AudioTrack.cpp revision e1e9846a786a0d77a13b44f8e798e03b4cba9d77
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, 194faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 195879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1969b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 1974ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1987064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 199aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 200aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2020d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 203a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 204462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 205faeb0f291330134dc4468359a36e099aae508449Ronghua Wu offloadInfo, uid, pid, pAttributes, doNotReconnect); 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 208c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 209fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 211e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 2140ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 217838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 218d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 219ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 220462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 221d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 222d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 223faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 224faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 225879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2269b3359feabbf138bb965da5173434da78bfe0929Haynes Mathew George mState(STATE_STOPPED), 2274ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2287064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 229aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 230aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2320d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 23317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 234d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 235faeb0f291330134dc4468359a36e099aae508449Ronghua Wu uid, pid, pAttributes, doNotReconnect); 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 246b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 251296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent // No lock here: worst case we remove a NULL callback which will be a nop 252296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 253296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 254296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 255f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 25653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2573bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2583bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2604c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2614c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 262d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 267fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 269e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 27028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 271bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2720ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 275838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 277be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 278d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t sessionId, 279ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 280462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 281d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 282faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 283faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 284faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 286bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 2874c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 288bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2894c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 29086f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 29133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mThreadCanCallJava = threadCanCallJava; 29233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 326dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 328faeb0f291330134dc4468359a36e099aae508449Ronghua Wu mDoNotReconnect = doNotReconnect; 3299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 33097c9f4fd7bc31e2968d816402659ba1c64f10b42Eric Laurent ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %zu", sharedBuffer->pointer(), 33185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3341a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 33553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3361dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 33729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 342e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 343fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 345faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 346223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 347faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 348faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 349faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 350faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 351e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 352faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 353faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 354faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 355faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 356faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 357e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 358c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 359c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 360c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 36133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if ((mAttributes.flags & AUDIO_FLAG_LOW_LATENCY) != 0) { 36233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk flags = (audio_output_flags_t) (flags | AUDIO_OUTPUT_FLAG_FAST); 36333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 364dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 365ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 367e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 368fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 369fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk } else if (format == AUDIO_FORMAT_IEC61937) { // HDMI pass-through? 370fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk mAttributes.flags |= AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO; 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 374fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 375cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 378dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 379c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3808ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3818ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3828ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3838ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 384e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 385e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 386e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3878ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 388c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 389b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 390b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 391b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 392b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 393b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3950ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3970ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 398c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 399c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 400d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 401d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 402d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 403d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 404d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 405b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 406fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(format)) { 407b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 408b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 409b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 410b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 411e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 412fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk ALOG_ASSERT(audio_has_proportional_frames(format)); 413b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 414b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 415b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 416e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 417e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 4180d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 4190d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 4200d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 4210d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 4220d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 4233a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = sampleRate; 4245a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 4250d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 426b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 427b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 428b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 429b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 430b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 431b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 432b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 433b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 434b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 435b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 43666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 43766e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 43805632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 439396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 440b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 441d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 443caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 444d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId = (audio_session_t) AudioSystem::newAudioUniqueId(AUDIO_UNIQUE_ID_USE_SESSION); 445caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 446caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 447caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 448d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 449d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 450d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 451462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 452462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 453462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 454462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 455d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 456d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 457d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 458d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 459d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4602beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 461ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mOrigFlags = mFlags = flags; 4624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 463be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 464a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 465896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 466a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 467bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 468a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 469a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 47034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4710d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 472a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 47334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 474a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 477a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 478a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4844ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4854ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4864ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 48753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4892c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 492200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 493200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 495d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4991b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 500c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 501c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5022812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = 0; 503ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten = 0; 504ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWrittenServerOffset = 0; 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 511b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 513f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 5202b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 527200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 530200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5311b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 532c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 533c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5341b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 535e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // read last server side position change via timestamp. 536e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ExtendedTimestamp ets; 537e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (mProxy->getTimestamp(&ets) == OK && 538e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ets.mTimeNs[ExtendedTimestamp::LOCATION_SERVER] > 0) { 539e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // Server side has consumed something, but is it finished consuming? 540e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // It is possible since flush and stop are asynchronous that the server 541e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // is still active at this point. 542e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung ALOGV("start: server read:%lld cumulative flushed:%lld client written:%lld", 543e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)(mFramesWrittenServerOffset 544e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung + ets.mPosition[ExtendedTimestamp::LOCATION_SERVER]), 545e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)ets.mFlushed, 546e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung (long long)mFramesWritten); 547e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mFramesWrittenServerOffset = -ets.mPosition[ExtendedTimestamp::LOCATION_SERVER]; 54861be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung } 549e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mFramesWritten = 0; 550e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mProxy->clearTimestamp(); // need new server push for valid timestamp 551e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung mMarkerReached = false; 55261be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 5537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 559ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 560ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 561ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 563200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 56496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 57779629f0716f04e79064256362be56730077b8c50Andy Hung // resume or pause the callback thread as needed. 57879629f0716f04e79064256362be56730077b8c50Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 57979629f0716f04e79064256362be56730077b8c50Andy Hung if (status == NO_ERROR) { 58079629f0716f04e79064256362be56730077b8c50Andy Hung if (t != 0) { 58179629f0716f04e79064256362be56730077b8c50Andy Hung if (previousState == STATE_STOPPING) { 58279629f0716f04e79064256362be56730077b8c50Andy Hung mProxy->interrupt(); 58379629f0716f04e79064256362be56730077b8c50Andy Hung } else { 58479629f0716f04e79064256362be56730077b8c50Andy Hung t->resume(); 58579629f0716f04e79064256362be56730077b8c50Andy Hung } 58679629f0716f04e79064256362be56730077b8c50Andy Hung } else { 58779629f0716f04e79064256362be56730077b8c50Andy Hung mPreviousPriority = getpriority(PRIO_PROCESS, 0); 58879629f0716f04e79064256362be56730077b8c50Andy Hung get_sched_policy(0, &mPreviousSchedulingGroup); 58979629f0716f04e79064256362be56730077b8c50Andy Hung androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 59079629f0716f04e79064256362be56730077b8c50Andy Hung } 59179629f0716f04e79064256362be56730077b8c50Andy Hung } else { 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 595b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 596b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 597b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 599879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 600a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 604b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 610397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 61423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 615b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 616b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 617b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 618c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 619b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 620b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 62361be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 62461be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 62561be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6269b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6289b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6299b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6309b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 632b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 63523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 636b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 637b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6469a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6584bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6662c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6672c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6692c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 670b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 673c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 67423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 675b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 676b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6784bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 683f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 686b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 687b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 688b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6937064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6943a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 695142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6967f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 7007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 7017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 7037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 7047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 7067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 7077064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 7087064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 7097064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 7107064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7117064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 714be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 716c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 717c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 718c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 720be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 721be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 72366e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 72466e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 726c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 727be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 72823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 72959fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 73059fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 731be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 734b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 736b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 737be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 738be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 740be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 741c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 742c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 743be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 744be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 745be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 747be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 748e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 749be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 750be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 751be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 752be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 753a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 754be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 755be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 757be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7603b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7625cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7635cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7645cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7655cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 766d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7674ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7684ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7690d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7700d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7710d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7725cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7735cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7750d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 776573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 77826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7795a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 78026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 781d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 782d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 785e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 78626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 787e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 788573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 791a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7946f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7956f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7966f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7976f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 798ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 799142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 8006f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 801b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 8026f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 8036f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 8046f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8056f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 8066f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 807e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8103a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 8113a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 8123a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 8133a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8143a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8155a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8185a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8198edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8208edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 821d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l()) { 8228edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8238edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8248edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8258edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8268edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 82726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8285a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8295a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8305a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 8316c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8326c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8336c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8346c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 8356c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 83626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 83726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 8388edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 83926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 8405a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 8418edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8428edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8435a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8446c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 845e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 8466c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 8476c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8486c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8496c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8506c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 851e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 8526c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 8536c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8546c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8556c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8566c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 8576c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 8585a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 85926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 8608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8618edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8628edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8635a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8665a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 869c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::getBufferSizeInFrames() 870c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 871c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 872c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 873c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 874c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 875e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->getBufferSizeInFrames(); 876c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 877c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 878c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::setBufferSizeInFrames(size_t bufferSizeInFrames) 879c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 880c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 881c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 882c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 883c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 884c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // Reject if timed track or compressed audio. 885d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (!audio_is_linear_pcm(mFormat)) { 886c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return INVALID_OPERATION; 887c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 888e8972b0a27fac327c997fceb20d9abae1dc1d899Phil Burk return (ssize_t) mProxy->setBufferSizeInFrames((uint32_t) bufferSizeInFrames); 889c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 890c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 893d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 894083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 895083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 896083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 9019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 9089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 910c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 9119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9174ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 9184ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9194ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 9204ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 9214ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 92253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 9243c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9253c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 9269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 930fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 931ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 932d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 933d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 9372c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9393c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9403c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9413c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9423c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 946a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 948ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 949b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 950b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 951d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 952d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 953d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 95690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 963fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 964ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 965d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 966d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 969200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 9712b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 9723c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9733c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9743c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9753c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 979a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 981ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 982b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 983b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 984d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 985d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 986d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 996d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 997d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 998d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 10009c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10019c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10029c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 10069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1012d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10139b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 1014200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 10159b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 10163c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 10173c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1021200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1023d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 1024d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1025d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10287a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // FIXME: offloaded and direct tracks call into the HAL for render positions 10297a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // for compressed/synced data; however, we use proxy position for pure linear pcm data 10307a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // as we do not know the capability of the HAL for pcm position support and standby. 10317a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung // There may be some latency differences between the HAL position and the proxy position. 10327a490e7ab39ef0b22baf24b03f2463c46dc068edAndy Hung if (isOffloadedOrDirect_l() && !isPurePcmData_l()) { 1033b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1035ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 10367064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 10377064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 10387064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 10397064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 10407064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1041142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 10421f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 10431f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 10441f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1045b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 10467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 10477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1048b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1049b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1050275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 10511f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 10521f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 10531f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1054275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1055275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1056b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1057200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 105890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1059b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1063377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 10649c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 1065d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0) { 10669c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 10679c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10689c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 10699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 10749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 10759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 10769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1079d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1080083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1081083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1082083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 10831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1086d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1087d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 10899b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 10909b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 10911b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 109253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 10939b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 109453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 109553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 109653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 109753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 109853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 109953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 110053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 11019b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110538e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1106c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 11071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1108b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 11091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 11101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1111aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1112aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1113aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1114aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1115493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1116aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1117493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1118aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1119aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1120aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1121aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1122aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1123aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1124aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1125296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1126296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1127296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1128296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1129296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1130296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1131296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1132296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1133be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1134be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11362beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 11372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 11382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 11392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 11402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1141be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1142be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1143e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1144e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1145e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1146e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1147e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1148e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1149e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1150e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1154200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 115534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 115634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 115734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1158e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1159e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 116034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 116134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1162296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1163296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1164296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1165e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1166e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1167e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1168e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1169ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // mFlags (not mOrigFlags) is modified depending on whether fast request is accepted. 1170ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George // After fast request is denied, we will request again if IAudioTrack is re-created. 1171ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 1172aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1173aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 1174d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten mSessionId, &streamType, mClientUid, 1175aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1176aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1177e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1178e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 11794c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 11805bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 11814c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 118238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 118338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 118438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 118538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 118638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 118738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1188ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 11899f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1190ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 119238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1193d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 11949f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1195d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 11969f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1197ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1198b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 119938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1200ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1201ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 12029f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1203ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1204b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 120538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1206ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 12070d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 12089f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 12099f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 12100d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 12117fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 1212d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 121333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 121433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool useCaseAllowed = 12154a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 12164a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1217363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1218c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 12191dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 12201dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 122133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk (mTransfer == TRANSFER_OBTAIN) || 122233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // use case 4: synchronous write 122333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ((mTransfer == TRANSFER_SYNC) && mThreadCanCallJava); 122433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // sample rates must also match 122533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool fastAllowed = useCaseAllowed && (mSampleRate == mAfSampleRate); 122633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!fastAllowed) { 12277fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, " 122833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk "track %u Hz, output %u Hz", 12299f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 123033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 123133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 12324a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12334a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1234d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1235e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1236363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1237fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (!audio_has_proportional_frames(mFormat)) { 1238e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1239363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1240e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1241363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1242e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 12439f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1244d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1245b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1246b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1247b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1248363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1249abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1250abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1251abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1252abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1253b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1254abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1255b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1256b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1257a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1258e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1259e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1260e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12611d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1262a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1263363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 126438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 126538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1266e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1267e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1268e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1269e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1270e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1271e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1272abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1273e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 12748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 12758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 12778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 12788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 12799f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 12805a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 12818edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 12828edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 12838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 12848edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1285d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1286d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1287a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 12883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 12893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1290363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 12914a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 129233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mAudioTrackThread != 0 && !mThreadCanCallJava) { 12933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 12943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 12954a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12964a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1297363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1298b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1299b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1300b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1301ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1302ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1303ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1304ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 130574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 130674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1307d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t originalSessionId = mSessionId; 1308e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1309363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1310abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1311a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 131274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1313e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1314363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 131534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 13163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1317be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1318462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 131934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1320138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1321138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 132234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1323c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 132429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 132538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 132634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1327c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1328c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 132938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 133038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 133138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 13327fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // FIXME compare to AudioRecord 1333d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1334d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 133529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 133634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 133734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 13380cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 13390cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 13400cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 13410cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 13420cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 134353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 13449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1345f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 13479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 134834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1349d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 13503bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 13513bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 13520cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1353d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 135474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1355b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1356b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1357b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1358b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 135934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1360b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1361b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 13625f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1363a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1364363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1365e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 136634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 136733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!mThreadCanCallJava) { 136833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mAwaitBoost = true; 136933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 13703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1371ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1372363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1373e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 13757fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten 13767fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // Make sure that application is notified with sufficient margin before underrun. 13777fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 13787fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 13797fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n = 2 fast track with double buffering 13807fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n = 2 normal track, (including those with sample rate conversion) 13817fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // n >= 3 very high latency or very small notification interval (unused). 13827fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // FIXME Move the computation from client side to server side, 13837fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten // and allow nBuffering to be larger than 1 for OpenSL ES, like it can be for Java. 13840e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 13857fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten size_t maxNotificationFrames = frameCount; 13867fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten if (!(trackFlags & IAudioFlinger::TRACK_FAST)) { 13877fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten const uint32_t nBuffering = 2; 13887fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten maxNotificationFrames /= nBuffering; 13897fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten } 13907fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > maxNotificationFrames) { 13917fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten ALOGW("Client adjusted notificationFrames from %u to %zu for frameCount %zu", 13927fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct, maxNotificationFrames, frameCount); 13937fd0422fbd17af3b24eb04421d37fce50f3826e2Glenn Kasten mNotificationFramesAct = (uint32_t) maxNotificationFrames; 13940e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13950e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 139738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 139838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1406363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1407138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 140834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1409363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1410138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1411138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1412138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1413138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 141434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 141534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 14162beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 14178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1418e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 14199f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 14205f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1421b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1422093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1423093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1424b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1425b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1426093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1427e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1428d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1429d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1430d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1431e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1432363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1434abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1436abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1439e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1440e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1441e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1442e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1443e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1444e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 14455a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 14465a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 14475a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 144826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 14495a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 14505a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 14515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 14525a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 14535a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1457f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1458e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1459296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1460296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1461296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1462296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 146334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 146438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 146538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 146638e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1467d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten AudioSystem::releaseOutput(output, streamType, mSessionId); 146838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 146938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 147038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 147138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 147234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 147334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1474b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 147589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1477551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1478551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1479551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1486551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1487551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1488551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1493df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1507b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1516e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 152889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 15311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1541b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 154389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15484d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if (status == NOT_ENOUGH_DATA) { 15494d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 15504d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } 15514d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1556b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1559b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1560b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1561b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1562b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1563b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 15744d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent } while (((status == DEAD_OBJECT) || (status == NOT_ENOUGH_DATA)) && (tryCounter-- > 0)); 157589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1577abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 158489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158554a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15873f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1592abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1600e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 16011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1602200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 16074d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent restartIfDisabled(); 16084d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent} 16094d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent 16104d231dc0ee34380956c71cbe18a750e487a69601Eric Laurentvoid AudioTrack::restartIfDisabled() 16114d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent{ 16124d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 16134d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent if ((mState == STATE_ACTIVE) && (flags & CBLK_DISABLED)) { 16144d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 16154d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent // FIXME ignoring status 16164d231dc0ee34380956c71cbe18a750e487a69601Eric Laurent mAudioTrack->start(); 1617df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1622720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 162389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1624d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mTransfer != TRANSFER_SYNC) { 1625d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1626d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 162789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1628ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1629ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1630ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1631ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1632ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1633ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1634ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1635ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1636ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1637ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 163999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 164099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1641377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 164289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 164689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1651720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1652720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 165389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1656d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 165789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1660ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1661abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 166389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 166489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 166589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 166889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1669ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (written > 0) { 1670ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += written / mFrameSize; 1671ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 167289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 167389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 167489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 167589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 167689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16777c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 167889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1679fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1680fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1681fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1682fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1683fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 16841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1685a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1686a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1687a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1688a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1689a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1690a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1691a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1692a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1693a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1694a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1695a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1696a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1697a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1698a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1699a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1700a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1701a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1702b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1703b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1704a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 17051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 170896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1709a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1713b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1714b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1715ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1716f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1717f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 171853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 171953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1720b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 172189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1722c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1723b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 172589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 174489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 174589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 174790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 174989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 175190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 175290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 175390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 175990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 176090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 176390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17695a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1770a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1777b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 177896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 178053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 178153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 178253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 178353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 178453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 178553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 178653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 178753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 178853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 178953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 179053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 179153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 179253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 179353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 179453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 179553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 179653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 179753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 179853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 179953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 180053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 180153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1803abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1808a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1809a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1810a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1811b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1812a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1813a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1814a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1815a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1816b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1817b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1818b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1819b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 182096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1822b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1823b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1824b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 182539609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 182639609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 182739609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 182839609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 182939609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 183096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 183196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 183296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 183396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 183496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 183596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 183696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 183796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1838c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1839b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1840b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 184196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 184296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 184396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 184496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1845b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 184696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1847b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1848b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 185353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 185553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 186490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1869b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1873b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1874ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1875b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1876b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 187789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 187889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 188289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 188389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 18869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 188890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 18912d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 18939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18942d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 189590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 189689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 189789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 19022267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 19032267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 1904a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 1905a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 1906a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 1907a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 19109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 1911a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 1912a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 1913a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 1914a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 19199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 192189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1922a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 1923a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 1924a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 1925a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 1926a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 1927a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 1928a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 19349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 19369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1938ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung size_t writtenFrames = 0; 19399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1940c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 19419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 19429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 19439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 19449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 19459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 194634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 194934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1950b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1952b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1953b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 1954606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 1955606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 195689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 19589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 195989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1961fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (mRetryOnPartialBuffer && audio_has_proportional_frames(mFormat)) { 19629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 1964a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 1965a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 1966a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 1967a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 1968a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 1969a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 19709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1974d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 197589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 197689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 197789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 197989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 198089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 198234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 198334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 19849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 19859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 19888555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 19898555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 19908555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 19918555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 1992a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1993a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 1994a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 1995a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 1996a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 1997a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 1998a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 1999a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 2000a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 2001a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2002a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 2003a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 2004a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 2005a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2006a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 2007fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(mFormat)) { 2008a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 2009a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2010a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2011a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2012a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2013a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2014a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2015a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2016a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2017a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2018a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2019a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2020a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2021a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2022a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2023a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2024a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2025a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2026a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2027a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2028d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 202989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2030138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 20319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 20329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 20339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 20349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 20359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 20369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 20379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 203889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 203989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 2040ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung writtenFrames += releasedFrames; 204189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 20439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 20449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 20459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 20499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 20509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 20549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 20559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 20569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 20579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 20589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 20598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 206389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2064ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (writtenFrames > 0) { 2065ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2066ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWritten += writtenFrames; 2067ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 20689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 20699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 20709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 207389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 207489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 20761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2077b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2078ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 20799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 20801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2081a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2082d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2083a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2084a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2085faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 20861f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 20871f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2088b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2089b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2090b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 20912812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 20922812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 20932812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2094200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 20954ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 20964ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 20974ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20984ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 20994ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2100200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2101ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George mFlags = mOrigFlags; 2102ae34ed2bcc9fa49a22fe7497327adb689ef27e8dHaynes Mathew George 2103200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2104a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2105200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2106200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2107ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2108cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2109a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2110d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2111d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2112d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2113d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2114d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2115d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 21164ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 21174ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21184ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 21194ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 21204ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 21214ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 21224ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 212353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 212453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 212553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 21261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2129a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 2130ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung mFramesWrittenServerOffset = mFramesWritten; // server resets to zero so we offset 21311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 21349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 21359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2136c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 21371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 21391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 21401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 21411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 214290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2143200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2144200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 214590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 214690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2147200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2148200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2149200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2150200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2151200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2152200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2153200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2154200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 215590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 215690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 215790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2158039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 215990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 216090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 216190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 216290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2163200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2164200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 21658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 21668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 21678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 21688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 21698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 21708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 21729f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed); 21738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 21748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 21758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 21768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 21778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2178ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2179ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2180ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 218153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2182ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2183ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2184ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hungstatus_t AudioTrack::getTimestamp(ExtendedTimestamp *timestamp) 2185ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung{ 2186ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (timestamp == nullptr) { 2187ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return BAD_VALUE; 2188ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2189ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung AutoMutex lock(mLock); 2190e13f8a603867280de9b02ce4839202a182556416Andy Hung return getTimestamp_l(timestamp); 2191e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2192e13f8a603867280de9b02ce4839202a182556416Andy Hung 2193e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::getTimestamp_l(ExtendedTimestamp *timestamp) 2194e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2195ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (mCblk->mFlags & CBLK_INVALID) { 2196ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung const status_t status = restoreTrack_l("getTimestampExtended"); 2197ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (status != OK) { 2198ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 2199ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // recommending that the track be recreated. 2200ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return DEAD_OBJECT; 2201ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2202ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2203ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung // check for offloaded/direct here in case restoring somehow changed those flags. 2204ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung if (isOffloadedOrDirect_l()) { 2205ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return INVALID_OPERATION; // not supported 2206ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2207ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung status_t status = mProxy->getTimestamp(timestamp); 2208e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung LOG_ALWAYS_FATAL_IF(status != OK, "status %d not allowed from proxy getTimestamp", status); 2209ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung bool found = false; 2210e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[ExtendedTimestamp::LOCATION_CLIENT] = mFramesWritten; 2211e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mTimeNs[ExtendedTimestamp::LOCATION_CLIENT] = 0; 2212e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // server side frame offset in case AudioTrack has been restored. 2213e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung for (int i = ExtendedTimestamp::LOCATION_SERVER; 2214e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung i < ExtendedTimestamp::LOCATION_MAX; ++i) { 2215e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung if (timestamp->mTimeNs[i] >= 0) { 2216e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // apply server offset (frames flushed is ignored 2217e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung // so we don't report the jump when the flush occurs). 2218e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung timestamp->mPosition[i] += mFramesWrittenServerOffset; 2219e1e9846a786a0d77a13b44f8e798e03b4cba9d77Andy Hung found = true; 2220ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2221ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung } 2222ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung return found ? OK : WOULD_BLOCK; 2223ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung} 2224ea2b9c07b34079f0dbd8610a511e006e69a15adcAndy Hung 2225ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2226ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 222753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 22281b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22291b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 22301b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 22311b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 22321b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 22347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 22357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 22367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 22377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 22387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 22397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 22407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 22417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 22427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 22437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 22447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 22467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 22477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 22487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2249fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 22507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2251275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 22526653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 22536653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 22546653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 22556653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 22566653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 22576653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2258275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2259275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2260200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2261200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 22626ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung 22636ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status_t status; 2264818e7a32ce3633980138aff2c2bfcc5158b3cfccAndy Hung if (isOffloadedOrDirect_l()) { 22656ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // use Binder to get timestamp 22666ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mAudioTrack->getTimestamp(timestamp); 22676ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } else { 22686ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // read timestamp from shared memory 22696ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung ExtendedTimestamp ets; 22706ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mProxy->getTimestamp(&ets); 22716ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == OK) { 22726ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = ets.getBestTimestamp(×tamp); 22736ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22746ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == INVALID_OPERATION) { 22756ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = WOULD_BLOCK; 22766ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22776ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2279dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 22807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 22817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 22837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 22847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 22857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 22867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 22877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 22887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2291c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2292c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2293c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2294c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2295c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2296c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 22977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 22987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 22997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 23007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 23027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 23047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 23057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 23067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 23077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 23098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 23105a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 23117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 23127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 23137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2314c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 23157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2316c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2317c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 23187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 23197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 23207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2321c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2322c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2323c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2324c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2325c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2326c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2327c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 23287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 23297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2330c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2331c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2332c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2333c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2334c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 23357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2336c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 23377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2339200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2340200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2341200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2342200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2343200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2344200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2345200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2346200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 234790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 234890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 234990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 235090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 235190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 235290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2353200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2354200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2355200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2356200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2357200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 235890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 235990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2360200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2361200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2362200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2363200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2364200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2365200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2366200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2367fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 23681b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23691b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 23701b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 23711b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 23721b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 237390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung#define TIME_TO_NANOS(time) ((int64_t)time.tv_sec * 1000000000 + time.tv_nsec) 237490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 237590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 23761b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 23771b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 23781b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 23791b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 23801b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23811b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23821b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 23831b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 238490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 238590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 23861b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 23871b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 23884c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 23894c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 23904c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 23914c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 23924c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 23934c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 23944c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 23954c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 23964c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23974c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 23984c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 23994c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 24001b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 24011b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 24021b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24031b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24041b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 24051b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 24061b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 24071b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2408fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2409ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2410ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2411ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2412ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 24132c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2414142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 24152c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2416b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2417b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2418b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2419ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2420ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 242123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 242223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 242323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 242423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 242523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 242623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2427ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2428ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2429ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2430ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2431ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2432ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2433ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2434ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2435ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2436ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2437ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2438ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2439ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 24407c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 244189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 244289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 244389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 244489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 244589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 244689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 244789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 244885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2449877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 245089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2451377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2452b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 245389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 24555a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 245689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 245889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 245989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 246089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 246189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 246289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24632812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 24642812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24652812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 24662812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 24672812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24682812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24692812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 24702812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24712812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 24722812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24732812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 24759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 24779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 24789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2480296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2481296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2482296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2483296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2484296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2485296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2486296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2487296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2488296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2489296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2490296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2491296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2492296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2493296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2494296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2495296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2496296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2497296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2498296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2499296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2500296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2501296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2502296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2503296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2504296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2505296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2506296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2507296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2508296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2509296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2510296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2511296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2512296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2513296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2514296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2515296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2516296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2517296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2518296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2519296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2520296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2521296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2522e13f8a603867280de9b02ce4839202a182556416Andy Hungstatus_t AudioTrack::pendingDuration(int32_t *msec, ExtendedTimestamp::Location location) 2523e13f8a603867280de9b02ce4839202a182556416Andy Hung{ 2524e13f8a603867280de9b02ce4839202a182556416Andy Hung if (msec == nullptr || 2525e13f8a603867280de9b02ce4839202a182556416Andy Hung (location != ExtendedTimestamp::LOCATION_SERVER 2526e13f8a603867280de9b02ce4839202a182556416Andy Hung && location != ExtendedTimestamp::LOCATION_KERNEL)) { 2527e13f8a603867280de9b02ce4839202a182556416Andy Hung return BAD_VALUE; 2528e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2529e13f8a603867280de9b02ce4839202a182556416Andy Hung AutoMutex lock(mLock); 2530e13f8a603867280de9b02ce4839202a182556416Andy Hung // inclusive of offloaded and direct tracks. 2531e13f8a603867280de9b02ce4839202a182556416Andy Hung // 2532e13f8a603867280de9b02ce4839202a182556416Andy Hung // It is possible, but not enabled, to allow duration computation for non-pcm 2533e13f8a603867280de9b02ce4839202a182556416Andy Hung // audio_has_proportional_frames() formats because currently they have 2534e13f8a603867280de9b02ce4839202a182556416Andy Hung // the drain rate equivalent to the pcm sample rate * framesize. 2535e13f8a603867280de9b02ce4839202a182556416Andy Hung if (!isPurePcmData_l()) { 2536e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; 2537e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2538e13f8a603867280de9b02ce4839202a182556416Andy Hung ExtendedTimestamp ets; 2539e13f8a603867280de9b02ce4839202a182556416Andy Hung if (getTimestamp_l(&ets) == OK 2540e13f8a603867280de9b02ce4839202a182556416Andy Hung && ets.mTimeNs[location] > 0) { 2541e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t diff = ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT] 2542e13f8a603867280de9b02ce4839202a182556416Andy Hung - ets.mPosition[location]; 2543e13f8a603867280de9b02ce4839202a182556416Andy Hung if (diff < 0) { 2544e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = 0; 2545e13f8a603867280de9b02ce4839202a182556416Andy Hung } else { 2546e13f8a603867280de9b02ce4839202a182556416Andy Hung // ms is the playback time by frames 2547e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t ms = (int64_t)((double)diff * 1000 / 2548e13f8a603867280de9b02ce4839202a182556416Andy Hung ((double)mSampleRate * mPlaybackRate.mSpeed)); 2549e13f8a603867280de9b02ce4839202a182556416Andy Hung // clockdiff is the timestamp age (negative) 2550e13f8a603867280de9b02ce4839202a182556416Andy Hung int64_t clockdiff = (mState != STATE_ACTIVE) ? 0 : 2551e13f8a603867280de9b02ce4839202a182556416Andy Hung ets.mTimeNs[location] 2552e13f8a603867280de9b02ce4839202a182556416Andy Hung + ets.mTimebaseOffset[ExtendedTimestamp::TIMEBASE_MONOTONIC] 2553e13f8a603867280de9b02ce4839202a182556416Andy Hung - systemTime(SYSTEM_TIME_MONOTONIC); 2554e13f8a603867280de9b02ce4839202a182556416Andy Hung 2555e13f8a603867280de9b02ce4839202a182556416Andy Hung //ALOGV("ms: %lld clockdiff: %lld", (long long)ms, (long long)clockdiff); 2556e13f8a603867280de9b02ce4839202a182556416Andy Hung static const int NANOS_PER_MILLIS = 1000000; 2557e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (int32_t)(ms + clockdiff / NANOS_PER_MILLIS); 2558e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2559e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2560e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2561e13f8a603867280de9b02ce4839202a182556416Andy Hung if (location != ExtendedTimestamp::LOCATION_SERVER) { 2562e13f8a603867280de9b02ce4839202a182556416Andy Hung return INVALID_OPERATION; // LOCATION_KERNEL is not available 2563e13f8a603867280de9b02ce4839202a182556416Andy Hung } 2564e13f8a603867280de9b02ce4839202a182556416Andy Hung // use server position directly (offloaded and direct arrive here) 2565e13f8a603867280de9b02ce4839202a182556416Andy Hung updateAndGetPosition_l(); 2566e13f8a603867280de9b02ce4839202a182556416Andy Hung int32_t diff = (Modulo<uint32_t>(mFramesWritten) - mPosition).signedValue(); 2567e13f8a603867280de9b02ce4839202a182556416Andy Hung *msec = (diff <= 0) ? 0 2568e13f8a603867280de9b02ce4839202a182556416Andy Hung : (int32_t)((double)diff * 1000 / ((double)mSampleRate * mPlaybackRate.mSpeed)); 2569e13f8a603867280de9b02ce4839202a182556416Andy Hung return NO_ERROR; 2570e13f8a603867280de9b02ce4839202a182556416Andy Hung} 2571e13f8a603867280de9b02ce4839202a182556416Andy Hung 25729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 25739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 25747c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 25759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 25769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 25779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 25789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 25799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 25809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 25819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 25829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 258389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 258489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 258589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2586598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2587598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 25883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 259289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 259389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 259489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 259589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 259689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 25983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 25993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 26003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 26013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 26023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 26033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2604598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2605598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2606598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2607598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 26085a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 26095a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 26105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 26115a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 26125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 26135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 26149d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 26155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 26165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 26173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 26187985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 26197985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 26207985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 26217c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 26229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 26239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 26249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 26259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 26265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 26279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 26289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 26299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 26305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 26313c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 26323c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 26335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 26349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 263534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 26365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 26379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2638ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 263989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 264089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 26423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 26443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2645598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 26463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 26493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 26513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 26523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 26553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 26563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2657598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 26589d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 26593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 26609d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 26613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 26623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 26633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 26643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26653c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 26663c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 26673c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 2668a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 2669a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 2670a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 26713c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 2672a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 2673a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 2674a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 2675a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 2676a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 26773c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 26783c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 26793c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 26805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 26815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 26825a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 26835a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 26845a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 26855a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 26865a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 268740bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2688