AudioTrack.cpp revision 8edb8dc44b8a2f81bdb5db645b6b708548771a31
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 598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// Must match similar computation in createTrack_l in Threads.cpp. 608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// TODO: Move to a common library 618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungstatic size_t calculateMinFrameCount( 628edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatencyMs, uint32_t afFrameCount, uint32_t afSampleRate, 638edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t sampleRate, float speed) 648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Ensure that buffer depth covers at least audio hardware latency 668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t minBufCount = afLatencyMs / ((1000 * afFrameCount) / afSampleRate); 678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (minBufCount < 2) { 688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung minBufCount = 2; 698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("calculateMinFrameCount afLatency %u afFrameCount %u afSampleRate %u " 718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung "sampleRate %u speed %f minBufCount: %u", 728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung afLatencyMs, afFrameCount, afSampleRate, sampleRate, speed, minBufCount); 738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return minBufCount * sourceFramesNeededWithTimestretch( 748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung sampleRate, afFrameCount, afSampleRate, speed); 758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 79e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 80fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 83d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 84d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 85d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 870e48d25606c82def035ad10a5b3923767a765cddAndy Hung // FIXME handle in server, like createTrack_l(), possible missing info: 88e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 89e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 90e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 910e48d25606c82def035ad10a5b3923767a765cddAndy Hung // audio_output_flags_t flags (FAST) 923b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 9366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 9466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 9566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 9670c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 9770c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 9866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 9933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 100e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 10166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 10266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 10370c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 10470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 10566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 10633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 10733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 10866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 10966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 11070c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 11170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 11266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 11333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 11433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // When called from createTrack, speed is 1.0f (normal speed). 1168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // This is rechecked again on setting playback rate (TODO: on setting sample rate, too). 1178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount = calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, 1.0f); 11833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1190e48d25606c82def035ad10a5b3923767a765cddAndy Hung // The formula above should always produce a non-zero value under normal circumstances: 1200e48d25606c82def035ad10a5b3923767a765cddAndy Hung // AudioTrack.SAMPLE_RATE_HZ_MIN <= sampleRate <= AudioTrack.SAMPLE_RATE_HZ_MAX. 1210e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Return error in the unlikely event that it does not, as that's part of the API contract. 12266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 1230e48d25606c82def035ad10a5b3923767a765cddAndy Hung ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %u", 12466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 12566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 12666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 1278edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, afSampleRate=%u, afLatency=%u", 1288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount, afFrameCount, afSampleRate, afLatency); 12933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 13033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 135879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1364ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1374ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1387064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 139aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 140aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 142faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 143faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 144faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 145faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 149fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 151e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 15228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 153bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1540ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 157838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 159ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 160462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 161d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 162d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 163d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 164879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1654ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1664ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1677064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 168aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 169aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1710d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 172a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 173462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 174d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi offloadInfo, uid, pid, pAttributes); 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 177c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 178fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 180e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 18128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1830ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 186838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 188ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 189462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 190d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 191d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 192d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 193879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1944ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1954ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1967064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 197aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 198aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2000d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 20117a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 202d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 203d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi uid, pid, pAttributes); 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 214b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 219f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 22053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2213bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2223bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2244c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2254c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 226d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 231fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 233e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 23428b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 235bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2360ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 239838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 241be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 243ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 244462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 245d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 246faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 247d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 249bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 2504c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 251bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2524c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 25386f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 287dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 29085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 29185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 2941a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 29553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2961dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 29729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 302e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 303fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 305faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 306223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 307faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 308faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 309faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 310faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 311e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 312faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 313faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 314faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 315faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 316faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 317e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 318c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 319c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 320c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 321dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 322ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 324e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 325fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 329fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 330cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 333dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 334c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3358ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3368ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3378ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3388ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 339e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 340e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 341e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3428ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 343c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 344b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 345b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 346b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 347b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 348b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 349b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3500ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3520ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 353c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 354c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 355d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 356d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 357d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 358d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 359d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 360b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 361b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 362b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 363b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 364b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 365b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 366e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 367b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 368b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 369b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 370b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 371e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 372e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 3730d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 3740d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 3750d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 3760d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 3770d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 3788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mSpeed = AUDIO_TIMESTRETCH_SPEED_NORMAL; 3798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mPitch = AUDIO_TIMESTRETCH_PITCH_NORMAL; 3800d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 381b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 382b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 383b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 384b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 385b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 386b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 387b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 388b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 389b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 390b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 39166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 39266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 39305632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 394396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 395b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 396d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 398caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 399caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 400caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 401caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 402caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 403d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 404d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 405d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 406462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 407462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 408462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 409462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 410d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 411d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 412d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 413d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 414d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4152beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 416093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 4174a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 418be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 419a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 420896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 421a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 422bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 423a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 424a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 42534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4260d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 427a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 42834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 429a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 430b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 431b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 432a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 433a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4404ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 44353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4452c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 448200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 449200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 450200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 452d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 464f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 465b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4712b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 474b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 478200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 481200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 4827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 4837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 4847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 4857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 4867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 4877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 488ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 489ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 490ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 492200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 49396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 497b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 498b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 499b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 500b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 501b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 527879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 528a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 538397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 54223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 544b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 545b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 546c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 547b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 548b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5549b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5569b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 5579b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 5589b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 560b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 56323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 564b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 565b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5749a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5864bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5942c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5952c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5962c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5972c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 598b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 599c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 601c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 60223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 603b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 604b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6064bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 611f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 612b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 613b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 614b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 615b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 616b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6217064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6223a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 623142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6357064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6367064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6377064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6387064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6397064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 642be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 644c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 645c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 646c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 647be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 648be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 649be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 65166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 65266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 654c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 655be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 65623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 65759fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 65859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 659be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 662b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 664b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 665be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 666be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6672beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 668be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 669c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 670c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 671be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 672be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 673be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 675be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 676e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 677be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 678be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 679be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 680be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 681a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 682be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 683be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 685be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6883b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6905cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 6915cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 6925cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 6935cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 6945cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (mIsTimed || isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 6954ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6964ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6970d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 6980d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 6990d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7005cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7015cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7030d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 704573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 706cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung if (rate == 0 || rate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 707d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 708d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 711e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 712e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 713e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 714573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 717a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7194ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 7203b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7214ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7224ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7246f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7256f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7266f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7276f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 728ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 729142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7306f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 731b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7326f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7336f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7346f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7356f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7366f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 737e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7408edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungstatus_t AudioTrack::setPlaybackRate(float speed, float pitch) 7418edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 7428edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (speed < AUDIO_TIMESTRETCH_SPEED_MIN 7438edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung || speed > AUDIO_TIMESTRETCH_SPEED_MAX 7448edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung || pitch < AUDIO_TIMESTRETCH_PITCH_MIN 7458edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung || pitch > AUDIO_TIMESTRETCH_PITCH_MAX) { 7468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 7478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 7498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (speed == mSpeed && pitch == mPitch) { 7508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 7518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mIsTimed || isOffloadedOrDirect_l()) { 7538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 7568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 7598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (!isSampleRateSpeedAllowed_l(mSampleRate, speed)) { 7608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("setPlaybackRate(%f, %f) failed", speed, pitch); 7618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 7628edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7638edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mSpeed = speed; 7648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mPitch = pitch; 7658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mProxy->setPlaybackRate(speed, pitch); 7668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 7678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 7688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 7698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungvoid AudioTrack::getPlaybackRate(float *speed, float *pitch) const 7708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 7718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 7728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *speed = mSpeed; 7738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *pitch = mPitch; 7748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 7758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 778ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 779083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 780083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 781083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 7839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 7869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 79089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 795c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 8024ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 8034ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8044ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 8054ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 8064ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 80753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 8093c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8103c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 815fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 816ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 817d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 818d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 8222c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 82389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8243c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8253c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8263c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8273c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 82989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 831a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 83289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 833ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 834b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 835b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 836d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 837d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 838d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 848fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 849ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 850d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 851d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 85289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 854200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 8562b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 8573c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8583c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8593c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8603c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 864a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 866ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 867b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 868b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 869d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 870d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 871d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 881ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 882d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 883d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 8859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8879c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 8929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 897d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8989b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 899200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9009b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 9013c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9023c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 906200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 908d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 909d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 910d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 913ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 914b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 916ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 9177064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 9187064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 9197064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 9207064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 9217064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 922142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 923b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 924b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 925b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 9267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 9277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 928b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 929b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 930275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 931275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getPosition"); 932275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 933275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 934b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 935200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 936200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 937b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 941377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 9429c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 9439c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 9449c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 9459c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9469c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 9479c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9489c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9499c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 9529c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 9539c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 9549c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 957ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 958083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 959083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 960083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 9611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 964d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 965d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 9679b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 9689b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 96953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 9709b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 97153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 97253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 97353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 97453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 97553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 97653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 97753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 9789b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98238e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 983c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 9841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 985b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 9861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 988aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 989aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 990aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 991aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 992aa9811945f575614b3482d09e4d969792701cebbPaul McLean return restoreTrack_l("setOutputDevice() restart"); 993aa9811945f575614b3482d09e4d969792701cebbPaul McLean } else { 994aa9811945f575614b3482d09e4d969792701cebbPaul McLean return NO_ERROR; 995aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 996aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 997aa9811945f575614b3482d09e4d969792701cebbPaul McLean 998aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 999aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1000aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1001aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1002aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1003be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1004be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10062beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 10072beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 10082beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 10092beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 10102beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1011be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1012be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1013e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1014e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1015e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1016e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1017e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1018e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1019e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1020e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1024200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 102534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 102634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 102734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1028e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1029e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 103034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 103134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1032e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1033e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1034e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1035e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1036aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1037aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1038aa9811945f575614b3482d09e4d969792701cebbPaul McLean (audio_session_t)mSessionId, &streamType, 1039aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1040aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1041e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1042e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 10434c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 10445bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 10454c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 104638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 104738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 104838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 104938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 105038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 105138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1052ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 1053ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1054d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 1055241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 1056ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 105838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1059d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 10604c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("createTrack_l() output %d afLatency %u", output, afLatency); 1061d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1062ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 1063b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 1064ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1065b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 106638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1067ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1068ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1069ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 1070b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 1071ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1072b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 107338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1074ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 10750d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 10760d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 10770d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 10784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 10794a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 108043bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 10814a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 10824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1083363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1084c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 10851dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 10861dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 10871dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 108843bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 108943bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 10904c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, track %u Hz, output %u Hz", 10914c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mTransfer, mSampleRate, afSampleRate); 1092093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1093363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 10944a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10954a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1096ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1097b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1098b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 10990e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 11000e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 11010e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1102ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1103d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1104e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1105363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1106363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1107e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1108363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1109e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1110363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1111e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1112e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1113d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1114b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1115b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1116b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1117363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1118abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1119abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1120abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1121abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1122b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1123abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1124b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1125b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1126a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1127e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1128e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1129e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11301d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1131a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1132363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 113338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 113438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1135e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1136e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1137e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1138e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1139e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1140e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1141abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1142e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 11438edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 11448edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 11458edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 11468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 11478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 11488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung afLatency, afFrameCount, afSampleRate, mSampleRate, mSpeed); 11498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 11508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 11518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 11528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1153d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1154d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1155a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1156a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1157a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1158a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 11593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 11603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1161363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 11624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 11633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 11643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 11653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 11664a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1168363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1169b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1170b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1171b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1172ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1173ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1174ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1175ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 117674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 117774935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1178138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1179e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1180363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1181abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1182a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 118374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1184e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1185363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 118634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 11873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1188be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1189462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 119034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1191138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1192138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 119334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1194c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 119529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 119638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 119734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1198c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1199c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 120038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 120138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 120238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1203d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1204d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 120529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 120634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 120734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 12080cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 12090cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 12100cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 12110cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 12120cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 121353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1215f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 121834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1219d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 12203bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 12213bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 12220cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1223d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 122474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1225b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1226b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1227b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1228b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 122934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1230b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1231b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 12325f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1233a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1234363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1235e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 123634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1237a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 12383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 123934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1240093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1241363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1242e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1244363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1245b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1246b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1247b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1248b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1249363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 125038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 125138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1252b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1253b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1254ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1255ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1256ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1257ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1258ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1259ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1260ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1261ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1262ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1263ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 12640e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 12650e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 12660e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 12670e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 12680e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 12690e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 12700e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 12710e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 12720e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 12730e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1274b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 127538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 127638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 12819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1284363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1285138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 128634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1287363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1288138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1289138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1290138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1291138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 129234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 129334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 12942beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 12958edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1296e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1297363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 12985f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1299b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1300093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1301093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1302b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1303b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1304093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1305e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1306e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1307363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1309abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1311abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1314e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1315e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1316e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1317e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1318e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1319e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1320e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 13218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mProxy->setPlaybackRate(mSpeed, mPitch); 13229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 13239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1325f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1326e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 132734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 132838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 132938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 133038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1331e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 133238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 133338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 133438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 133538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 133634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 133734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1338b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 13419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 13429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 13449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 13479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1351df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 13529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 13549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 13559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 13599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 13609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1365b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 13709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 13719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1374e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 137789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 13799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 138089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 138689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 13891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1397b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1399b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 140189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1410b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1411b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1412b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1413b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1414b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1415b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1416b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1417b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1432abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 143989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144054a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14423f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1447abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1455e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 14561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1457200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 146496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1465c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1467df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1468df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1469df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 147089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 147189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 147289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 147389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1474720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 147589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1477d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1478d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 147989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1480ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1481ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1482ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1483ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1484ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1485ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1486ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1487ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1488ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1489ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 149199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 149299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1493377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 149489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 149589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 149689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 149889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 149989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1503720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1504720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 150589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 150789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1508d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 150989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 151089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1512ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1513abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 151589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 151689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 151889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 152089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 152389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 152589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15264ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 15274ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 15284ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15294ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15304ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 15314ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1532d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 15334ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 15344ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1536d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1537d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1538d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1539d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1541d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 15424ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 15434ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1544c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1545d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 154696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 15474ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 15484ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 154996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 15504ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 15514ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 15524ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15534ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 15544ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 155596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 15574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 15594ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1560d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 15614ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 15624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15634ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 15644ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15664ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 15674ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 15684ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1569df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1570df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1571df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1572d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1573df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1574df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 157596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 157696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1577df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1579df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1580df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 15814ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1582df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 15834ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15844ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15854ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 15864ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 15874ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 15884ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 15894ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15904ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15914ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 15924ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15937c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1595fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1596fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1597fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1598fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1599fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 16001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1601a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1602a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1603a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1604a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1605a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1606a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1607a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1608a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1609a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1610a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1611a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1612a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1613a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1614a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1615a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1616a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1617a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1618b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1619b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1620a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 16211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 162496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1625a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1628b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1630b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1631ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1632b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 163353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 163453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1635b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1638b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 165989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1662200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 166489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 16848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung float speed = mSpeed; 1685838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1692b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 169396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 169553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 169653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 169753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 169853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 169953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 170053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 170153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 170253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 170353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 170453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 170553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 170653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 170753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 170853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 170953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 171053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 171153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 171253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 171353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 171453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 171553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 171653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1718abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1723b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1724b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1725b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1726b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1727b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 172896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1729b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1730b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1731b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1732b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1733b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 173496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 173596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 173696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 173796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 173896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 173996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 174096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 174196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1742c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1743b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1744b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 174596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 174696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 174796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 174896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1749b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 175096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1751b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1752b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 175753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 175953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1773b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 17759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1777b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1778ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1779b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1780b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 178189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 178289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 17849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 178689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 178789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 17952d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17982d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 17992d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung minFrames = min(minFrames, uint32_t(newPosition - position)); 180089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 180189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 18062267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 18072267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 18138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ns = ((double)minFrames * 1000000000) / ((double)sampleRate * speed) + kFudgeNs; 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 182089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1831c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 18349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 183734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 184034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1841b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 18429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1843b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1844b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 184689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 184989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 185142a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 18548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung int64_t myns = ((double)(mRemainingFrames - avail) * 1100000000) 18558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung / ((double)sampleRate * speed); 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1861d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 186289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 186389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 186489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 186689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 186789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 186934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 187034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 18758555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 18768555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 18778555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 18788555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1880d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 188189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1882138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 18889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 189089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 189189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 189289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 18959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 19059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 19089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 19108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 19119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 19139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 191489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 19199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 192089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 192189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 19231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1924b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1925ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 19269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 19271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1928a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1929d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 1930a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1931a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1932ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 193323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1934b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1935b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1936b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1937200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 19384ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 19394ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 19404ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 19414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 19424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 1943200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1944200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1945a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1946200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1947200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1948ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 1949cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1950cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 19519b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // For streaming tracks, this is the amount we obtained from the user/client 19529b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // (not the number actually consumed at the server - those are already lost). 1953200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 19547ccdaad38054474b1d84b7c37ceffd98e9df354dAndy Hung if (mStaticProxy == 0) { 19559b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = mReleased; 19569b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung } 1957a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1958a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 19594ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 19604ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 19614ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 19624ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 19634ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 19644ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 19654ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 196653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 196753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 196853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 19691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1972a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 19731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 19769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 1978c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 19791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 19811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 19821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 19831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1984200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 1985200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 1986200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 1987200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 1988200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 1989200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 1990200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 1991200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 1992200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 1993200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 1994200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 1995200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 1996200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 1997200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 1998200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 1999200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 2000200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 2001200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2002200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 2003200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2004200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 20058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 20068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 20078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 20088edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 20098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 20108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status_t status; 20128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatency; 20138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getLatency(mOutput, &afLatency); 20148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getLatency(%d) failed status %d", mOutput, status); 20168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20188edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20198edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung size_t afFrameCount; 20208edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getFrameCount(mOutput, &afFrameCount); 20218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20228edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getFrameCount(output=%d) status %d", mOutput, status); 20238edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20248edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20258edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20268edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afSampleRate; 20278edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getSamplingRate(mOutput, &afSampleRate); 20288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20298edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getSamplingRate(output=%d) status %d", mOutput, status); 20308edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20318edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20328edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20338edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 20348edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, speed); 20358edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 20368edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 20378edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 20388edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 20398edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2040ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2041ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2042ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 204353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2044ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2045ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2046ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2047ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 204853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 2049fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 2050fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 2051fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 2052fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 20537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 20547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 20557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 20567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 20577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 20587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 20597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 20607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 20617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 20627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 20637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 20647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 20657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 20677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 20687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 20697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2070fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 20717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2072275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 2073275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getTimestamp"); 2074275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2075275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2076200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2077200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 2078fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 20797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2080dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 20817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 20827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 20847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 20857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 20867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 20877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 20887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 20897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 20917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 20927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 20937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 20947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 20957f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 20967f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 20977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 20987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 20997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 21007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 21017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 21027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 21037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 21058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 21068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung / ((double)mSampleRate * mSpeed); 21077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 21097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 21107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 21117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 21127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 21137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 21147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 21157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 21167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 21207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2122200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2123200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2124200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2125200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2126200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2127200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2128200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2129200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 2130200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 2131200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2132200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2133200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2134200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2135200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2136200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2137200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2138200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2139200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2140200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2141200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2142200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2143200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2144200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2145200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2146fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 2147fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2148ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2149ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2150ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2151ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 21522c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2153142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 21542c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2155b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2156b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2157b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2158ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2159ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 216023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 216123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 216223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 216323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 216423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 216523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2166ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2167ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2168ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2169ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2170ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2171ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2172ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2173ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2174ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2175ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2176ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2177ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2178ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 21797c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 218089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 218189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 218289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 218389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 218489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 218589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 218689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 218785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2188877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 218989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2190377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2191b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 219289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 21938edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 21948edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mSampleRate, mSpeed, mStatus); 219589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 21969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 219789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 219889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 219989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 220089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 220189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 22039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 22049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 22059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 22069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 22079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 22099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22107c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 22119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 22129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 22139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 22149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 22159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 22169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 22179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 22189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 221989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 222089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 222189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2222598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2223598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 22243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 222889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 222989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 223089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 223189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 223289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 22333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 22343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 22353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 22363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 22373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 22383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 22393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2240598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2241598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2242598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2243598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 22445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 22455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 22465a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 22475a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 22485a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 22495a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 22509d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 22515a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 22525a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 22533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 22547985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 22557985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 22567985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 22577c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 22589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 22599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 22609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 22619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 22625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 22639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 22649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 22659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 22665a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 22673c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 22683c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 22695a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 22709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 227134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 22725a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 22739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2274ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 227589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 227689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 22783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 22803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2281598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 22823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 22853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 22873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 22883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 22913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2293598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 22949d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 22953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 22969d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 22973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 22983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 22993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23013c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 23023c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 23033c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 23043c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (!mPaused && mPausedInt && mPausedNs > 0) { 23053c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // audio track is active and internally paused with timeout. 23063c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 23073c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mPausedInt = false; 23083c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mMyCond.signal(); 23093c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 23103c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 23113c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 23125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 23135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 23145a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 23155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 23165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 23175a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 23185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 231940bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2320