AudioTrack.cpp revision 296fb13dd9b5e90d6a05cce897c3b1e7914a478a
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 } 237296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent // No lock here: worst case we remove a NULL callback which will be a nop 238296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 239296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 240296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 241f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 24253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2433bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2443bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2464c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2474c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 248d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 253fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 255e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 25628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 257bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2580ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 261838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 263be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 265ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 266462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 267d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 268faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 269d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 271bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 2724c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 273bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2744c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 27586f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 309dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 31285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 31385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3161a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 31753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3181dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 31929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 324e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 325fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 327faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 328223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 329faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 330faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 331faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 332faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 333e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 334faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 335faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 336faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 337faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 338faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 339e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 340c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 341c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 342c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 343dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 344ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 346e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 347fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 351fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 352cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 355dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 356c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3578ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3588ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3598ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3608ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 361e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 362e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 363e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3648ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 365c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 366b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 368b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 369b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 370b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 371b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3720ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3740ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 375c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 376c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 377d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 378d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 379d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 380d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 381d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 382b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 383b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 384b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 385b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 386b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 387b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 388e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 389b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 390b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 391b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 392b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 393e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 394e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 3950d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 3960d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 3970d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 3980d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 3990d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 4003a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = sampleRate; 4015a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 4020d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 403b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 404b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 405b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 406b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 407b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 408b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 409b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 410b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 411b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 412b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 41366e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 41466e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 41505632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 416396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 417b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 418d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 420caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 421caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 422caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 423caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 424caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 425d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 426d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 427d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 428462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 429462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 430462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 431462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 432d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 433d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 434d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 435d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 436d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 438093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 4394a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 440be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 441a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 442896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 443a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 444bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 445a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 446a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 44734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4480d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 449a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 45034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 451a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 454a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 455a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4624ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4634ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4644ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 46553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4672c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 470200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 471200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 472200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 474d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4781b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 487f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4942b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 496b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 497b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 498b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 499b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 500b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 501200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 504200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5051b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 5061b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 5077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 513ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 514ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 515ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 517200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 51896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 548b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 549b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 550b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 552879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 553a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 563397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 56723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 568b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 569b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 570b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 571c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 572b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 573b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5799b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5819b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 5829b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 5839b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 585b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 58823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 589b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5999a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6114bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6192c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6202c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6212c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6222c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 623b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 626c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 62723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 628b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6314bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 636f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 637b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 638b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 639b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 640b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 641b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6467064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6473a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 648142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6607064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6617064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6627064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6637064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6647064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 667be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 669c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 670c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 671c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 672be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 673be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 674be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 67666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 67766e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 679c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 680be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 68123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 68259fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 68359fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 684be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 687b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 689b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 690be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 691be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6922beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 693be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 694c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 695c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 696be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 697be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 698be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 700be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 701e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 702be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 703be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 704be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 705be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 706a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 707be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 708be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 710be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7133b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7155cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7165cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7175cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7185cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 7195cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (mIsTimed || isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7204ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7214ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7220d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7230d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7240d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7255cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7265cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7280d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 729573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7325a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 73326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 734d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 735d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7368edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 738e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 73926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 740e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 741573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 744a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7464ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 7473b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7484ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7494ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7516f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7526f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7536f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7546f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 755ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 756142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7576f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 758b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7596f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7606f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7616f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7626f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7636f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 764e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7673a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 7683a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 7693a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar if (mIsTimed) { 7703a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return 0; 7713a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar } 7723a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 7733a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 7743a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 7753a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 7765a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 7778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 7788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 7795a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 7808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 7818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mIsTimed || isOffloadedOrDirect_l()) { 7838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 7858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 7868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 7878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 78826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7895a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 7905a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 7915a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 79226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (effectiveSpeed < AUDIO_TIMESTRETCH_SPEED_MIN 79326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectiveSpeed > AUDIO_TIMESTRETCH_SPEED_MAX 79426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectivePitch < AUDIO_TIMESTRETCH_PITCH_MIN 79526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung || effectivePitch > AUDIO_TIMESTRETCH_PITCH_MAX) { 79626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 7975a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia //TODO: add function in AudioResamplerPublic.h to check for validity. 79826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 7998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 80026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 8015a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 8028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8045a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = playbackRate; 8055a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRate); 8065a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8075a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia //modify this 8085a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8095a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8105a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8115a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 81226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 8138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8165a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8188edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8195a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8208edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 82289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 82389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 824ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 825083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 826083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 827083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 841c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 8429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 8484ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 8494ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8504ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 8514ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 8524ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 85353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 8553c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8563c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 8579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 8589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 861fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 862ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 863d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 864d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 8682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 86989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8703c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8713c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8723c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 8733c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 877a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 879ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 880b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 881b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 882d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 883d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 884d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 894fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 895ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 896d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 897d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 900200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 9022b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 9033c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9043c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9053c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9063c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 910a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 912ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 913b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 914b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 915d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 916d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 917d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 927ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 928d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 929d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 9319c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9329c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9339c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 9369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 9379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 9389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 9399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 943d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9449b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 945200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9469b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 9473c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9483c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 952200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 954d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 955d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 956d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 959ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 960b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 962ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 9637064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 9647064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 9657064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 9667064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 9677064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 968142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 969b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 970b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 971b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 9727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 9737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 974b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 975b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 976275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 977275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getPosition"); 978275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 979275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 980b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 981200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 982200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 983b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 987377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 9889c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 9899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 9909c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 9919c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9929c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 9939c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9949c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9959c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 9989c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 9999c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 10009c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1003ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 1004083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1005083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1006083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 10071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1010d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1011d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 10139b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 10149b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 10151b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 101653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 10179b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 101853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 101953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 102053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 102153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 102253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 102353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 102453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 10259b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1030c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 10311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1032b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 10331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1035aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1036aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1037aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1038aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1039493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1040aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1041493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1042aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1043aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1044aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1045aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1046aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1047aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1048aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1049296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1050296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1051296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1052296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1053296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1054296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1055296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1056296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1057be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1058be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10602beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 10612beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 10622beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 10632beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 10642beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1065be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1066be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1067e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1068e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1069e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1070e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1071e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1072e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1073e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1074e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1078200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 107934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 108034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 108134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1082e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1083e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 108434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 108534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1086296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1087296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1088296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1089e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1090e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1091e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1092e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1093aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1094aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 10958c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent (audio_session_t)mSessionId, &streamType, mClientUid, 1096aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1097aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1098e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1099e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 11004c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 11015bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 11024c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 110338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 110438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 110538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 110638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 110738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 110838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1109ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 1110ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1111d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 1112241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 1113ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 111538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1116d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 11174c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("createTrack_l() output %d afLatency %u", output, afLatency); 1118d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1119ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 1120b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 1121ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1122b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 112338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1124ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1125ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1126ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 1127b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 1128ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1129b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 113038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1131ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 11320d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 11330d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 11343a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = afSampleRate; 11350d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 11364a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 11374a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 113843bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 11394a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 11404a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1141363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1142c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 11431dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 11441dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 11451dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 114643bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 114743bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 11484c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, track %u Hz, output %u Hz", 11494c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mTransfer, mSampleRate, afSampleRate); 1150093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1151363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 11524a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11534a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1154ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1155b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1156b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 11570e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 11580e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 11590e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1160ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1161d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1162e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1163363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1164363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1165e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1166363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1167e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1168363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1169e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1170e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1171d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1172b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1173b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1174b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1175363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1176abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1177abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1178abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1179abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1180b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1181abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1182b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1183b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1184a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1185e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1186e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1187e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11881d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1189a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1190363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 119138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 119238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1193e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1194e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1195e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1196e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1197e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1198e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1199abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1200e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 12018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 12028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 12048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 12058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 12065a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia afLatency, afFrameCount, afSampleRate, mSampleRate, 12075a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 12088edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 12098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 12108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 12118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1212d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1213d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1214a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1215a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1216a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1217a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 12183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 12193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1220363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 12214a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 12223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 12233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 12243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 12254a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12264a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1227363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1228b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1229b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1230b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1231ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1232ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1233ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1234ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 123574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 123674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1237138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1238e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1239363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1240abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1241a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 124274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1243e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1244363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 124534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 12463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1247be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1248462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 124934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1250138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1251138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 125234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1253c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 125429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 125538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 125634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1257c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1258c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 125938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 126038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 126138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1262d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1263d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 126429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 126534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 126634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 12670cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 12680cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 12690cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 12700cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 12710cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 127253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1274f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 127734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1278d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 12793bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 12803bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 12810cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1282d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 128374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1284b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1285b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1286b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1287b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 128834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1289b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1290b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 12915f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1292a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1293363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1294e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 129534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1296a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 12973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 129834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1299093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1300363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1301e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1303363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1304b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1305b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1306b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1307b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1308363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 130938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 131038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1311b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1312b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1313ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1314ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1315ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1316ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1317ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1318ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1319ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1320ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1321ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1322ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 13230e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 13240e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 13250e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 13260e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 13270e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 13280e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 13290e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 13300e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 13310e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13320e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1333b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 133438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 133538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 13379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 13399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 13419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 13429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1343363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1344138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 134534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1346363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1347138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1348138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1349138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1350138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 135134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 135234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 13532beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 13548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1355e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1356363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 13575f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1358b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1359093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1360093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1361b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1362b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1363093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1364e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1365e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1366363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1368abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1370abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1373e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1374e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1375e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1376e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1377e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1378e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 13795a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 13805a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 13815a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 138226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 13835a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 13845a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 13855a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 13865a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 13875a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1391f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1392e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1393296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1394296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1395296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1396296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 139734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 139838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 139938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 140038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1401e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 140238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 140338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 140438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 140538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 140634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 140734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1408b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 140989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1411551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1412551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1413551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1420551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1421551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1422551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1427df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1441b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1450e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 145389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 145689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 14651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1474b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 147789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 147889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1492b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1493b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 149789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 149889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 150489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 150689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1508abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 151289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 151489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 151589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 151654a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15183f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1523abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1531e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1533200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 154096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1541c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1543df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1544df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1545df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 154689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1550720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1553d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1554d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 155589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1556ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1557ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1558ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1559ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1560ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1561ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1562ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1563ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1564ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1565ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 156799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 156899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1569377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 157489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 157589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1579720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1580720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1584d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1588ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1589abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 159189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 159289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 159389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 159889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16024ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 16034ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 16044ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16054ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16064ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 16074ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1608d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 16094ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 16104ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1612d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1613d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1614d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1615d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1617d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 16184ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 16194ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1620c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1621d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 162296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 16234ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 16244ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 162596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 16264ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16274ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16284ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16294ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 16304ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 163196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 16334ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 16354ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1636d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 16374ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16384ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16394ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 16404ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16414ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16424ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 16434ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 16444ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1645df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1646df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1647df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1648d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1649df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1650df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 165196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 165296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1653df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1655df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1656df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 16574ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1658df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 16594ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16604ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16614ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 16624ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 16634ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 16644ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 16654ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16664ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16674ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 16684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16697c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 167089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1671fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1672fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1673fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1674fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1675fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 16761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1677a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1678a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1679a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1680a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1681a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1682a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1683a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1684a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1685a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1686a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1687a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1688a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1689a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1690a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1691a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1692a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1693a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1694b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1695b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1696a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 16971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 170096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1701a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1704b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1705b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1706b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1707ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1708f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1709f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 171053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 171153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 171389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1714c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1715b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 171789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 173689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 173789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1739200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 174189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17615a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1762838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1769b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 177096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 177253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 177353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 177453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 177553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 177653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 177753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 177853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 177953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 178053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 178153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 178253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 178353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 178453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 178553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 178653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 178753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 178853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 178953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 179053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 179153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 179253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 179353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1795abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 17999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1800b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1801b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1802b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1803b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1804b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 180596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1806b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1807b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1808b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1809b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 181196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 181296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 181396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 181496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 181596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 181696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 181796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 181896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1819c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1820b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 182296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 182396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 182496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 182596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1826b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 182796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1828b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1829b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 183453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 183653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1850b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1854b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1855ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1856b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1857b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 185889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 185989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 186389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 186489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 18722d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18752d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 18762d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung minFrames = min(minFrames, uint32_t(newPosition - position)); 187789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 187889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 18832267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 18842267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 18889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 18908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ns = ((double)minFrames * 1000000000) / ((double)sampleRate * speed) + kFudgeNs; 18919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 18959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 189789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 19059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1908c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 19109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 19119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 19129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 19139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 191434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 191734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1918b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 19199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1920b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1921b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 19229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 192389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 19259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 192689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 192842a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 19299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 19318edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung int64_t myns = ((double)(mRemainingFrames - avail) * 1100000000) 19328edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung / ((double)sampleRate * speed); 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 19349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1938d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 193989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 194089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 194189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 194389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 194489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 194634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 194734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 19499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 19528555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 19538555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 19548555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 19558555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 19569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1957d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 195889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1959138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 19629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 19649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 19659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 19669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 196789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 196889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 196989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 19719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 19729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 19739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 19749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 19789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 19799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 19829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 19839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 19849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 19859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 19869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 19878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 19889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 19909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 199189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 19939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 19949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 19969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 199789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 199889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 20001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2001b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2002ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 20039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 20041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2005a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2006d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2007a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2008a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2009ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 201023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 2011b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2012b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2013b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 2014200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 20154ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 20164ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 20174ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20184ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 20194ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2020200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2021200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2022a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2023200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2024200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2025ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2026cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2027cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 20289b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // For streaming tracks, this is the amount we obtained from the user/client 20299b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // (not the number actually consumed at the server - those are already lost). 2030200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 20317ccdaad38054474b1d84b7c37ceffd98e9df354dAndy Hung if (mStaticProxy == 0) { 20329b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = mReleased; 20339b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung } 2034a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2035a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 20364ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 20374ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20384ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 20394ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 20404ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 20414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 20424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 204353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 204453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 204553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 20461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2049a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 20501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 20539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 20549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2055c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 20561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 20571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 20581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 20591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 20601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2061200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 2062200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2063200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 2064200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 2065200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 2066200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 2067200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2068200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2069200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2070200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2071200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2072200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2073200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2074200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 2075200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 2076200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 2077200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 2078200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2079200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 2080200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2081200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 20828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 20838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 20848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 20858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 20868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 20878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status_t status; 20898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatency; 20908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getLatency(mOutput, &afLatency); 20918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getLatency(%d) failed status %d", mOutput, status); 20938edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 20948edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 20958edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 20968edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung size_t afFrameCount; 20978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getFrameCount(mOutput, &afFrameCount); 20988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 20998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getFrameCount(output=%d) status %d", mOutput, status); 21008edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 21018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 21038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afSampleRate; 21048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung status = AudioSystem::getSamplingRate(mOutput, &afSampleRate); 21058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (status != NO_ERROR) { 21068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGE("getSamplingRate(output=%d) status %d", mOutput, status); 21078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return false; 21088edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 21108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 21118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, speed); 21128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 21138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 21148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 21158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 21168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2117ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2118ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2119ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 212053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2121ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2122ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2123ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2124ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 212553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 21261b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 21271b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 21281b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 21291b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 21301b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2131fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 2132fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 2133fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 2134fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 21377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 21387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 21397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 21407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 21417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 21427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 21447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 21457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 21467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 21477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 21497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 21507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 21517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2152fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2154275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 2155275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getTimestamp"); 2156275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2157275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2158200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2159200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 2160fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 21617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2162dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 21637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 21647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 21667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 21677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 21687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 21697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 21707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 21717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 21747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 21757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 21767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 21777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 21787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 21807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 21827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 21837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 21847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 21857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 21878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 21885a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 21897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 21917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 21927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 21937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 21947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 21957f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 21967f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 21977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 21987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 22027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2204200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2205200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2206200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2207200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2208200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2209200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2210200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2211200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 2212200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 2213200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2214200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2215200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2216200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2217200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2218200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2219200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2220200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2221200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2222200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2223200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2224200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2225200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2226200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2227200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2228fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 22291b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22301b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 22311b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 22321b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 22331b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 22341b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#define TIME_TO_NANOS(time) ((uint64_t)time.tv_sec * 1000000000 + time.tv_nsec) 22351b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk const uint64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 22361b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk const uint64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 22371b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 22381b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 22391b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 22401b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 22411b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22421b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22431b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 22441b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 22451b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk int32_t deltaPosition = static_cast<int32_t>(timestamp.mPosition 22461b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk - mPreviousTimestamp.mPosition); 22471b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 22481b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 22494c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 22504c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 22514c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 22524c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 22534c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 22544c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 22554c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 22564c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 22574c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 22584c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 22594c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 22604c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 22611b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 22621b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 22631b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22641b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22651b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 22661b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 22671b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 22681b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2269fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2270ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2271ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2272ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2273ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 22742c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2275142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 22762c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2277b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2278b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2279b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2280ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2281ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 228223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 228323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 228423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 228523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 228623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 228723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2288ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2289ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2290ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2291ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2292ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2293ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2294ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2295ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2296ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2297ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2298ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2299ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2300ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 23017c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 230289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 230389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 230489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 230589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 230689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 230789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 230889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 230985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2310877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 231189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2312377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2313b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 231489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 23158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 23165a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 231789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 23189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 231989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 232089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 232189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 232289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 232389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 23259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 23269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 23279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 23289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 23299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2330296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2331296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2332296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2333296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2334296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2335296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2336296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2337296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2338296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2339296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2340296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2341296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2342296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2343296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2344296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2345296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2346296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2347296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2348296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2349296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2350296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2351296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2352296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2353296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2354296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2355296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2356296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2357296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2358296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2359296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2360296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2361296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2362296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2363296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2364296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2365296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2366296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2367296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2368296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2369296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2370296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2371296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 23729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 23739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 23747c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 23759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 23769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 23779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 23789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 23799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 23809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 23819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 23829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 238389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 238489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 238589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2386598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2387598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 23883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 23893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 23903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 23913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 239289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 239389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 239489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 239589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 239689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 23973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 23983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 23993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 24003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 24013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 24023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 24033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2404598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2405598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2406598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2407598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 24085a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 24095a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 24105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 24115a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 24125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 24135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 24149d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 24155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 24165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 24173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 24187985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 24197985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 24207985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 24217c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 24229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 24239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 24249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 24259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 24265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 24279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 24289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 24299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 24305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 24313c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 24323c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 24335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 24349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 243534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 24365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 24379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2438ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 243989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 244089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 24423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 24433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 24443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2445598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 24463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 24473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 24483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 24493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 24503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 24513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 24523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 24533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 24543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 24553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 24563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2457598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 24589d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 24593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 24609d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 24613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 24623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 24633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 24643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 24653c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 24663c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 24673c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 24683c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (!mPaused && mPausedInt && mPausedNs > 0) { 24693c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // audio track is active and internally paused with timeout. 24703c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 24713c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mPausedInt = false; 24723c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mMyCond.signal(); 24733c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 24743c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 24753c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 24765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 24775a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 24785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 24795a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 24805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 24815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 24825a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 248340bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2484