AudioTrack.cpp revision 551b5355d34aa42890811fc3606d3b63429296cd
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(); 2064c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2074c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, 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, " 2324c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 233bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2344c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 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 27753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2781dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 27929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 284e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 285fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 287faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 288223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 289faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 290faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 291faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 292faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 293e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 294faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 295faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 296faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 297faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 298faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 299e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 300c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 301c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 302c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 303dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 304ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 306e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 307fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 311fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 312cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 315dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 316c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3178ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3188ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3198ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3208ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 321e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 322e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 323e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3248ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 326b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 327b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 328b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 329b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 330b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 331b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3320ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3340ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 335c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 336c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 337d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 338d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 339d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 340d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 341d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 342b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 343b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 344b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 345b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 346b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 347b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 348e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 349b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 350b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 351b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 352b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 353e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 354e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 3550d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 3560d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 3570d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 3580d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 3590d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 3600d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 361b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 362b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 363b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 364b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 365b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 366b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 367b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 368b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 369b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 370b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 37166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 37266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 37305632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 374396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 375b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 376d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 378caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 379caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 380caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 381caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 382caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 383d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 384d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 385d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 386462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 387462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 388462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 389462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 390d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 391d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 392d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 393d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 394d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 3952beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 396093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3974a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 398be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 399a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 400896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 401a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 402bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 403a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 404a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 40534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4060d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 407a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 40834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 409a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 410b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 411b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 412a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 413a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4204ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4214ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4224ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 42353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4252c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 428200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 429200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 430200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 432d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 444f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4512b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 458200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 461200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 4627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 4637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 4647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 4657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 4667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 4677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 468ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 469ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 470ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 472200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 47396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 504b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 505b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 507879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 508a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 518397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 52223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 526c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5349b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5369b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 5379b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 5389b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 54323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 544b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 545b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5549a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5664bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5742c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5752c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5762c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5772c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 578b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 581c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 58223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 583b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 584b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5864bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 591f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 592b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 593b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 594b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 595b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 596b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6017064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6023a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 603142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6157064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6167064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6177064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6187064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6197064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 622be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 624c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 625c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 626c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 627be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 628be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 629be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 63166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 63266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 634c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 635be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 63623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 63759fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 63859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 639be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 642b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 644b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 645be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 646be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6472beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 648be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 649c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 650c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 651be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 652be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 653be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 655be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 656e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 657be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 658be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 659be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 660be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 661a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 662be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 663be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 665be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6683b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6705cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 6715cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 6725cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 6735cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 6745cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (mIsTimed || isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 6754ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6764ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6770d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 6780d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 6790d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 6805cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 6815cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 6830d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 684573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 686cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung if (rate == 0 || rate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 687d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 688d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 690e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 691e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 692e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 693573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 696a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6984ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6993b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7004ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7014ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7036f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7046f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7056f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7066f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 707ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 708142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7096f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 710b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7116f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7126f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7136f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7146f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7156f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 716e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 721ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 722083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 723083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 724083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 738c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 7454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 7464ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 7474ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 7484ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 7494ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 75053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 7523c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 7533c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 7549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 758fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 759ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 760d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 761d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 7652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7673c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 7683c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 7693c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 7703c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 774a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 776ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 777b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 778b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 779d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 780d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 781d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 78789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 79089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 791fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 792ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 793d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 794d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 797200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7992b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 8003c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8013c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8023c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8033c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 807a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 809ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 811b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 812d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 813d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 814d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 82289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 82389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 824ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 825d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 826d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 8289c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8299c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8309c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 840d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8419b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 842200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8439b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 8443c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8453c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 849200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 851d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 852d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 853d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 856ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 857b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 859ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 8607064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 8617064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 8627064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 8637064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 8647064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 865142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 866b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 867b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 868b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 8697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 8707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 871b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 872b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 873275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 874275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getPosition"); 875275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 876275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 877b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 878200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 879200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 880b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 884377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 8859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 8869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 8879c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 8889c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8909c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8919c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8929c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8959c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8969c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8979c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 900ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 901083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 902083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 903083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 9041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 907d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 908d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 9109b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 9119b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 91253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 9139b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 91453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 91553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 91653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 91753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 91853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 91953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 92053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 9219b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92538e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 926c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 9271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 928b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 9291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 931be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 932be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9342beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 9352beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 9362beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 9372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 9382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 939be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 940be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 941e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 942e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 943e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 944e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 945e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 946e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 947e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 948e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 952200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 95334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 95434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 95534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 956e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 957e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 95834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 95934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 960e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 961e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 962e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 963e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent status_t status = AudioSystem::getOutputForAttr(attr, &output, 964e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent (audio_session_t)mSessionId, &streamType, 965e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mSampleRate, mFormat, mChannelMask, 966e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mFlags, mOffloadInfo); 967e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 968e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 969e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 9704c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 9715bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 9724c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 97338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 97438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 97538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 97638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 97738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 97838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 979ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 980ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 981d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 982241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 983ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 98538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 986d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 9874c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("createTrack_l() output %d afLatency %u", output, afLatency); 988d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 989ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 990b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 991ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 992b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 99338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 994ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 995ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 996ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 997b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 998ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 999b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 100038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1001ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 10020d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 10030d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 10040d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 10054a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 10064a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 100743bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 10084a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 10094a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1010363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1011c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 10121dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 10131dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 10141dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 101543bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 101643bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 10174c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, track %u Hz, output %u Hz", 10184c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mTransfer, mSampleRate, afSampleRate); 1019093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1020363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 10214a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10224a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1023ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1024b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1025b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 10260e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 10270e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 10280e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1029ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1030d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1031e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1032363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1033363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1034e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1035363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1036e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1037363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1038e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1039e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1040d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1041b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1042b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1043b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1044363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1045abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1046abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1047abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1048abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1049b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1050abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1051b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1052b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1053a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1054e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1055e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1056e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10571d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1058a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1059363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 106038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 106138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1062e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1063e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1064e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1065e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1066e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1067e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1068abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1069e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 10700e48d25606c82def035ad10a5b3923767a765cddAndy Hung // For fast and normal streaming tracks, 10710e48d25606c82def035ad10a5b3923767a765cddAndy Hung // the frame count calculations and checks are done by server 1072d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1073d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1074a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1075a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1076a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1077a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 10783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 10793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1080363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 10814a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 10823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 10833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 10843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 10854a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10864a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1087363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1088b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1089b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1090b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1091ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1092ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1093ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1094ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 109574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 109674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1097138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1098e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1099363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1100abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1101a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 110274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1103e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1104363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 110534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 11063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1107be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1108462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 110934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1110138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1111138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 111234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1113c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 111429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 111538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 111634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1117c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1118c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 111938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 112038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 112138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1122d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1123d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 112429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 112534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 112634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 11270cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 11280cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 11290cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 11300cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 11310cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 113253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1134f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 113734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1138d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 11393bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 11403bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 11410cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1142d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 114374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1144b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1145b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1146b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1147b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 114834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1149b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1150b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 11515f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1152a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1153363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1154e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 115534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1156a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 11573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 115834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1159093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1160363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1161e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1163363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1164b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1165b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1166b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1167b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1168363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 116938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 117038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1171b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1172b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1173ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1174ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1175ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1176ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1177ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1178ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1179ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1180ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1181ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1182ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 11830e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 11840e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 11850e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 11860e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 11870e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 11880e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 11890e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 11900e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 11910e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 11920e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1193b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 119438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 119538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 12029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1203363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1204138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 120534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1206363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1207138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1208138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1209138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1210138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 121134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 121234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 12132beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1214e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1215363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 12165f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1217b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1218093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1219093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1220b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1221b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1222093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1223e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1224e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1225363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1227abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1229abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 12319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1232e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1233e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1234e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1235e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1236e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1237e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1238e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1242f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1243e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 124434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 124538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 124638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 124738e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1248e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 124938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 125038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 125138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 125238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 125334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 125434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1255b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1258551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1259551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1260551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1267551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1268551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1269551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1274df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 12819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 12879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1288b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 12899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 12909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 12929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 12939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 12969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1297e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 130089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 13029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 13059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 13069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 13121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 13169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 13179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 13189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 13199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1320b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1321b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1322b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 13239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1328c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 13319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 13329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1333b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1334b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1335b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1336b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1337b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1338b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1339b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1340b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 13419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 13429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 13439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 134489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1347c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 135189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 135389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1355abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 135989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 136189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136354a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 136489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13653f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1370abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 13719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1378e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 13791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1380200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 138796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1388c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1390df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1391df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1392df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 139389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 139489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 139589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1397720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 139889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1400d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1401d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1403ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1404ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1405ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1406ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1407ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1408ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1409ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1410ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1411ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1412ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 141499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 141599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1416377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 141889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1426720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1427720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1431d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 143389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1435ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1436abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 143989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 144089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 144689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 144889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14494ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 14504ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 14514ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14524ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14534ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 14544ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1455d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 14564ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 14574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1459d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1460d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1461d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1462d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1464d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 14654ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 14664ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1467c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1468d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 146996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 14704ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 14714ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 147296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 14734ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14744ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14754ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14764ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 14774ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 147896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 14804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 14824ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1483d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 14844ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14854ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14864ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 14874ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14884ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14894ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 14904ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 14914ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1492df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1493df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1494df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1495d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1496df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1497df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 149896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 149996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1500df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1502df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1503df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 15044ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1505df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 15064ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15074ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15084ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 15094ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 15104ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 15114ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 15124ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15134ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15144ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 15154ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15167c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1518fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1519fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1520fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1521fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1522fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 15231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1524a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1525a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1526a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1527a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1528a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1529a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1530a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1531a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1532a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1533a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1534a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1535a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1536a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1537a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1538a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1539a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1540a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1541b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1542b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1543a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 15441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 154796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1548a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1553b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1554ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 155653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 155753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1561b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 158289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1585200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1607838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1614b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 161596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 161753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 161853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 161953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 162053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 162153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 162253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 162353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 162453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 162553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 162653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 162753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 162853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 162953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 163053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 163153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 163253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 163353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 163453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 163553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 163653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 163753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 163853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1640abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1645b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1646b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1647b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1648b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1649b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 165096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1651b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1652b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1653b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1654b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1655b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 165696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 165796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 165896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 165996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 166096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 166196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 166296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 166396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1664c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1665b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 166796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 166896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 166996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 167096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1671b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 167296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1674b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 167953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 168153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1695b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1699b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1700ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1702b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 170389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 170489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 170889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 170989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 17172d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17202d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 17212d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung minFrames = min(minFrames, uint32_t(newPosition - position)); 172289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 172389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 17282267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 17292267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 17369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 174289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1753c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 175934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 176234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1763b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1765b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1766b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 177189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 177342a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 17779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 17789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1782d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 178389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 178589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 178789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 179034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 179134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 17968555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 17978555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 17988555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 17998555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1801d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 180289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1803138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 181189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 181289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 181389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 183589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 184189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 184289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 18441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1845b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1846ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 18481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1849a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1850d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 1851a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1852a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1853ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 185423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1855b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1856b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1857b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1858200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 18594ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 18604ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 18614ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 18624ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 18634ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 1864200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1865200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1866a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1867200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1868200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1869ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 1870cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1871cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 18729b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // For streaming tracks, this is the amount we obtained from the user/client 18739b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // (not the number actually consumed at the server - those are already lost). 1874200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 18757ccdaad38054474b1d84b7c37ceffd98e9df354dAndy Hung if (mStaticProxy == 0) { 18769b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = mReleased; 18779b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung } 1878a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1879a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 18804ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 18814ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 18824ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 18834ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 18844ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 18854ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 18864ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 188753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 188853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 188953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 18901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1893a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 18941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 1899c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 19001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 19021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 19031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 19041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1905200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 1906200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 1907200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 1908200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 1909200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 1910200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 1911200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 1912200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 1913200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 1914200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 1915200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 1916200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 1917200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 1918200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 1919200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 1920200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 1921200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 1922200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 1923200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 1924200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 1925200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1926ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1927ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1928ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 192953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1930ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1931ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1932ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1933ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 193453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1935fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1936fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1937fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1938fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 19417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 19427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 19437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 19447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 19457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 19467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 19487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 19497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 19507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 19517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 19537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 19547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 19557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 1956fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 1958275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 1959275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getTimestamp"); 1960275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1961275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1962200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 1963200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 1964fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 19657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 1966dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 19677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 19687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 19707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 19717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 19727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 19737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 19747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 19757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 19787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 19797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 19807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 19817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 19827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 19847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 19867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 19877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 19887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 19897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 19917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaPositionByUs = timestamp.mPosition * 1000000LL / mSampleRate; 19927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 19947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 19957f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 19967f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 19977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 19987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 19997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 20007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 20017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 20027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 20057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2007200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2008200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2009200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2010200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2011200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2012200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2013200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2014200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 2015200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 2016200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2017200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2018200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2019200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2020200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2021200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2022200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2023200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2024200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2025200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2026200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2027200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2028200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2029200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2030200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2031fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 2032fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2033ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2034ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2035ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2036ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 20372c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2038142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 20392c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2040b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2041b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2042b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2043ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2044ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 204523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 204623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 204723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 204823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 204923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 205023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2051ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2052ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2053ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2054ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2055ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2056ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2057ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2058ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2059ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2060ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2061ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2062ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2063ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 20647c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 206589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 206689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 206789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 206889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 206989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 207089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 207189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 207285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2073877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 207489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2075377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2076b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 207789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2078e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 207989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 20809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 208189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 208289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 208389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 208489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 208589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 20879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 20899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 20909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 20919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 20939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20947c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 20959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 20979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 20989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 20999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 21009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 21029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 210389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 210489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 210589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2106598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2107598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 21083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 211289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 211389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 211489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 211589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 211689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 21173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 21183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 21193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 21203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 21213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 21223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 21233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2124598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2125598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2126598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2127598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 21285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 21295a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 21305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 21315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 21325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 21335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21349d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21355a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 21365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21387985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 21397985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 21407985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 21417c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 21429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 21439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 21449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 21465a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 21479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 21499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 21505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 21513c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 21523c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 21535a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 21549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 215534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 21565a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 21579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2158ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 215989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 216089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 21623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 21643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2165598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 21663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 21693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 21713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 21723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 21753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2177598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 21789d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 21793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 21809d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 21823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21853c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 21863c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 21873c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 21883c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (!mPaused && mPausedInt && mPausedNs > 0) { 21893c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // audio track is active and internally paused with timeout. 21903c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 21913c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mPausedInt = false; 21923c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mMyCond.signal(); 21933c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 21943c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 21953c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 21965a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 21975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 21985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 21995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 22005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 22015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 22025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 220340bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2204