AudioTrack.cpp revision 39399b6b08b4e9fd7eae50e58e93b07216ad697f
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn#include <inttypes.h> 22c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten#include <math.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn 259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 301ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 31e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent#include <media/AudioPolicyHelper.h> 32cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung#include <media/AudioResamplerPublic.h> 33fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 34b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 35b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 3653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hungstatic const int kMaxLoopCountNotifications = 32; 37511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 4033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 41a7f03353d5f172016f324e2a01f301cca6794152Andy Hung// TODO: Move to a separate .h 42a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 434ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hungtemplate <typename T> 44a7f03353d5f172016f324e2a01f301cca6794152Andy Hungstatic inline const T &min(const T &x, const T &y) { 454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung return x < y ? x : y; 464ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung} 474ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung 48a7f03353d5f172016f324e2a01f301cca6794152Andy Hungtemplate <typename T> 49a7f03353d5f172016f324e2a01f301cca6794152Andy Hungstatic inline const T &max(const T &x, const T &y) { 50a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return x > y ? x : y; 51a7f03353d5f172016f324e2a01f301cca6794152Andy Hung} 52a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 535d313803bdd61d59f28e518e7a793f33832f1901Andy Hungstatic const int32_t NANOS_PER_SECOND = 1000000000; 545d313803bdd61d59f28e518e7a793f33832f1901Andy Hung 55a7f03353d5f172016f324e2a01f301cca6794152Andy Hungstatic inline nsecs_t framesToNanoseconds(ssize_t frames, uint32_t sampleRate, float speed) 56a7f03353d5f172016f324e2a01f301cca6794152Andy Hung{ 57a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ((double)frames * 1000000000) / ((double)sampleRate * speed); 58a7f03353d5f172016f324e2a01f301cca6794152Andy Hung} 59a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t convertTimespecToUs(const struct timespec &tv) 617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000; 637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 655d313803bdd61d59f28e518e7a793f33832f1901Andy Hungstatic inline nsecs_t convertTimespecToNs(const struct timespec &tv) 665d313803bdd61d59f28e518e7a793f33832f1901Andy Hung{ 675d313803bdd61d59f28e518e7a793f33832f1901Andy Hung return tv.tv_sec * (long long)NANOS_PER_SECOND + tv.tv_nsec; 685d313803bdd61d59f28e518e7a793f33832f1901Andy Hung} 695d313803bdd61d59f28e518e7a793f33832f1901Andy Hung 707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung// current monotonic time in microseconds. 717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t getNowUs() 727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung struct timespec tv; 747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (void) clock_gettime(CLOCK_MONOTONIC, &tv); 757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return convertTimespecToUs(tv); 767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// FIXME: we don't use the pitch setting in the time stretcher (not working); 7926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// instead we emulate it using our sample rate converter. 8026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic const bool kFixPitch = true; // enable pitch fix 8126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline uint32_t adjustSampleRate(uint32_t sampleRate, float pitch) 8226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 8326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? (sampleRate * pitch + 0.5) : sampleRate; 8426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 8526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 8626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustSpeed(float speed, float pitch) 8726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 886c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return kFixPitch ? speed / max(pitch, AUDIO_TIMESTRETCH_PITCH_MIN_DELTA) : speed; 8926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 9026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 9126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustPitch(float pitch) 9226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 9326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? AUDIO_TIMESTRETCH_PITCH_NORMAL : pitch; 9426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 9526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 968edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// Must match similar computation in createTrack_l in Threads.cpp. 978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// TODO: Move to a common library 988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungstatic size_t calculateMinFrameCount( 998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatencyMs, uint32_t afFrameCount, uint32_t afSampleRate, 100ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten uint32_t sampleRate, float speed /*, uint32_t notificationsPerBufferReq*/) 1018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 1028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Ensure that buffer depth covers at least audio hardware latency 1038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t minBufCount = afLatencyMs / ((1000 * afFrameCount) / afSampleRate); 1048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (minBufCount < 2) { 1058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung minBufCount = 2; 1068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 107ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten#if 0 108ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // The notificationsPerBufferReq parameter is not yet used for non-fast tracks, 109ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // but keeping the code here to make it easier to add later. 110ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (minBufCount < notificationsPerBufferReq) { 111ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minBufCount = notificationsPerBufferReq; 112ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 113ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten#endif 1148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("calculateMinFrameCount afLatency %u afFrameCount %u afSampleRate %u " 115ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten "sampleRate %u speed %f minBufCount: %u" /*" notificationsPerBufferReq %u"*/, 116ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten afLatencyMs, afFrameCount, afSampleRate, sampleRate, speed, minBufCount 117ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten /*, notificationsPerBufferReq*/); 1188edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return minBufCount * sourceFramesNeededWithTimestretch( 1198edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung sampleRate, afFrameCount, afSampleRate, speed); 1208edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 1218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 12333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 124e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 125fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 12733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 128d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 129d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 130d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13104cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 1320e48d25606c82def035ad10a5b3923767a765cddAndy Hung // FIXME handle in server, like createTrack_l(), possible missing info: 133e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 134e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 135e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 1360e48d25606c82def035ad10a5b3923767a765cddAndy Hung // audio_output_flags_t flags (FAST) 1373b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 13866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 13966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 14066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 14170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 14270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 14366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 14433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 145e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 14666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 14766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 14870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 14970c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 15066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 15133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 15233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 15366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 15466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 15570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 15670c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 15766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 15833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 15933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // When called from createTrack, speed is 1.0f (normal speed). 1618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // This is rechecked again on setting playback rate (TODO: on setting sample rate, too). 162ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten *frameCount = calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, 1.0f 163ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten /*, 0 notificationsPerBufferReq*/); 16433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1650e48d25606c82def035ad10a5b3923767a765cddAndy Hung // The formula above should always produce a non-zero value under normal circumstances: 1660e48d25606c82def035ad10a5b3923767a765cddAndy Hung // AudioTrack.SAMPLE_RATE_HZ_MIN <= sampleRate <= AudioTrack.SAMPLE_RATE_HZ_MAX. 1670e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Return error in the unlikely event that it does not, as that's part of the API contract. 16866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 1690e48d25606c82def035ad10a5b3923767a765cddAndy Hung ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %u", 17066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 17166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 17266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 1738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, afSampleRate=%u, afLatency=%u", 1748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount, afFrameCount, afSampleRate, afLatency); 17533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 17633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 181879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1829b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 1834ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1847064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 185aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 18620b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE), 18720b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mPortId(AUDIO_PORT_HANDLE_NONE) 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 189faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 190faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 191faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 192faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 196fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 198e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 19928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 200bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2010ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 204ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten int32_t notificationFrames, 205d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 206ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 207462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 2081f12a8ad958344c50733b948628ffa06db9c5bc6Andy Hung uid_t uid, 209d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 210faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 211ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 212ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 213879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2149b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 2154ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2167064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 217aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 21820b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE), 21920b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mPortId(AUDIO_PORT_HANDLE_NONE) 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2210d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 222a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 223462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 224ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung offloadInfo, uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed); 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 227c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 228fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 230e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 23128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 2330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 236ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten int32_t notificationFrames, 237d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 238ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 239462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 2401f12a8ad958344c50733b948628ffa06db9c5bc6Andy Hung uid_t uid, 241d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 242faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 243ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 244ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 245879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2469b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 2474ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2487064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 249aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 25020b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE), 25120b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mPortId(AUDIO_PORT_HANDLE_NONE) 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2530d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 25417a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 255d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 256ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed); 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 267b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 272296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent // No lock here: worst case we remove a NULL callback which will be a nop 273296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 274296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 275296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 276f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 27753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2783bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2793bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2814c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2824c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 283d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 288fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 290e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 29128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 292bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2930ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 296ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten int32_t notificationFrames, 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 298be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 299d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 300ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 301462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 3021f12a8ad958344c50733b948628ffa06db9c5bc6Andy Hung uid_t uid, 303faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 304faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 305ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 306ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 308bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 309ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten "flags #%x, notificationFrames %d, sessionId %d, transferType %d, uid %d, pid %d", 310bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 3114c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 31286f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 31333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mThreadCanCallJava = threadCanCallJava; 31433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 3239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 3269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 3279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 3289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 3359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 3399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 3409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 3419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 348dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 350faeb0f291330134dc4468359a36e099aae508449Ronghua Wu mDoNotReconnect = doNotReconnect; 3519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 35297c9f4fd7bc31e2968d816402659ba1c64f10b42Eric Laurent ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %zu", sharedBuffer->pointer(), 35385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3561a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 35753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3581dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 35929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 364e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 365fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 367faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 368223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 369faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 370faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 371faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 372faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 373e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 374faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 375faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 376faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 377faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 378faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 379e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 380c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 381c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 382c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 38333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if ((mAttributes.flags & AUDIO_FLAG_LOW_LATENCY) != 0) { 38433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk flags = (audio_output_flags_t) (flags | AUDIO_OUTPUT_FLAG_FAST); 38533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 386fff204c192f7e16c635a79f6a85786afb8522a3dAndy Hung // check deep buffer after flags have been modified above 387fff204c192f7e16c635a79f6a85786afb8522a3dAndy Hung if (flags == AUDIO_OUTPUT_FLAG_NONE && (mAttributes.flags & AUDIO_FLAG_DEEP_BUFFER) != 0) { 388fff204c192f7e16c635a79f6a85786afb8522a3dAndy Hung flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 389fff204c192f7e16c635a79f6a85786afb8522a3dAndy Hung } 390dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 391ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 393e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 394fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 395fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk } else if (format == AUDIO_FORMAT_IEC61937) { // HDMI pass-through? 396fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk mAttributes.flags |= AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO; 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 400fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 401cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 404dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4068ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 4078ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 4088ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 4098ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 410e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 411e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 412e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 4138ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 415b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 416b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 417b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 418b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 419b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 420b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 4210ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 4223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 4230ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 426d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 427d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 428d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 429d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 430d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 431b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 432fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(format)) { 433b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 434b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 435b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 436b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 437e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 438fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk ALOG_ASSERT(audio_has_proportional_frames(format)); 439b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 440b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 441b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 442e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 443e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 4440d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 4450d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 4460d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 4470d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 4480d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 4493a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = sampleRate; 4505a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 451ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung // 1.0 <= mMaxRequiredSpeed <= AUDIO_TIMESTRETCH_SPEED_MAX 452ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung mMaxRequiredSpeed = min(max(maxRequiredSpeed, 1.0f), AUDIO_TIMESTRETCH_SPEED_MAX); 4530d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 454b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 455b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 456b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 457b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 458b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 459b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 460b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 461b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 46220b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent memset(&mOffloadInfoCopy, 0, sizeof(audio_offload_info_t)); 463b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 464b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 46566e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 46666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 46705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 468396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 469b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 470ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (notificationFrames >= 0) { 471ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationFramesReq = notificationFrames; 472ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationsPerBufferReq = 0; 473ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 474ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 475ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("notificationFrames=%d not permitted for non-fast track", 476ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten notificationFrames); 477ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten return BAD_VALUE; 478ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 479ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (frameCount > 0) { 480ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("notificationFrames=%d not permitted with non-zero frameCount=%zu", 481ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten notificationFrames, frameCount); 482ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten return BAD_VALUE; 483ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 484ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationFramesReq = 0; 485ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten const uint32_t minNotificationsPerBuffer = 1; 486ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten const uint32_t maxNotificationsPerBuffer = 8; 487ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationsPerBufferReq = min(maxNotificationsPerBuffer, 488ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten max((uint32_t) -notificationFrames, minNotificationsPerBuffer)); 489ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGW_IF(mNotificationsPerBufferReq != (uint32_t) -notificationFrames, 490ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten "notificationFrames=%d clamped to the range -%u to -%u", 491ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten notificationFrames, minNotificationsPerBuffer, maxNotificationsPerBuffer); 492ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 494caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 495d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId = (audio_session_t) AudioSystem::newAudioUniqueId(AUDIO_UNIQUE_ID_USE_SESSION); 496caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 497caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 498caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 499d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 500d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 5011f12a8ad958344c50733b948628ffa06db9c5bc6Andy Hung if (uid == AUDIO_UID_INVALID || (callingpid != mypid)) { 502462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 503462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 504462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 505462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 506d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 507d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 508d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 509d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 510d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 5112beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 512ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mOrigFlags = mFlags = flags; 5134a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 515a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 516896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 517a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 518bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 519a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 520a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 52134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 5220d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 523a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 52434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 525a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 528a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 529a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 5354ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 5364ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 5374ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 53853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 5402c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 543200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 544200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 5457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 546d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 5479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 5489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 5501b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 551c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 552c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 553b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung mPreviousLocation = ExtendedTimestamp::LOCATION_INVALID; 55465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung mStartTs.mPosition = 0; 5552812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = 0; 556ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten = 0; 557ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWrittenServerOffset = 0; 558f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung mFramesWrittenAtRestore = -1; // -1 is a unique initializer. 5594ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung mVolumeHandler = new VolumeHandler(); 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 565b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 567f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 568b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 570b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 5742b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 576b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 577b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 578b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 579b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 580b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 581200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 58265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung 58365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // save start timestamp 58465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (isOffloadedOrDirect_l()) { 58565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (getTimestamp_l(mStartTs) != OK) { 58665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung mStartTs.mPosition = 0; 58765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 58865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } else { 58965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (getTimestamp_l(&mStartEts) != OK) { 59065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung mStartEts.clear(); 59165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 59265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 595200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5961b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 597c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 598c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 599b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung mPreviousLocation = ExtendedTimestamp::LOCATION_INVALID; 6001b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 60165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (!isOffloadedOrDirect_l() 60265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung && mStartEts.mTimeNs[ExtendedTimestamp::LOCATION_SERVER] > 0) { 603e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // Server side has consumed something, but is it finished consuming? 604e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // It is possible since flush and stop are asynchronous that the server 605e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // is still active at this point. 606e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ALOGV("start: server read:%lld cumulative flushed:%lld client written:%lld", 607e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)(mFramesWrittenServerOffset 60865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung + mStartEts.mPosition[ExtendedTimestamp::LOCATION_SERVER]), 60965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (long long)mStartEts.mFlushed, 610e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)mFramesWritten); 61165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung mFramesWrittenServerOffset = -mStartEts.mPosition[ExtendedTimestamp::LOCATION_SERVER]; 61261be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung } 613e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mFramesWritten = 0; 614e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mProxy->clearTimestamp(); // need new server push for valid timestamp 615e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mMarkerReached = false; 61661be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 6177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 6187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 6197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 6207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 6217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 6227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 623ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 624ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 625ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 627200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 6284be3b831904640ca853845b3ea31f985774047deAndy Hung int32_t flags = android_atomic_and(~(CBLK_STREAM_END_DONE | CBLK_DISABLED), &mCblk->mFlags); 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 64179629f0716f04e79064256362be56730077b8c50Andy Hung // resume or pause the callback thread as needed. 64279629f0716f04e79064256362be56730077b8c50Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 64379629f0716f04e79064256362be56730077b8c50Andy Hung if (status == NO_ERROR) { 64479629f0716f04e79064256362be56730077b8c50Andy Hung if (t != 0) { 64579629f0716f04e79064256362be56730077b8c50Andy Hung if (previousState == STATE_STOPPING) { 64679629f0716f04e79064256362be56730077b8c50Andy Hung mProxy->interrupt(); 64779629f0716f04e79064256362be56730077b8c50Andy Hung } else { 64879629f0716f04e79064256362be56730077b8c50Andy Hung t->resume(); 64979629f0716f04e79064256362be56730077b8c50Andy Hung } 65079629f0716f04e79064256362be56730077b8c50Andy Hung } else { 65179629f0716f04e79064256362be56730077b8c50Andy Hung mPreviousPriority = getpriority(PRIO_PROCESS, 0); 65279629f0716f04e79064256362be56730077b8c50Andy Hung get_sched_policy(0, &mPreviousSchedulingGroup); 65379629f0716f04e79064256362be56730077b8c50Andy Hung androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 65479629f0716f04e79064256362be56730077b8c50Andy Hung } 65539399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung 65639399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung // Start our local VolumeHandler for restoration purposes. 65739399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung mVolumeHandler->setStarted(); 65879629f0716f04e79064256362be56730077b8c50Andy Hung } else { 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 6609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 662b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 663b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 664b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 666879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 667a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 671b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 677397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 68123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 682b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 6852148bf0e79c436b8764b9edc4c8f2730cce98a32Andy Hung ALOGD_IF(mSharedBuffer == nullptr, 6862148bf0e79c436b8764b9edc4c8f2730cce98a32Andy Hung "stop() called with %u frames delivered", mReleased.value()); 687c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 688b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 689b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 69261be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 69361be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 69461be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6959b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6979b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6989b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6999b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 70423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 705b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 706b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 7089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 7099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7159a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 7274bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 7291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 7321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 734c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7352c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 7362c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 7372c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 7382c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 739b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 740c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 742c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 74323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 744b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 745b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 7474bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 752f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 753b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 754b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 755b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 756b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 757b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 7627064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 7633a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 764142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 7667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 7677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 7687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 7697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 7707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 7727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 7737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 7757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7767064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 7777064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 7787064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 7797064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7807064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 783be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 785c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 786c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 787c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 788be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 789be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 790be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 79266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 79366e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 795c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 796be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 79723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 79859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 79959fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 800be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 80189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 803b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 805b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 806be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 807be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 8082beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 809be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 810c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 811c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 812be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 813be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 814be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 816be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 817e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 818be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 819be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 820be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 821be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 822a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 823be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 824be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 826be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 82789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8293b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8315cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 8325cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 8335cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 8345cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 835d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 8364ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 8374ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 8380d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 8390d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 8400d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 8415cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 8425cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 8439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 8440d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 845573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8485a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 84926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 850d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 851d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 85389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 854e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 85526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 856e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 857573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 860a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8636f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 8646f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 8656f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 8666f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 867ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 868142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 8696f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 870b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 8716f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 8726f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 8736f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8746f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8756f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 876e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8793a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 8803a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 8813a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 8823a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8833a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8845a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8875a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 890d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l()) { 8918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8938edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8948edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8958edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 896ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 897ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (input): mSampleRate:%u mSpeed:%f mPitch:%f", 898ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung mSampleRate, playbackRate.mSpeed, playbackRate.mPitch); 89926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 9005a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 9015a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 9025a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 9036c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 9046c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 9056c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 9066c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 907ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (effective): mSampleRate:%u mSpeed:%f mPitch:%f", 908ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung effectiveRate, effectiveSpeed, effectivePitch); 909ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 9106c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 911ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate(%f, %f) failed (effective rate out of bounds)", 912ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 91326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 91426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 9158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 91626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 917ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate(%f, %f) failed (buffer size)", 918ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 9198edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 9208edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 9215a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 9226c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 923d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * 924d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 9256c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 9266c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 9276c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 9286c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 9296c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 930e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 9316c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 9326c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 9336c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 9346c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 9356c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 9366c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 9375a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 93826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 9398edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 9408edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 9418edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 9425a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 9438edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 9448edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 9455a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 9468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 9478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 948c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::getBufferSizeInFrames() 949c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 950c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 951c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 952c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 953c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 954e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->getBufferSizeInFrames(); 955c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 956c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 957f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hungstatus_t AudioTrack::getBufferDurationInUs(int64_t *duration) 958f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung{ 959f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (duration == nullptr) { 960f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return BAD_VALUE; 961f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 962f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung AutoMutex lock(mLock); 963f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 964f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return NO_INIT; 965f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 966f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung ssize_t bufferSizeInFrames = (ssize_t) mProxy->getBufferSizeInFrames(); 967f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (bufferSizeInFrames < 0) { 968f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return (status_t)bufferSizeInFrames; 969f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 970f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung *duration = (int64_t)((double)bufferSizeInFrames * 1000000 971f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung / ((double)mSampleRate * mPlaybackRate.mSpeed)); 972f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return NO_ERROR; 973f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung} 974f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung 975c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::setBufferSizeInFrames(size_t bufferSizeInFrames) 976c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 977c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 978c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 979c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 980c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 981c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // Reject if timed track or compressed audio. 982d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (!audio_is_linear_pcm(mFormat)) { 983c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return INVALID_OPERATION; 984c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 985e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->setBufferSizeInFrames((uint32_t) bufferSizeInFrames); 986c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 987c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 990d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 991083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 992083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 993083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1007c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 10139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10144ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 10154ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 10164ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 10174ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 10184ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 101953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 10213c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 10223c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1027fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 1028ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 1029d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1030d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 10342c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10363c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 10373c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 10383c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 10393c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1043a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1045ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1046b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 1047b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1048d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 1049d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1050d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 105390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1060fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 1061ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 1062d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1063d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 1066200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 10682b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 10693c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 10703c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 10713c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 10723c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1076a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1078ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1079b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 1080b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1081d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 1082d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1083d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1093d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1094d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1095d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 10979c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10989c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10999c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 11009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 11049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1109d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11109b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 1111200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 11129b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 11133c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 11143c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1118200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1120d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 1121d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1122d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11257a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // FIXME: offloaded and direct tracks call into the HAL for render positions 11267a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // for compressed/synced data; however, we use proxy position for pure linear pcm data 11277a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // as we do not know the capability of the HAL for pcm position support and standby. 11287a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // There may be some latency differences between the HAL position and the proxy position. 11297a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung if (isOffloadedOrDirect_l() && !isPurePcmData_l()) { 1130b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1132ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 11337064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 11347064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 11357064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 11367064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 11377064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1138142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 11391f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 11401f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 11411f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1142b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 11437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 11447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1145b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1146b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1147275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 11481f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 11491f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 11501f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1151275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1152275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1153b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1154200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 115590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1156b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 115789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1160377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 11619c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 1162d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0) { 11639c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 11649c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 11659c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 11669c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 11679c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 11689c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 11719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 11729c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 11739c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 117589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1176d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1177083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1178083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1179083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 11801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1183d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1184d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 11869b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 11879b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 11881b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 118953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 11909b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 119153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 119253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 119353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 119453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 119553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 119653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 119753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 11989b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120238e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1203c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 12041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1205b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 12061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 12071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1208aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1209aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1210aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1211aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1212493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1213aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1214493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1215aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1216aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1217aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1218aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1219aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1220aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1221aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1222296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1223296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1224296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1225296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1226296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1227296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1228296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1229296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1230be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1231be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 12329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 12332beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 12342beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 12352beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 12362beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 12372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1238be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1239be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1240e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1241e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1242e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1243e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1244e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1245e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1246e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1247e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1251200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 125234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 125334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 125434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1255e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1256e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 125734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 125834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1259296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1260296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1261296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1262e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1263e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1264e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1265e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1266ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // mFlags (not mOrigFlags) is modified depending on whether fast request is accepted. 1267ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // After fast request is denied, we will request again if IAudioTrack is re-created. 1268ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 1269aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 127020b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent audio_config_t config = AUDIO_CONFIG_INITIALIZER; 127120b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.sample_rate = mSampleRate; 127220b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.channel_mask = mChannelMask; 127320b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.format = mFormat; 127420b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.offload_info = mOffloadInfoCopy; 1275aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1276d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId, &streamType, mClientUid, 127720b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent &config, 127820b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mFlags, mSelectedDeviceId, &mPortId); 1279e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1280e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 1281d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u," 1282d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten " format %#x, channel mask %#x, flags %#x", 1283d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, 1284d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten mFlags); 128538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 128638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 128738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 128838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 128938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 129038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1291ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 12929f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1293ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 129538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1296d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 12979f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1298d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 12999f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1300ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1301b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 130238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1303ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1304ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1305ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // TODO consider making this a member variable if there are other uses for it later 1306ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t afFrameCountHAL; 1307ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten status = AudioSystem::getFrameCountHAL(output, &afFrameCountHAL); 1308ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (status != NO_ERROR) { 1309ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("getFrameCountHAL(output=%d) status %d", output, status); 1310ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten goto release; 1311ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1312ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOG_ASSERT(afFrameCountHAL > 0); 1313ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten 13149f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1315ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1316b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 131738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1318ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 13190d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 13209f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 13219f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 13220d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 13237fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 1324d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 132533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 132633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool useCaseAllowed = 13274a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 13284a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1329363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1330c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 13311dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 13321dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 133333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk (mTransfer == TRANSFER_OBTAIN) || 133433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // use case 4: synchronous write 133533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ((mTransfer == TRANSFER_SYNC) && mThreadCanCallJava); 133633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // sample rates must also match 133733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool fastAllowed = useCaseAllowed && (mSampleRate == mAfSampleRate); 133833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!fastAllowed) { 13397fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, " 134033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk "track %u Hz, output %u Hz", 13419f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 134233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 134333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 13444a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 13454a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1346d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1347e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1348363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1349fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (!audio_has_proportional_frames(mFormat)) { 1350e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1351363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1352e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1353363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1354e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 13559f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1356d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1357b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1358b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1359b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1360363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1361abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1362abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1363abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1364abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1365b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1366abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1367b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1368b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1369a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1370e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1371e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1372e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13731d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1374a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1375363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 137638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 137738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1378e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1379e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1380e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1381e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1382e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1383e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1384abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1385e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 1386ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t minFrameCount = 0; 1387ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // For fast tracks the frame count calculations and checks are mostly done by server, 1388ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // but we try to respect the application's request for notifications per buffer. 1389ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1390ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationsPerBufferReq > 0) { 1391ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // Avoid possible arithmetic overflow during multiplication. 1392ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // mNotificationsPerBuffer is clamped to a small integer earlier, so it is unlikely. 1393ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationsPerBufferReq > SIZE_MAX / afFrameCountHAL) { 1394ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("Requested notificationPerBuffer=%u ignored for HAL frameCount=%zu", 1395ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationsPerBufferReq, afFrameCountHAL); 1396ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1397ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minFrameCount = afFrameCountHAL * mNotificationsPerBufferReq; 1398ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1399ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1400ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 14018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 1402ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung const float speed = !isPurePcmData_l() || isOffloadedOrDirect_l() ? 1.0f : 1403ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung max(mMaxRequiredSpeed, mPlaybackRate.mSpeed); 1404ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minFrameCount = calculateMinFrameCount( 14059f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 1406ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten speed /*, 0 mNotificationsPerBufferReq*/); 1407ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1408ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (frameCount < minFrameCount) { 1409ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten frameCount = minFrameCount; 14108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1411d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1412d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1413050677873c10d4da308ac222f8533c96cca3207eEric Laurent audio_output_flags_t flags = mFlags; 14143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1416363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 141733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mAudioTrackThread != 0 && !mThreadCanCallJava) { 14183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 14193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14204a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 14214a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 142274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 142374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1424d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t originalSessionId = mSessionId; 1425e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1426363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1427abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1428a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 142974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1430050677873c10d4da308ac222f8533c96cca3207eEric Laurent &flags, 1431363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 143234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 14339ea77cdba8c422940adb57a790b44ac04fe0353fHaynes Mathew George mClientPid, 14343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1435be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1436462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 143720b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent &status, 143820b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mPortId); 1439138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1440138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 144134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1442c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 144329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 144438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 144534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1446c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1447c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 144838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 144938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 145038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 14517fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // FIXME compare to AudioRecord 1452d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1453d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 145429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 145534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 145634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 14570cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 14580cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 14590cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 14600cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 14610cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 146253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1464f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 146734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1468d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 14693bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 14703bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 14710cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1472d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 147374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1474b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1475b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1476b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1477b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 147834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1479b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1480b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 14815f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1482a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1483363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1484050677873c10d4da308ac222f8533c96cca3207eEric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 14856d8018f0b7be9deec6b0acab10a0dca6e91d0fb8Glenn Kasten ALOGI("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu -> %zu", frameCount, temp); 148633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!mThreadCanCallJava) { 148733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mAwaitBoost = true; 148833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 14893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 14906d8018f0b7be9deec6b0acab10a0dca6e91d0fb8Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu -> %zu", frameCount, 14916d8018f0b7be9deec6b0acab10a0dca6e91d0fb8Glenn Kasten temp); 1492e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 14933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1494050677873c10d4da308ac222f8533c96cca3207eEric Laurent mFlags = flags; 14957fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 14967fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // Make sure that application is notified with sufficient margin before underrun. 1497ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // The client can divide the AudioTrack buffer into sub-buffers, 1498ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // and expresses its desire to server as the notification frame count. 14990e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 1500ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t maxNotificationFrames; 1501050677873c10d4da308ac222f8533c96cca3207eEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1502ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // notify every HAL buffer, regardless of the size of the track buffer 1503ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames = afFrameCountHAL; 1504ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1505aebe9dc29988c94a774208ba659c4f156d274d79Glenn Kasten // For normal tracks, use at least double-buffering if no sample rate conversion, 1506aebe9dc29988c94a774208ba659c4f156d274d79Glenn Kasten // or at least triple-buffering if there is sample rate conversion 1507aebe9dc29988c94a774208ba659c4f156d274d79Glenn Kasten const int nBuffering = mOriginalSampleRate == mAfSampleRate ? 2 : 3; 1508ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames = frameCount / nBuffering; 15097fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten } 15107fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > maxNotificationFrames) { 1511ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationFramesAct == 0) { 1512ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGD("Client defaulted notificationFrames to %zu for frameCount %zu", 1513ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames, frameCount); 1514ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1515ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGW("Client adjusted notificationFrames from %u to %zu for frameCount %zu", 15167fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct, maxNotificationFrames, frameCount); 1517ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 15187fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct = (uint32_t) maxNotificationFrames; 15190e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 15200e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 152238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 152338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1531363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1532138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 153334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1534363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1535138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1536138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1537138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1538138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 153934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 154034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 15412beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 15428edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1543e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 15449f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 15455f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1546b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1547093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1548093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1549b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1550b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1551093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1552e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1553d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1554d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1555d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1556e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1557363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1559abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1561abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1564e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1565e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1566e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1567e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1568e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1569e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 15705a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 15715a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 15725a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 157326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 15745a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 15755a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 15765a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 15775a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 15785a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1582f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1583e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1584296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1585296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1586296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1587296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 158834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 158938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 159038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 159138e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1592d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten AudioSystem::releaseOutput(output, streamType, mSessionId); 159338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 159438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 159538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 159638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 159734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 159834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1599b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1602551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1603551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1604551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1611551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1612551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1613551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1618df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1632b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1641e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 165389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 16561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1664b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1665b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 166889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1672c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16734d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if (status == NOT_ENOUGH_DATA) { 16744d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 16754d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } 16764d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1681b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1682b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1686b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1687b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1688b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 169289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 169389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1695c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 16994d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } while (((status == DEAD_OBJECT) || (status == NOT_ENOUGH_DATA)) && (tryCounter-- > 0)); 170089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1702abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 170689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 170889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 170989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 171054a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 171189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 17123f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1717abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1725e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 17261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1727200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 17324d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 17334d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent} 17344d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 17354d231dc0ee34380956c71cbe18a750e487a69601Eric Laurentvoid AudioTrack::restartIfDisabled() 17364d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent{ 17374d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 17384d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if ((mState == STATE_ACTIVE) && (flags & CBLK_DISABLED)) { 17394d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 17404d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent // FIXME ignoring status 17414d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent mAudioTrack->start(); 1742df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 174389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 174489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 174589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 174689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1747720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 174889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1749d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mTransfer != TRANSFER_SYNC) { 1750d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1751d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 175289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1753ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1754ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1755ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1756ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1757ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1758ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1759ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1760ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1761ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1762ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 176499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 176599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1766377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 176789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 176989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 177189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 177289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1775c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1776720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1777720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 177889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 178089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1781d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 17820a2f151f37c715078351ae0be99b0c4dbabc2a23Glenn Kasten if (err == TIMED_OUT || err == -EINTR) { 17830a2f151f37c715078351ae0be99b0c4dbabc2a23Glenn Kasten err = WOULD_BLOCK; 17840a2f151f37c715078351ae0be99b0c4dbabc2a23Glenn Kasten } 178589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 178689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 178789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1788ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1789abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 179189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 179289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 179389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1797ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (written > 0) { 1798ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += written / mFrameSize; 1799ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 180089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 180189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 180289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 180489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18057c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 180689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1807fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1808fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1809fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1810fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1811fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 18121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1813a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1814a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1815a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1816a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1817a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1818a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1819a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 18208255ba7b40774b2b8868482f1a302db3ae98e905Glenn Kasten int policy = sched_getscheduler(0) & ~SCHED_RESET_ON_FORK; 1821a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1822a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1823a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1824a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1825a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1826a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1827a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1828a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1829a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1830b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1831b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1832a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 18331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 18349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 183696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1837a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1840b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1841b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1842b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1843ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1844f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1845f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 184653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 184753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1848b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 184989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1850c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1851b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 185389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 187289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 187389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 187590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 187789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 187990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 188090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 188190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 188790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 188890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 18909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 189190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 18939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 18975a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1898a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1905b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 190696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 190853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 190953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 191053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 191153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 191253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 191353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 191453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 191553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 191653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 191753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 191853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 191953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 192053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 192153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 192253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 192353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 192453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 192553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 192653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 192753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 192853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 192953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1931abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1936a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1937a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1938a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1939b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1940a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1941a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1942a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1943a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1944b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1945b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1946b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1947b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 194896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1949b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1950b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1951b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1952b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 195339609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 195439609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 195539609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 195639609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 195739609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 195896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 195996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 196096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 196196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 196296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 196396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 196496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 196596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1966c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1967b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1968b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 196996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 197096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 197196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 197296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1973b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 197496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1975b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1976b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 19789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 19799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 19809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 198153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 19829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 198353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 19849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 19869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 19879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 19899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 19909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 199290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 19939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 19949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 19959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 19969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1997b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 19989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 19999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 20009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 2001b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 2002ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 2003b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 2004b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 200589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 200689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 20089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 20099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 201089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 201189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 20139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 20149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 20159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 201690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 20179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 20192d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 20209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 20219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20222d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 202390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 202489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 202589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 20279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 20289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 20299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 20302267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 20312267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 2032a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 2033a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 2034a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 2035a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 20369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 20379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 20389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 2039a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 2040a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 2041a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 2042a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 20439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 20469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 20479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 20489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 204989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2050a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 2051a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 2052a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 2053a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 2054a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 2055a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 2056a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 20579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 20589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 20599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 20639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 20649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2066ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung size_t writtenFrames = 0; 20679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 2068c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 20699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 20709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 20739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 207434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 20759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 20769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 207734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 2078b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 20799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 2080b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 2081b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 2082606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 2083606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 208489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 20869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 208789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2089fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (mRetryOnPartialBuffer && audio_has_proportional_frames(mFormat)) { 20909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 20919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 2092a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 2093a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2094a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2095a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2096a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2097a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 20989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 20999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 21019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2102d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 210389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 210489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 210589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 21069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 210789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 210889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 21099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 211034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 211134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 21129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 21139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 21168555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 21178555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 21188555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 21198555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 2120a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2121a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 2122a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 2123a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 2124a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 2125a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2126a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 2127a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 2128a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 2129a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2130a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 2131a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 2132a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 2133a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2134a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 2135fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(mFormat)) { 2136a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 2137a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2138a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2139a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2140ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // FIXME: use mAfFrameCountHAL instead of mAfFrameCount below for fast tracks. 2141a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2142a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2143a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2144a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2145a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2146a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2147a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2148a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2149a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2150a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2151a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2152a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2153a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2154a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2155a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2156a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2157d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 215889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2159138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 21609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 21619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 21629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 21639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 21649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 21659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 21669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 216789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 216889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 2169ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung writtenFrames += releasedFrames; 217089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 21729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 21739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 21749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 21759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 21789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 21799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 21809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 21839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 21849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 21859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 21869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 21879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 21888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 21899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 21919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 219289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2193ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (writtenFrames > 0) { 2194ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2195ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += writtenFrames; 2196ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 21979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 21989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 21999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 22019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 220289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 220389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 22051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2206b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2207ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 22089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 22091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2210a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2211d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2212a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2213a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2214faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 22151f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 22161f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2217b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2218b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2219b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 22202812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 22212812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 22222812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2223200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 2224f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung uint32_t staticPosition = 0; 22254ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 22264ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 22274ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 22284ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 2229f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung staticPosition = mStaticProxy->getPosition().unsignedValue(); 22304ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2231200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2232ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mFlags = mOrigFlags; 2233ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 2234200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2235a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2236200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2237200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2238ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2239cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2240a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2241d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2242d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2243d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2244d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2245d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2246d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 22474ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 22484ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 22494ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 22504ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 22514ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 22524ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 22534ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 225453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 225553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 225653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 22571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22594ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // restore volume handler 226039399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung mVolumeHandler->forall([this](const VolumeShaper &shaper) -> VolumeShaper::Status { 226139399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung sp<VolumeShaper::Operation> operationToEnd = 226239399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung new VolumeShaper::Operation(shaper.mOperation); 22634ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // TODO: Ideally we would restore to the exact xOffset position 22644ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // as returned by getVolumeShaperState(), but we don't have that 22654ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // information when restoring at the client unless we periodically poll 22664ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // the server or create shared memory state. 22674ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // 226839399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung // For now, we simply advance to the end of the VolumeShaper effect 226939399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung // if it has been started. 227039399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung if (shaper.isStarted()) { 227139399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung operationToEnd->setXOffset(1.f); 227239399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung } 227339399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung return mAudioTrack->applyVolumeShaper(shaper.mConfiguration, operationToEnd); 22744ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung }); 22754ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung 22769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2277a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 22781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 2279f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // server resets to zero so we offset 2280f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung mFramesWrittenServerOffset = 2281f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung mStaticProxy.get() != nullptr ? staticPosition : mFramesWritten; 2282f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung mFramesWrittenAtRestore = mFramesWrittenServerOffset; 22831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 22859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 22869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2287c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 22881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 22901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 22911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 22921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 229390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2294200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2295200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 229690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 229790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2298200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2299200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2300200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2301200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2302200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2303200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2304200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2305200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 230690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 230790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 230890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2309039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 231090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 231190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 231290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 231390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2314200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2315200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 23168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 23178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 23188edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 23198edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 23208edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 23218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 23228edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 2323ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed 2324ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten /*, 0 mNotificationsPerBufferReq*/); 23258edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 23268edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 23278edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 23288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 23298edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2330ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2331ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2332ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 233353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2334ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2335ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 23369fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy HungVolumeShaper::Status AudioTrack::applyVolumeShaper( 23379fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung const sp<VolumeShaper::Configuration>& configuration, 23389fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung const sp<VolumeShaper::Operation>& operation) 23399fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung{ 23409fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung AutoMutex lock(mLock); 23414ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung mVolumeHandler->setIdIfNecessary(configuration); 23429fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung VolumeShaper::Status status = mAudioTrack->applyVolumeShaper(configuration, operation); 234339399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung 234439399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung if (status == DEAD_OBJECT) { 234539399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung if (restoreTrack_l("applyVolumeShaper") == OK) { 234639399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung status = mAudioTrack->applyVolumeShaper(configuration, operation); 234739399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung } 234839399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung } 23494ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung if (status >= 0) { 23504ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // save VolumeShaper for restore 23514ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung mVolumeHandler->applyVolumeShaper(configuration, operation); 235239399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung if (mState == STATE_ACTIVE || mState == STATE_STOPPING) { 235339399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung mVolumeHandler->setStarted(); 235439399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung } 235539399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung } else { 235639399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung // warn only if not an expected restore failure. 235739399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung ALOGW_IF(!((isOffloadedOrDirect_l() || mDoNotReconnect) && status == DEAD_OBJECT), 235839399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung "applyVolumeShaper failed: %d", status); 23594ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung } 23609fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung return status; 23619fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung} 23629fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung 23639fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hungsp<VolumeShaper::State> AudioTrack::getVolumeShaperState(int id) 23649fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung{ 23659fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung AutoMutex lock(mLock); 236639399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung sp<VolumeShaper::State> state = mAudioTrack->getVolumeShaperState(id); 236739399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung if (state.get() == nullptr && (mCblk->mFlags & CBLK_INVALID) != 0) { 236839399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung if (restoreTrack_l("getVolumeShaperState") == OK) { 236939399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung state = mAudioTrack->getVolumeShaperState(id); 237039399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung } 237139399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung } 237239399b6b08b4e9fd7eae50e58e93b07216ad697fAndy Hung return state; 23739fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung} 23749fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung 2375ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hungstatus_t AudioTrack::getTimestamp(ExtendedTimestamp *timestamp) 2376ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung{ 2377ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (timestamp == nullptr) { 2378ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return BAD_VALUE; 2379ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2380ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2381e13f8a603867280de9b02ce4839202a182556416Andy Hung return getTimestamp_l(timestamp); 2382e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2383e13f8a603867280de9b02ce4839202a182556416Andy Hung 2384e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::getTimestamp_l(ExtendedTimestamp *timestamp) 2385e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2386ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (mCblk->mFlags & CBLK_INVALID) { 2387ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung const status_t status = restoreTrack_l("getTimestampExtended"); 2388ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (status != OK) { 2389ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 2390ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // recommending that the track be recreated. 2391ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return DEAD_OBJECT; 2392ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2393ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2394ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // check for offloaded/direct here in case restoring somehow changed those flags. 2395ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (isOffloadedOrDirect_l()) { 2396ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return INVALID_OPERATION; // not supported 2397ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2398ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung status_t status = mProxy->getTimestamp(timestamp); 2399e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung LOG_ALWAYS_FATAL_IF(status != OK, "status %d not allowed from proxy getTimestamp", status); 2400ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung bool found = false; 2401e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[ExtendedTimestamp::LOCATION_CLIENT] = mFramesWritten; 2402e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mTimeNs[ExtendedTimestamp::LOCATION_CLIENT] = 0; 2403e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // server side frame offset in case AudioTrack has been restored. 2404e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung for (int i = ExtendedTimestamp::LOCATION_SERVER; 2405e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung i < ExtendedTimestamp::LOCATION_MAX; ++i) { 2406e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (timestamp->mTimeNs[i] >= 0) { 2407e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // apply server offset (frames flushed is ignored 2408e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // so we don't report the jump when the flush occurs). 2409e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[i] += mFramesWrittenServerOffset; 2410e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung found = true; 2411ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2412ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2413ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return found ? OK : WOULD_BLOCK; 2414ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung} 2415ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung 2416ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2417ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 241853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 241965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return getTimestamp_l(timestamp); 242065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung} 24211b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 242265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hungstatus_t AudioTrack::getTimestamp_l(AudioTimestamp& timestamp) 242365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung{ 24241b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 24251b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 24261b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 24271b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 24287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 24297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 24307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 24317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 24327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 24337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 24347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 24357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 24367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 24377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 24387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 24397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 24407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 24417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 24427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 24437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2444fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 24457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2446275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 24476653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 24486653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 24496653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 24506653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 24516653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 24526653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2453275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2454275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2455200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2456200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 24576ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung 24586ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status_t status; 2459818e7a32ce3633980138aff2c2bfcc5158b3cfccAndy Hung if (isOffloadedOrDirect_l()) { 24606ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // use Binder to get timestamp 24616ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mAudioTrack->getTimestamp(timestamp); 24626ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } else { 24636ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // read timestamp from shared memory 24646ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung ExtendedTimestamp ets; 24656ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mProxy->getTimestamp(&ets); 24666ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == OK) { 2467b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung ExtendedTimestamp::Location location; 2468b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung status = ets.getBestTimestamp(×tamp, &location); 2469b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung 2470b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung if (status == OK) { 2471b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung // It is possible that the best location has moved from the kernel to the server. 2472b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung // In this case we adjust the position from the previous computed latency. 2473b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung if (location == ExtendedTimestamp::LOCATION_SERVER) { 2474b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung ALOGW_IF(mPreviousLocation == ExtendedTimestamp::LOCATION_KERNEL, 2475b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung "getTimestamp() location moved from kernel to server"); 247607eee80b3422c0304491f24bbc415deb0badbefcAndy Hung // check that the last kernel OK time info exists and the positions 247707eee80b3422c0304491f24bbc415deb0badbefcAndy Hung // are valid (if they predate the current track, the positions may 247807eee80b3422c0304491f24bbc415deb0badbefcAndy Hung // be zero or negative). 2479b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung const int64_t frames = 24806d7b119a416c9f10288051e562f294365e5d954cAndy Hung (ets.mTimeNs[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] < 0 || 248107eee80b3422c0304491f24bbc415deb0badbefcAndy Hung ets.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK] < 0 || 248207eee80b3422c0304491f24bbc415deb0badbefcAndy Hung ets.mPosition[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] <= 0 || 248307eee80b3422c0304491f24bbc415deb0badbefcAndy Hung ets.mPosition[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK] <= 0) 24846d7b119a416c9f10288051e562f294365e5d954cAndy Hung ? 24856d7b119a416c9f10288051e562f294365e5d954cAndy Hung int64_t((double)mAfLatency * mSampleRate * mPlaybackRate.mSpeed 24866d7b119a416c9f10288051e562f294365e5d954cAndy Hung / 1000) 24876d7b119a416c9f10288051e562f294365e5d954cAndy Hung : 24886d7b119a416c9f10288051e562f294365e5d954cAndy Hung (ets.mPosition[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] 24896d7b119a416c9f10288051e562f294365e5d954cAndy Hung - ets.mPosition[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK]); 24906d7b119a416c9f10288051e562f294365e5d954cAndy Hung ALOGV("frame adjustment:%lld timestamp:%s", 24916d7b119a416c9f10288051e562f294365e5d954cAndy Hung (long long)frames, ets.toString().c_str()); 2492b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung if (frames >= ets.mPosition[location]) { 2493b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung timestamp.mPosition = 0; 2494b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } else { 2495b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung timestamp.mPosition = (uint32_t)(ets.mPosition[location] - frames); 2496b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } 249769488c4ef115c9de52c85f4fcae27c7774720298Andy Hung } else if (location == ExtendedTimestamp::LOCATION_KERNEL) { 249869488c4ef115c9de52c85f4fcae27c7774720298Andy Hung ALOGV_IF(mPreviousLocation == ExtendedTimestamp::LOCATION_SERVER, 249969488c4ef115c9de52c85f4fcae27c7774720298Andy Hung "getTimestamp() location moved from server to kernel"); 2500b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } 25015d313803bdd61d59f28e518e7a793f33832f1901Andy Hung 25025d313803bdd61d59f28e518e7a793f33832f1901Andy Hung // We update the timestamp time even when paused. 25035d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (mState == STATE_PAUSED /* not needed: STATE_PAUSED_STOPPING */) { 25045d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t now = systemTime(); 25055d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t at = convertTimespecToNs(timestamp.mTime); 25065d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t lag = 25075d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (ets.mTimeNs[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] < 0 || 25085d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ets.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK] < 0) 25095d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ? int64_t(mAfLatency * 1000000LL) 25105d313803bdd61d59f28e518e7a793f33832f1901Andy Hung : (ets.mPosition[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] 25115d313803bdd61d59f28e518e7a793f33832f1901Andy Hung - ets.mPosition[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK]) 25125d313803bdd61d59f28e518e7a793f33832f1901Andy Hung * NANOS_PER_SECOND / mSampleRate; 25135d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t limit = now - lag; // no earlier than this limit 25145d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (at < limit) { 25155d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ALOGV("timestamp pause lag:%lld adjusting from %lld to %lld", 25165d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (long long)lag, (long long)at, (long long)limit); 25175d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mTime.tv_sec = limit / NANOS_PER_SECOND; 25185d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mTime.tv_nsec = limit % NANOS_PER_SECOND; // compiler opt. 25195d313803bdd61d59f28e518e7a793f33832f1901Andy Hung } 25205d313803bdd61d59f28e518e7a793f33832f1901Andy Hung } 2521b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung mPreviousLocation = location; 2522b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } else { 2523b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung // right after AudioTrack is started, one may not find a timestamp 2524b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung ALOGV("getBestTimestamp did not find timestamp"); 2525b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } 25266ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 25276ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == INVALID_OPERATION) { 2528f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // INVALID_OPERATION occurs when no timestamp has been issued by the server; 2529f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // other failures are signaled by a negative time. 2530f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // If we come out of FLUSHED or STOPPED where the position is known 2531f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // to be zero we convert this to WOULD_BLOCK (with the implicit meaning of 2532f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // "zero" for NuPlayer). We don't convert for track restoration as position 2533f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // does not reset. 2534f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung ALOGV("timestamp server offset:%lld restore frames:%lld", 2535f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung (long long)mFramesWrittenServerOffset, (long long)mFramesWrittenAtRestore); 2536f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung if (mFramesWrittenServerOffset != mFramesWrittenAtRestore) { 2537f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung status = WOULD_BLOCK; 2538f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung } 25396ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 25406ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 25417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2542dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 25437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 25447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 25457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 25467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 25477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 25487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 25497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 25505d313803bdd61d59f28e518e7a793f33832f1901Andy Hung // TODO: adjust for delay 25517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 25527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 25537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2555c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2556c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2557c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2558c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2559c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2560c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 25617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 25627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 25637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 25647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 25667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 25687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 25697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 25707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 25717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 25727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 25738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 25745a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 25757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 25777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2578c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 25797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2580c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2581c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 25827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 25837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 25847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2585c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2586c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2587c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2588c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2589c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2590c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2591c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 25927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 25937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2594c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2595c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2596c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2597c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2598c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 25997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2600c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 26017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 26027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2603200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2604200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2605200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2606200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2607200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2608200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2609200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2610200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 261190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 261290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 261390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 261490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 261590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 261690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2617200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2618200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2619200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2620200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2621200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 262290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 262390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2624200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2625200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2626200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2627200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2628200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2629200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2630200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2631fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 26321b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 26331b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 26341b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 26351b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 26361b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 26375d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t previousTimeNanos = convertTimespecToNs(mPreviousTimestamp.mTime); 26385d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t currentTimeNanos = convertTimespecToNs(timestamp.mTime); 26391b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 26405d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ALOGW("retrograde timestamp time corrected, %lld < %lld", 26415d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (long long)currentTimeNanos, (long long)previousTimeNanos); 26425d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mTime = mPreviousTimestamp.mTime; 26431b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26441b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 26451b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 26461b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 264790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 264890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 26494c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 26504c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 26514c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 26524c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 26534c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 26544c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 26554c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 26564c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 26574c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 26584c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 26594c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 26604c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 26615d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (deltaPosition < 0) { 26625d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mPosition = mPreviousTimestamp.mPosition; 26635d313803bdd61d59f28e518e7a793f33832f1901Andy Hung deltaPosition = 0; 26645d313803bdd61d59f28e518e7a793f33832f1901Andy Hung } 26655d313803bdd61d59f28e518e7a793f33832f1901Andy Hung#if 0 26665d313803bdd61d59f28e518e7a793f33832f1901Andy Hung // Uncomment this to verify audio timestamp rate. 26675d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t deltaTime = 26685d313803bdd61d59f28e518e7a793f33832f1901Andy Hung convertTimespecToNs(timestamp.mTime) - previousTimeNanos; 26695d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (deltaTime != 0) { 26705d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t computedSampleRate = 26715d313803bdd61d59f28e518e7a793f33832f1901Andy Hung deltaPosition * (long long)NANOS_PER_SECOND / deltaTime; 26725d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ALOGD("computedSampleRate:%u sampleRate:%u", 26735d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (unsigned)computedSampleRate, mSampleRate); 26741b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26755d313803bdd61d59f28e518e7a793f33832f1901Andy Hung#endif 26761b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26771b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 26781b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 26791b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26801b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2681fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2682ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2683ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2684ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2685ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 26862c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2687142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 26882c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2689b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2690b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2691b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2692ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2693ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 269423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 269523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 269623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 269723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 269823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 269923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2700ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2701ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2702ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2703ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2704ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2705ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2706ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2707ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2708ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2709ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2710ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2711ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2712ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 27137c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 271489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 271589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 271689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 271789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 271889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 271989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 272089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 272185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2722877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 272389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2724377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2725b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 272689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 27278edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 27285a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 272989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 27309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 273189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 273289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 273389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 273489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 273589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27362812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 27372812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 27382812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 27392812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 27402812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 27412812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 27422812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 27432812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 27442812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 27452812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 27462812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 27479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 27489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 27499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 27509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 27519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 27529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2753296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2754296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2755296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2756296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2757296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2758296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2759296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2760296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2761296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2762296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2763296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2764296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2765296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2766296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2767296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2768296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2769296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2770296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2771296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2772296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2773296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2774296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2775296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2776296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2777296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2778296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2779296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2780296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2781296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2782296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2783296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2784296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2785296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2786296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2787296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2788296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2789296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2790296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2791296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2792296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2793296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2794296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2795e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::pendingDuration(int32_t *msec, ExtendedTimestamp::Location location) 2796e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2797e13f8a603867280de9b02ce4839202a182556416Andy Hung if (msec == nullptr || 2798e13f8a603867280de9b02ce4839202a182556416Andy Hung (location != ExtendedTimestamp::LOCATION_SERVER 2799e13f8a603867280de9b02ce4839202a182556416Andy Hung && location != ExtendedTimestamp::LOCATION_KERNEL)) { 2800e13f8a603867280de9b02ce4839202a182556416Andy Hung return BAD_VALUE; 2801e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2802e13f8a603867280de9b02ce4839202a182556416Andy Hung AutoMutex lock(mLock); 2803e13f8a603867280de9b02ce4839202a182556416Andy Hung // inclusive of offloaded and direct tracks. 2804e13f8a603867280de9b02ce4839202a182556416Andy Hung // 2805e13f8a603867280de9b02ce4839202a182556416Andy Hung // It is possible, but not enabled, to allow duration computation for non-pcm 2806e13f8a603867280de9b02ce4839202a182556416Andy Hung // audio_has_proportional_frames() formats because currently they have 2807e13f8a603867280de9b02ce4839202a182556416Andy Hung // the drain rate equivalent to the pcm sample rate * framesize. 2808e13f8a603867280de9b02ce4839202a182556416Andy Hung if (!isPurePcmData_l()) { 2809e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; 2810e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2811e13f8a603867280de9b02ce4839202a182556416Andy Hung ExtendedTimestamp ets; 2812e13f8a603867280de9b02ce4839202a182556416Andy Hung if (getTimestamp_l(&ets) == OK 2813e13f8a603867280de9b02ce4839202a182556416Andy Hung && ets.mTimeNs[location] > 0) { 2814e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t diff = ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT] 2815e13f8a603867280de9b02ce4839202a182556416Andy Hung - ets.mPosition[location]; 2816e13f8a603867280de9b02ce4839202a182556416Andy Hung if (diff < 0) { 2817e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = 0; 2818e13f8a603867280de9b02ce4839202a182556416Andy Hung } else { 2819e13f8a603867280de9b02ce4839202a182556416Andy Hung // ms is the playback time by frames 2820e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t ms = (int64_t)((double)diff * 1000 / 2821e13f8a603867280de9b02ce4839202a182556416Andy Hung ((double)mSampleRate * mPlaybackRate.mSpeed)); 2822e13f8a603867280de9b02ce4839202a182556416Andy Hung // clockdiff is the timestamp age (negative) 2823e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t clockdiff = (mState != STATE_ACTIVE) ? 0 : 2824e13f8a603867280de9b02ce4839202a182556416Andy Hung ets.mTimeNs[location] 2825e13f8a603867280de9b02ce4839202a182556416Andy Hung + ets.mTimebaseOffset[ExtendedTimestamp::TIMEBASE_MONOTONIC] 2826e13f8a603867280de9b02ce4839202a182556416Andy Hung - systemTime(SYSTEM_TIME_MONOTONIC); 2827e13f8a603867280de9b02ce4839202a182556416Andy Hung 2828e13f8a603867280de9b02ce4839202a182556416Andy Hung //ALOGV("ms: %lld clockdiff: %lld", (long long)ms, (long long)clockdiff); 2829e13f8a603867280de9b02ce4839202a182556416Andy Hung static const int NANOS_PER_MILLIS = 1000000; 2830e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (int32_t)(ms + clockdiff / NANOS_PER_MILLIS); 2831e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2832e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2833e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2834e13f8a603867280de9b02ce4839202a182556416Andy Hung if (location != ExtendedTimestamp::LOCATION_SERVER) { 2835e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; // LOCATION_KERNEL is not available 2836e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2837e13f8a603867280de9b02ce4839202a182556416Andy Hung // use server position directly (offloaded and direct arrive here) 2838e13f8a603867280de9b02ce4839202a182556416Andy Hung updateAndGetPosition_l(); 2839e13f8a603867280de9b02ce4839202a182556416Andy Hung int32_t diff = (Modulo<uint32_t>(mFramesWritten) - mPosition).signedValue(); 2840e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (diff <= 0) ? 0 2841e13f8a603867280de9b02ce4839202a182556416Andy Hung : (int32_t)((double)diff * 1000 / ((double)mSampleRate * mPlaybackRate.mSpeed)); 2842e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2843e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2844e13f8a603867280de9b02ce4839202a182556416Andy Hung 284565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hungbool AudioTrack::hasStarted() 284665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung{ 284765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung AutoMutex lock(mLock); 284865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung switch (mState) { 284965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_STOPPED: 285065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (isOffloadedOrDirect_l()) { 285165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // check if we have started in the past to return true. 285265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return mStartUs > 0; 285365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 285465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // A normal audio track may still be draining, so 285565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // check if stream has ended. This covers fasttrack position 285665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // instability and start/stop without any data written. 285765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (mProxy->getStreamEndDone()) { 285865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return true; 285965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 286065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // fall through 286165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_ACTIVE: 286265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_STOPPING: 286365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung break; 286465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_PAUSED: 286565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_PAUSED_STOPPING: 286665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_FLUSHED: 286765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return false; // we're not active 286865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung default: 286965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung LOG_ALWAYS_FATAL("Invalid mState in hasStarted(): %d", mState); 287065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung break; 287165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 287265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung 287365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // wait indicates whether we need to wait for a timestamp. 287465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // This is conservatively figured - if we encounter an unexpected error 287565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // then we will not wait. 287665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung bool wait = false; 287765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (isOffloadedOrDirect_l()) { 287865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung AudioTimestamp ts; 287965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung status_t status = getTimestamp_l(ts); 288065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (status == WOULD_BLOCK) { 288165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = true; 288265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } else if (status == OK) { 288365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = (ts.mPosition == 0 || ts.mPosition == mStartTs.mPosition); 288465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 288565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ALOGV("hasStarted wait:%d ts:%u start position:%lld", 288665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (int)wait, 288765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ts.mPosition, 288865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (long long)mStartTs.mPosition); 288965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } else { 289065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung int location = ExtendedTimestamp::LOCATION_SERVER; // for ALOG 289165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ExtendedTimestamp ets; 289265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung status_t status = getTimestamp_l(&ets); 289365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (status == WOULD_BLOCK) { // no SERVER or KERNEL frame info in ets 289465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = true; 289565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } else if (status == OK) { 289665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung for (location = ExtendedTimestamp::LOCATION_KERNEL; 289765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung location >= ExtendedTimestamp::LOCATION_SERVER; --location) { 289865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (ets.mTimeNs[location] < 0 || mStartEts.mTimeNs[location] < 0) { 289965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung continue; 290065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 290165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = ets.mPosition[location] == 0 290265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung || ets.mPosition[location] == mStartEts.mPosition[location]; 290365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung break; 290465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 290565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 290665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ALOGV("hasStarted wait:%d ets:%lld start position:%lld", 290765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (int)wait, 290865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (long long)ets.mPosition[location], 290965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (long long)mStartEts.mPosition[location]); 291065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 291165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return !wait; 291265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung} 291365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung 29149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 29159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 29167c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 29179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 29189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 29199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 29209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 29219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 29229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 29239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 29249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 292589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 292689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 292789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2928598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2929598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 29303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 29323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 29333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 293489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 293589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 293689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 293789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 293889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 29403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 29413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 29423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 29433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 29443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 29453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2946598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2947598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2948598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2949598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 29505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 29515a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 29525a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 29535a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 29545a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 29555a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 29569d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 29575a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 29585a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 29593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 29607985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 29617985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 29627985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 29637c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 29649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 29659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 29669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 29679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 29685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 29699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 29709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 29719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 29725a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 29733c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 29743c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 29755a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 29769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 297734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 29785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 29799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2980ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 298189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 298289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 29843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 29863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2987598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 29883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 29893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 29903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 29913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 29933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 29943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 29953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 29963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 29973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2999598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 30009d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 30013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 30029d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 30033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 30043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 30053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 30063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 30073c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 30083c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 30093c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 3010a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 3011a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 3012a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 30133c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 3014a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 3015a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 3016a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 3017a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 3018a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 30193c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 30203c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 30213c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 30225a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 30235a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 30245a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 30255a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 30265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 30275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 30285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 302940bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 3030