AudioTrack.cpp revision 1dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11
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 414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hungtemplate <typename T> 424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hungconst T &min(const T &x, const T &y) { 434ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung return x < y ? x : y; 444ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung} 454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung 467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t convertTimespecToUs(const struct timespec &tv) 477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000; 497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung// current monotonic time in microseconds. 527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t getNowUs() 537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung struct timespec tv; 557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (void) clock_gettime(CLOCK_MONOTONIC, &tv); 567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return convertTimespecToUs(tv); 577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 61e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 62fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 65d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 66d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 67d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6804cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 690e48d25606c82def035ad10a5b3923767a765cddAndy Hung // FIXME handle in server, like createTrack_l(), possible missing info: 70e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 71e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 72e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 730e48d25606c82def035ad10a5b3923767a765cddAndy Hung // audio_output_flags_t flags (FAST) 743b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 7566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 7666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 7766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 7970c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 8066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 82e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 8366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 8466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 8570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 8670c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 8766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 8833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 8933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 9066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 9166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 9270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 9370c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 9466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 9533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 9633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 9733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 9833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 1009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 1019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1030e48d25606c82def035ad10a5b3923767a765cddAndy Hung *frameCount = minBufCount * sourceFramesNeeded(sampleRate, afFrameCount, afSampleRate); 1040e48d25606c82def035ad10a5b3923767a765cddAndy Hung // The formula above should always produce a non-zero value under normal circumstances: 1050e48d25606c82def035ad10a5b3923767a765cddAndy Hung // AudioTrack.SAMPLE_RATE_HZ_MIN <= sampleRate <= AudioTrack.SAMPLE_RATE_HZ_MAX. 1060e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Return error in the unlikely event that it does not, as that's part of the API contract. 10766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 1080e48d25606c82def035ad10a5b3923767a765cddAndy Hung ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %u", 10966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 11066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 11166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 1120e48d25606c82def035ad10a5b3923767a765cddAndy Hung ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, minBufCount=%u, afSampleRate=%u, afLatency=%u", 1133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 11433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 11533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 120879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1214ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1224ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1237064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1247064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 126faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 127faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 128faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 129faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 133fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 135e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 137bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1380ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 141838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 143ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 144462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 145d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 146d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 147d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 148879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1494ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1504ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1517064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1540d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 155a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 156462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 157d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi offloadInfo, uid, pid, pAttributes); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 161fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 163e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16428b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1660ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 169838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 171ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 172462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 173d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 174d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 175d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 176879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1774ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1784ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1797064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1807064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1820d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 18317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 184d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 185d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi uid, pid, pAttributes); 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 196b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 201f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 20253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2033bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2043bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 206d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen ALOGV("~AudioTrack, releasing session id from %d on behalf of %d", 207d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen IPCThreadState::self()->getCallingPid(), mClientPid); 208d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 213fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 215e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 217bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2180ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 221838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 223be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 225ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 226462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 227d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 228faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 229d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 231bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 232838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d", 233bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 23486f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType); 23586f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 269dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 27285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 27385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 2761a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 27953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2801dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 28129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 286e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 287fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 289faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 290223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 291faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 292faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 293faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 294faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 295e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 296faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 297faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 298faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 299faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 300faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 301e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 302dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 303ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 305e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 306fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 310fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 311cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 314dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 315c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3168ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3178ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3188ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3198ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 320e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 321e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 322e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3238ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 324c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 325b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 326b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 327b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 328b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 329b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 330b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3310ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 334c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 335c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 336d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 337d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 338d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 339d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 340d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 341b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 342b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 343b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 344b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 345b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 346b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 347e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 348b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 349b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 350b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 351b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 352e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 353e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 3540d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 3550d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 3560d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 3570d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 3580d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 3590d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 360b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 361b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 362b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 363b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 364b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 365b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 366b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 367b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 368b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 369b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 37066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 37166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 37205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 373396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 374b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 375d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 377caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 378caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 379caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 380caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 381caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 382d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 383d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 384d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 385462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 386462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 387462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 388462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 389d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 390d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 391d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 392d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 393d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 3942beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 395093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3964a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 397be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 398a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 399896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 400a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 401a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 402a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 40334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4040d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 405a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 40634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 407a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 408b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 409b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 410a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 411a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4184ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4194ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4204ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 42153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4232c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 426200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 427200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 428200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 430d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 442f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 443b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4492b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 456200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 459200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 4607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 4617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 4627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 4637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 4647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 4657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 466ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 467ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 468ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 470200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 47196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 501b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 505879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 506a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 516397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 52023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 524c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5329b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5349b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 5359b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 5369b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 54123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5529a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5644bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5722c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5732c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5742c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5752c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 576b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 579c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 58023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 581b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 582b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5844bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 589f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 591b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 592b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 593b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 594b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 5997064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6003a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 601142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6137064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6147064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6157064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6167064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6177064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 620be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 622c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 623c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 624c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 625be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 626be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 627be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 62966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 63066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 632c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 633be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 63423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 63559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 63659fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 637be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 640b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 642b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 643be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 644be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6452beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 646be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 647c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 648c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 649be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 650be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 651be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 653be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 654e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 655be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 656be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 657be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 658be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 659a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 660be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 661be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 663be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6663b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 668ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mIsTimed || isOffloadedOrDirect()) { 6694ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6704ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6714ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6720d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent AutoMutex lock(mLock); 6730d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 6740d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 6750d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 6770d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 678573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 680cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung if (rate == 0 || rate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 681d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 682d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 684e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 685e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 686e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 687573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 690a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6924ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6933b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6944ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6954ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6976f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6986f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6996f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7006f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 701ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 702142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7036f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 704b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7056f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7066f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7076f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7086f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7096f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 710e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 715ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 716083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 717083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 718083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 7209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 732c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 7394ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 7404ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 7414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 7424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 7434ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 74453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 7463c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 7473c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 7499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 752fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 753ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 754d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 755d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 7592c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7613c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 7623c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 7633c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 7643c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 768a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 770ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 771b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 772b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 773d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 774d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 775d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 785fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 786ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 787d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 788d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 791200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7932b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 7943c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 7953c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 7963c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 7973c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 801a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 803ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 804b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 805b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 806d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 807d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 808d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 818ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 819d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 820d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 8229c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8239c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8249c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 834d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8359b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 836200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8379b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 8383c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8393c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 843200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 845d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 846d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 847d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 850ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 851b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 85289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 853ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 8547064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 8557064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 8567064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 8577064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 8587064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 859142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 860b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 861b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 862b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 8637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 8647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 865b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 866b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 867275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 868275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getPosition"); 869275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 870275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 871b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 872200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 873200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 874b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 878377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 8799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 8809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 8819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 8829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8909c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8919c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 894ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 895083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 896083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 897083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 901d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 902d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 9049b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 9059b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 90653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 9079b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 90853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 90953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 91053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 91153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 91253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 91353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 91453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 9159b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 920c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 9211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 922b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 9231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 925be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 926be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 9279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9282beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 9292beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 9302beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 9312beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 9322beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 933be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 934be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 935e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 936e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 937e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 938e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 939e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 940e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 941e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 942e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 946200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 94734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 94834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 94934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 950e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 951e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 95234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 95334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 954e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 955e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 956e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 957e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent status_t status = AudioSystem::getOutputForAttr(attr, &output, 958e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent (audio_session_t)mSessionId, &streamType, 959e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mSampleRate, mFormat, mChannelMask, 960e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mFlags, mOffloadInfo); 961e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 962e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 963e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 9645bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi ALOGE("Could not get audio output for stream type %d, usage %d, sample rate %u, format %#x," 9655bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 966e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 96738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 96838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 96938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 97038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 97138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 97238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 973ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 974ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 975d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 976241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 977ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 9789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 97938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 980d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 981d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 982ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 983b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 984ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 985b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 98638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 987ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 988ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 989ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 990b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 991ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 992b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 99338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 994ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 9950d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 9960d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 9970d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 9984a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 9994a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 100043bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 10014a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 10024a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1003363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1004c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 10051dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 10061dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 10071dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 100843bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 100943bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 10103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 1011093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1012363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 10134a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 1014e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 10154a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1016ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1017b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1018b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 10190e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 10200e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 10210e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1022ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1023d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1024e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1025363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1026363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1027e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1028363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1029e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1030363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1031e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1032e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1033d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1034b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1035b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1036b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1037363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1038abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1039abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1040abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1041abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1042b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1043abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1044b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1045b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1046a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1047e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1048e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1049e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10501d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1051a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1052363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 105338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 105438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1055e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1056e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1057e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1058e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1059e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1060e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1061abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1062e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 10630e48d25606c82def035ad10a5b3923767a765cddAndy Hung // For fast and normal streaming tracks, 10640e48d25606c82def035ad10a5b3923767a765cddAndy Hung // the frame count calculations and checks are done by server 1065d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1066d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1067a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1068a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1069a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1070a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 10713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 10723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1073363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 10744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 10753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 10763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 10773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 10784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10794a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1080363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1081b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1082b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1083b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1084ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1085ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1086ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1087ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 108874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 108974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1090e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1091363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1092abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1093a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 109474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1095e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1096363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 109734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 10983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1099be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1100462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 110134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 110234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1103c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 110429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 110538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 110634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1107c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1108c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 110938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 111038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 111138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1112d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1113d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 111429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 111534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 111634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 11170cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 11180cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 11190cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 11200cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 11210cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 112253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1124f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 112734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1128d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 11293bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 11303bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 11310cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1132d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 113374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1134b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1135b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1136b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1137b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 113834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1139b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1140b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 11415f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1142a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1143363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1144e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 114534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1146a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 11473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 114834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1149093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1150363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1151e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1153363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1154b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1155b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1156b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1157b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1158363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 115938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 116038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1161b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1162b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1163ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1164ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1165ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1166ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1167ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1168ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1169ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1170ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1171ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1172ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 11730e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 11740e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 11750e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 11760e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 11770e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 11780e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 11790e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 11800e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 11810e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 11820e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1183b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 118438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 118538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1193363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 119534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1196363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 119734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 119834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 11992beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1200e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1201363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 12025f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1203b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1204093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1205093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1206b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1207b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1208093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1209e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1210e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1211363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1213abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1215abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1218e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1219e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1220e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1221e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1222e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1223e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1224e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1228f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1229e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 123034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 123138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 123238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 123338e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1234e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 123538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 123638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 123738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 123838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 123934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 124034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1241b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 12459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 12489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1254df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1268b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1277e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 12879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 12889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 12921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 12969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 12989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1300b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1301b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1302b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 13039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 130489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1313b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1314b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1315b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1316b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1317b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1318b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1319b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1320b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 13219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 13229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 13239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1327c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 13299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 133189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 133389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1335abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 13369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 13379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 134289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134354a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 134489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13453f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1350abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 13529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1358e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 13591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1360200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 13659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 136796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1368c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1370df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1371df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1372df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 137389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 137489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 137689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1377720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 137889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1380d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1381d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 138289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1383ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1384ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1385ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1386ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1387ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1388ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1389ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1390ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1391ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1392ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 139499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 139599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1396377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 139789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 139889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 140189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1406720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1407720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 140889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1411d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 141389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1416abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung toWrite = audioBuffer.size; 1417abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 142689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 142989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14304ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 14314ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 14324ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14334ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14344ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 14354ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1436d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 14374ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 14384ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1440d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1441d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1442d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1443d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1445d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 14464ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 14474ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1448c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1449d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 145096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 14514ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 14524ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 145396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 14544ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14554ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14564ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14574ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 14584ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 145996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 14614ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 14634ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1464d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 14654ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14664ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14674ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 14684ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14694ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14704ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 14714ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 14724ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1473df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1474df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1475df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1476d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1477df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1478df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 147996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 148096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1481df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1483df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1484df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 14854ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1486df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 14874ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14884ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14894ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 14904ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 14914ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 14924ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 14934ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14944ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14954ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 14964ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14977c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 149889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1499fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1500fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1501fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1502fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1503fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 15041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1505a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1506a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1507a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1508a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1509a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1510a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1511a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1512a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1513a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1514a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1515a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1516a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1517a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1518a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1519a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1520a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1521a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1522b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1523b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1524a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 15251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 152896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1529a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1533b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1534b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1535ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1536b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 153753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 153853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1566200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1588838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1595b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 159696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 159853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 159953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 160053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 160153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 160253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 160353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 160453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 160553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 160653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 160753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 160853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 160953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 161053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 161153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 161253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 161353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 161453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 161553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 161653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 161753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 161853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 161953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1621abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1626b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1627b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1628b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1630b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 163196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1632b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1633b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1634b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1635b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1636b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 163796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 163896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 163996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 164096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 164196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 164296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 164396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 164496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1645c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1646b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1647b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 164896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 164996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 165096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 165196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1652b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 165396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1654b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1655b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 166053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 166253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1676b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1680b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1681ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1682b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 168589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 168989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 169089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 16982d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17012d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 17022d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung minFrames = min(minFrames, uint32_t(newPosition - position)); 170389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 170489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 17092267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 17102267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 172389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1734c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 17369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 174034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 174334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1744b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1746b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1747b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 174989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 175289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 175442a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1763d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 176489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 176689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 177134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 177234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 17778555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 17788555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 17798555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 17808555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1782d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 178389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1784abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t releasedFrames = audioBuffer.size / mFrameSize; 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 17879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 17889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 179289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 179489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 17999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 181689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 182289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 182389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 18251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1826b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1827ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 18291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 18301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1831a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1832d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 1833a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1834a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1835ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 183623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1837b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1838b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1839b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1840200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 18414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 18424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 18434ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 18444ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 18454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 1846200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1847200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1848a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1849200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1850200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1851200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten result = createTrack_l(); 1852cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1853cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 18549b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // For streaming tracks, this is the amount we obtained from the user/client 18559b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // (not the number actually consumed at the server - those are already lost). 1856200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 18579b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung if (mStaticProxy != 0) { 18589b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = mReleased; 18599b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung } 1860a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1861a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 18624ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 18634ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 18644ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 18654ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 18664ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 18674ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 18684ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 186953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 187053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 187153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 18721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1875a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 18761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 1881c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 18821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 18841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 18851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 18861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1887200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 1888200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 1889200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 1890200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 1891200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 1892200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 1893200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 1894200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 1895200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 1896200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 1897200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 1898200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 1899200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 1900200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 1901200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 1902200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 1903200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 1904200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 1905200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 1906200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 1907200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1908ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1909ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1910ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 191153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1912ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1913ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1914ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1915ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 191653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1917fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1918fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1919fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1920fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 19237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 19247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 19257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 19267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 19277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 19287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 19307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 19317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 19327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 19337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 19357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 19367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 19377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 1938fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 1940275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 1941275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getTimestamp"); 1942275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1943275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1944200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 1945200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 1946fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 19477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 1948dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 19497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 19507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 19527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 19537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 19547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 19557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 19567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 19577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 19607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 19617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 19627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 19637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 19647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 19667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 19687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 19697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 19707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 19717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 19737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaPositionByUs = timestamp.mPosition * 1000000LL / mSampleRate; 19747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 19767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 19777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 19787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 19797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 19807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 19817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 19827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 19837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 19877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 1989200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 1990200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 1991200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 1992200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 1993200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 1994200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 1995200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 1996200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 1997200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 1998200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 1999200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2000200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2001200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2002200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2003200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2004200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2005200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2006200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2007200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2008200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2009200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2010200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2011200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2012200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2013fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 2014fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2015ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2016ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2017ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2018ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 20192c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2020142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 20212c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2022b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2023b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2024b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2025ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2026ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 202723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 202823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 202923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 203023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 203123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 203223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2033ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2034ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2035ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2036ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2037ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2038ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2039ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2040ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2041ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2042ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2043ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2044ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2045ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 20467c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 204789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 204889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 204989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 205089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 205189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 205289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 205389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 205485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2055877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 205689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2057377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2058b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 205989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2060e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 206189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 206389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 206489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 206589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 206689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 206789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 20699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 20739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 20759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20767c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 20779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 20799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 20809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 20819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 20829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 20849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 208589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 208689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 208789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2088598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2089598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 20903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 20913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 20923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 20933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 209489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 209589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 209689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 209789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 209889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 21003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 21013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 21023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 21033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 21043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 21053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2106598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2107598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2108598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2109598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 21105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 21115a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 21125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 21135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 21145a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 21155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21169d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21175a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 21185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21207985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 21217985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 21227985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 21237c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 21249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 21259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 21269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 21285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 21299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 21319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 21325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 21333c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 21343c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 21355a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 21369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 213734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 21385a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 21399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2140ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 214189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 214289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 21443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 21463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2147598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 21483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 21513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 21533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 21543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 21573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2159598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 21609d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 21613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 21629d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 21643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21673c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 21683c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 21693c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 21703c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (!mPaused && mPausedInt && mPausedNs > 0) { 21713c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // audio track is active and internally paused with timeout. 21723c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 21733c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mPausedInt = false; 21743c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mMyCond.signal(); 21753c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 21763c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 21773c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 21785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 21795a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 21805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 21815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 21825a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 21835a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 21845a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 218589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 2186