AudioTrack.cpp revision 5a8a95de6dad1a3bcf3da5a37b35766e89086e13
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; 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 481f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4882b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 492b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 493b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 494b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 495200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 498200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 4997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 505ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 506ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 507ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 509200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 51096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 5139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 541b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 544879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 545a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 549b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 555397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 55923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 560b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 561b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 562b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 563c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 564b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 565b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5719b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5739b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 5749b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 5759b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 577b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 58023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 581b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 582b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5919a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6034bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6112c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6122c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6132c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6142c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 615b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 618c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 61923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 620b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 621b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6234bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 628f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 630b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 631b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 632b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 633b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6387064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6393a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 640142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6547064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6557064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6567064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 659be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 661c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 662c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 663c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 664be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 665be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 666be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 66866e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 66966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 671c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 672be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 67323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 67459fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 67559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 676be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 679b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 681b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 682be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 683be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6842beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 685be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 686c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 687c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 688be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 689be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 690be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 692be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 693e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 694be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 695be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 696be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 697be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 698a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 699be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 700be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 702be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7053b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7075cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7085cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7095cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7105cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 7115cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (mIsTimed || isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7124ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7134ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7140d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7150d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7160d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7175cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7185cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7200d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 721573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7245a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 72526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 726d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 727d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 730e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 73126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 732e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 733573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 736a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7384ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 7393b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7404ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7414ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7436f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7446f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7456f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7466f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 747ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 748142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7496f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 750b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7516f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7526f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7536f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7546f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7556f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 756e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7595a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 7608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 7618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 7625a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 7638edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 7648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mIsTimed || isOffloadedOrDirect_l()) { 7668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 7698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 77126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7725a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 7735a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 7745a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 77526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (effectiveSpeed < AUDIO_TIMESTRETCH_SPEED_MIN 77626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectiveSpeed > AUDIO_TIMESTRETCH_SPEED_MAX 77726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectivePitch < AUDIO_TIMESTRETCH_PITCH_MIN 77826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectivePitch > AUDIO_TIMESTRETCH_PITCH_MAX) { 77926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 7805a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia //TODO: add function in AudioResamplerPublic.h to check for validity. 78126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 7828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 78326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 7845a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 7858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 7868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7875a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = playbackRate; 7885a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRate); 7895a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 7905a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia //modify this 7915a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 7925a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 7935a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 7945a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 79526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 7968edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 7978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 7988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 7995a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8008edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8025a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 807ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 808083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 809083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 810083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 824c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 82689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 82789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 8314ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 8324ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8334ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 8344ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 8354ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 83653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 8383c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8393c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 8419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 844fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 845ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 846d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 847d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 8512c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 85289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8533c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8543c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8553c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8563c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 860a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 862ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 863b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 864b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 865d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 866d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 867d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 877fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 878ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 879d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 880d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 883200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 8852b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 8863c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8873c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8883c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8893c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 893a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 895ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 896b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 897b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 898d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 899d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 900d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 910ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 911d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 912d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 9149c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9159c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9169c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 9199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 9219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 9229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 9249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 926d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9279b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 928200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9299b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 9303c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9313c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 935200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 937d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 938d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 939d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 942ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 943b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 945ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 9467064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 9477064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 9487064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 9497064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 9507064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 951142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 952b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 953b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 954b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 9557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 9567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 957b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 958b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 959275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 960275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getPosition"); 961275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 962275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 963b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 964200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 965200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 966b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 970377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 9719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 9729c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 9739c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 9749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 9769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9779c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 9819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 9829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 9839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 986ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 987083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 988083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 989083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 9901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 993d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 994d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 9969b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 9979b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 99853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 9999b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 100053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 100153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 100253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 100353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 100453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 100553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 100653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 10079b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101138e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1012c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 10131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1014b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 10151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1017aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1018aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1019aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1020aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1021aa9811945f575614b3482d09e4d969792701cebbPaul McLean return restoreTrack_l("setOutputDevice() restart"); 1022aa9811945f575614b3482d09e4d969792701cebbPaul McLean } else { 1023aa9811945f575614b3482d09e4d969792701cebbPaul McLean return NO_ERROR; 1024aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1025aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1026aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1027aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1028aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1029aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1030aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1031aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1032be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1033be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 10349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10352beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 10362beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 10372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 10382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 10392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1040be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1041be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1042e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1043e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1044e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1045e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1046e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1047e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1048e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1049e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1053200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 105434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 105534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 105634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1057e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1058e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 105934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 106034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1061e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1062e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1063e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1064e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1065aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1066aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1067aa9811945f575614b3482d09e4d969792701cebbPaul McLean (audio_session_t)mSessionId, &streamType, 1068aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1069aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1070e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1071e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 10724c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 10735bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 10744c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 107538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 107638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 107738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 107838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 107938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 108038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1081ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 1082ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1083d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 1084241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 1085ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 108738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1088d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 10894c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("createTrack_l() output %d afLatency %u", output, afLatency); 1090d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1091ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 1092b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 1093ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1094b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 109538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1096ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1097ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1098ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 1099b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 1100ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1101b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 110238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1103ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 11040d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 11050d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 11060d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 11074a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 11084a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 110943bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 11104a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 11114a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1112363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1113c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 11141dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 11151dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 11161dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 111743bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 111843bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 11194c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, track %u Hz, output %u Hz", 11204c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mTransfer, mSampleRate, afSampleRate); 1121093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1122363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 11234a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11244a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1125ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1126b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1127b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 11280e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 11290e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 11300e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1131ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1132d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1133e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1134363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1135363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1136e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1137363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1138e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1139363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1140e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1141e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1142d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1143b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1144b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1145b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1146363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1147abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1148abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1149abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1150abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1151b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1152abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1153b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1154b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1155a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1156e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1157e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1158e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11591d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1160a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1161363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 116238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 116338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1164e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1165e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1166e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1167e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1168e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1169e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1170abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1171e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 11728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 11738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 11748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 11758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 11768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 11775a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia afLatency, afFrameCount, afSampleRate, mSampleRate, 11785a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 11798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 11808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 11818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 11828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1183d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1184d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1185a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1186a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1187a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1188a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 11893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 11903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1191363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 11924a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 11933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 11943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 11953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 11964a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11974a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1198363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1199b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1200b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1201b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1202ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1203ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1204ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1205ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 120674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 120774935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1208138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1209e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1210363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1211abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1212a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 121374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1214e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1215363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 121634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 12173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1218be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1219462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 122034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1221138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1222138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 122334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1224c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 122529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 122638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 122734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1228c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1229c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 123038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 123138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 123238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1233d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1234d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 123529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 123634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 123734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 12380cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 12390cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 12400cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 12410cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 12420cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 124353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1245f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 124834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1249d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 12503bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 12513bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 12520cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1253d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 125474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1255b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1256b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1257b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1258b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 125934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1260b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1261b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 12625f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1263a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1264363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1265e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 126634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1267a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 12683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 126934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1270093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1271363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1272e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1274363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1275b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1276b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1277b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1278b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1279363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 128038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 128138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1282b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1283b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1284ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1285ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1286ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1287ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1288ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1289ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1290ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1291ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1292ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1293ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 12940e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 12950e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 12960e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 12970e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 12980e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 12990e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 13000e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 13010e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 13020e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13030e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1304b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 130538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 130638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1314363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1315138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 131634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1317363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1318138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1319138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1320138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1321138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 132234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 132334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 13242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 13258edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1326e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1327363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 13285f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1329b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1330093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1331093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1332b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1333b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1334093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1335e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1336e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1337363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1339abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1341abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 13439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1344e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1345e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1346e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1347e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1348e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1349e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 13505a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 13515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 13525a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 135326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 13545a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 13555a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 13565a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 13575a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 13585a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 13599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 13609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1362f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1363e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 136434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 136538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 136638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 136738e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1368e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 136938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 137038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 137138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 137238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 137334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 137434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1375b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 137689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1378551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1379551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1380551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1387551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1388551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1389551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1394df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1408b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1417e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 142989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 14321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1441b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 144489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 146489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 146589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 147189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 147389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1475abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 147989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 148189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148354a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 148489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14853f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1490abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1498e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 14991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1500200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 150796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1508c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1510df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1511df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1512df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 151389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 151489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 151589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 151689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1517720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 151889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1520d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1521d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1523ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1524ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1525ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1526ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1527ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1528ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1529ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1530ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1531ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1532ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 153499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 153599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1536377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 153789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 154289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1546720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1547720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1551d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 155489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1555ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1556abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 155889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 156589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15694ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 15704ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 15714ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15724ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15734ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 15744ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1575d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 15764ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 15774ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1579d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1580d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1581d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1582d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1584d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 15854ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 15864ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1587c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1588d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 158996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 15904ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 15914ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 159296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 15934ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 15944ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 15954ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15964ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 15974ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 159896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 16004ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 16024ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1603d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 16044ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16054ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16064ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 16074ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16084ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16094ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 16104ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 16114ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1612df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1613df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1614df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1615d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1616df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1617df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 161896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 161996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1620df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1622df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1623df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 16244ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1625df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 16264ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16274ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16284ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 16294ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 16304ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 16314ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 16324ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16334ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16344ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 16354ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16367c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 163789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1638fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1639fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1640fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1641fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1642fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 16431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1644a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1645a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1646a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1647a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1648a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1649a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1650a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1651a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1652a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1653a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1654a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1655a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1656a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1657a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1658a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1659a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1660a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1661b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1662b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1663a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 16641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 166796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1668a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1671b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1672b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1674ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1675f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1676f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 167753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 167853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1679b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 168089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1681c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1682b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 170389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 170489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1706200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 170889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17285a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1729838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 173796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 173953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 174053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 174153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 174253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 174353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 174453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 174553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 174653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 174753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 174853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 174953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 175053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 175153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 175253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 175353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 175453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 175553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 175653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 175753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 175853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 175953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 176053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1762abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1767b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1768b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1769b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1770b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1771b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 177296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1773b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1774b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1775b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1776b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1777b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 177896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 177996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 178096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 178196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 178296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 178396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 178496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 178596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1786c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1787b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1788b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 178996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 179096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 179196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 179296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1793b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 179496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1795b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1796b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 17999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 180153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 180353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1817b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1822ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1823b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1824b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 182589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 182689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 183089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 183189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 18349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 18392d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 18419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18422d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 18432d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung minFrames = min(minFrames, uint32_t(newPosition - position)); 184489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 184589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 18502267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 18512267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 18578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ns = ((double)minFrames * 1000000000) / ((double)sampleRate * speed) + kFudgeNs; 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 186489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1875c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 18779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 188134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 188434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1885b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1887b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1888b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 189089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 189389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 189542a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 18988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung int64_t myns = ((double)(mRemainingFrames - avail) * 1100000000) 18998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung / ((double)sampleRate * speed); 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1905d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 190689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 190789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 190889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 191089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 191189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 191334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 191434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 19198555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 19208555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 19218555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 19228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 19239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1924d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 192589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1926138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 19279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 19289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 19299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 193489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 193589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 193689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 19389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 19399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 19409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 19419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 19449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 19459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 19469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 19499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 19529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 19539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 19548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 19559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 19579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 195889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 196489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 196589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 19671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1968b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1969ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 19709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 19711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1972a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1973d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 1974a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1975a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1976ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 197723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1978b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1979b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1980b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1981200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 19824ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 19834ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 19844ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 19854ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 19864ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 1987200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1988200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1989a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1990200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1991200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1992ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 1993cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1994cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 19959b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // For streaming tracks, this is the amount we obtained from the user/client 19969b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // (not the number actually consumed at the server - those are already lost). 1997200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 19987ccdaad38054474b1d84b7c37ceffd98e9df354dAndy Hung if (mStaticProxy == 0) { 19999b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = mReleased; 20009b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung } 2001a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2002a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 20034ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 20044ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20054ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 20064ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 20074ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 20084ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 20094ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 201053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 201153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 201253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 20131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2016a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 20171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 20209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 20219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2022c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 20231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 20251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 20261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 20271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2028200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 2029200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2030200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 2031200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 2032200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 2033200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 2034200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2035200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2036200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2037200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2038200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2039200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2040200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2041200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 2042200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 2043200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 2044200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 2045200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2046200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 2047200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2048200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 20498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 20508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 20518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 20528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 20538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 20548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status_t status; 20568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatency; 20578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getLatency(mOutput, &afLatency); 20588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getLatency(%d) failed status %d", mOutput, status); 20608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20628edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20638edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung size_t afFrameCount; 20648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getFrameCount(mOutput, &afFrameCount); 20658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getFrameCount(output=%d) status %d", mOutput, status); 20678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afSampleRate; 20718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getSamplingRate(mOutput, &afSampleRate); 20728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getSamplingRate(output=%d) status %d", mOutput, status); 20748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 20788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, speed); 20798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 20808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 20818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 20828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 20838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2084ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2085ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2086ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 208753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2088ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2089ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2090ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2091ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 209253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 2093fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 2094fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 2095fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 2096fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 20977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 20987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 20997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 21007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 21017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 21027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 21037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 21047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 21067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 21077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 21087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 21097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 21117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 21127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 21137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2114fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2116275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 2117275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getTimestamp"); 2118275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2119275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2120200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2121200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 2122fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 21237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2124dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 21257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 21267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 21287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 21297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 21307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 21317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 21327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 21337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 21367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 21377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 21387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 21397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 21407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 21427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 21447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 21457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 21467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 21477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 21498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 21505a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 21517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 21537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 21547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 21557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 21567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 21577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 21587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 21597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 21607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 21647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2166200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2167200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2168200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2169200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2170200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2171200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2172200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2173200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 2174200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 2175200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2176200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2177200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2178200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2179200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2180200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2181200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2182200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2183200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2184200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2185200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2186200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2187200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2188200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2189200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2190fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 2191fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2192ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2193ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2194ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2195ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 21962c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2197142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 21982c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2199b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2200b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2201b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2202ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2203ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 220423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 220523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 220623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 220723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 220823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 220923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2210ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2211ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2212ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2213ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2214ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2215ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2216ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2217ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2218ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2219ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2220ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2221ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2222ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 22237c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 222489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 222589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 222689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 222789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 222889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 222989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 223089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 223185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2232877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 223389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2234377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2235b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 223689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 22378edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 22385a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 223989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 22409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 224189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 224289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 224389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 224489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 224589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 22479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 22489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 22499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 22509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 22519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 22539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22547c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 22559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 22569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 22579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 22589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 22599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 22609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 22619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 22629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 226389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 226489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 226589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2266598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2267598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 22683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 227289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 227389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 227489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 227589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 227689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 22773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 22783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 22793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 22803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 22813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 22823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 22833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2284598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2285598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2286598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2287598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 22885a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 22895a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 22905a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 22915a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 22925a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 22935a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 22949d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 22955a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 22965a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 22973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 22987985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 22997985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 23007985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 23017c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 23029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 23039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 23049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 23059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 23065a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 23079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 23089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 23099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 23105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 23113c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 23123c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 23135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 23149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 231534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 23165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 23179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2318ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 231989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 232089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 23223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 23243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2325598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 23263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 23293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 23313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 23323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 23353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2337598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 23389d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 23393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 23409d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 23413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 23423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 23433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23453c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 23463c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 23473c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 23483c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (!mPaused && mPausedInt && mPausedNs > 0) { 23493c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // audio track is active and internally paused with timeout. 23503c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 23513c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mPausedInt = false; 23523c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mMyCond.signal(); 23533c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 23543c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 23553c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 23565a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 23575a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 23585a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 23595a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 23605a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 23615a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 23625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 236340bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2364