AudioTrack.cpp revision 1b42097f38e72574ed853a35f4e8a66e4739c421
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 5926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// FIXME: we don't use the pitch setting in the time stretcher (not working); 6026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// instead we emulate it using our sample rate converter. 6126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic const bool kFixPitch = true; // enable pitch fix 6226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline uint32_t adjustSampleRate(uint32_t sampleRate, float pitch) 6326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 6426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? (sampleRate * pitch + 0.5) : sampleRate; 6526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 6626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 6726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustSpeed(float speed, float pitch) 6826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 6926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? (speed / pitch) : speed; 7026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 7126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 7226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustPitch(float pitch) 7326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 7426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? AUDIO_TIMESTRETCH_PITCH_NORMAL : pitch; 7526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 7626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// Must match similar computation in createTrack_l in Threads.cpp. 788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// TODO: Move to a common library 798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungstatic size_t calculateMinFrameCount( 808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatencyMs, uint32_t afFrameCount, uint32_t afSampleRate, 818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t sampleRate, float speed) 828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Ensure that buffer depth covers at least audio hardware latency 848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t minBufCount = afLatencyMs / ((1000 * afFrameCount) / afSampleRate); 858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (minBufCount < 2) { 868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung minBufCount = 2; 878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("calculateMinFrameCount afLatency %u afFrameCount %u afSampleRate %u " 898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung "sampleRate %u speed %f minBufCount: %u", 908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung afLatencyMs, afFrameCount, afSampleRate, sampleRate, speed, minBufCount); 918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return minBufCount * sourceFramesNeededWithTimestretch( 928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung sampleRate, afFrameCount, afSampleRate, speed); 938edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 948edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 9533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 9633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 97e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 98fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 10033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 101d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 102d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 103d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10404cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 1050e48d25606c82def035ad10a5b3923767a765cddAndy Hung // FIXME handle in server, like createTrack_l(), possible missing info: 106e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 107e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 108e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 1090e48d25606c82def035ad10a5b3923767a765cddAndy Hung // audio_output_flags_t flags (FAST) 1103b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 11166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 11266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 11366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 11470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 11570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 11666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 11733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 118e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 11966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 12066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 12170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 12270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 12366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 12433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 12533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 12666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 12766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 12870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 12970c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 13066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 13133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 13233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1338edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // When called from createTrack, speed is 1.0f (normal speed). 1348edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // This is rechecked again on setting playback rate (TODO: on setting sample rate, too). 1358edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount = calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, 1.0f); 13633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1370e48d25606c82def035ad10a5b3923767a765cddAndy Hung // The formula above should always produce a non-zero value under normal circumstances: 1380e48d25606c82def035ad10a5b3923767a765cddAndy Hung // AudioTrack.SAMPLE_RATE_HZ_MIN <= sampleRate <= AudioTrack.SAMPLE_RATE_HZ_MAX. 1390e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Return error in the unlikely event that it does not, as that's part of the API contract. 14066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 1410e48d25606c82def035ad10a5b3923767a765cddAndy Hung ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %u", 14266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 14366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 14466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 1458edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, afSampleRate=%u, afLatency=%u", 1468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount, afFrameCount, afSampleRate, afLatency); 14733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 14833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 153879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1544ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1554ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1567064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 157aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 158aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 160faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 161faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 162faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 163faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 167fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 169e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 17028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 171bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1720ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 175838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 177ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 178462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 179d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 180d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 181d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 182879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1834ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1844ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1857064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 186aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 187aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1890d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 190a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 191462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 192d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi offloadInfo, uid, pid, pAttributes); 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 195c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 196fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 198e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 19928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 2010ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 204838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 206ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 207462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 208d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 209d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 210d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 211879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2124ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 2134ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2147064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 215aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 216aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2180d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 21917a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 220d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 221d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi uid, pid, pAttributes); 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 232b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 237f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 23853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2393bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2403bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2424c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2434c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 244d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 249fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 251e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 25228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 253bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2540ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 257838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 259be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 261ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 262462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 263d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 264faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 265d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 267bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 2684c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 269bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2704c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 27186f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 305dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 30885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 30985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3121a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 31353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3141dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 31529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 320e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 321fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 323faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 324223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 325faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 326faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 327faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 328faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 329e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 330faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 331faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 332faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 333faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 334faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 335e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 336c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 337c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 338c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 339dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 340ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 342e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 343fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 347fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 348cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 351dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 352c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3538ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3548ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3558ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3568ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 357e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 358e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 359e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3608ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 361c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 362b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 363b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 364b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 365b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 366b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3680ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3700ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 371c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 372c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 373d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 374d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 375d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 376d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 377d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 378b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 379b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 380b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 381b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 382b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 383b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 384e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 385b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 386b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 387b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 388b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 389e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 390e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 3910d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 3920d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 3930d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 3940d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 3950d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 3965a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 3970d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 398b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 399b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 400b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 401b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 402b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 403b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 404b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 405b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 406b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 407b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 40866e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 40966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 41005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 411396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 412b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 413d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 415caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 416caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 417caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 418caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 419caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 420d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 421d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 422d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 423462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 424462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 425462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 426462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 427d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 428d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 429d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 430d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 431d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4322beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 433093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 4344a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 435be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 436a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 437896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 438a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 439bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 440a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 441a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 44234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4430d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 444a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 44534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 446a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 449a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 450a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4574ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4584ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4594ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 46053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4622c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 465200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 466200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 467200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 469d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4731b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 482f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4892b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 492b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 493b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 494b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 495b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 496200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 499200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5001b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 5011b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 5027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 508ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 509ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 510ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 512200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 51396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 5169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 544b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 545b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 547879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 548a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 558397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 56223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 563b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 564b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 565b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 566c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 567b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 568b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5749b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5769b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 5779b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 5789b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 580b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 58323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 584b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 585b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5949a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6064bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6142c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6152c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6162c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6172c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 618b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 621c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 62223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 623b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 624b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6264bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 631f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 632b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 633b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 634b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 635b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 636b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6417064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6423a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 643142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6557064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6567064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6577064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6587064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6597064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 662be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 664c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 665c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 666c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 667be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 668be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 669be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 67166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 67266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 674c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 675be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 67623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 67759fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 67859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 679be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 682b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 684b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 685be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 686be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6872beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 688be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 689c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 690c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 691be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 692be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 693be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 695be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 696e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 697be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 698be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 699be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 700be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 701a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 702be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 703be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 705be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7083b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7105cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7115cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7125cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7135cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 7145cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (mIsTimed || isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7154ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7164ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7170d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7180d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7190d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7205cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7215cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7230d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 724573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7275a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 72826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 729d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 730d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7318edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 733e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 73426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 735e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 736573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 739a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7414ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 7423b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7434ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7444ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7466f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7476f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7486f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7496f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 750ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 751142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7526f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 753b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7546f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7556f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7566f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7576f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7586f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 759e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7625a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 7638edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 7648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 7655a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 7668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 7678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mIsTimed || isOffloadedOrDirect_l()) { 7698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 7728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 77426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7755a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 7765a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 7775a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 77826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (effectiveSpeed < AUDIO_TIMESTRETCH_SPEED_MIN 77926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectiveSpeed > AUDIO_TIMESTRETCH_SPEED_MAX 78026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectivePitch < AUDIO_TIMESTRETCH_PITCH_MIN 78126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectivePitch > AUDIO_TIMESTRETCH_PITCH_MAX) { 78226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 7835a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia //TODO: add function in AudioResamplerPublic.h to check for validity. 78426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 7858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 78626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 7875a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 7888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 7898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7905a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = playbackRate; 7915a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRate); 7925a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 7935a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia //modify this 7945a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 7955a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 7965a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 7975a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 79826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 7998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8008edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8025a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8055a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 810ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 811083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 812083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 813083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 82289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 827c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 82989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 8344ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 8354ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8364ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 8374ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 8384ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 83953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 8413c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8423c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 8439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 847fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 848ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 849d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 850d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 85189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 85389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 8542c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8563c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8573c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8583c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8593c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 863a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 865ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 866b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 867b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 868d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 869d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 870d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 880fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 881ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 882d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 883d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 886200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 8882b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 8893c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8903c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8913c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8923c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 896a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 898ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 899b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 900b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 901d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 902d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 903d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 913ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 914d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 915d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 9179c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9189c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9199c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 9229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 9249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 9259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 9269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 9279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 929d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9309b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 931200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9329b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 9333c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9343c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 938200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 940d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 941d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 942d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 945ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 946b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 948ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 9497064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 9507064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 9517064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 9527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 9537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 954142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 955b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 956b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 957b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 9587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 9597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 960b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 961b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 962275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 963275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getPosition"); 964275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 965275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 966b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 967200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 968200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 969b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 973377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 9749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 9759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 9769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 9779c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 9799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 9849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 9859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 9869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 989ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 990083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 991083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 992083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 9931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 996d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 997d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 9999b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 10009b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 10011b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 100253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 10039b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 100453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 100553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 100653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 100753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 100853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 100953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 101053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 10119b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101538e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1016c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 10171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1018b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 10191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1021aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1022aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1023aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1024aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1025493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1026aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1027493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1028aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1029aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1030aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1031aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1032aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1033aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1034aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1035be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1036be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 10379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 10392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 10402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 10412beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 10422beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1043be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1044be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1045e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1046e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1047e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1048e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1049e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1050e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1051e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1052e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1056200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 105734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 105834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 105934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1060e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1061e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 106234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 106334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1064e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1065e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1066e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1067e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1068aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1069aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1070aa9811945f575614b3482d09e4d969792701cebbPaul McLean (audio_session_t)mSessionId, &streamType, 1071aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1072aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1073e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1074e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 10754c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 10765bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 10774c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 107838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 107938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 108038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 108138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 108238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 108338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1084ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 1085ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1086d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 1087241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 1088ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 109038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1091d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 10924c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("createTrack_l() output %d afLatency %u", output, afLatency); 1093d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1094ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 1095b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 1096ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1097b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 109838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1099ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1100ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1101ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 1102b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 1103ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1104b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 110538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1106ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 11070d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 11080d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 11090d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 11104a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 11114a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 111243bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 11134a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 11144a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1115363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1116c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 11171dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 11181dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 11191dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 112043bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 112143bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 11224c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, track %u Hz, output %u Hz", 11234c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mTransfer, mSampleRate, afSampleRate); 1124093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1125363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 11264a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11274a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1128ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1129b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1130b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 11310e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 11320e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 11330e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1134ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1135d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1136e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1137363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1138363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1139e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1140363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1141e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1142363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1143e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1144e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1145d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1146b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1147b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1148b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1149363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1150abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1151abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1152abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1153abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1154b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1155abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1156b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1157b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1158a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1159e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1160e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1161e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11621d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1163a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1164363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 116538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 116638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1167e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1168e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1169e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1170e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1171e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1172e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1173abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1174e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 11758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 11768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 11778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 11788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 11798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 11805a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia afLatency, afFrameCount, afSampleRate, mSampleRate, 11815a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 11828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 11838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 11848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 11858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1186d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1187d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1188a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1189a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1190a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1191a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 11923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 11933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1194363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 11954a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 11963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 11973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 11983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 11994a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12004a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1201363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1202b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1203b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1204b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1205ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1206ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1207ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1208ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 120974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 121074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1211138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1212e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1213363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1214abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1215a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 121674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1217e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1218363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 121934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 12203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1221be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1222462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 122334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1224138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1225138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 122634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1227c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 122829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 122938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 123034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1231c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1232c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 123338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 123438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 123538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1236d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1237d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 123829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 123934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 124034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 12410cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 12420cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 12430cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 12440cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 12450cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 124653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1248f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 125134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1252d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 12533bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 12543bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 12550cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1256d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 125774935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1258b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1259b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1260b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1261b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 126234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1263b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1264b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 12655f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1266a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1267363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1268e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 126934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1270a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 12713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 127234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1273093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1274363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1275e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1277363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1278b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1279b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1280b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1281b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1282363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 128338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 128438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1285b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1286b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1287ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1288ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1289ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1290ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1291ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1292ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1293ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1294ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1295ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1296ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 12970e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 12980e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 12990e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 13000e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 13010e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 13020e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 13030e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 13040e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 13050e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13060e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1307b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 130838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 130938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 13169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1317363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1318138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 131934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1320363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1321138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1322138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1323138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1324138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 132534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 132634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 13272beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 13288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1329e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1330363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 13315f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1332b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1333093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1334093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1335b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1336b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1337093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1338e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1339e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1340363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 13419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1342abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1344abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1347e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1348e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1349e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1350e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1351e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1352e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 13535a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 13545a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 13555a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 135626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 13575a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 13585a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 13595a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 13605a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 13615a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1365f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1366e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 136734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 136838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 136938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 137038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1371e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 137238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 137338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 137438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 137538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 137634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 137734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1378b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1381551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1382551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1383551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1390551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1391551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1392551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1397df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1411b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1420e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 142689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 14351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 14419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1443b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 146789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 146889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 147489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 147689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1478abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 148489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 148589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148654a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 148789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14883f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1493abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1501e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1503200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 151096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1511c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1513df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1514df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1515df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 151689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 151889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1520720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 152189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1523d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1524d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 152589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1526ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1527ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1528ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1529ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1530ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1531ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1532ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1533ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1534ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1535ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 153799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 153899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1539377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 154589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1549720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1550720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1554d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 155589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 155689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 155789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1558ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1559abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 156289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15724ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 15734ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 15744ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15754ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15764ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 15774ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1578d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 15794ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 15804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1582d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1583d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1584d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1585d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1587d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 15884ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 15894ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1590c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1591d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 159296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 15934ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 15944ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 159596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 15964ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 15974ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 15984ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15994ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 16004ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 160196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 16034ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 16054ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1606d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 16074ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16084ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16094ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 16104ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16114ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16124ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 16134ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 16144ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1615df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1616df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1617df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1618d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1619df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1620df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 162196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 162296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1623df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1625df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1626df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 16274ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1628df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 16294ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16304ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16314ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 16324ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 16334ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 16344ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 16354ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16364ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16374ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 16384ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16397c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1641fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1642fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1643fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1644fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1645fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 16461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1647a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1648a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1649a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1650a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1651a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1652a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1653a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1654a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1655a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1656a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1657a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1658a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1659a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1660a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1661a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1662a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1663a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1664b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1665b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1666a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 16671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 167096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1671a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1674b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1675b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1676b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1677ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1678f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1679f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 168053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 168153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1682b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 168389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1684c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 168789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 170689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 170789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1709200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 171189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17315a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1732838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1739b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 174096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 174253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 174353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 174453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 174553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 174653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 174753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 174853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 174953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 175053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 175153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 175253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 175353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 175453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 175553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 175653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 175753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 175853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 175953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 176053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 176153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 176253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 176353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1765abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1770b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1771b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1772b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1773b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1774b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 177596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1776b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1777b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1778b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1779b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1780b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 178196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 178296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 178396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 178496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 178596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 178696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 178796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 178896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1789c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1790b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1791b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 179296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 179396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 179496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 179596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1796b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 179796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1798b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1799b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 180453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 180653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1820b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1824b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1825ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1826b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1827b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 182889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 182989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 183389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 183489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 18422d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 18449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18452d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 18462d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung minFrames = min(minFrames, uint32_t(newPosition - position)); 184789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 184889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 18532267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 18542267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 18608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ns = ((double)minFrames * 1000000000) / ((double)sampleRate * speed) + kFudgeNs; 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 186789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1878c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 188434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 188734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1888b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1890b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1891b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 189389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 18959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 189689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 189842a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 19018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung int64_t myns = ((double)(mRemainingFrames - avail) * 1100000000) 19028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung / ((double)sampleRate * speed); 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1908d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 190989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 191089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 191189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 191389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 191489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 191634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 191734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 19199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 19228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 19238555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 19248555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 19258555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 19269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1927d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 192889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1929138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 19349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 19369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 193789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 193889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 193989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 19419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 19429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 19439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 19449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 19499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 19529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 19539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 19549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 19559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 19569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 19578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 19589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 196189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 19649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 19669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 196789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 196889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 19701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1971b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1972ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 19739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 19741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1975a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1976d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 1977a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1978a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1979ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 198023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1981b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1982b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1983b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1984200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 19854ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 19864ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 19874ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 19884ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 19894ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 1990200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1991200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1992a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1993200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1994200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1995ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 1996cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1997cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 19989b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // For streaming tracks, this is the amount we obtained from the user/client 19999b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // (not the number actually consumed at the server - those are already lost). 2000200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 20017ccdaad38054474b1d84b7c37ceffd98e9df354dAndy Hung if (mStaticProxy == 0) { 20029b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = mReleased; 20039b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung } 2004a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2005a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 20064ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 20074ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20084ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 20094ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 20104ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 20114ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 20124ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 201353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 201453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 201553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 20161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2019a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 20201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 20239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 20249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2025c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 20261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 20281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 20291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 20301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2031200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 2032200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2033200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 2034200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 2035200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 2036200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 2037200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2038200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2039200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2040200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2041200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2042200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2043200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2044200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 2045200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 2046200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 2047200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 2048200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2049200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 2050200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2051200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 20528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 20538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 20548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 20558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 20568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 20578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status_t status; 20598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatency; 20608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getLatency(mOutput, &afLatency); 20618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20628edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getLatency(%d) failed status %d", mOutput, status); 20638edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung size_t afFrameCount; 20678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getFrameCount(mOutput, &afFrameCount); 20688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getFrameCount(output=%d) status %d", mOutput, status); 20708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afSampleRate; 20748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getSamplingRate(mOutput, &afSampleRate); 20758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getSamplingRate(output=%d) status %d", mOutput, status); 20778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 20818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, speed); 20828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 20838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 20848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 20858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 20868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2087ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2088ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2089ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 209053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2091ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2092ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2093ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2094ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 209553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 20961b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 20971b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 20981b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 20991b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 21001b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2101fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 2102fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 2103fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 2104fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 21077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 21087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 21097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 21107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 21117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 21127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 21147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 21157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 21167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 21177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 21197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 21207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 21217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2122fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2124275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 2125275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getTimestamp"); 2126275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2127275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2128200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2129200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 2130fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 21317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2132dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 21337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 21347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 21367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 21377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 21387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 21397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 21407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 21417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 21447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 21457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 21467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 21477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 21487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 21507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 21527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 21537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 21547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 21557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 21578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 21585a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 21597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 21617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 21627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 21637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 21647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 21657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 21667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 21677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 21687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 21727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2174200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2175200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2176200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2177200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2178200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2179200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2180200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2181200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 2182200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 2183200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2184200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2185200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2186200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2187200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2188200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2189200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2190200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2191200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2192200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2193200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2194200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2195200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2196200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2197200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2198fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21991b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22001b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 22011b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 22021b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 22031b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 22041b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#define TIME_TO_NANOS(time) ((uint64_t)time.tv_sec * 1000000000 + time.tv_nsec) 22051b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk const uint64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 22061b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk const uint64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 22071b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 22081b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 22091b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 22101b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 22111b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22121b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22131b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 22141b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 22151b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk int32_t deltaPosition = static_cast<int32_t>(timestamp.mPosition 22161b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk - mPreviousTimestamp.mPosition); 22171b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 22181b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 22191b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW_IF(deltaPosition < 0, 22201b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk "retrograde timestamp position corrected, %d = %u - %u, (at %llu, %llu nanos)", 22211b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk deltaPosition, 22221b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp.mPosition, 22231b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp.mPosition, 22241b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk currentTimeNanos, 22251b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk previousTimeNanos); 22261b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 22271b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 22281b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22291b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22301b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 22311b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 22321b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22331b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2234fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2235ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2236ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2237ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2238ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 22392c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2240142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 22412c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2242b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2243b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2244b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2245ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2246ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 224723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 224823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 224923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 225023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 225123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 225223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2253ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2254ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2255ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2256ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2257ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2258ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2259ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2260ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2261ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2262ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2263ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2264ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2265ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 22667c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 226789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 226889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 226989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 227089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 227189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 227289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 227389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 227485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2275877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 227689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2277377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2278b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 227989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 22808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 22815a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 228289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 22839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 228489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 228589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 228689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 228789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 228889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 22909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 22919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 22929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 22939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 22949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 22969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22977c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 22989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 22999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 23009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 23019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 23029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 23039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 23049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 23059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 230689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 230789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 230889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2309598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2310598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 23113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 231589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 231689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 231789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 231889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 231989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 23203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 23213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 23223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 23233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 23243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 23253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 23263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2327598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2328598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2329598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2330598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 23315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 23325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 23335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 23345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 23355a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 23365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 23379d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 23385a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 23395a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 23403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 23417985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 23427985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 23437985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 23447c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 23459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 23469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 23479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 23489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 23495a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 23509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 23519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 23529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 23535a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 23543c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 23553c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 23565a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 23579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 235834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 23595a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 23609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2361ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 236289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 236389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 23653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 23673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2368598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 23693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 23723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 23743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 23753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 23783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2380598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 23819d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 23823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 23839d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 23843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 23853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 23863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23883c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 23893c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 23903c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 23913c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (!mPaused && mPausedInt && mPausedNs > 0) { 23923c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // audio track is active and internally paused with timeout. 23933c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 23943c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mPausedInt = false; 23953c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mMyCond.signal(); 23963c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 23973c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 23983c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 23995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 24005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 24015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 24025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 24035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 24045a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 24055a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 240640bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2407