AudioTrack.cpp revision ea38ee7742e799b23bd8675f5801ef72f94de0f4
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 53a7f03353d5f172016f324e2a01f301cca6794152Andy Hungstatic inline nsecs_t framesToNanoseconds(ssize_t frames, uint32_t sampleRate, float speed) 54a7f03353d5f172016f324e2a01f301cca6794152Andy Hung{ 55a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ((double)frames * 1000000000) / ((double)sampleRate * speed); 56a7f03353d5f172016f324e2a01f301cca6794152Andy Hung} 57a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t convertTimespecToUs(const struct timespec &tv) 597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000; 617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung// current monotonic time in microseconds. 647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t getNowUs() 657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung struct timespec tv; 677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (void) clock_gettime(CLOCK_MONOTONIC, &tv); 687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return convertTimespecToUs(tv); 697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// FIXME: we don't use the pitch setting in the time stretcher (not working); 7226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// instead we emulate it using our sample rate converter. 7326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic const bool kFixPitch = true; // enable pitch fix 7426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline uint32_t adjustSampleRate(uint32_t sampleRate, float pitch) 7526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 7626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? (sampleRate * pitch + 0.5) : sampleRate; 7726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 7826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 7926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustSpeed(float speed, float pitch) 8026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 816c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return kFixPitch ? speed / max(pitch, AUDIO_TIMESTRETCH_PITCH_MIN_DELTA) : speed; 8226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 8326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 8426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustPitch(float pitch) 8526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 8626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? AUDIO_TIMESTRETCH_PITCH_NORMAL : pitch; 8726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 8826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// Must match similar computation in createTrack_l in Threads.cpp. 908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// TODO: Move to a common library 918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungstatic size_t calculateMinFrameCount( 928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatencyMs, uint32_t afFrameCount, uint32_t afSampleRate, 93ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten uint32_t sampleRate, float speed /*, uint32_t notificationsPerBufferReq*/) 948edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 958edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Ensure that buffer depth covers at least audio hardware latency 968edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t minBufCount = afLatencyMs / ((1000 * afFrameCount) / afSampleRate); 978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (minBufCount < 2) { 988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung minBufCount = 2; 998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 100ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten#if 0 101ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // The notificationsPerBufferReq parameter is not yet used for non-fast tracks, 102ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // but keeping the code here to make it easier to add later. 103ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (minBufCount < notificationsPerBufferReq) { 104ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minBufCount = notificationsPerBufferReq; 105ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 106ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten#endif 1078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("calculateMinFrameCount afLatency %u afFrameCount %u afSampleRate %u " 108ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten "sampleRate %u speed %f minBufCount: %u" /*" notificationsPerBufferReq %u"*/, 109ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten afLatencyMs, afFrameCount, afSampleRate, sampleRate, speed, minBufCount 110ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten /*, notificationsPerBufferReq*/); 1118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return minBufCount * sourceFramesNeededWithTimestretch( 1128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung sampleRate, afFrameCount, afSampleRate, speed); 1138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 1148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 11533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 11633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 117e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 118fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 11933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 12033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 121d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 122d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 123d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 12404cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 1250e48d25606c82def035ad10a5b3923767a765cddAndy Hung // FIXME handle in server, like createTrack_l(), possible missing info: 126e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 127e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 128e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 1290e48d25606c82def035ad10a5b3923767a765cddAndy Hung // audio_output_flags_t flags (FAST) 1303b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 13166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 13266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 13366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 13470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 13570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 13666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 13733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 138e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 13966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 14066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 14170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 14270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 14366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 14433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 14533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 14666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 14766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 14870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 14970c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 15066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 15133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 15233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // When called from createTrack, speed is 1.0f (normal speed). 1548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // This is rechecked again on setting playback rate (TODO: on setting sample rate, too). 155ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten *frameCount = calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, 1.0f 156ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten /*, 0 notificationsPerBufferReq*/); 15733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1580e48d25606c82def035ad10a5b3923767a765cddAndy Hung // The formula above should always produce a non-zero value under normal circumstances: 1590e48d25606c82def035ad10a5b3923767a765cddAndy Hung // AudioTrack.SAMPLE_RATE_HZ_MIN <= sampleRate <= AudioTrack.SAMPLE_RATE_HZ_MAX. 1600e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Return error in the unlikely event that it does not, as that's part of the API contract. 16166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 1620e48d25606c82def035ad10a5b3923767a765cddAndy Hung ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %u", 16366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 16466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 16566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 1668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, afSampleRate=%u, afLatency=%u", 1678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount, afFrameCount, afSampleRate, afLatency); 16833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 16933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 174879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1759b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 1764ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1777064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 178aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 179aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 181faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 182faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 183faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 184faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 188fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 190e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 19128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 192bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1930ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 196ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten int32_t notificationFrames, 197d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 198ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 199462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 200d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 201d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 202faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 203ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 204ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 205879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2069b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 2074ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2087064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 209aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 210aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2120d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 213a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 214462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 215ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung offloadInfo, uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed); 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 218c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 219fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 221e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 22228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 2240ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 227ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten int32_t notificationFrames, 228d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 229ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 230462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 231d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 232d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 233faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 234ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 235ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 236879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2379b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 2384ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2397064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 240aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 241aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2430d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 24417a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 245d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 246ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed); 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 257b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 262296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent // No lock here: worst case we remove a NULL callback which will be a nop 263296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 264296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 265296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 266f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 26753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2683bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2693bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2714c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2724c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 273d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 278fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 280e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 28128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 282bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2830ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 286ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten int32_t notificationFrames, 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 288be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 289d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 290ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 291462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 292d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 293faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 294faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 295ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 296ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 298bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 299ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten "flags #%x, notificationFrames %d, sessionId %d, transferType %d, uid %d, pid %d", 300bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 3014c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 30286f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 30333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mThreadCanCallJava = threadCanCallJava; 30433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 3239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 3299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 3309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 3319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 338dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 340faeb0f291330134dc4468359a36e099aae508449Ronghua Wu mDoNotReconnect = doNotReconnect; 3419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 34297c9f4fd7bc31e2968d816402659ba1c64f10b42Eric Laurent ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %zu", sharedBuffer->pointer(), 34385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3461a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 34753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3481dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 34929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 354e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 355fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 357faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 358223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 359faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 360faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 361faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 362faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 363e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 364faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 365faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 366faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 367faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 368faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 369e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 370c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 371c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 372c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 37333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if ((mAttributes.flags & AUDIO_FLAG_LOW_LATENCY) != 0) { 37433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk flags = (audio_output_flags_t) (flags | AUDIO_OUTPUT_FLAG_FAST); 37533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 376dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 377ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 379e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 380fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 381fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk } else if (format == AUDIO_FORMAT_IEC61937) { // HDMI pass-through? 382fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk mAttributes.flags |= AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO; 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 386fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 387cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 390dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3928ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3938ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3948ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3958ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 396e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 397e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 398e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3998ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 400c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 401b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 402b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 403b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 404b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 4070ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 4083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 4090ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 410c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 411c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 412d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 413d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 414d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 415d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 416d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 417b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 418fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(format)) { 419b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 420b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 421b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 422b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 423e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 424fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk ALOG_ASSERT(audio_has_proportional_frames(format)); 425b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 426b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 427b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 428e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 429e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 4300d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 4310d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 4320d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 4330d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 4340d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 4353a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = sampleRate; 4365a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 437ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung // 1.0 <= mMaxRequiredSpeed <= AUDIO_TIMESTRETCH_SPEED_MAX 438ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung mMaxRequiredSpeed = min(max(maxRequiredSpeed, 1.0f), AUDIO_TIMESTRETCH_SPEED_MAX); 4390d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 440b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 441b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 442b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 443b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 444b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 445b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 446b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 447b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 448b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 449b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 45066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 45166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 45205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 453396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 454b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 455ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (notificationFrames >= 0) { 456ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationFramesReq = notificationFrames; 457ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationsPerBufferReq = 0; 458ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 459ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 460ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("notificationFrames=%d not permitted for non-fast track", 461ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten notificationFrames); 462ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten return BAD_VALUE; 463ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 464ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (frameCount > 0) { 465ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("notificationFrames=%d not permitted with non-zero frameCount=%zu", 466ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten notificationFrames, frameCount); 467ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten return BAD_VALUE; 468ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 469ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationFramesReq = 0; 470ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten const uint32_t minNotificationsPerBuffer = 1; 471ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten const uint32_t maxNotificationsPerBuffer = 8; 472ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationsPerBufferReq = min(maxNotificationsPerBuffer, 473ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten max((uint32_t) -notificationFrames, minNotificationsPerBuffer)); 474ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGW_IF(mNotificationsPerBufferReq != (uint32_t) -notificationFrames, 475ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten "notificationFrames=%d clamped to the range -%u to -%u", 476ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten notificationFrames, minNotificationsPerBuffer, maxNotificationsPerBuffer); 477ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 479caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 480d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId = (audio_session_t) AudioSystem::newAudioUniqueId(AUDIO_UNIQUE_ID_USE_SESSION); 481caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 482caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 483caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 484d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 485d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 486d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 487462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 488462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 489462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 490462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 491d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 492d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 493d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 494d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 495d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4962beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 497ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mOrigFlags = mFlags = flags; 4984a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 499be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 500a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 501896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 502a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 503bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 504a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 505a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 50634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 5070d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 508a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 50934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 510a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 511b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 513a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 514a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 5204ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 5214ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 5224ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 52353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 5252c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 528200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 529200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 5307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 531d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 5329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 5351b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 536c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 537c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5382812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = 0; 539ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten = 0; 540ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWrittenServerOffset = 0; 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 547b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 549f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 550b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 5562b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 559b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 560b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 561b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 562b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 563200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 566200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5671b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 568c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 569c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5701b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 571e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // read last server side position change via timestamp. 572e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ExtendedTimestamp ets; 573e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (mProxy->getTimestamp(&ets) == OK && 574e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ets.mTimeNs[ExtendedTimestamp::LOCATION_SERVER] > 0) { 575e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // Server side has consumed something, but is it finished consuming? 576e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // It is possible since flush and stop are asynchronous that the server 577e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // is still active at this point. 578e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ALOGV("start: server read:%lld cumulative flushed:%lld client written:%lld", 579e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)(mFramesWrittenServerOffset 580e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung + ets.mPosition[ExtendedTimestamp::LOCATION_SERVER]), 581e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)ets.mFlushed, 582e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)mFramesWritten); 583e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mFramesWrittenServerOffset = -ets.mPosition[ExtendedTimestamp::LOCATION_SERVER]; 58461be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung } 585e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mFramesWritten = 0; 586e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mProxy->clearTimestamp(); // need new server push for valid timestamp 587e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mMarkerReached = false; 58861be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 5897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 595ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 596ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 597ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 599200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 60096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 61379629f0716f04e79064256362be56730077b8c50Andy Hung // resume or pause the callback thread as needed. 61479629f0716f04e79064256362be56730077b8c50Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 61579629f0716f04e79064256362be56730077b8c50Andy Hung if (status == NO_ERROR) { 61679629f0716f04e79064256362be56730077b8c50Andy Hung if (t != 0) { 61779629f0716f04e79064256362be56730077b8c50Andy Hung if (previousState == STATE_STOPPING) { 61879629f0716f04e79064256362be56730077b8c50Andy Hung mProxy->interrupt(); 61979629f0716f04e79064256362be56730077b8c50Andy Hung } else { 62079629f0716f04e79064256362be56730077b8c50Andy Hung t->resume(); 62179629f0716f04e79064256362be56730077b8c50Andy Hung } 62279629f0716f04e79064256362be56730077b8c50Andy Hung } else { 62379629f0716f04e79064256362be56730077b8c50Andy Hung mPreviousPriority = getpriority(PRIO_PROCESS, 0); 62479629f0716f04e79064256362be56730077b8c50Andy Hung get_sched_policy(0, &mPreviousSchedulingGroup); 62579629f0716f04e79064256362be56730077b8c50Andy Hung androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 62679629f0716f04e79064256362be56730077b8c50Andy Hung } 62779629f0716f04e79064256362be56730077b8c50Andy Hung } else { 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 631b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 632b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 633b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 635879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 636a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 640b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 646397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 65023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 651b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 652b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 653b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 654c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 655b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 656b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 65961be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 66061be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 66161be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6629b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6649b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6659b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6669b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 668b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 67123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 672b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6829a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6944bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 701c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7022c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 7032c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 7042c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 7052c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 706b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 707c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 709c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 71023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 711b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 7144bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 719f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 720b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 721b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 722b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 723b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 724b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 7297064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 7303a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 731142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 7337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 7347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 7357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 7367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 7377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 7397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 7407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 7427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7437064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 7447064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 7457064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 7467064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7477064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 750be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 752c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 753c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 754c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 755be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 756be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 757be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 75966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 76066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 762c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 763be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 76423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 76559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 76659fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 767be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 770b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 772b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 773be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 774be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7752beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 776be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 777c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 778c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 779be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 780be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 781be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 783be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 784e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 785be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 786be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 787be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 788be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 789a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 790be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 791be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 793be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7963b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7985cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7995cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 8005cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 8015cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 802d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 8034ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 8044ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 8050d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 8060d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 8070d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 8085cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 8095cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 8110d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 812573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 81426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8155a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 81626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 817d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 818d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8198edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 821e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 82226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 823e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 824573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 827a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8306f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 8316f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 8326f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 8336f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 834ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 835142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 8366f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 837b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 8386f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 8396f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 8406f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8416f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8426f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 843e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8463a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 8473a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 8483a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 8493a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8503a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8545a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 857d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l()) { 8588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8628edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 863ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 864ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (input): mSampleRate:%u mSpeed:%f mPitch:%f", 865ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung mSampleRate, playbackRate.mSpeed, playbackRate.mPitch); 86626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8675a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8685a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8695a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 8706c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8716c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8726c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8736c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 874ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (effective): mSampleRate:%u mSpeed:%f mPitch:%f", 875ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung effectiveRate, effectiveSpeed, effectivePitch); 876ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 8776c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 878ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate(%f, %f) failed (effective rate out of bounds)", 879ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 88026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 88126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 8828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 88326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 884ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate(%f, %f) failed (buffer size)", 885ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 8868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8885a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8896c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 890e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 8916c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 8926c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8936c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8946c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8956c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 896e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 8976c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 8986c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8996c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 9006c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 9016c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 9026c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 9035a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 90426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 9058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 9068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 9078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 9085a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 9098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 9108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 9115a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 9128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 9138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 914c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::getBufferSizeInFrames() 915c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 916c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 917c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 918c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 919c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 920e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->getBufferSizeInFrames(); 921c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 922c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 923f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hungstatus_t AudioTrack::getBufferDurationInUs(int64_t *duration) 924f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung{ 925f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (duration == nullptr) { 926f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return BAD_VALUE; 927f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 928f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung AutoMutex lock(mLock); 929f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 930f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return NO_INIT; 931f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 932f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung ssize_t bufferSizeInFrames = (ssize_t) mProxy->getBufferSizeInFrames(); 933f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung if (bufferSizeInFrames < 0) { 934f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return (status_t)bufferSizeInFrames; 935f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung } 936f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung *duration = (int64_t)((double)bufferSizeInFrames * 1000000 937f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung / ((double)mSampleRate * mPlaybackRate.mSpeed)); 938f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung return NO_ERROR; 939f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung} 940f2c87b3f88d987d2af6322e9763eb8224a2bae48Andy Hung 941c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::setBufferSizeInFrames(size_t bufferSizeInFrames) 942c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 943c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 944c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 945c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 946c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 947c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // Reject if timed track or compressed audio. 948d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (!audio_is_linear_pcm(mFormat)) { 949c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return INVALID_OPERATION; 950c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 951e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->setBufferSizeInFrames((uint32_t) bufferSizeInFrames); 952c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 953c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 956d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 957083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 958083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 959083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 9619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 9649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 973c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 9749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 9799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9804ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 9814ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9824ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 9834ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 9844ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 98553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 9869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 9873c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9883c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 9899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 993fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 994ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 995d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 996d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 10002c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10023c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 10033c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 10043c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 10053c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1009a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1011ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1012b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 1013b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1014d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 1015d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1016d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 101990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1026fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 1027ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 1028d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1029d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 1032200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 10342b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 10353c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 10363c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 10373c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 10383c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1042a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1044ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1045b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 1046b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1047d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 1048d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1049d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1059d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1060d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1061d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 10639c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10649c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10659c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 10689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 10719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1075d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10769b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 1077200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 10789b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 10793c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 10803c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1084200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1086d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 1087d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1088d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10917a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // FIXME: offloaded and direct tracks call into the HAL for render positions 10927a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // for compressed/synced data; however, we use proxy position for pure linear pcm data 10937a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // as we do not know the capability of the HAL for pcm position support and standby. 10947a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // There may be some latency differences between the HAL position and the proxy position. 10957a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung if (isOffloadedOrDirect_l() && !isPurePcmData_l()) { 1096b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1098ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 10997064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 11007064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 11017064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 11027064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 11037064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1104142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 11051f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 11061f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 11071f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1108b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 11097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 11107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1111b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1112b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1113275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 11141f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 11151f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 11161f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1117275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1118275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1119b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1120200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 112190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1122b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1126377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 11279c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 1128d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0) { 11299c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 11309c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 11319c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 11329c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 11339c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 11349c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 11379c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 11389c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 11399c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1142d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1143083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1144083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1145083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 11461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1149d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1150d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 11529b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 11539b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 11541b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 115553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 11569b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 115753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 115853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 115953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 116053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 116153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 116253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 116353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 11649b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116838e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1169c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 11701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1171b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 11721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 11731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1174aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1175aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1176aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1177aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1178493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1179aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1180493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1181aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1182aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1183aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1184aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1185aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1186aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1187aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1188296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1189296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1190296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1191296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1192296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1193296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1194296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1195296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1196be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1197be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11992beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 12002beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 12012beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 12022beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 12032beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1204be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1205be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1206e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1207e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1208e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1209e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1210e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1211e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1212e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1213e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1217200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 121834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 121934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 122034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1221e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1222e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 122334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 122434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1225296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1226296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1227296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1228e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1229e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1230e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1231e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1232ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // mFlags (not mOrigFlags) is modified depending on whether fast request is accepted. 1233ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // After fast request is denied, we will request again if IAudioTrack is re-created. 1234ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 1235aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1236aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1237d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId, &streamType, mClientUid, 1238aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1239aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1240e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1241e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 12424c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 12435bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 12444c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 124538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 124638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 124738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 124838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 124938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 125038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1251ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 12529f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1253ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 125538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1256d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 12579f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1258d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 12599f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1260ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1261b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 126238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1263ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1264ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1265ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // TODO consider making this a member variable if there are other uses for it later 1266ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t afFrameCountHAL; 1267ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten status = AudioSystem::getFrameCountHAL(output, &afFrameCountHAL); 1268ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (status != NO_ERROR) { 1269ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("getFrameCountHAL(output=%d) status %d", output, status); 1270ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten goto release; 1271ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1272ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOG_ASSERT(afFrameCountHAL > 0); 1273ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten 12749f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1275ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1276b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 127738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1278ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 12790d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 12809f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 12819f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 12820d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 12837fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 1284d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 128533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 128633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool useCaseAllowed = 12874a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 12884a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1289363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1290c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 12911dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 12921dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 129333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk (mTransfer == TRANSFER_OBTAIN) || 129433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // use case 4: synchronous write 129533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ((mTransfer == TRANSFER_SYNC) && mThreadCanCallJava); 129633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // sample rates must also match 129733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool fastAllowed = useCaseAllowed && (mSampleRate == mAfSampleRate); 129833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!fastAllowed) { 12997fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, " 130033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk "track %u Hz, output %u Hz", 13019f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 130233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 130333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 13044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 13054a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1306d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1307e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1308363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1309fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (!audio_has_proportional_frames(mFormat)) { 1310e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1311363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1312e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1313363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1314e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 13159f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1316d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1317b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1318b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1319b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1320363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1321abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1322abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1323abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1324abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1325b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1326abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1327b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1328b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1329a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1330e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1331e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1332e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13331d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1334a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1335363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 133638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 133738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1338e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1339e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1340e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1341e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1342e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1343e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1344abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1345e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 1346ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t minFrameCount = 0; 1347ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // For fast tracks the frame count calculations and checks are mostly done by server, 1348ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // but we try to respect the application's request for notifications per buffer. 1349ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1350ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationsPerBufferReq > 0) { 1351ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // Avoid possible arithmetic overflow during multiplication. 1352ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // mNotificationsPerBuffer is clamped to a small integer earlier, so it is unlikely. 1353ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationsPerBufferReq > SIZE_MAX / afFrameCountHAL) { 1354ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGE("Requested notificationPerBuffer=%u ignored for HAL frameCount=%zu", 1355ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten mNotificationsPerBufferReq, afFrameCountHAL); 1356ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1357ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minFrameCount = afFrameCountHAL * mNotificationsPerBufferReq; 1358ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1359ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1360ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 13618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 1362ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung const float speed = !isPurePcmData_l() || isOffloadedOrDirect_l() ? 1.0f : 1363ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung max(mMaxRequiredSpeed, mPlaybackRate.mSpeed); 1364ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten minFrameCount = calculateMinFrameCount( 13659f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 1366ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten speed /*, 0 mNotificationsPerBufferReq*/); 1367ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 1368ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (frameCount < minFrameCount) { 1369ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten frameCount = minFrameCount; 13708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1371d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1372d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1373a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 13743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 13753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1376363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 13774a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 137833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mAudioTrackThread != 0 && !mThreadCanCallJava) { 13793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 13803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 13814a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 13824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1383363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1384b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1385b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1386b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1387ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1388ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1389ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1390ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 139174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 139274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1393d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t originalSessionId = mSessionId; 1394e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1395363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1396abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1397a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 139874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1399e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1400363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 140134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 14023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1403be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1404462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 140534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1406138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1407138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 140834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1409c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 141029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 141138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 141234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1413c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1414c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 141538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 141638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 141738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 14187fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // FIXME compare to AudioRecord 1419d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1420d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 142129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 142234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 142334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 14240cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 14250cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 14260cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 14270cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 14280cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 142953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1431f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 143434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1435d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 14363bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 14373bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 14380cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1439d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 144074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1441b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1442b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1443b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1444b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 144534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1446b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1447b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 14485f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1449a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1450363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1451e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 145234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 145333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!mThreadCanCallJava) { 145433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mAwaitBoost = true; 145533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 14563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1457ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1458363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1459e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 14603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14617fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 14627fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // Make sure that application is notified with sufficient margin before underrun. 1463ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // The client can divide the AudioTrack buffer into sub-buffers, 1464ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // and expresses its desire to server as the notification frame count. 14650e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 1466ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten size_t maxNotificationFrames; 1467ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1468ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // notify every HAL buffer, regardless of the size of the track buffer 1469ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames = afFrameCountHAL; 1470ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1471ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // For normal tracks, use double-buffering 1472ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten const int nBuffering = 2; 1473ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames = frameCount / nBuffering; 14747fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten } 14757fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > maxNotificationFrames) { 1476ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten if (mNotificationFramesAct == 0) { 1477ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGD("Client defaulted notificationFrames to %zu for frameCount %zu", 1478ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten maxNotificationFrames, frameCount); 1479ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } else { 1480ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten ALOGW("Client adjusted notificationFrames from %u to %zu for frameCount %zu", 14817fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct, maxNotificationFrames, frameCount); 1482ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten } 14837fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct = (uint32_t) maxNotificationFrames; 14840e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 14850e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 148738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 148838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1496363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1497138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 149834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1499363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1500138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1501138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1502138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1503138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 150434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 150534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 15062beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 15078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1508e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 15099f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 15105f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1511b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1512093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1513093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1514b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1515b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1516093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1517e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1518d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1519d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1520d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1521e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1522363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1524abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1526abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1529e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1530e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1531e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1532e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1533e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1534e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 15355a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 15365a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 15375a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 153826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 15395a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 15405a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 15415a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 15425a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 15435a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1547f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1548e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1549296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1550296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1551296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1552296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 155334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 155438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 155538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 155638e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1557d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten AudioSystem::releaseOutput(output, streamType, mSessionId); 155838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 155938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 156038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 156138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 156234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 156334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1564b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 156589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1567551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1568551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1569551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1576551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1577551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1578551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1583df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1597b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1606e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 16211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1630b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1631b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16384d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if (status == NOT_ENOUGH_DATA) { 16394d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 16404d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } 16414d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1646b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1647b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1648b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1649b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1650b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1651b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1652b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1653b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 165789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 16644d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } while (((status == DEAD_OBJECT) || (status == NOT_ENOUGH_DATA)) && (tryCounter-- > 0)); 166589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1667abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 167189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 167389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 167489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 167554a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 167689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16773f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1682abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1690e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 16911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1692200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 16974d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 16984d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent} 16994d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 17004d231dc0ee34380956c71cbe18a750e487a69601Eric Laurentvoid AudioTrack::restartIfDisabled() 17014d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent{ 17024d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 17034d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if ((mState == STATE_ACTIVE) && (flags & CBLK_DISABLED)) { 17044d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 17054d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent // FIXME ignoring status 17064d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent mAudioTrack->start(); 1707df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 170889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 170989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 171089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 171189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1712720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 171389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1714d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mTransfer != TRANSFER_SYNC) { 1715d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1716d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 171789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1718ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1719ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1720ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1721ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1722ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1723ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1724ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1725ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1726ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1727ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 172999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 173099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1731377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 173289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 173389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 173489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 173689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 173789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1740c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1741720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1742720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 174389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 174589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1746d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 174789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 174889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 174989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1750ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1751abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 175389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 175489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 175589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 175889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1759ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (written > 0) { 1760ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += written / mFrameSize; 1761ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 176289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 176389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 176489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 176689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17677c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1769fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1770fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1771fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1772fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1773fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 17741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1775a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1776a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1777a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1778a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1779a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1780a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1781a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1782a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1783a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1784a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1785a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1786a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1787a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1788a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1789a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1790a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1791a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1792b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1793b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1794a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 17951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 179896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1799a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1802b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1803b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1804b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1805ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1806f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1807f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 180853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 180953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 181189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1812c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1813b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 181589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 183489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 183589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 183790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 183989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 184190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 184290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 184390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 18449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 184990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 185090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 185390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 18595a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1860a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1867b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 186896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 187053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 187153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 187253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 187353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 187453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 187553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 187653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 187753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 187853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 187953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 188053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 188153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 188253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 188353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 188453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 188553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 188653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 188753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 188853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 188953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 189053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 189153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1893abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 18959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1898a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1899a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1900a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1901b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1902a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1903a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1904a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1905a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1906b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1907b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1908b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1909b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 191096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1911b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1912b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1913b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1914b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 191539609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 191639609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 191739609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 191839609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 191939609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 192096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 192196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 192296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 192396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 192496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 192596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 192696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 192796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1928c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1929b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1930b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 193196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 193296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 193396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 193496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1935b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 193696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1937b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1938b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 19399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 19409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 19419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 19429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 194353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 19449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 194553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 19469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 19499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 19529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 195490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 19559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 19569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 19579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 19589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1959b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 19629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1963b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1964ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1965b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1966b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 196789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 196889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 19709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 19719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 197289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 197389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 19769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 197890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 19799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 19812d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 19829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 19839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19842d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 198590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 198689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 198789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 19899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 19909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 19919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 19922267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 19932267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 1994a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 1995a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 1996a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 1997a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 19999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 20009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 2001a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 2002a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 2003a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 2004a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 20059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 20089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 20099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 20109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 201189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2012a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 2013a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 2014a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 2015a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 2016a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 2017a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 2018a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 20199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 20209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 20219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 20229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 20239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 20249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 20259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 20269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2028ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung size_t writtenFrames = 0; 20299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 2030c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 20319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 20329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 20339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 20349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 20359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 203634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 20379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 20389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 203934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 2040b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 20419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 2042b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 2043b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 2044606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 2045606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 204689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 20489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 204989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2051fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (mRetryOnPartialBuffer && audio_has_proportional_frames(mFormat)) { 20529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 20539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 2054a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 2055a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2056a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2057a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2058a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2059a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 20639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2064d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 206589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 206689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 206789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 20689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 206989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 207089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 207234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 207334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 20749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 20759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 20788555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 20798555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 20808555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 20818555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 2082a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2083a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 2084a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 2085a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 2086a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 2087a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2088a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 2089a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 2090a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 2091a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2092a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 2093a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 2094a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 2095a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2096a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 2097fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(mFormat)) { 2098a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 2099a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2100a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2101a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2102ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten // FIXME: use mAfFrameCountHAL instead of mAfFrameCount below for fast tracks. 2103a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2104a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2105a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2106a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2107a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2108a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2109a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2110a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2111a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2112a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2113a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2114a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2115a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2116a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2117a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2118a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2119d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 212089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2121138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 21229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 21239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 21249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 21259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 21269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 21279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 21289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 212989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 213089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 2131ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung writtenFrames += releasedFrames; 213289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 21349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 21359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 21369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 21379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 21409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 21419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 21429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 21459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 21469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 21479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 21489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 21499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 21508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 21519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 21539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 215489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2155ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (writtenFrames > 0) { 2156ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2157ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += writtenFrames; 2158ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 21599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 21609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 21619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 21639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 216489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 216589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 21671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2168b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2169ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 21709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 21711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2172a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2173d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2174a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2175a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2176faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 21771f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 21781f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2179b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2180b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2181b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 21822812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 21832812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 21842812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2185200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 21864ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 21874ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 21884ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21894ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 21904ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2191200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2192ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mFlags = mOrigFlags; 2193ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 2194200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2195a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2196200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2197200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2198ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2199cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2200a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2201d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2202d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2203d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2204d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2205d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2206d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 22074ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 22084ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 22094ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 22104ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 22114ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 22124ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 22134ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 221453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 221553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 221653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 22171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2220a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 2221ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWrittenServerOffset = mFramesWritten; // server resets to zero so we offset 22221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 22259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 22269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2227c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 22281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 22291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 22301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 22311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 22321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 223390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2234200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2235200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 223690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 223790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2238200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2239200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2240200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2241200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2242200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2243200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2244200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2245200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 224690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 224790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 224890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2249039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 225090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 225190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 225290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 225390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2254200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2255200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 22568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 22578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 22588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 22598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 22608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 22618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 22628edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 2263ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed 2264ea38ee7742e799b23bd8675f5801ef72f94de0f4Glenn Kasten /*, 0 mNotificationsPerBufferReq*/); 22658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 22668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 22678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 22688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 22698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2270ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2271ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2272ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 227353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2274ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2275ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2276ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hungstatus_t AudioTrack::getTimestamp(ExtendedTimestamp *timestamp) 2277ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung{ 2278ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (timestamp == nullptr) { 2279ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return BAD_VALUE; 2280ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2281ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2282e13f8a603867280de9b02ce4839202a182556416Andy Hung return getTimestamp_l(timestamp); 2283e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2284e13f8a603867280de9b02ce4839202a182556416Andy Hung 2285e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::getTimestamp_l(ExtendedTimestamp *timestamp) 2286e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2287ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (mCblk->mFlags & CBLK_INVALID) { 2288ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung const status_t status = restoreTrack_l("getTimestampExtended"); 2289ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (status != OK) { 2290ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 2291ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // recommending that the track be recreated. 2292ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return DEAD_OBJECT; 2293ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2294ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2295ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // check for offloaded/direct here in case restoring somehow changed those flags. 2296ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (isOffloadedOrDirect_l()) { 2297ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return INVALID_OPERATION; // not supported 2298ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2299ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung status_t status = mProxy->getTimestamp(timestamp); 2300e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung LOG_ALWAYS_FATAL_IF(status != OK, "status %d not allowed from proxy getTimestamp", status); 2301ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung bool found = false; 2302e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[ExtendedTimestamp::LOCATION_CLIENT] = mFramesWritten; 2303e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mTimeNs[ExtendedTimestamp::LOCATION_CLIENT] = 0; 2304e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // server side frame offset in case AudioTrack has been restored. 2305e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung for (int i = ExtendedTimestamp::LOCATION_SERVER; 2306e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung i < ExtendedTimestamp::LOCATION_MAX; ++i) { 2307e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (timestamp->mTimeNs[i] >= 0) { 2308e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // apply server offset (frames flushed is ignored 2309e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // so we don't report the jump when the flush occurs). 2310e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[i] += mFramesWrittenServerOffset; 2311e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung found = true; 2312ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2313ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2314ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return found ? OK : WOULD_BLOCK; 2315ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung} 2316ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung 2317ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2318ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 231953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 23201b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23211b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 23221b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 23231b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 23241b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 23267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 23277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 23287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 23297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 23307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 23317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 23327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 23337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 23347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 23357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 23367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 23387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 23397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 23407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2341fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 23427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2343275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 23446653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 23456653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 23466653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 23476653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 23486653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 23496653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2350275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2351275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2352200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2353200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 23546ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung 23556ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status_t status; 2356818e7a32ce3633980138aff2c2bfcc5158b3cfccAndy Hung if (isOffloadedOrDirect_l()) { 23576ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // use Binder to get timestamp 23586ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mAudioTrack->getTimestamp(timestamp); 23596ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } else { 23606ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // read timestamp from shared memory 23616ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung ExtendedTimestamp ets; 23626ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mProxy->getTimestamp(&ets); 23636ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == OK) { 23646ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = ets.getBestTimestamp(×tamp); 23656ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 23666ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == INVALID_OPERATION) { 23676ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = WOULD_BLOCK; 23686ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 23696ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 23707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2371dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 23727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 23737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 23757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 23767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 23777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 23787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 23797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 23807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2383c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2384c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2385c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2386c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2387c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2388c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 23897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 23907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 23917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 23927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 23947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23957f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 23967f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 23977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 23987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 23997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 24007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 24018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 24025a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 24037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 24047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 24057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2406c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 24077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2408c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2409c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 24107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 24117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 24127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2413c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2414c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2415c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2416c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2417c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2418c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2419c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 24207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 24217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2422c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2423c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2424c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2425c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2426c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 24277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2428c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 24297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 24307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2431200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2432200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2433200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2434200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2435200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2436200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2437200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2438200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 243990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 244090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 244190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 244290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 244390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 244490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2445200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2446200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2447200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2448200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2449200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 245090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 245190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2452200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2453200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2454200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2455200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2456200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2457200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2458200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2459fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 24601b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 24611b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 24621b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 24631b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 24641b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 246590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung#define TIME_TO_NANOS(time) ((int64_t)time.tv_sec * 1000000000 + time.tv_nsec) 246690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 246790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 24681b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 24691b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 24701b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 24711b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 24721b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24731b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 24741b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 24751b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 247690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 247790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 24781b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 24791b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 24804c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 24814c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 24824c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 24834c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 24844c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 24854c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 24864c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 24874c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 24884c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 24894c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 24904c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 24914c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 24921b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 24931b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 24941b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24951b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24961b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 24971b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 24981b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24991b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2500fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2501ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2502ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2503ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2504ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 25052c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2506142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 25072c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2508b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2509b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2511ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2512ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 251323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 251423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 251523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 251623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 251723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 251823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2519ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2520ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2521ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2522ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2523ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2524ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2525ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2526ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2527ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2528ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2529ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2530ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2531ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 25327c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 253389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 253489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 253589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 253689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 253789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 253889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 253989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 254085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2541877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 254289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2543377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2544b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 254589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 25468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 25475a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 254889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 25499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 255089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 255189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 255289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 255389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 255489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25552812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 25562812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 25572812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 25582812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 25592812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 25602812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 25612812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 25622812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 25632812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 25642812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 25652812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 25669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 25679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 25689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 25699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 25709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 25719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2572296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2573296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2574296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2575296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2576296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2577296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2578296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2579296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2580296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2581296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2582296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2583296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2584296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2585296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2586296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2587296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2588296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2589296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2590296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2591296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2592296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2593296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2594296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2595296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2596296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2597296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2598296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2599296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2600296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2601296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2602296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2603296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2604296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2605296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2606296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2607296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2608296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2609296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2610296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2611296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2612296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2613296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2614e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::pendingDuration(int32_t *msec, ExtendedTimestamp::Location location) 2615e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2616e13f8a603867280de9b02ce4839202a182556416Andy Hung if (msec == nullptr || 2617e13f8a603867280de9b02ce4839202a182556416Andy Hung (location != ExtendedTimestamp::LOCATION_SERVER 2618e13f8a603867280de9b02ce4839202a182556416Andy Hung && location != ExtendedTimestamp::LOCATION_KERNEL)) { 2619e13f8a603867280de9b02ce4839202a182556416Andy Hung return BAD_VALUE; 2620e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2621e13f8a603867280de9b02ce4839202a182556416Andy Hung AutoMutex lock(mLock); 2622e13f8a603867280de9b02ce4839202a182556416Andy Hung // inclusive of offloaded and direct tracks. 2623e13f8a603867280de9b02ce4839202a182556416Andy Hung // 2624e13f8a603867280de9b02ce4839202a182556416Andy Hung // It is possible, but not enabled, to allow duration computation for non-pcm 2625e13f8a603867280de9b02ce4839202a182556416Andy Hung // audio_has_proportional_frames() formats because currently they have 2626e13f8a603867280de9b02ce4839202a182556416Andy Hung // the drain rate equivalent to the pcm sample rate * framesize. 2627e13f8a603867280de9b02ce4839202a182556416Andy Hung if (!isPurePcmData_l()) { 2628e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; 2629e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2630e13f8a603867280de9b02ce4839202a182556416Andy Hung ExtendedTimestamp ets; 2631e13f8a603867280de9b02ce4839202a182556416Andy Hung if (getTimestamp_l(&ets) == OK 2632e13f8a603867280de9b02ce4839202a182556416Andy Hung && ets.mTimeNs[location] > 0) { 2633e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t diff = ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT] 2634e13f8a603867280de9b02ce4839202a182556416Andy Hung - ets.mPosition[location]; 2635e13f8a603867280de9b02ce4839202a182556416Andy Hung if (diff < 0) { 2636e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = 0; 2637e13f8a603867280de9b02ce4839202a182556416Andy Hung } else { 2638e13f8a603867280de9b02ce4839202a182556416Andy Hung // ms is the playback time by frames 2639e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t ms = (int64_t)((double)diff * 1000 / 2640e13f8a603867280de9b02ce4839202a182556416Andy Hung ((double)mSampleRate * mPlaybackRate.mSpeed)); 2641e13f8a603867280de9b02ce4839202a182556416Andy Hung // clockdiff is the timestamp age (negative) 2642e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t clockdiff = (mState != STATE_ACTIVE) ? 0 : 2643e13f8a603867280de9b02ce4839202a182556416Andy Hung ets.mTimeNs[location] 2644e13f8a603867280de9b02ce4839202a182556416Andy Hung + ets.mTimebaseOffset[ExtendedTimestamp::TIMEBASE_MONOTONIC] 2645e13f8a603867280de9b02ce4839202a182556416Andy Hung - systemTime(SYSTEM_TIME_MONOTONIC); 2646e13f8a603867280de9b02ce4839202a182556416Andy Hung 2647e13f8a603867280de9b02ce4839202a182556416Andy Hung //ALOGV("ms: %lld clockdiff: %lld", (long long)ms, (long long)clockdiff); 2648e13f8a603867280de9b02ce4839202a182556416Andy Hung static const int NANOS_PER_MILLIS = 1000000; 2649e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (int32_t)(ms + clockdiff / NANOS_PER_MILLIS); 2650e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2651e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2652e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2653e13f8a603867280de9b02ce4839202a182556416Andy Hung if (location != ExtendedTimestamp::LOCATION_SERVER) { 2654e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; // LOCATION_KERNEL is not available 2655e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2656e13f8a603867280de9b02ce4839202a182556416Andy Hung // use server position directly (offloaded and direct arrive here) 2657e13f8a603867280de9b02ce4839202a182556416Andy Hung updateAndGetPosition_l(); 2658e13f8a603867280de9b02ce4839202a182556416Andy Hung int32_t diff = (Modulo<uint32_t>(mFramesWritten) - mPosition).signedValue(); 2659e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (diff <= 0) ? 0 2660e13f8a603867280de9b02ce4839202a182556416Andy Hung : (int32_t)((double)diff * 1000 / ((double)mSampleRate * mPlaybackRate.mSpeed)); 2661e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2662e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2663e13f8a603867280de9b02ce4839202a182556416Andy Hung 26649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 26659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 26667c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 26679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 26689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 26699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 26709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 26719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 26729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 26739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 26749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 267589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 267689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 267789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2678598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2679598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 26803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 268489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 268589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 268689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 268789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 268889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 26903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 26913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 26923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 26933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 26943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 26953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2696598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2697598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2698598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2699598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 27005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 27015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 27025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 27035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 27045a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 27055a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 27069d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 27075a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 27085a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 27093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 27107985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 27117985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 27127985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 27137c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 27149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 27159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 27169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 27179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 27185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 27199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 27209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 27219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 27225a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 27233c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 27243c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 27255a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 27269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 272734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 27285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 27299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2730ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 273189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 273289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 27343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 27353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 27363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2737598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 27383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 27393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 27403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 27413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 27423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 27433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 27443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 27453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 27463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 27473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 27483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2749598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 27509d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 27513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 27529d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 27533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 27543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 27553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 27563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 27573c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 27583c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 27593c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 2760a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 2761a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 2762a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 27633c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 2764a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 2765a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 2766a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 2767a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 2768a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 27693c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 27703c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 27713c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 27725a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 27735a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 27745a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 27755a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 27765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 27775a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 27785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 277940bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2780