AudioTrack.cpp revision 4e728d4bbc683a50096f052a31c8eb5cbb1e100e
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 } 65579629f0716f04e79064256362be56730077b8c50Andy Hung } else { 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 659b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 660b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 661b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 663879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 664a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 668b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 674397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 67823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 679b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 680b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 681b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 6822148bf0e79c436b8764b9edc4c8f2730cce98a32Andy Hung ALOGD_IF(mSharedBuffer == nullptr, 6832148bf0e79c436b8764b9edc4c8f2730cce98a32Andy Hung "stop() called with %u frames delivered", mReleased.value()); 684c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 686b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 68961be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 69061be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 69161be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6929b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6949b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6959b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6969b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 698b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 70123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 702b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 703b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7129a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 7209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 7244bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 7261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 7291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 731c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7322c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 7332c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 7342c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 7352c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 737c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 739c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 74023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 741b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 742b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 7444bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 749f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 750b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 751b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 752b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 753b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 754b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 7597064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 7603a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 761142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 7637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 7647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 7657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 7667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 7677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 7697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 7707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 7727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7737064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 7747064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 7757064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 7767064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7777064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 780be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 782c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 783c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 784c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 785be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 786be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 787be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 78966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 79066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 792c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 793be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 79423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 79559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 79659fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 797be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 800b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 80189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 802b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 803be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 804be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 8052beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 806be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 807c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 808c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 809be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 810be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 811be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 813be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 814e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 815be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 816be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 817be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 818be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 819a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 820be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 821be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 823be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 82489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8263b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 82789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8285cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 8295cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 8305cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 8315cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 832d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 8334ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 8344ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 8350d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 8360d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 8370d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 8385cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 8395cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 8410d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 842573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8455a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 84626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 847d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 848d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 851e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 85226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 853e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 854573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 857a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8606f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 8616f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 8626f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 8636f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 864ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 865142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 8666f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 867b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 8686f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 8696f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 8706f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8716f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8726f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 873e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8763a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 8773a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 8783a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 8793a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8803a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8815a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8845a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 887d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l()) { 8888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 893ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 894ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (input): mSampleRate:%u mSpeed:%f mPitch:%f", 895ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung mSampleRate, playbackRate.mSpeed, playbackRate.mPitch); 89626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8975a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8985a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8995a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 9006c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 9016c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 9026c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 9036c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 904ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (effective): mSampleRate:%u mSpeed:%f mPitch:%f", 905ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung effectiveRate, effectiveSpeed, effectivePitch); 906ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 9076c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 9084e728d4bbc683a50096f052a31c8eb5cbb1e100eKevin Rocard ALOGW("setPlaybackRate(%f, %f) failed (effective rate out of bounds)", 909ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 91026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 91126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 9128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 91326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 9144e728d4bbc683a50096f052a31c8eb5cbb1e100eKevin Rocard ALOGW("setPlaybackRate(%f, %f) failed (buffer size)", 915ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 9168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 9178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 9185a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 9196c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 920d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * 921d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 9224e728d4bbc683a50096f052a31c8eb5cbb1e100eKevin Rocard ALOGW("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 9236c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 9246c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 9256c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 9266c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 927e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 9284e728d4bbc683a50096f052a31c8eb5cbb1e100eKevin Rocard ALOGW("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 9296c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 9306c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 9316c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 9326c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 9336c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 9345a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 93526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 9368edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 9378edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 9388edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 9395a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 9408edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 9418edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 9425a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 9438edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 9448edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 945c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::getBufferSizeInFrames() 946c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 947c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 948c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 949c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 950c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 951e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->getBufferSizeInFrames(); 952c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 953c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 954f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hungstatus_t AudioTrack::getBufferDurationInUs(int64_t *duration) 955f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung{ 956f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (duration == nullptr) { 957f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return BAD_VALUE; 958f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 959f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung AutoMutex lock(mLock); 960f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 961f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return NO_INIT; 962f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 963f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung ssize_t bufferSizeInFrames = (ssize_t) mProxy->getBufferSizeInFrames(); 964f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (bufferSizeInFrames < 0) { 965f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return (status_t)bufferSizeInFrames; 966f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 967f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung *duration = (int64_t)((double)bufferSizeInFrames * 1000000 968f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung / ((double)mSampleRate * mPlaybackRate.mSpeed)); 969f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return NO_ERROR; 970f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung} 971f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung 972c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::setBufferSizeInFrames(size_t bufferSizeInFrames) 973c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 974c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 975c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 976c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 977c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 978c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // Reject if timed track or compressed audio. 979d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (!audio_is_linear_pcm(mFormat)) { 980c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return INVALID_OPERATION; 981c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 982e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->setBufferSizeInFrames((uint32_t) bufferSizeInFrames); 983c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 984c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 987d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 988083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 989083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 990083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1004c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10114ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 10124ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 10134ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 10144ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 10154ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 101653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 10179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 10183c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 10193c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1024fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 1025ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 1026d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1027d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 10312c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10333c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 10343c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 10353c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 10363c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1040a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1042ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1043b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 1044b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1045d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 1046d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1047d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 105090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1057fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 1058ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 1059d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1060d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 1063200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 10652b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 10663c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 10673c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 10683c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 10693c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1073a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1075ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1076b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 1077b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1078d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 1079d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1080d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1090d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1091d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1092d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 10949c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10959c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10969c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 11009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 11019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 11049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1106d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11079b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 1108200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 11099b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 11103c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 11113c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1115200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1117d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 1118d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1119d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11227a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // FIXME: offloaded and direct tracks call into the HAL for render positions 11237a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // for compressed/synced data; however, we use proxy position for pure linear pcm data 11247a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // as we do not know the capability of the HAL for pcm position support and standby. 11257a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // There may be some latency differences between the HAL position and the proxy position. 11267a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung if (isOffloadedOrDirect_l() && !isPurePcmData_l()) { 1127b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1129ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 11307064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 11317064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 11327064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 11337064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 11347064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1135142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 11361f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 11371f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 11381f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1139b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 11407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 11417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1142b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1143b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1144275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 11451f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 11461f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 11471f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1148275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1149275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1150b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1151200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 115290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1153b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 115689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1157377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 11589c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 1159d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0) { 11609c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 11619c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 11629c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 11639c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 11649c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 11659c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 11689c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 11699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 11709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1173d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1174083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1175083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1176083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 11771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1180d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1181d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 11839b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 11849b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 11851b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 118653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 11879b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 118853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 118953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 119053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 119153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 119253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 119353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 119453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 11959b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1200c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 12011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1202b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 12031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 12041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1205aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1206aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1207aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1208aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1209493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1210aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1211493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1212aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1213aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1214aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1215aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1216aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1217aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1218aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1219296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1220296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1221296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1222296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1223296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1224296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1225296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1226296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1227be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1228be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 12302beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 12312beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 12322beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 12332beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 12342beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1235be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1236be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1237e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1238e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1239e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1240e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1241e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1242e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1243e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1244e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1248200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 124934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 125034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 125134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1252e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1253e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 125434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 125534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1256296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1257296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1258296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1259e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1260e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1261e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1262e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1263ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // mFlags (not mOrigFlags) is modified depending on whether fast request is accepted. 1264ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // After fast request is denied, we will request again if IAudioTrack is re-created. 1265ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 1266aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 126720b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent audio_config_t config = AUDIO_CONFIG_INITIALIZER; 126820b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.sample_rate = mSampleRate; 126920b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.channel_mask = mChannelMask; 127020b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.format = mFormat; 127120b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent config.offload_info = mOffloadInfoCopy; 1272aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1273d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId, &streamType, mClientUid, 127420b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent &config, 127520b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mFlags, mSelectedDeviceId, &mPortId); 1276e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1277e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 1278d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u," 1279d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten " format %#x, channel mask %#x, flags %#x", 1280d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, 1281d3bb645f0b7f567b033b8664499d685f8ec10628Glenn Kasten mFlags); 128238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 128338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 128438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 128538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 128638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 128738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1288ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 12899f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1290ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 129238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1293d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 12949f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1295d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 12969f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1297ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1298b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 129938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1300ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1301ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1302ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // TODO consider making this a member variable if there are other uses for it later 1303ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t afFrameCountHAL; 1304ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten status = AudioSystem::getFrameCountHAL(output, &afFrameCountHAL); 1305ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (status != NO_ERROR) { 1306ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("getFrameCountHAL(output=%d) status %d", output, status); 1307ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten goto release; 1308ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1309ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOG_ASSERT(afFrameCountHAL > 0); 1310ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten 13119f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1312ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1313b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 131438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1315ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 13160d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 13179f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 13189f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 13190d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 13207fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 1321d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 132233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 132333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool useCaseAllowed = 13244a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 13254a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1326363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1327c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 13281dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 13291dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 133033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk (mTransfer == TRANSFER_OBTAIN) || 133133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // use case 4: synchronous write 133233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ((mTransfer == TRANSFER_SYNC) && mThreadCanCallJava); 133333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // sample rates must also match 133433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool fastAllowed = useCaseAllowed && (mSampleRate == mAfSampleRate); 133533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!fastAllowed) { 13367fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, " 133733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk "track %u Hz, output %u Hz", 13389f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 133933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 134033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 13414a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 13424a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1343d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1344e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1345363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1346fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (!audio_has_proportional_frames(mFormat)) { 1347e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1348363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1349e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1350363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1351e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 13529f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1353d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1354b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1355b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1356b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1357363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1358abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1359abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1360abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1361abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1362b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1363abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1364b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1365b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1366a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1367e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1368e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1369e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13701d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1371a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1372363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 137338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 137438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1375e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1376e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1377e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1378e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1379e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1380e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1381abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1382e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 1383ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t minFrameCount = 0; 1384ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // For fast tracks the frame count calculations and checks are mostly done by server, 1385ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // but we try to respect the application's request for notifications per buffer. 1386ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1387ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationsPerBufferReq > 0) { 1388ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // Avoid possible arithmetic overflow during multiplication. 1389ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // mNotificationsPerBuffer is clamped to a small integer earlier, so it is unlikely. 1390ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationsPerBufferReq > SIZE_MAX / afFrameCountHAL) { 1391ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("Requested notificationPerBuffer=%u ignored for HAL frameCount=%zu", 1392ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationsPerBufferReq, afFrameCountHAL); 1393ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1394ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minFrameCount = afFrameCountHAL * mNotificationsPerBufferReq; 1395ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1396ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1397ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 13988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 1399ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung const float speed = !isPurePcmData_l() || isOffloadedOrDirect_l() ? 1.0f : 1400ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung max(mMaxRequiredSpeed, mPlaybackRate.mSpeed); 1401ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minFrameCount = calculateMinFrameCount( 14029f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 1403ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten speed /*, 0 mNotificationsPerBufferReq*/); 1404ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1405ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (frameCount < minFrameCount) { 1406ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten frameCount = minFrameCount; 14078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1408d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1409d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1410050677873c10d4da308ac222f8533c96cca3207eEric Laurent audio_output_flags_t flags = mFlags; 14113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1413363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 141433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mAudioTrackThread != 0 && !mThreadCanCallJava) { 14153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 14163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14174a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 14184a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 141974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 142074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1421d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t originalSessionId = mSessionId; 1422e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1423363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1424abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1425a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 142674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1427050677873c10d4da308ac222f8533c96cca3207eEric Laurent &flags, 1428363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 142934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 14309ea77cdba8c422940adb57a790b44ac04fe0353fHaynes Mathew George mClientPid, 14313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1432be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1433462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 143420b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent &status, 143520b9ef0b55c9150ae11057ab997ae61be2d496efEric Laurent mPortId); 1436138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1437138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 143834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1439c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 144029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 144138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 144234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1443c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1444c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 144538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 144638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 144738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 14487fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // FIXME compare to AudioRecord 1449d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1450d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 145129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 145234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 145334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 14540cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 14550cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 14560cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 14570cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 14580cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 145953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1461f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 146434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1465d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 14663bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 14673bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 14680cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1469d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 147074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1471b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1472b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1473b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1474b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 147534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1476b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1477b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 14785f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1479a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1480363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1481050677873c10d4da308ac222f8533c96cca3207eEric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 14821bfe09a0b1755a79abd32b41c0dd433b88fc260cGlenn Kasten ALOGI("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu -> %zu", frameCount, temp); 148333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!mThreadCanCallJava) { 148433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mAwaitBoost = true; 148533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 14863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 14871bfe09a0b1755a79abd32b41c0dd433b88fc260cGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu -> %zu", frameCount, 14881bfe09a0b1755a79abd32b41c0dd433b88fc260cGlenn Kasten temp); 1489e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 14903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1491050677873c10d4da308ac222f8533c96cca3207eEric Laurent mFlags = flags; 14927fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 14937fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // Make sure that application is notified with sufficient margin before underrun. 1494ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // The client can divide the AudioTrack buffer into sub-buffers, 1495ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // and expresses its desire to server as the notification frame count. 14960e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 1497ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t maxNotificationFrames; 1498050677873c10d4da308ac222f8533c96cca3207eEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1499ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // notify every HAL buffer, regardless of the size of the track buffer 1500ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames = afFrameCountHAL; 1501ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1502aebe9dc29988c94a774208ba659c4f156d274d79Glenn Kasten // For normal tracks, use at least double-buffering if no sample rate conversion, 1503aebe9dc29988c94a774208ba659c4f156d274d79Glenn Kasten // or at least triple-buffering if there is sample rate conversion 1504aebe9dc29988c94a774208ba659c4f156d274d79Glenn Kasten const int nBuffering = mOriginalSampleRate == mAfSampleRate ? 2 : 3; 1505ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames = frameCount / nBuffering; 15067fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten } 15077fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > maxNotificationFrames) { 1508ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationFramesAct == 0) { 1509ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGD("Client defaulted notificationFrames to %zu for frameCount %zu", 1510ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames, frameCount); 1511ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1512ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGW("Client adjusted notificationFrames from %u to %zu for frameCount %zu", 15137fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct, maxNotificationFrames, frameCount); 1514ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 15157fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct = (uint32_t) maxNotificationFrames; 15160e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 15170e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 151938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 152038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1528363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1529138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 153034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1531363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1532138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1533138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1534138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1535138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 153634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 153734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 15382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 15398edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1540e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 15419f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 15425f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1543b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1544093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1545093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1546b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1547b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1548093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1549e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1550d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1551d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1552d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1553e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1554363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1556abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1558abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1561e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1562e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1563e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1564e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1565e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1566e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 15675a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 15685a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 15695a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 157026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 15715a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 15725a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 15735a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 15745a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 15755a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1579f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1580e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1581296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1582296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1583296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1584296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 158534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 158638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 158738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 158838e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1589d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten AudioSystem::releaseOutput(output, streamType, mSessionId); 159038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 159138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 159238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 159338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 159434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 159534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1596b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1599551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1600551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1601551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1608551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1609551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1610551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1615df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1629b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1638e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 164189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 165089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 16531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1661b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1662b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1663b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 166589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16704d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if (status == NOT_ENOUGH_DATA) { 16714d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 16724d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } 16734d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1678b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1679b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1680b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1681b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1682b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 168989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 169089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1692c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 16964d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } while (((status == DEAD_OBJECT) || (status == NOT_ENOUGH_DATA)) && (tryCounter-- > 0)); 169789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1699abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 170389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 170589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 170689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 170754a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 170889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 17093f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1714abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1722e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 17231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1724200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 17294d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 17304d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent} 17314d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 17324d231dc0ee34380956c71cbe18a750e487a69601Eric Laurentvoid AudioTrack::restartIfDisabled() 17334d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent{ 17344d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 17354d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if ((mState == STATE_ACTIVE) && (flags & CBLK_DISABLED)) { 17364d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 17374d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent // FIXME ignoring status 17384d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent mAudioTrack->start(); 1739df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 174089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 174189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 174289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 174389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1744720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 174589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1746d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mTransfer != TRANSFER_SYNC) { 1747d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1748d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 174989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1750ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1751ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1752ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1753ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1754ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1755ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1756ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1757ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1758ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1759ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 176199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 176299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1763377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 176489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 176689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 176989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1772c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1773720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1774720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 177589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 177789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1778d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 17790a2f151f37c715078351ae0be99b0c4dbabc2a23Glenn Kasten if (err == TIMED_OUT || err == -EINTR) { 17800a2f151f37c715078351ae0be99b0c4dbabc2a23Glenn Kasten err = WOULD_BLOCK; 17810a2f151f37c715078351ae0be99b0c4dbabc2a23Glenn Kasten } 178289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 178389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 178489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1785ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1786abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 17879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 178889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 178989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 179089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 179389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1794ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (written > 0) { 1795ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += written / mFrameSize; 1796ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 179789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 179889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 179989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 180189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18027c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 180389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1804fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1805fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1806fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1807fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1808fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 18091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1810a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1811a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1812a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1813a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1814a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1815a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1816a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 18178255ba7b40774b2b8868482f1a302db3ae98e905Glenn Kasten int policy = sched_getscheduler(0) & ~SCHED_RESET_ON_FORK; 1818a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1819a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1820a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1821a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1822a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1823a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1824a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1825a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1826a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1827b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1828b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1829a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 18301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 183396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1834a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1837b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1838b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1839b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1840ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1841f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1842f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 184353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 184453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1845b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 184689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1847c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1848b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 185089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 186989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 187089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 187290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 187489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 187690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 187790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 187890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 188490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 188590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 188890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 18909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 18939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 18945a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1895a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1902b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 190396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 190553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 190653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 190753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 190853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 190953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 191053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 191153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 191253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 191353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 191453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 191553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 191653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 191753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 191853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 191953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 192053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 192153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 192253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 192353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 192453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 192553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 192653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 19279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1928abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 19299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1933a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1934a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1935a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1936b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1937a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1938a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1939a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1940a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1941b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1942b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1943b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1944b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 194596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1946b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1947b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1948b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1949b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 195039609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 195139609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 195239609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 195339609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 195439609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 195596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 195696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 195796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 195896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 195996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 196096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 196196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 196296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1963c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1964b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1965b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 196696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 196796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 196896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 196996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1970b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 197196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1972b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1973b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 19749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 19769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 197853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 19799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 198053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 19819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 19839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 19849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 19869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 19879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 198990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 19909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 19919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 19929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 19939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1994b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 19959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 19969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 19979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1998b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1999ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 2000b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 2001b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 200289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 200389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 20059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 20069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 200789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 200889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 20109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 20119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 20129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 201390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 20149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 20162d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 20179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 20189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20192d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 202090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 202189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 202289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 20249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 20259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 20269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 20272267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 20282267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 2029a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 2030a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 2031a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 2032a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 20339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 20349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 20359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 2036a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 2037a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 2038a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 2039a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 20409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 20439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 20449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 20459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 204689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2047a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 2048a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 2049a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 2050a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 2051a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 2052a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 2053a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 20549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 20559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 20569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 20579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 20589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 20599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2063ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung size_t writtenFrames = 0; 20649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 2065c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 20669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 20679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 20689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 20699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 20709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 207134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 20739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 207434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 2075b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 20769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 2077b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 2078b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 2079606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 2080606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 208189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 20839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 208489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2086fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (mRetryOnPartialBuffer && audio_has_proportional_frames(mFormat)) { 20879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 20889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 2089a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 2090a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2091a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2092a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2093a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2094a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 20959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 20969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 20989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2099d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 210089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 210189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 210289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 21039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 210489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 210589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 21069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 210734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 210834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 21099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 21109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 21138555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 21148555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 21158555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 21168555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 2117a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2118a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 2119a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 2120a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 2121a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 2122a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2123a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 2124a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 2125a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 2126a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2127a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 2128a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 2129a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 2130a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2131a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 2132fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(mFormat)) { 2133a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 2134a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2135a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2136a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2137ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // FIXME: use mAfFrameCountHAL instead of mAfFrameCount below for fast tracks. 2138a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2139a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2140a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2141a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2142a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2143a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2144a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2145a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2146a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2147a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2148a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2149a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2150a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2151a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2152a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2153a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2154d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 215589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2156138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 21579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 21589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 21599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 21609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 21619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 21629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 21639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 216489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 216589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 2166ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung writtenFrames += releasedFrames; 216789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 21699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 21709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 21719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 21729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 21759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 21769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 21779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 21809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 21819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 21829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 21839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 21849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 21858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 21869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 21889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 218989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2190ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (writtenFrames > 0) { 2191ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2192ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += writtenFrames; 2193ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 21949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 21959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 21969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 21989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 219989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 220089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 22021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2203b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2204ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 22059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 22061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2207a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2208d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2209a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2210a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2211faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 22121f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 22131f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2214b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2215b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2216b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 22172812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 22182812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 22192812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2220200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 2221f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung uint32_t staticPosition = 0; 22224ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 22234ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 22244ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 22254ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 2226f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung staticPosition = mStaticProxy->getPosition().unsignedValue(); 22274ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2228200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2229ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mFlags = mOrigFlags; 2230ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 2231200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2232a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2233200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2234200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2235ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2236cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2237a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2238d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2239d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2240d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2241d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2242d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2243d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 22444ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 22454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 22464ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 22474ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 22484ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 22494ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 22504ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 225153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 225253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 225353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 22541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22564ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // restore volume handler 22574ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung mVolumeHandler->forall([this](const sp<VolumeShaper::Configuration> &configuration, 22584ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung const sp<VolumeShaper::Operation> &operation) -> VolumeShaper::Status { 22594ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung sp<VolumeShaper::Operation> operationToEnd = new VolumeShaper::Operation(*operation); 22604ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // TODO: Ideally we would restore to the exact xOffset position 22614ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // as returned by getVolumeShaperState(), but we don't have that 22624ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // information when restoring at the client unless we periodically poll 22634ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // the server or create shared memory state. 22644ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // 22654ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // For now, we simply advance to the end of the VolumeShaper effect. 22664ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung operationToEnd->setXOffset(1.f); 22674ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung return mAudioTrack->applyVolumeShaper(configuration, operationToEnd); 22684ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung }); 22694ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung 22709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2271a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 22721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 2273f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // server resets to zero so we offset 2274f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung mFramesWrittenServerOffset = 2275f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung mStaticProxy.get() != nullptr ? staticPosition : mFramesWritten; 2276f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung mFramesWrittenAtRestore = mFramesWrittenServerOffset; 22771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 22799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 22809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2281c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 22821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 22841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 22851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 22861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 228790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2288200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2289200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 229090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 229190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2292200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2293200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2294200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2295200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2296200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2297200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2298200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2299200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 230090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 230190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 230290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2303039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 230490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 230590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 230690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 230790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2308200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2309200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 23108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 23118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 23128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 23138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 23148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 23158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 23168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 2317ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed 2318ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten /*, 0 mNotificationsPerBufferReq*/); 23198edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 23208edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 23218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 23228edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 23238edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2324ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2325ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2326ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 232753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2328ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2329ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 23309fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy HungVolumeShaper::Status AudioTrack::applyVolumeShaper( 23319fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung const sp<VolumeShaper::Configuration>& configuration, 23329fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung const sp<VolumeShaper::Operation>& operation) 23339fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung{ 23349fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung AutoMutex lock(mLock); 23354ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung mVolumeHandler->setIdIfNecessary(configuration); 23369fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung VolumeShaper::Status status = mAudioTrack->applyVolumeShaper(configuration, operation); 23374ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung if (status >= 0) { 23384ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung // save VolumeShaper for restore 23394ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung mVolumeHandler->applyVolumeShaper(configuration, operation); 23404ef88d7106c01f81109ee163cb6789073d80c6aeAndy Hung } 23419fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung return status; 23429fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung} 23439fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung 23449fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hungsp<VolumeShaper::State> AudioTrack::getVolumeShaperState(int id) 23459fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung{ 23469fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung // TODO: To properly restore the AudioTrack 23479fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung // we will need to save the last state in AudioTrackShared. 23489fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung AutoMutex lock(mLock); 23499fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung return mAudioTrack->getVolumeShaperState(id); 23509fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung} 23519fc8b5cd4a64ef07e84c69112461324d5c13a0b0Andy Hung 2352ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hungstatus_t AudioTrack::getTimestamp(ExtendedTimestamp *timestamp) 2353ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung{ 2354ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (timestamp == nullptr) { 2355ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return BAD_VALUE; 2356ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2357ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2358e13f8a603867280de9b02ce4839202a182556416Andy Hung return getTimestamp_l(timestamp); 2359e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2360e13f8a603867280de9b02ce4839202a182556416Andy Hung 2361e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::getTimestamp_l(ExtendedTimestamp *timestamp) 2362e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2363ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (mCblk->mFlags & CBLK_INVALID) { 2364ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung const status_t status = restoreTrack_l("getTimestampExtended"); 2365ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (status != OK) { 2366ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 2367ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // recommending that the track be recreated. 2368ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return DEAD_OBJECT; 2369ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2370ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2371ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // check for offloaded/direct here in case restoring somehow changed those flags. 2372ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (isOffloadedOrDirect_l()) { 2373ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return INVALID_OPERATION; // not supported 2374ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2375ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung status_t status = mProxy->getTimestamp(timestamp); 2376e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung LOG_ALWAYS_FATAL_IF(status != OK, "status %d not allowed from proxy getTimestamp", status); 2377ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung bool found = false; 2378e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[ExtendedTimestamp::LOCATION_CLIENT] = mFramesWritten; 2379e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mTimeNs[ExtendedTimestamp::LOCATION_CLIENT] = 0; 2380e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // server side frame offset in case AudioTrack has been restored. 2381e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung for (int i = ExtendedTimestamp::LOCATION_SERVER; 2382e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung i < ExtendedTimestamp::LOCATION_MAX; ++i) { 2383e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (timestamp->mTimeNs[i] >= 0) { 2384e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // apply server offset (frames flushed is ignored 2385e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // so we don't report the jump when the flush occurs). 2386e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[i] += mFramesWrittenServerOffset; 2387e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung found = true; 2388ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2389ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2390ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return found ? OK : WOULD_BLOCK; 2391ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung} 2392ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung 2393ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2394ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 239553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 239665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return getTimestamp_l(timestamp); 239765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung} 23981b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 239965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hungstatus_t AudioTrack::getTimestamp_l(AudioTimestamp& timestamp) 240065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung{ 24011b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 24021b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 24031b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 24041b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 24057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 24067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 24077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 24087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 24097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 24107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 24117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 24127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 24137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 24147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 24157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 24167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 24177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 24187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 24197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 24207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2421fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 24227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2423275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 24246653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 24256653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 24266653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 24276653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 24286653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 24296653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2430275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2431275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2432200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2433200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 24346ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung 24356ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status_t status; 2436818e7a32ce3633980138aff2c2bfcc5158b3cfccAndy Hung if (isOffloadedOrDirect_l()) { 24376ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // use Binder to get timestamp 24386ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mAudioTrack->getTimestamp(timestamp); 24396ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } else { 24406ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // read timestamp from shared memory 24416ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung ExtendedTimestamp ets; 24426ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mProxy->getTimestamp(&ets); 24436ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == OK) { 2444b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung ExtendedTimestamp::Location location; 2445b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung status = ets.getBestTimestamp(×tamp, &location); 2446b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung 2447b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung if (status == OK) { 2448b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung // It is possible that the best location has moved from the kernel to the server. 2449b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung // In this case we adjust the position from the previous computed latency. 2450b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung if (location == ExtendedTimestamp::LOCATION_SERVER) { 2451b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung ALOGW_IF(mPreviousLocation == ExtendedTimestamp::LOCATION_KERNEL, 2452b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung "getTimestamp() location moved from kernel to server"); 245307eee80b3422c0304491f24bbc415deb0badbefcAndy Hung // check that the last kernel OK time info exists and the positions 245407eee80b3422c0304491f24bbc415deb0badbefcAndy Hung // are valid (if they predate the current track, the positions may 245507eee80b3422c0304491f24bbc415deb0badbefcAndy Hung // be zero or negative). 2456b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung const int64_t frames = 24576d7b119a416c9f10288051e562f294365e5d954cAndy Hung (ets.mTimeNs[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] < 0 || 245807eee80b3422c0304491f24bbc415deb0badbefcAndy Hung ets.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK] < 0 || 245907eee80b3422c0304491f24bbc415deb0badbefcAndy Hung ets.mPosition[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] <= 0 || 246007eee80b3422c0304491f24bbc415deb0badbefcAndy Hung ets.mPosition[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK] <= 0) 24616d7b119a416c9f10288051e562f294365e5d954cAndy Hung ? 24626d7b119a416c9f10288051e562f294365e5d954cAndy Hung int64_t((double)mAfLatency * mSampleRate * mPlaybackRate.mSpeed 24636d7b119a416c9f10288051e562f294365e5d954cAndy Hung / 1000) 24646d7b119a416c9f10288051e562f294365e5d954cAndy Hung : 24656d7b119a416c9f10288051e562f294365e5d954cAndy Hung (ets.mPosition[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] 24666d7b119a416c9f10288051e562f294365e5d954cAndy Hung - ets.mPosition[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK]); 24676d7b119a416c9f10288051e562f294365e5d954cAndy Hung ALOGV("frame adjustment:%lld timestamp:%s", 24686d7b119a416c9f10288051e562f294365e5d954cAndy Hung (long long)frames, ets.toString().c_str()); 2469b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung if (frames >= ets.mPosition[location]) { 2470b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung timestamp.mPosition = 0; 2471b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } else { 2472b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung timestamp.mPosition = (uint32_t)(ets.mPosition[location] - frames); 2473b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } 247469488c4ef115c9de52c85f4fcae27c7774720298Andy Hung } else if (location == ExtendedTimestamp::LOCATION_KERNEL) { 247569488c4ef115c9de52c85f4fcae27c7774720298Andy Hung ALOGV_IF(mPreviousLocation == ExtendedTimestamp::LOCATION_SERVER, 247669488c4ef115c9de52c85f4fcae27c7774720298Andy Hung "getTimestamp() location moved from server to kernel"); 2477b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } 24785d313803bdd61d59f28e518e7a793f33832f1901Andy Hung 24795d313803bdd61d59f28e518e7a793f33832f1901Andy Hung // We update the timestamp time even when paused. 24805d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (mState == STATE_PAUSED /* not needed: STATE_PAUSED_STOPPING */) { 24815d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t now = systemTime(); 24825d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t at = convertTimespecToNs(timestamp.mTime); 24835d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t lag = 24845d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (ets.mTimeNs[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] < 0 || 24855d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ets.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK] < 0) 24865d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ? int64_t(mAfLatency * 1000000LL) 24875d313803bdd61d59f28e518e7a793f33832f1901Andy Hung : (ets.mPosition[ExtendedTimestamp::LOCATION_SERVER_LASTKERNELOK] 24885d313803bdd61d59f28e518e7a793f33832f1901Andy Hung - ets.mPosition[ExtendedTimestamp::LOCATION_KERNEL_LASTKERNELOK]) 24895d313803bdd61d59f28e518e7a793f33832f1901Andy Hung * NANOS_PER_SECOND / mSampleRate; 24905d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t limit = now - lag; // no earlier than this limit 24915d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (at < limit) { 24925d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ALOGV("timestamp pause lag:%lld adjusting from %lld to %lld", 24935d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (long long)lag, (long long)at, (long long)limit); 24945d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mTime.tv_sec = limit / NANOS_PER_SECOND; 24955d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mTime.tv_nsec = limit % NANOS_PER_SECOND; // compiler opt. 24965d313803bdd61d59f28e518e7a793f33832f1901Andy Hung } 24975d313803bdd61d59f28e518e7a793f33832f1901Andy Hung } 2498b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung mPreviousLocation = location; 2499b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } else { 2500b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung // right after AudioTrack is started, one may not find a timestamp 2501b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung ALOGV("getBestTimestamp did not find timestamp"); 2502b01faa31462e19957ae3c0c3ada07c9576a9494fAndy Hung } 25036ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 25046ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == INVALID_OPERATION) { 2505f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // INVALID_OPERATION occurs when no timestamp has been issued by the server; 2506f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // other failures are signaled by a negative time. 2507f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // If we come out of FLUSHED or STOPPED where the position is known 2508f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // to be zero we convert this to WOULD_BLOCK (with the implicit meaning of 2509f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // "zero" for NuPlayer). We don't convert for track restoration as position 2510f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung // does not reset. 2511f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung ALOGV("timestamp server offset:%lld restore frames:%lld", 2512f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung (long long)mFramesWrittenServerOffset, (long long)mFramesWrittenAtRestore); 2513f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung if (mFramesWrittenServerOffset != mFramesWrittenAtRestore) { 2514f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung status = WOULD_BLOCK; 2515f20a4e9f84bbb8748f28ca326caeba7a9947a369Andy Hung } 25166ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 25176ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 25187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2519dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 25207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 25217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 25227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 25237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 25247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 25257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 25267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 25275d313803bdd61d59f28e518e7a793f33832f1901Andy Hung // TODO: adjust for delay 25287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 25297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 25307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2532c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2533c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2534c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2535c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2536c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2537c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 25387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 25397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 25407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 25417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 25437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 25457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 25467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 25477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 25487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 25497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 25508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 25515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 25527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 25537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 25547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2555c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 25567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2557c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2558c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 25597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 25607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 25617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2562c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2563c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2564c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2565c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2566c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2567c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2568c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 25697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 25707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2571c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2572c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2573c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2574c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2575c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 25767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2577c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 25787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 25797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2580200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2581200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2582200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2583200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2584200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2585200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2586200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2587200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 258890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 258990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 259090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 259190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 259290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 259390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2594200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2595200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2596200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2597200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2598200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 259990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 260090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2601200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2602200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2603200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2604200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2605200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2606200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2607200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2608fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 26091b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 26101b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 26111b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 26121b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 26131b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 26145d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t previousTimeNanos = convertTimespecToNs(mPreviousTimestamp.mTime); 26155d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t currentTimeNanos = convertTimespecToNs(timestamp.mTime); 26161b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 26175d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ALOGW("retrograde timestamp time corrected, %lld < %lld", 26185d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (long long)currentTimeNanos, (long long)previousTimeNanos); 26195d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mTime = mPreviousTimestamp.mTime; 26201b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26211b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 26221b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 26231b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 262490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 262590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 26264c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 26274c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 26284c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 26294c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 26304c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 26314c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 26324c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 26334c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 26344c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 26354c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 26364c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 26374c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 26385d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (deltaPosition < 0) { 26395d313803bdd61d59f28e518e7a793f33832f1901Andy Hung timestamp.mPosition = mPreviousTimestamp.mPosition; 26405d313803bdd61d59f28e518e7a793f33832f1901Andy Hung deltaPosition = 0; 26415d313803bdd61d59f28e518e7a793f33832f1901Andy Hung } 26425d313803bdd61d59f28e518e7a793f33832f1901Andy Hung#if 0 26435d313803bdd61d59f28e518e7a793f33832f1901Andy Hung // Uncomment this to verify audio timestamp rate. 26445d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t deltaTime = 26455d313803bdd61d59f28e518e7a793f33832f1901Andy Hung convertTimespecToNs(timestamp.mTime) - previousTimeNanos; 26465d313803bdd61d59f28e518e7a793f33832f1901Andy Hung if (deltaTime != 0) { 26475d313803bdd61d59f28e518e7a793f33832f1901Andy Hung const int64_t computedSampleRate = 26485d313803bdd61d59f28e518e7a793f33832f1901Andy Hung deltaPosition * (long long)NANOS_PER_SECOND / deltaTime; 26495d313803bdd61d59f28e518e7a793f33832f1901Andy Hung ALOGD("computedSampleRate:%u sampleRate:%u", 26505d313803bdd61d59f28e518e7a793f33832f1901Andy Hung (unsigned)computedSampleRate, mSampleRate); 26511b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26525d313803bdd61d59f28e518e7a793f33832f1901Andy Hung#endif 26531b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26541b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 26551b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 26561b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 26571b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2658fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2659ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2660ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2661ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2662ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 26632c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2664142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 26652c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2667b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2668b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2669ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2670ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 267123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 267223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 267323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 267423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 267523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 267623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2677ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2678ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2679ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2680ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2681ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2682ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2683ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2684ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2685ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2686ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2687ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2688ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2689ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 26907c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 269189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 269289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 269389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 269489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 269589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 269689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 269789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 269885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2699877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 270089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2701377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2702b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 270389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 27048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 27055a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 270689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 27079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 270889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 270989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 271089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 271189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 271289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27132812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 27142812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 27152812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 27162812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 27172812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 27182812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 27192812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 27202812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 27212812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 27222812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 27232812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 27249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 27259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 27269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 27279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 27289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 27299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2730296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2731296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2732296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2733296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2734296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2735296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2736296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2737296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2738296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2739296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2740296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2741296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2742296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2743296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2744296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2745296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2746296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2747296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2748296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2749296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2750296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2751296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2752296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2753296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2754296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2755296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2756296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2757296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2758296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2759296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2760296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2761296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2762296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2763296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2764296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2765296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2766296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2767296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2768296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2769296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2770296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2771296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2772e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::pendingDuration(int32_t *msec, ExtendedTimestamp::Location location) 2773e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2774e13f8a603867280de9b02ce4839202a182556416Andy Hung if (msec == nullptr || 2775e13f8a603867280de9b02ce4839202a182556416Andy Hung (location != ExtendedTimestamp::LOCATION_SERVER 2776e13f8a603867280de9b02ce4839202a182556416Andy Hung && location != ExtendedTimestamp::LOCATION_KERNEL)) { 2777e13f8a603867280de9b02ce4839202a182556416Andy Hung return BAD_VALUE; 2778e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2779e13f8a603867280de9b02ce4839202a182556416Andy Hung AutoMutex lock(mLock); 2780e13f8a603867280de9b02ce4839202a182556416Andy Hung // inclusive of offloaded and direct tracks. 2781e13f8a603867280de9b02ce4839202a182556416Andy Hung // 2782e13f8a603867280de9b02ce4839202a182556416Andy Hung // It is possible, but not enabled, to allow duration computation for non-pcm 2783e13f8a603867280de9b02ce4839202a182556416Andy Hung // audio_has_proportional_frames() formats because currently they have 2784e13f8a603867280de9b02ce4839202a182556416Andy Hung // the drain rate equivalent to the pcm sample rate * framesize. 2785e13f8a603867280de9b02ce4839202a182556416Andy Hung if (!isPurePcmData_l()) { 2786e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; 2787e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2788e13f8a603867280de9b02ce4839202a182556416Andy Hung ExtendedTimestamp ets; 2789e13f8a603867280de9b02ce4839202a182556416Andy Hung if (getTimestamp_l(&ets) == OK 2790e13f8a603867280de9b02ce4839202a182556416Andy Hung && ets.mTimeNs[location] > 0) { 2791e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t diff = ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT] 2792e13f8a603867280de9b02ce4839202a182556416Andy Hung - ets.mPosition[location]; 2793e13f8a603867280de9b02ce4839202a182556416Andy Hung if (diff < 0) { 2794e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = 0; 2795e13f8a603867280de9b02ce4839202a182556416Andy Hung } else { 2796e13f8a603867280de9b02ce4839202a182556416Andy Hung // ms is the playback time by frames 2797e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t ms = (int64_t)((double)diff * 1000 / 2798e13f8a603867280de9b02ce4839202a182556416Andy Hung ((double)mSampleRate * mPlaybackRate.mSpeed)); 2799e13f8a603867280de9b02ce4839202a182556416Andy Hung // clockdiff is the timestamp age (negative) 2800e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t clockdiff = (mState != STATE_ACTIVE) ? 0 : 2801e13f8a603867280de9b02ce4839202a182556416Andy Hung ets.mTimeNs[location] 2802e13f8a603867280de9b02ce4839202a182556416Andy Hung + ets.mTimebaseOffset[ExtendedTimestamp::TIMEBASE_MONOTONIC] 2803e13f8a603867280de9b02ce4839202a182556416Andy Hung - systemTime(SYSTEM_TIME_MONOTONIC); 2804e13f8a603867280de9b02ce4839202a182556416Andy Hung 2805e13f8a603867280de9b02ce4839202a182556416Andy Hung //ALOGV("ms: %lld clockdiff: %lld", (long long)ms, (long long)clockdiff); 2806e13f8a603867280de9b02ce4839202a182556416Andy Hung static const int NANOS_PER_MILLIS = 1000000; 2807e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (int32_t)(ms + clockdiff / NANOS_PER_MILLIS); 2808e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2809e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2810e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2811e13f8a603867280de9b02ce4839202a182556416Andy Hung if (location != ExtendedTimestamp::LOCATION_SERVER) { 2812e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; // LOCATION_KERNEL is not available 2813e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2814e13f8a603867280de9b02ce4839202a182556416Andy Hung // use server position directly (offloaded and direct arrive here) 2815e13f8a603867280de9b02ce4839202a182556416Andy Hung updateAndGetPosition_l(); 2816e13f8a603867280de9b02ce4839202a182556416Andy Hung int32_t diff = (Modulo<uint32_t>(mFramesWritten) - mPosition).signedValue(); 2817e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (diff <= 0) ? 0 2818e13f8a603867280de9b02ce4839202a182556416Andy Hung : (int32_t)((double)diff * 1000 / ((double)mSampleRate * mPlaybackRate.mSpeed)); 2819e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2820e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2821e13f8a603867280de9b02ce4839202a182556416Andy Hung 282265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hungbool AudioTrack::hasStarted() 282365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung{ 282465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung AutoMutex lock(mLock); 282565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung switch (mState) { 282665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_STOPPED: 282765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (isOffloadedOrDirect_l()) { 282865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // check if we have started in the past to return true. 282965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return mStartUs > 0; 283065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 283165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // A normal audio track may still be draining, so 283265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // check if stream has ended. This covers fasttrack position 283365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // instability and start/stop without any data written. 283465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (mProxy->getStreamEndDone()) { 283565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return true; 283665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 283765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // fall through 283865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_ACTIVE: 283965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_STOPPING: 284065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung break; 284165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_PAUSED: 284265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_PAUSED_STOPPING: 284365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung case STATE_FLUSHED: 284465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return false; // we're not active 284565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung default: 284665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung LOG_ALWAYS_FATAL("Invalid mState in hasStarted(): %d", mState); 284765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung break; 284865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 284965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung 285065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // wait indicates whether we need to wait for a timestamp. 285165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // This is conservatively figured - if we encounter an unexpected error 285265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung // then we will not wait. 285365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung bool wait = false; 285465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (isOffloadedOrDirect_l()) { 285565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung AudioTimestamp ts; 285665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung status_t status = getTimestamp_l(ts); 285765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (status == WOULD_BLOCK) { 285865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = true; 285965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } else if (status == OK) { 286065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = (ts.mPosition == 0 || ts.mPosition == mStartTs.mPosition); 286165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 286265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ALOGV("hasStarted wait:%d ts:%u start position:%lld", 286365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (int)wait, 286465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ts.mPosition, 286565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (long long)mStartTs.mPosition); 286665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } else { 286765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung int location = ExtendedTimestamp::LOCATION_SERVER; // for ALOG 286865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ExtendedTimestamp ets; 286965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung status_t status = getTimestamp_l(&ets); 287065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (status == WOULD_BLOCK) { // no SERVER or KERNEL frame info in ets 287165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = true; 287265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } else if (status == OK) { 287365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung for (location = ExtendedTimestamp::LOCATION_KERNEL; 287465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung location >= ExtendedTimestamp::LOCATION_SERVER; --location) { 287565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung if (ets.mTimeNs[location] < 0 || mStartEts.mTimeNs[location] < 0) { 287665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung continue; 287765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 287865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung wait = ets.mPosition[location] == 0 287965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung || ets.mPosition[location] == mStartEts.mPosition[location]; 288065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung break; 288165ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 288265ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 288365ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung ALOGV("hasStarted wait:%d ets:%lld start position:%lld", 288465ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (int)wait, 288565ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (long long)ets.mPosition[location], 288665ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung (long long)mStartEts.mPosition[location]); 288765ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung } 288865ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung return !wait; 288965ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung} 289065ffdfc7e92f9900d72bf6dc0b7f4e1231d4da03Andy Hung 28919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 28929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 28937c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 28949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 28959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 28969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 28979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 28989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 28999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 29009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 29019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 290289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 290389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 290489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2905598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2906598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 29073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 29093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 29103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 291189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 291289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 291389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 291489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 291589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 29173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 29183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 29193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 29203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 29213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 29223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2923598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2924598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2925598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2926598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 29275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 29285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 29295a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 29305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 29315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 29325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 29339d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 29345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 29355a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 29363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 29377985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 29387985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 29397985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 29407c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 29419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 29429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 29439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 29449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 29455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 29469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 29479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 29489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 29495a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 29503c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 29513c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 29525a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 29539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 295434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 29555a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 29569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2957ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 295889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 295989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 29613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 29633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2964598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 29653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 29663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 29673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 29683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 29703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 29713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 29723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 29733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 29743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 29753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2976598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 29779d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 29783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 29799d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 29803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 29813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 29823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 29833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 29843c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 29853c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 29863c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 2987a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 2988a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 2989a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 29903c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 2991a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 2992a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 2993a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 2994a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 2995a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 29963c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 29973c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 29983c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 29995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 30005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 30015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 30025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 30035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 30045a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 30055a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 300640bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 3007