AudioTrack.cpp revision ff874dc957f9ea70d87f4d627bf903e1fc86d58b
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 41a7f03353d5f172016f324e2a01f301cca6794152Andy Hung// TODO: Move to a separate .h 42a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 434ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hungtemplate <typename T> 44a7f03353d5f172016f324e2a01f301cca6794152Andy Hungstatic inline const T &min(const T &x, const T &y) { 454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung return x < y ? x : y; 464ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung} 474ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung 48a7f03353d5f172016f324e2a01f301cca6794152Andy Hungtemplate <typename T> 49a7f03353d5f172016f324e2a01f301cca6794152Andy Hungstatic inline const T &max(const T &x, const T &y) { 50a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return x > y ? x : y; 51a7f03353d5f172016f324e2a01f301cca6794152Andy Hung} 52a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 53a7f03353d5f172016f324e2a01f301cca6794152Andy Hungstatic inline nsecs_t framesToNanoseconds(ssize_t frames, uint32_t sampleRate, float speed) 54a7f03353d5f172016f324e2a01f301cca6794152Andy Hung{ 55a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ((double)frames * 1000000000) / ((double)sampleRate * speed); 56a7f03353d5f172016f324e2a01f301cca6794152Andy Hung} 57a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t convertTimespecToUs(const struct timespec &tv) 597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000; 617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung// current monotonic time in microseconds. 647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t getNowUs() 657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung struct timespec tv; 677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (void) clock_gettime(CLOCK_MONOTONIC, &tv); 687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return convertTimespecToUs(tv); 697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// FIXME: we don't use the pitch setting in the time stretcher (not working); 7226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung// instead we emulate it using our sample rate converter. 7326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic const bool kFixPitch = true; // enable pitch fix 7426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline uint32_t adjustSampleRate(uint32_t sampleRate, float pitch) 7526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 7626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? (sampleRate * pitch + 0.5) : sampleRate; 7726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 7826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 7926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustSpeed(float speed, float pitch) 8026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 816c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return kFixPitch ? speed / max(pitch, AUDIO_TIMESTRETCH_PITCH_MIN_DELTA) : speed; 8226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 8326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 8426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hungstatic inline float adjustPitch(float pitch) 8526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung{ 8626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return kFixPitch ? AUDIO_TIMESTRETCH_PITCH_NORMAL : pitch; 8726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung} 8826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung 898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// Must match similar computation in createTrack_l in Threads.cpp. 908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung// TODO: Move to a common library 918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungstatic size_t calculateMinFrameCount( 928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t afLatencyMs, uint32_t afFrameCount, uint32_t afSampleRate, 938edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t sampleRate, float speed) 948edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 958edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Ensure that buffer depth covers at least audio hardware latency 968edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung uint32_t minBufCount = afLatencyMs / ((1000 * afFrameCount) / afSampleRate); 978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (minBufCount < 2) { 988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung minBufCount = 2; 998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1008edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("calculateMinFrameCount afLatency %u afFrameCount %u afSampleRate %u " 1018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung "sampleRate %u speed %f minBufCount: %u", 1028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung afLatencyMs, afFrameCount, afSampleRate, sampleRate, speed, minBufCount); 1038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return minBufCount * sourceFramesNeededWithTimestretch( 1048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung sampleRate, afFrameCount, afSampleRate, speed); 1058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 1068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 10733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 10833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 109e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 110fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 11133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 11233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 113d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 114d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 115d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 1170e48d25606c82def035ad10a5b3923767a765cddAndy Hung // FIXME handle in server, like createTrack_l(), possible missing info: 118e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 119e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 120e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 1210e48d25606c82def035ad10a5b3923767a765cddAndy Hung // audio_output_flags_t flags (FAST) 1223b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 12366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 12466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 12566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 12670c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 12770c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 12866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 12933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 130e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 13166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 13266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 13370c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 13470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 13566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 13633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 13733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 13866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 13966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 14070c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 14170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 14266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 14333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 14433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1458edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // When called from createTrack, speed is 1.0f (normal speed). 1468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // This is rechecked again on setting playback rate (TODO: on setting sample rate, too). 1478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount = calculateMinFrameCount(afLatency, afFrameCount, afSampleRate, sampleRate, 1.0f); 14833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 1490e48d25606c82def035ad10a5b3923767a765cddAndy Hung // The formula above should always produce a non-zero value under normal circumstances: 1500e48d25606c82def035ad10a5b3923767a765cddAndy Hung // AudioTrack.SAMPLE_RATE_HZ_MIN <= sampleRate <= AudioTrack.SAMPLE_RATE_HZ_MAX. 1510e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Return error in the unlikely event that it does not, as that's part of the API contract. 15266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 1530e48d25606c82def035ad10a5b3923767a765cddAndy Hung ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %u", 15466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 15566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 15666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 1578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, afSampleRate=%u, afLatency=%u", 1588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung *frameCount, afFrameCount, afSampleRate, afLatency); 15933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 16033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 165879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1669b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 1674ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1687064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 169aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 170aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 172faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 173faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 174faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 175faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 179fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 181e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 18228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 183bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1840ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 187838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 188d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 189ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 190462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 191d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 192d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 193faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 194ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 195ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 196879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1979b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 1984ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1997064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 200aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 201aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2030d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 204a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 205462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 206ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung offloadInfo, uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed); 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 209c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 210fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 212e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 2150ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 218838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 219d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 220ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 221462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 222d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 223d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 224faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 225ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 226ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 227879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2289b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 2294ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2307064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 231aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 232aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2340d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 23517a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 236d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 237ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung uid, pid, pAttributes, doNotReconnect, maxRequiredSpeed); 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 248b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 253296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent // No lock here: worst case we remove a NULL callback which will be a nop 254296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 255296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 256296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 257f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 25853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2593bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2603bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2624c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2634c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 264d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 269fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 271e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 27228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 273bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2740ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 277838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 279be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 280d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 281ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 282462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 283d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 284faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 285faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 286ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung bool doNotReconnect, 287ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung float maxRequiredSpeed) 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 289bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 2904c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 291bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2924c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 29386f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 29433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mThreadCanCallJava = threadCanCallJava; 29533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 329dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 331faeb0f291330134dc4468359a36e099aae508449Ronghua Wu mDoNotReconnect = doNotReconnect; 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 33397c9f4fd7bc31e2968d816402659ba1c64f10b42Eric Laurent ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %zu", sharedBuffer->pointer(), 33485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3371a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 33853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3391dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 34029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 345e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 346fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 348faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 349223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 350faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 351faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 352faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 353faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 354e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 355faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 356faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 357faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 358faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 359faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 360e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 361c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 362c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 363c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 36433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if ((mAttributes.flags & AUDIO_FLAG_LOW_LATENCY) != 0) { 36533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk flags = (audio_output_flags_t) (flags | AUDIO_OUTPUT_FLAG_FAST); 36633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 367dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 368ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 370e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 371fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 372fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk } else if (format == AUDIO_FORMAT_IEC61937) { // HDMI pass-through? 373fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk mAttributes.flags |= AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 377fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 378cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 381dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 382c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3838ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3848ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3858ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3868ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 387e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 388e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 389e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3908ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 392b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 393b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 395b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 397b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3980ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 4000ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 401c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 402c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 403d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 404d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 405d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 406d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 407d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 408b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 409fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(format)) { 410b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 411b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 412b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 413b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 414e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 415fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk ALOG_ASSERT(audio_has_proportional_frames(format)); 416b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 417b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 418b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 419e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 420e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 4210d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 4220d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 4230d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 4240d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 4250d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 4263a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = sampleRate; 4275a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 428ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung // 1.0 <= mMaxRequiredSpeed <= AUDIO_TIMESTRETCH_SPEED_MAX 429ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung mMaxRequiredSpeed = min(max(maxRequiredSpeed, 1.0f), AUDIO_TIMESTRETCH_SPEED_MAX); 4300d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 431b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 432b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 433b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 434b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 435b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 436b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 437b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 438b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 439b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 440b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 44166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 44266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 44305632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 444396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 445b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 446d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 448caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 449d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId = (audio_session_t) AudioSystem::newAudioUniqueId(AUDIO_UNIQUE_ID_USE_SESSION); 450caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 451caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 452caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 453d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 454d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 455d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 456462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 457462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 458462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 459462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 460d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 461d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 462d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 463d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 464d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4652beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 466ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mOrigFlags = mFlags = flags; 4674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 468be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 469a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 470896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 471a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 472bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 473a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 474a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 47534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4760d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 477a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 47834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 479a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 482a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 483a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4894ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4904ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4914ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 49253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4942c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 497200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 498200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 500d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 5041b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 505c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 506c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5072812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = 0; 508ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten = 0; 509ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWrittenServerOffset = 0; 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 518f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 5252b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 532200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 535200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5361b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 537c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 538c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5391b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 540e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // read last server side position change via timestamp. 541e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ExtendedTimestamp ets; 542e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (mProxy->getTimestamp(&ets) == OK && 543e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ets.mTimeNs[ExtendedTimestamp::LOCATION_SERVER] > 0) { 544e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // Server side has consumed something, but is it finished consuming? 545e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // It is possible since flush and stop are asynchronous that the server 546e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // is still active at this point. 547e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ALOGV("start: server read:%lld cumulative flushed:%lld client written:%lld", 548e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)(mFramesWrittenServerOffset 549e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung + ets.mPosition[ExtendedTimestamp::LOCATION_SERVER]), 550e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)ets.mFlushed, 551e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)mFramesWritten); 552e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mFramesWrittenServerOffset = -ets.mPosition[ExtendedTimestamp::LOCATION_SERVER]; 55361be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung } 554e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mFramesWritten = 0; 555e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mProxy->clearTimestamp(); // need new server push for valid timestamp 556e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mMarkerReached = false; 55761be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 5587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 564ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 565ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 566ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 568200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 56996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 58279629f0716f04e79064256362be56730077b8c50Andy Hung // resume or pause the callback thread as needed. 58379629f0716f04e79064256362be56730077b8c50Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 58479629f0716f04e79064256362be56730077b8c50Andy Hung if (status == NO_ERROR) { 58579629f0716f04e79064256362be56730077b8c50Andy Hung if (t != 0) { 58679629f0716f04e79064256362be56730077b8c50Andy Hung if (previousState == STATE_STOPPING) { 58779629f0716f04e79064256362be56730077b8c50Andy Hung mProxy->interrupt(); 58879629f0716f04e79064256362be56730077b8c50Andy Hung } else { 58979629f0716f04e79064256362be56730077b8c50Andy Hung t->resume(); 59079629f0716f04e79064256362be56730077b8c50Andy Hung } 59179629f0716f04e79064256362be56730077b8c50Andy Hung } else { 59279629f0716f04e79064256362be56730077b8c50Andy Hung mPreviousPriority = getpriority(PRIO_PROCESS, 0); 59379629f0716f04e79064256362be56730077b8c50Andy Hung get_sched_policy(0, &mPreviousSchedulingGroup); 59479629f0716f04e79064256362be56730077b8c50Andy Hung androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 59579629f0716f04e79064256362be56730077b8c50Andy Hung } 59679629f0716f04e79064256362be56730077b8c50Andy Hung } else { 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 600b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 601b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 602b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 604879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 605a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 609b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 615397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 61923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 620b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 621b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 622b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 623c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 624b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 625b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 62861be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 62961be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 63061be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6319b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6339b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6349b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6359b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 637b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 64023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 641b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 642b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6519a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6634bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6712c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6722c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6732c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6742c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 675b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 678c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 67923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 680b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 681b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6834bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 688f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 689b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 690b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 691b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 692b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 693b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6987064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6993a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 700142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 7027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 7037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 7047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 7057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 7067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 7087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 7097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 7117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7127064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 7137064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 7147064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 7157064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7167064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 721c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 722c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 723c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 724be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 725be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 72866e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 72966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 731c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 732be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 73323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 73459fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 73559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 736be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 739b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 741b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 742be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 743be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7442beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 745be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 746c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 747c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 748be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 749be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 750be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 752be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 753e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 754be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 755be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 756be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 757be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 758a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 759be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 760be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 762be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7653b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7675cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7685cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7695cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7705cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 771d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7724ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7734ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7740d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7750d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7760d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7775cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7785cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7800d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 781573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7845a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 78526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 786d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 787d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 790e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 79126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 792e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 793573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 796a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7996f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 8006f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 8016f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 8026f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 803ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 804142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 8056f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 806b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 8076f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 8086f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 8096f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8106f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8116f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 812e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8153a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 8163a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 8173a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 8183a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8193a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8205a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8228edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8235a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8248edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8258edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 826d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l()) { 8278edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8298edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8308edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8318edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 832ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 833ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (input): mSampleRate:%u mSpeed:%f mPitch:%f", 834ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung mSampleRate, playbackRate.mSpeed, playbackRate.mPitch); 83526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8365a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8375a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8385a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 8396c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8406c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8416c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8426c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 843ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate (effective): mSampleRate:%u mSpeed:%f mPitch:%f", 844ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung effectiveRate, effectiveSpeed, effectivePitch); 845ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung 8466c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 847ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate(%f, %f) failed (effective rate out of bounds)", 848ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 84926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 85026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 8518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 85226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 853ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung ALOGV("setPlaybackRate(%f, %f) failed (buffer size)", 854ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung playbackRate.mSpeed, playbackRate.mPitch); 8558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8575a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8586c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 859e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 8606c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 8616c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8626c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8636c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8646c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 865e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 8666c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 8676c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8686c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8696c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8706c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 8716c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 8725a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 87326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 8748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8775a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8805a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 883c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::getBufferSizeInFrames() 884c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 885c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 886c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 887c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 888c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 889e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->getBufferSizeInFrames(); 890c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 891c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 892c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::setBufferSizeInFrames(size_t bufferSizeInFrames) 893c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 894c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 895c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 896c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 897c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 898c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // Reject if timed track or compressed audio. 899d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (!audio_is_linear_pcm(mFormat)) { 900c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return INVALID_OPERATION; 901c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 902e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->setBufferSizeInFrames((uint32_t) bufferSizeInFrames); 903c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 904c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 907d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 908083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 909083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 910083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 9129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 9149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 9159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 924c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 9259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 9309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9314ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 9324ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9334ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 9344ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 9354ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 93653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 9379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 9383c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9393c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 944fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 945ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 946d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 947d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 9512c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9533c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9543c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9553c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9563c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 960a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 962ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 963b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 964b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 965d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 966d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 967d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 97090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 977fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 978ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 979d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 980d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 983200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 9852b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 9863c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9873c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9883c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9893c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 993a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 995ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 996b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 997b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 998d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 999d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1000d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1010d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1011d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1012d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 10149c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10159c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10169c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 10199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 10219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 10229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 10249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1026d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10279b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 1028200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 10299b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 10303c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 10313c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1035200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1037d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 1038d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1039d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10427a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // FIXME: offloaded and direct tracks call into the HAL for render positions 10437a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // for compressed/synced data; however, we use proxy position for pure linear pcm data 10447a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // as we do not know the capability of the HAL for pcm position support and standby. 10457a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // There may be some latency differences between the HAL position and the proxy position. 10467a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung if (isOffloadedOrDirect_l() && !isPurePcmData_l()) { 1047b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1049ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 10507064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 10517064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 10527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 10537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 10547064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1055142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 10561f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 10571f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 10581f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1059b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 10607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 10617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1062b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1063b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1064275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 10651f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 10661f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 10671f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1068275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1069275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1070b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1071200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 107290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1073b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1077377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 10789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 1079d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0) { 10809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 10819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 10839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 10889c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 10899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 10909c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1093d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1094083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1095083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1096083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 10971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1100d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1101d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 11039b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 11049b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 11051b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 110653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 11079b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 110853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 110953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 111053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 111153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 111253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 111353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 111453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 11159b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1120c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 11211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1122b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 11231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 11241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1125aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1126aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1127aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1128aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1129493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1130aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1131493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1132aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1133aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1134aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1135aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1136aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1137aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1138aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1139296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1140296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1141296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1142296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1143296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1144296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1145296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1146296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1147be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1148be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11502beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 11512beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 11522beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 11532beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 11542beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1155be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1156be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1157e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1158e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1159e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1160e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1161e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1162e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1163e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1164e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1168200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 116934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 117034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 117134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1172e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1173e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 117434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 117534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1176296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1177296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1178296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1179e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1180e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1181e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1182e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1183ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // mFlags (not mOrigFlags) is modified depending on whether fast request is accepted. 1184ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // After fast request is denied, we will request again if IAudioTrack is re-created. 1185ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 1186aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1187aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1188d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId, &streamType, mClientUid, 1189aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1190aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1191e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1192e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 11934c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 11945bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 11954c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 119638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 119738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 119838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 119938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 120038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 120138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1202ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 12039f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1204ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 120638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1207d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 12089f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1209d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 12109f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1211ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1212b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 121338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1214ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1215ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 12169f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1217ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1218b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 121938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1220ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 12210d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 12229f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 12239f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 12240d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 12257fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 1226d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 122733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 122833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool useCaseAllowed = 12294a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 12304a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1231363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1232c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 12331dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 12341dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 123533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk (mTransfer == TRANSFER_OBTAIN) || 123633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // use case 4: synchronous write 123733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ((mTransfer == TRANSFER_SYNC) && mThreadCanCallJava); 123833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // sample rates must also match 123933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool fastAllowed = useCaseAllowed && (mSampleRate == mAfSampleRate); 124033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!fastAllowed) { 12417fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, " 124233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk "track %u Hz, output %u Hz", 12439f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 124433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 124533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 12464a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12474a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1248d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1249e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1250363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1251fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (!audio_has_proportional_frames(mFormat)) { 1252e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1253363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1254e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1255363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1256e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 12579f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1258d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1259b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1260b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1261b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1262363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1263abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1264abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1265abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1266abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1267b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1268abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1269b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1270b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1271a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1272e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1273e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1274e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12751d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1276a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1277363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 127838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 127938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1280e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1281e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1282e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1283e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1284e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1285e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1286abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1287e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 12888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 12898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 12918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 1292ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung const float speed = !isPurePcmData_l() || isOffloadedOrDirect_l() ? 1.0f : 1293ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung max(mMaxRequiredSpeed, mPlaybackRate.mSpeed); 12948edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 12959f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 1296ff874dc957f9ea70d87f4d627bf903e1fc86d58bAndy Hung speed); 12978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 12988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 12998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 13008edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1301d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1302d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1303a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 13043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 13053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1306363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 13074a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 130833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mAudioTrackThread != 0 && !mThreadCanCallJava) { 13093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 13103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 13114a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 13124a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1313363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1314b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1315b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1316b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1317ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1318ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1319ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1320ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 132174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 132274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1323d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t originalSessionId = mSessionId; 1324e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1325363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1326abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1327a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 132874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1329e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1330363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 133134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 13323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1333be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1334462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 133534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1336138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1337138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 133834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1339c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 134029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 134138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 134234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1343c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1344c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 134538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 134638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 134738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 13487fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // FIXME compare to AudioRecord 1349d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1350d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 135129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 135234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 135334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 13540cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 13550cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 13560cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 13570cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 13580cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 135953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 13609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1361f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 136434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1365d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 13663bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 13673bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 13680cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1369d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 137074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1371b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1372b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1373b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1374b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 137534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1376b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1377b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 13785f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1379a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1380363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1381e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 138234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 138333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!mThreadCanCallJava) { 138433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mAwaitBoost = true; 138533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 13863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1387ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1388363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1389e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 13917fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 13927fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // Make sure that application is notified with sufficient margin before underrun. 13937fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 13947fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 13957fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n = 2 fast track with double buffering 13967fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n = 2 normal track, (including those with sample rate conversion) 13977fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n >= 3 very high latency or very small notification interval (unused). 13987fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // FIXME Move the computation from client side to server side, 13997fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // and allow nBuffering to be larger than 1 for OpenSL ES, like it can be for Java. 14000e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 14017fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten size_t maxNotificationFrames = frameCount; 14027fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten if (!(trackFlags & IAudioFlinger::TRACK_FAST)) { 14037fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten const uint32_t nBuffering = 2; 14047fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten maxNotificationFrames /= nBuffering; 14057fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten } 14067fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > maxNotificationFrames) { 14077fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten ALOGW("Client adjusted notificationFrames from %u to %zu for frameCount %zu", 14087fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct, maxNotificationFrames, frameCount); 14097fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct = (uint32_t) maxNotificationFrames; 14100e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 14110e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1412b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 141338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 141438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1422363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1423138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 142434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1425363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1426138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1427138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1428138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1429138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 143034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 143134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 14322beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 14338edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1434e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 14359f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 14365f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1437b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1438093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1439093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1440b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1441b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1442093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1443e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1444d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1445d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1446d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1447e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1448363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1450abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1452abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1455e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1456e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1457e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1458e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1459e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1460e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 14615a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 14625a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 14635a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 146426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 14655a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 14665a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 14675a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 14685a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 14695a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1473f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1474e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1475296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1476296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1477296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1478296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 147934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 148038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 148138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 148238e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1483d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten AudioSystem::releaseOutput(output, streamType, mSessionId); 148438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 148538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 148638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 148738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 148834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 148934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1490b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 149189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1493551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1494551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1495551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1502551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1503551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1504551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1509df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1523b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1532e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 153589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 15471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1556b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15644d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if (status == NOT_ENOUGH_DATA) { 15654d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 15664d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } 15674d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1572b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1573b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1574b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1575b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1576b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1577b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1578b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1579b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 15904d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } while (((status == DEAD_OBJECT) || (status == NOT_ENOUGH_DATA)) && (tryCounter-- > 0)); 159189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1593abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160154a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16033f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1608abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1616e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 16171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1618200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 16234d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 16244d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent} 16254d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 16264d231dc0ee34380956c71cbe18a750e487a69601Eric Laurentvoid AudioTrack::restartIfDisabled() 16274d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent{ 16284d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 16294d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if ((mState == STATE_ACTIVE) && (flags & CBLK_DISABLED)) { 16304d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 16314d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent // FIXME ignoring status 16324d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent mAudioTrack->start(); 1633df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 163489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 163789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1638720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 163989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1640d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mTransfer != TRANSFER_SYNC) { 1641d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1642d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1644ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1645ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1646ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1647ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1648ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1649ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1650ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1651ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1652ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1653ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 165599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 165699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1657377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 165989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 166289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 166389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1667720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1668720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 166989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 167189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1672d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 167389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 167489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 167589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1676ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1677abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 167989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 168089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 168189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 168289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1685ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (written > 0) { 1686ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += written / mFrameSize; 1687ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 168889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 168989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 169089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 169189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 169289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16937c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 169489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1695fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1696fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1697fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1698fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1699fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 17001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1701a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1702a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1703a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1704a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1705a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1706a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1707a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1708a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1709a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1710a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1711a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1712a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1713a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1714a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1715a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1716a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1717a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1718b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1719b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1720a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 17211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 172496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1725a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1728b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1729b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1730b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1731ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1732f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1733f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 173453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 173553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 173789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1738c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1739b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 174189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 176089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 176189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 176390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 176790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 176890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 176990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 177590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 177690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 17779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 177990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 17809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17855a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1786a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 17879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1793b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 179496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 179653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 179753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 179853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 179953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 180053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 180153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 180253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 180353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 180453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 180553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 180653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 180753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 180853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 180953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 181053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 181153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 181253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 181353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 181453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 181553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 181653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 181753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1819abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1824a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1825a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1826a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1827b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1828a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1829a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1830a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1831a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1832b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1833b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1834b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1835b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 183696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1837b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1838b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1839b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1840b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 184139609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 184239609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 184339609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 184439609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 184539609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 184696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 184796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 184896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 184996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 185096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 185196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 185296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 185396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1854c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1855b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1856b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 185796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 185896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 185996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 186096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1861b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 186296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1863b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1864b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 186953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 187153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 188090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1885b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1889b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1890ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1891b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1892b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 189389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 189489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 189889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 189989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 190490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 19059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 19072d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 19089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19102d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 191190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 191289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 191389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 19182267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 19192267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 1920a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 1921a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 1922a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 1923a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 19259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 19269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 1927a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 1928a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 1929a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 1930a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 19349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 193789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1938a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 1939a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 1940a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 1941a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 1942a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 1943a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 1944a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 19469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 19499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 19529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1954ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung size_t writtenFrames = 0; 19559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1956c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 19579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 19589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 19599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 196234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 19649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 196534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1966b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 19679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1968b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1969b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 1970606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 1971606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 197289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 19749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 197589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1977fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (mRetryOnPartialBuffer && audio_has_proportional_frames(mFormat)) { 19789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 1980a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 1981a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 1982a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 1983a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 1984a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 1985a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 19869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1990d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 199189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 199289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 199389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 199589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 199689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 199834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 199934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 20009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 20019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 20048555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 20058555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 20068555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 20078555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 2008a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2009a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 2010a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 2011a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 2012a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 2013a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2014a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 2015a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 2016a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 2017a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2018a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 2019a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 2020a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 2021a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2022a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 2023fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(mFormat)) { 2024a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 2025a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2026a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2027a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2028a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2029a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2030a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2031a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2032a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2033a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2034a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2035a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2036a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2037a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2038a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2039a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2040a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2041a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2042a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2043a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2044d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 204589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2046138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 20479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 20489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 20499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 20509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 20519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 20529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 20539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 205489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 205589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 2056ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung writtenFrames += releasedFrames; 205789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 20599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 20659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 20669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 20709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 20739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 20749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 20758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 20769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 20789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 207989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2080ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (writtenFrames > 0) { 2081ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2082ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += writtenFrames; 2083ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 20849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 20859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 20869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 20889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 208989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 209089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 20921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2093b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2094ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 20959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 20961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2097a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2098d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2099a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2100a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2101faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 21021f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 21031f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2104b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2105b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2106b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 21072812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 21082812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 21092812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2110200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 21114ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 21124ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 21134ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21144ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 21154ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2116200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2117ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mFlags = mOrigFlags; 2118ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 2119200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2120a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2121200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2122200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2123ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2124cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2125a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2126d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2127d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2128d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2129d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2130d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2131d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 21324ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 21334ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21344ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 21354ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 21364ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 21374ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 21384ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 213953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 214053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 214153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 21421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2145a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 2146ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWrittenServerOffset = mFramesWritten; // server resets to zero so we offset 21471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 21509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 21519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2152c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 21531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 21551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 21561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 21571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 215890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2159200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2160200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 216190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 216290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2163200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2164200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2165200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2166200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2167200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2168200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2169200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2170200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 217190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 217290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 217390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2174039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 217590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 217690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 217790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 217890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2179200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2180200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 21818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 21828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 21838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 21848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 21858edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 21868edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 21889f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed); 21898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 21908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 21918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 21928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 21938edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2194ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2195ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2196ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 219753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2198ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2199ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2200ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hungstatus_t AudioTrack::getTimestamp(ExtendedTimestamp *timestamp) 2201ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung{ 2202ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (timestamp == nullptr) { 2203ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return BAD_VALUE; 2204ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2205ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2206e13f8a603867280de9b02ce4839202a182556416Andy Hung return getTimestamp_l(timestamp); 2207e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2208e13f8a603867280de9b02ce4839202a182556416Andy Hung 2209e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::getTimestamp_l(ExtendedTimestamp *timestamp) 2210e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2211ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (mCblk->mFlags & CBLK_INVALID) { 2212ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung const status_t status = restoreTrack_l("getTimestampExtended"); 2213ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (status != OK) { 2214ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 2215ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // recommending that the track be recreated. 2216ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return DEAD_OBJECT; 2217ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2218ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2219ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // check for offloaded/direct here in case restoring somehow changed those flags. 2220ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (isOffloadedOrDirect_l()) { 2221ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return INVALID_OPERATION; // not supported 2222ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2223ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung status_t status = mProxy->getTimestamp(timestamp); 2224e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung LOG_ALWAYS_FATAL_IF(status != OK, "status %d not allowed from proxy getTimestamp", status); 2225ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung bool found = false; 2226e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[ExtendedTimestamp::LOCATION_CLIENT] = mFramesWritten; 2227e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mTimeNs[ExtendedTimestamp::LOCATION_CLIENT] = 0; 2228e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // server side frame offset in case AudioTrack has been restored. 2229e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung for (int i = ExtendedTimestamp::LOCATION_SERVER; 2230e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung i < ExtendedTimestamp::LOCATION_MAX; ++i) { 2231e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (timestamp->mTimeNs[i] >= 0) { 2232e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // apply server offset (frames flushed is ignored 2233e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // so we don't report the jump when the flush occurs). 2234e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[i] += mFramesWrittenServerOffset; 2235e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung found = true; 2236ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2237ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2238ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return found ? OK : WOULD_BLOCK; 2239ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung} 2240ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung 2241ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2242ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 224353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 22441b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22451b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 22461b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 22471b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 22481b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 22507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 22517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 22527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 22537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 22547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 22557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 22567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 22577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 22587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 22597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 22607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 22627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 22637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 22647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2265fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 22667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2267275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 22686653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 22696653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 22706653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 22716653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 22726653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 22736653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2274275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2275275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2276200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2277200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 22786ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung 22796ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status_t status; 2280818e7a32ce3633980138aff2c2bfcc5158b3cfccAndy Hung if (isOffloadedOrDirect_l()) { 22816ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // use Binder to get timestamp 22826ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mAudioTrack->getTimestamp(timestamp); 22836ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } else { 22846ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // read timestamp from shared memory 22856ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung ExtendedTimestamp ets; 22866ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mProxy->getTimestamp(&ets); 22876ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == OK) { 22886ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = ets.getBestTimestamp(×tamp); 22896ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22906ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == INVALID_OPERATION) { 22916ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = WOULD_BLOCK; 22926ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22936ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2295dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 22967f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 22977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 22997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 23007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 23017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 23027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 23037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 23047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2307c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2308c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2309c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2310c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2311c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2312c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 23137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 23147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 23157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 23167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 23187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 23207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 23217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 23227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 23237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 23258edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 23265a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 23277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 23297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2330c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 23317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2332c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2333c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 23347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 23357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 23367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2337c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2338c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2339c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2340c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2341c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2342c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2343c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 23447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 23457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2346c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2347c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2348c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2349c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2350c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 23517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2352c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 23537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2355200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2356200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2357200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2358200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2359200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2360200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2361200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2362200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 236390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 236490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 236590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 236690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 236790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 236890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2369200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2370200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2371200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2372200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2373200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 237490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 237590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2376200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2377200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2378200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2379200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2380200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2381200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2382200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2383fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 23841b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23851b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 23861b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 23871b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 23881b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 238990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung#define TIME_TO_NANOS(time) ((int64_t)time.tv_sec * 1000000000 + time.tv_nsec) 239090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 239190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 23921b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 23931b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 23941b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 23951b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 23961b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23971b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23981b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 23991b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 240090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 240190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 24021b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 24031b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 24044c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 24054c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 24064c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 24074c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 24084c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 24094c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 24104c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 24114c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 24124c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 24134c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 24144c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 24154c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 24161b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 24171b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 24181b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24191b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24201b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 24211b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 24221b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24231b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2424fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2425ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2426ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2427ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2428ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 24292c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2430142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 24312c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2432b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2435ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2436ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 243723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 243823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 243923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 244023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 244123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 244223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2443ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2444ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2445ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2446ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2447ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2448ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2449ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2450ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2451ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2452ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2453ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2454ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2455ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 24567c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 245789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 245889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 245989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 246089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 246189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 246289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 246389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 246485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2465877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 246689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2467377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2468b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 246989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 24715a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 247289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 247489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 247589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 247689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 247789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 247889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24792812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 24802812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24812812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 24822812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 24832812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24842812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24852812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 24862812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24872812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 24882812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24892812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 24919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 24939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 24949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2496296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2497296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2498296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2499296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2500296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2501296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2502296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2503296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2504296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2505296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2506296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2507296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2508296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2509296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2510296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2511296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2512296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2513296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2514296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2515296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2516296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2517296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2518296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2519296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2520296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2521296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2522296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2523296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2524296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2525296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2526296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2527296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2528296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2529296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2530296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2531296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2532296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2533296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2534296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2535296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2536296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2537296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2538e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::pendingDuration(int32_t *msec, ExtendedTimestamp::Location location) 2539e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2540e13f8a603867280de9b02ce4839202a182556416Andy Hung if (msec == nullptr || 2541e13f8a603867280de9b02ce4839202a182556416Andy Hung (location != ExtendedTimestamp::LOCATION_SERVER 2542e13f8a603867280de9b02ce4839202a182556416Andy Hung && location != ExtendedTimestamp::LOCATION_KERNEL)) { 2543e13f8a603867280de9b02ce4839202a182556416Andy Hung return BAD_VALUE; 2544e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2545e13f8a603867280de9b02ce4839202a182556416Andy Hung AutoMutex lock(mLock); 2546e13f8a603867280de9b02ce4839202a182556416Andy Hung // inclusive of offloaded and direct tracks. 2547e13f8a603867280de9b02ce4839202a182556416Andy Hung // 2548e13f8a603867280de9b02ce4839202a182556416Andy Hung // It is possible, but not enabled, to allow duration computation for non-pcm 2549e13f8a603867280de9b02ce4839202a182556416Andy Hung // audio_has_proportional_frames() formats because currently they have 2550e13f8a603867280de9b02ce4839202a182556416Andy Hung // the drain rate equivalent to the pcm sample rate * framesize. 2551e13f8a603867280de9b02ce4839202a182556416Andy Hung if (!isPurePcmData_l()) { 2552e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; 2553e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2554e13f8a603867280de9b02ce4839202a182556416Andy Hung ExtendedTimestamp ets; 2555e13f8a603867280de9b02ce4839202a182556416Andy Hung if (getTimestamp_l(&ets) == OK 2556e13f8a603867280de9b02ce4839202a182556416Andy Hung && ets.mTimeNs[location] > 0) { 2557e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t diff = ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT] 2558e13f8a603867280de9b02ce4839202a182556416Andy Hung - ets.mPosition[location]; 2559e13f8a603867280de9b02ce4839202a182556416Andy Hung if (diff < 0) { 2560e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = 0; 2561e13f8a603867280de9b02ce4839202a182556416Andy Hung } else { 2562e13f8a603867280de9b02ce4839202a182556416Andy Hung // ms is the playback time by frames 2563e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t ms = (int64_t)((double)diff * 1000 / 2564e13f8a603867280de9b02ce4839202a182556416Andy Hung ((double)mSampleRate * mPlaybackRate.mSpeed)); 2565e13f8a603867280de9b02ce4839202a182556416Andy Hung // clockdiff is the timestamp age (negative) 2566e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t clockdiff = (mState != STATE_ACTIVE) ? 0 : 2567e13f8a603867280de9b02ce4839202a182556416Andy Hung ets.mTimeNs[location] 2568e13f8a603867280de9b02ce4839202a182556416Andy Hung + ets.mTimebaseOffset[ExtendedTimestamp::TIMEBASE_MONOTONIC] 2569e13f8a603867280de9b02ce4839202a182556416Andy Hung - systemTime(SYSTEM_TIME_MONOTONIC); 2570e13f8a603867280de9b02ce4839202a182556416Andy Hung 2571e13f8a603867280de9b02ce4839202a182556416Andy Hung //ALOGV("ms: %lld clockdiff: %lld", (long long)ms, (long long)clockdiff); 2572e13f8a603867280de9b02ce4839202a182556416Andy Hung static const int NANOS_PER_MILLIS = 1000000; 2573e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (int32_t)(ms + clockdiff / NANOS_PER_MILLIS); 2574e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2575e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2576e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2577e13f8a603867280de9b02ce4839202a182556416Andy Hung if (location != ExtendedTimestamp::LOCATION_SERVER) { 2578e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; // LOCATION_KERNEL is not available 2579e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2580e13f8a603867280de9b02ce4839202a182556416Andy Hung // use server position directly (offloaded and direct arrive here) 2581e13f8a603867280de9b02ce4839202a182556416Andy Hung updateAndGetPosition_l(); 2582e13f8a603867280de9b02ce4839202a182556416Andy Hung int32_t diff = (Modulo<uint32_t>(mFramesWritten) - mPosition).signedValue(); 2583e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (diff <= 0) ? 0 2584e13f8a603867280de9b02ce4839202a182556416Andy Hung : (int32_t)((double)diff * 1000 / ((double)mSampleRate * mPlaybackRate.mSpeed)); 2585e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2586e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2587e13f8a603867280de9b02ce4839202a182556416Andy Hung 25889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 25899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 25907c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 25919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 25929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 25939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 25949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 25959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 25969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 25979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 25989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 259989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 260089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 260189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2602598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2603598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 26043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 260889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 260989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 261089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 261189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 261289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 26143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 26153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 26163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 26173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 26183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 26193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2620598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2621598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2622598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2623598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 26245a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 26255a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 26265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 26275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 26285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 26295a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 26309d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 26315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 26325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 26333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 26347985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 26357985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 26367985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 26377c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 26389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 26399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 26409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 26419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 26425a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 26439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 26449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 26459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 26465a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 26473c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 26483c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 26495a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 26509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 265134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 26525a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 26539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2654ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 265589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 265689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 26583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 26603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2661598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 26623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 26653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 26673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 26683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 26713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2673598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 26749d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 26753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 26769d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 26773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 26783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 26793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26813c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 26823c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 26833c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 2684a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 2685a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 2686a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 26873c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 2688a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 2689a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 2690a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 2691a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 2692a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 26933c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 26943c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 26953c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 26965a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 26975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 26985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 26995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 27005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 27015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 27025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 270340bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2704