AudioTrack.cpp revision fdb3c07db5d44535eb8c3ec46dc78ad8446c01eb
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), 1664ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1677064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 168aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 169aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 171faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 172faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 173faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 174faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 178fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 180e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 18128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 182bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1830ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 186838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 188ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 189462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 190d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 191d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 192faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 193faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 194879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1954ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1967064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 197aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 198aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2000d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 201a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 202462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 203faeb0f291330134dc4468359a36e099aae508449Ronghua Wu offloadInfo, uid, pid, pAttributes, doNotReconnect); 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 206c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 207fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 209e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 2120ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 215838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 2169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 217ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 218462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 219d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 220d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 221faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 222faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 223879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2244ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2257064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 226aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 227aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2290d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 23017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 231d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 232faeb0f291330134dc4468359a36e099aae508449Ronghua Wu uid, pid, pAttributes, doNotReconnect); 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 243b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 248296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent // No lock here: worst case we remove a NULL callback which will be a nop 249296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 250296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 251296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 252f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 25353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2543bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2553bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2574c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2584c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 259d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 264fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 266e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 26728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 268bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2690ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 272838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 274be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 276ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 277462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 278d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 279faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 280faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 281faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 283bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 2844c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 285bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2864c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 28786f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 28833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mThreadCanCallJava = threadCanCallJava; 28933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk 2909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 323dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 325faeb0f291330134dc4468359a36e099aae508449Ronghua Wu mDoNotReconnect = doNotReconnect; 3269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 32797c9f4fd7bc31e2968d816402659ba1c64f10b42Eric Laurent ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %zu", sharedBuffer->pointer(), 32885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3311a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 33253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3331dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 33429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 339e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 340fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 342faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 343223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 344faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 345faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 346faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 347faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 348e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 349faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 350faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 351faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 352faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 353faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 354e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 355c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 356c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 357c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 35833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if ((mAttributes.flags & AUDIO_FLAG_LOW_LATENCY) != 0) { 35933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk flags = (audio_output_flags_t) (flags | AUDIO_OUTPUT_FLAG_FAST); 36033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 361dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 362ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 364e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 365fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 366fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk } else if (format == AUDIO_FORMAT_IEC61937) { // HDMI pass-through? 367fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk mAttributes.flags |= AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO; 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 371fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 372cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 375dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 376c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3778ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3788ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3798ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3808ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 381e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 382e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 383e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3848ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 385c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 386b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 387b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 388b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 389b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 390b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 391b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3920ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3940ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 395c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 396c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 397d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 398d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 399d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 400d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 401d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 402b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 403fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(format)) { 404b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 405b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 406b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 407b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 408e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 409fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk ALOG_ASSERT(audio_has_proportional_frames(format)); 410b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 411b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 412b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 413e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 414e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 4150d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 4160d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 4170d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 4180d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 4190d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 4203a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = sampleRate; 4215a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 4220d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 423b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 424b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 425b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 426b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 427b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 428b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 429b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 430b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 431b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 432b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 43366e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 43466e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 43505632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 436396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 437b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 438d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 440caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 441caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 442caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 443caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 444caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 445d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 446d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 447d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 448462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 449462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 450462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 451462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 452d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 453d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 454d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 455d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 456d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4572beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 458093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 4594a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 460be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 461a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 462896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 463a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 464bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 465a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 466a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 46734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4680d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 469a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 47034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 471a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 474a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 475a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4824ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4834ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4844ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 48553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4872c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 490200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 491200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 493d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4971b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 498c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 499c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5002812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = 0; 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 507b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 509f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 5139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 5162b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 523200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 526200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5271b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 528c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 529c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5301b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 53161be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // If previousState == STATE_STOPPED, we reactivate markers (mMarkerPosition != 0) 53261be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // as the position is reset to 0. This is legacy behavior. This is not done 53361be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // in stop() to avoid a race condition where the last marker event is issued twice. 53461be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: the if is technically unnecessary because previousState == STATE_FLUSHED 53561be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // is only for streaming tracks, and mMarkerReached is already set to false. 53661be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung if (previousState == STATE_STOPPED) { 53761be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung mMarkerReached = false; 53861be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung } 53961be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 5407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 546ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 547ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 548ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 550200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 55196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 556b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 559b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 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 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 581b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 582b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 583b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 585879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 586a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 596397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 60023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 601b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 602b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 603b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 604c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 605b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 606b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 60961be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 61061be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 61161be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6129b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6149b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6159b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6169b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 618b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 62123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 622b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 623b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6329a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6444bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6522c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6532c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6542c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6552c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 656b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 659c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 66023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 661b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 662b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6644bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 669f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 670b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 671b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 672b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 674b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6797064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6803a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 681142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6937064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6947064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6957064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6967064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6977064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 700be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 702c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 703c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 704c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 705be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 706be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 707be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 70966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 71066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 712c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 713be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 71423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 71559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 71659fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 717be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 720b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 722b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 723be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 724be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 727c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 728c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 729be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 730be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 731be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 733be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 734e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 735be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 736be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 737be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 738be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 739a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 740be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 741be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 743be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7463b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7485cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7495cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7505cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7515cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 752d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7534ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7544ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7550d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7560d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7570d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7585cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7595cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7610d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 762573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7655a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 76626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 767d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 768d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 771e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 77226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 773e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 774573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 777a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7806f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7816f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7826f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7836f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 784ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 785142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7866f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 787b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7886f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7896f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7906f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7916f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7926f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 793e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7963a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 7973a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 7983a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 7993a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8003a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8015a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8045a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 807d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l()) { 8088edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 81326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8145a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8155a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8165a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 8176c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8186c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8196c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8206c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 8216c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 82226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 82326145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 8248edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 82526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 8265a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 8278edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8295a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8306c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 831e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 8326c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 8336c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8346c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8356c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8366c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 837e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 8386c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 8396c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8406c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8416c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8426c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 8436c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 8445a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 84526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 8468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8495a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8525a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 855c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::getBufferSizeInFrames() 856c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 857c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 858c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 859c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 860c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 861c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return mProxy->getBufferSizeInFrames(); 862c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 863c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 864c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::setBufferSizeInFrames(size_t bufferSizeInFrames) 865c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 866c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 867c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 868c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 869c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 870c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // Reject if timed track or compressed audio. 871d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (!audio_is_linear_pcm(mFormat)) { 872c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return INVALID_OPERATION; 873c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 874c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // TODO also need to inform the server side (through mAudioTrack) that 875c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // the buffer count is reduced, otherwise the track may never start 876c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // because the server thinks it is never filled. 877c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return mProxy->setBufferSizeInFrames(bufferSizeInFrames); 878c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 879c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 882d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 883083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 884083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 885083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 899c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9064ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 9074ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9084ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 9094ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 9104ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 91153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 9129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 9133c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9143c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 9159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 919fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 920ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 921d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 922d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 9262c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9283c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9293c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9303c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9313c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 935a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 937ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 938b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 939b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 940d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 941d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 942d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 94590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 952fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 953ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 954d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 955d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 958200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 9602b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 9613c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9623c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9633c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9643c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 968a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 970ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 971b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 972b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 973d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 974d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 975d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 985d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 986d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 987d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 9899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9909c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9919c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1001d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10029b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 1003200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 10049b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 10053c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 10063c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1010200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1012d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 1013d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1014d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1017ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 1018b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1020ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 10217064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 10227064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 10237064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 10247064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 10257064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1026142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 10271f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 10281f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 10291f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1030b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 10317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 10327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1033b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1034b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1035275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 10361f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 10371f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 10381f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1039275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1040275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1041b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1042200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 104390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1044b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1048377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 10499c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 1050d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0) { 10519c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 10529c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10539c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 10549c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10559c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10569c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 10599c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 10609c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 10619c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1064d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1065083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1066083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1067083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 10681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1071d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1072d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 10749b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 10759b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 10761b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 107753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 10789b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 107953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 108053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 108153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 108253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 108353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 108453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 108553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 10869b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1091c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 10921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1093b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 10941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1096aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1097aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1098aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1099aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1100493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1101aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1102493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1103aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1104aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1105aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1106aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1107aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1108aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1109aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1110296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1111296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1112296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1113296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1114296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1115296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1116296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1117296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1118be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1119be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11212beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 11222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 11232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 11242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 11252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1126be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1127be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1128e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1129e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1130e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1131e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1132e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1133e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1134e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1135e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 113789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1139200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 114034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 114134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 114234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1143e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1144e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 114534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 114634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1147296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1148296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1149296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1150e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1151e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1152e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1153e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1154aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1155aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 11568c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent (audio_session_t)mSessionId, &streamType, mClientUid, 1157aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1158aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1159e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1160e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 11614c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 11625bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 11634c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 116438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 116538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 116638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 116738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 116838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 116938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1170ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 11719f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1172ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 117438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1175d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 11769f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1177d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 11789f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1179ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1180b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 118138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1182ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1183ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 11849f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1185ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1186b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 118738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1188ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 11890d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 11909f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 11919f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 11920d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 1193d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 119433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 119533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool useCaseAllowed = 11964a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 11974a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1198363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1199c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 12001dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 12011dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 120233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk (mTransfer == TRANSFER_OBTAIN) || 120333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // use case 4: synchronous write 120433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ((mTransfer == TRANSFER_SYNC) && mThreadCanCallJava); 120533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // sample rates must also match 120633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool fastAllowed = useCaseAllowed && (mSampleRate == mAfSampleRate); 120733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!fastAllowed) { 120833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d," 120933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk "track %u Hz, output %u Hz", 12109f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 121133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // once denied, do not request again if IAudioTrack is re-created 121233ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 121333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 12144a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12154a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1216ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1217b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1218b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 12190e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 12200e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 12210e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1222ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1223d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1224e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1225363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1226fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (!audio_has_proportional_frames(mFormat)) { 1227e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1228363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1229e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1230363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1231e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 12329f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1233d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1234b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1235b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1236b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1237363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1238abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1239abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1240abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1241abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1242b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1243abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1244b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1245b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1246a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1247e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1248e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1249e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12501d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1251a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1252363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 125338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 125438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1255e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1256e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1257e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1258e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1259e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1260e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1261abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1262e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 12638edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 12648edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 12668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 12678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 12689f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 12695a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 12708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 12718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 12728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 12738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1274d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1275d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1276a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 12773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 12783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1279363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 12804a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 128133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mAudioTrackThread != 0 && !mThreadCanCallJava) { 12823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 12833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 12844a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12854a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1286363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1287b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1288b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1289b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1290ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1291ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1292ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1293ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 129474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 129574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1296138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1297e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1298363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1299abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1300a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 130174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1302e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1303363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 130434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 13053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1306be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1307462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 130834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1309138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1310138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 131134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1312c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 131329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 131438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 131534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1316c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1317c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 131838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 131938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 132038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1321d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1322d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 132329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 132434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 132534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 13260cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 13270cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 13280cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 13290cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 13300cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 133153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 13329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1333f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 13359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 133634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1337d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 13383bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 13393bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 13400cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1341d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 134274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1343b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1344b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1345b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1346b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 134734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1348b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1349b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 13505f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1351a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1352363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1353e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 135434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 135533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!mThreadCanCallJava) { 135633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mAwaitBoost = true; 135733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 13583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 135934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1360093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1361363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1362e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1364363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1365b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1366b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1368b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1369363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 137038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 137138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1372b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1373b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1374ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1375ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1376ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1377ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1378ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1379ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1380ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1381ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1382ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1383ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 13840e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 13850e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 13860e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 13870e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 13880e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 13890e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 13900e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 13910e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 13920e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13930e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 139538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 139638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1404363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1405138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 140634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1407363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1408138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1409138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1410138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1411138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 141234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 141334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 14142beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 14158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1416e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 14179f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 14185f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1419b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1420093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1421093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1422b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1423b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1424093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1425e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1426d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1427d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1428d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1429e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1430363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1432abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1434abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1437e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1438e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1439e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1440e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1441e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1442e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 14435a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 14445a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 14455a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 144626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 14475a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 14485a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 14495a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 14505a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 14515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1455f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1456e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1457296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1458296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1459296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1460296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 146134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 146238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 146338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 146438e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1465e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 146638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 146738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 146838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 146938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 147034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 147134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1472b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 147389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1475551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1476551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1477551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1484551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1485551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1486551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1491df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1505b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1514e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 152089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 152689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 15291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1537b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1550b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1553b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1554b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1556b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1564c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1572abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 157989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158054a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15823f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1587abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1595e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1597200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 160496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1605c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1607df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1608df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1609df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1614720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1616d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mTransfer != TRANSFER_SYNC) { 1617d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1618d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1620ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1621ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1622ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1623ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1624ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1625ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1626ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1627ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1628ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1629ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 163199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 163299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1633377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 163489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 163989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1643720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1644720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 164589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1648d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 164989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 165089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1652ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1653abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 165689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 165789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 166289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 166389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 166589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16667c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1668fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1669fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1670fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1671fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1672fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 16731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1674a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1675a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1676a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1677a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1678a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1679a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1680a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1681a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1682a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1683a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1684a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1685a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1686a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1687a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1688a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1689a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1690a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1691b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1692b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1693a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 16941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 169796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1698a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1702b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1703b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1704ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1705f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1706f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 170753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 170853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1709b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 171089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 171489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 173389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 173489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 173690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 173889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 174090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 174190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 174290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 174890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 174990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 175290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17585a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1759a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1766b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 176796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 176953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 177053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 177153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 177253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 177353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 177453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 177553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 177653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 177753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 177853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 177953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 178053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 178153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 178253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 178353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 178453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 178553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 178653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 178753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 178853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 178953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 179053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1792abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1797a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1798a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1799a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1800b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1801a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1802a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1803a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1804a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1805b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1806b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1807b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1808b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 180996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1811b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1812b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1813b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 181439609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 181539609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 181639609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 181739609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 181839609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 181996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 182096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 182196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 182296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 182396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 182496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 182596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 182696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1827c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1828b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1829b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 183096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 183196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 183296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 183396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1834b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 183596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1836b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1837b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 184253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 184453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 185390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1858b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1862b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1863ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1864b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1865b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 186689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 186789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 187189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 187289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 187790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 18802d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18832d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 188490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 188589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 188689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 18889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 18909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 18912267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 18922267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 1893a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 1894a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 1895a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 1896a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 1900a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 1901a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 1902a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 1903a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 19089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 191089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1911a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 1912a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 1913a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 1914a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 1915a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 1916a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 1917a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 19199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 19209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 19219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 19229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 19239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 19249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 19259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1928c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 19299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 193434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 19369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 193734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1938b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 19399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1940b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1941b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 1942606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 1943606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 194489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 19469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 194789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1949fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (mRetryOnPartialBuffer && audio_has_proportional_frames(mFormat)) { 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 1952a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 1953a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 1954a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 1955a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 1956a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 1957a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 19589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1962d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 196389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 196489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 196589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 196789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 196889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 197034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 197134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 19729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 19739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 19768555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 19778555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 19788555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 19798555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 1980a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1981a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 1982a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 1983a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 1984a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 1985a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 1986a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 1987a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 1988a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 1989a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 1990a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 1991a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 1992a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 1993a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1994a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 1995fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(mFormat)) { 1996a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 1997a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 1998a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 1999a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2000a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2001a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2002a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2003a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2004a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2005a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2006a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2007a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2008a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2009a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2010a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2011a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2012a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2013a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2014a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2015a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2016d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 201789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2018138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 20199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 20209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 20219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 20229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 20239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 20249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 20259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 202689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 202789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 202889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 20309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 20319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 20329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 20369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 20379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 20419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 20429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 20439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 20449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 20459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 20468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 20479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 20499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 205089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 20529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 20539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 20559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 205689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 205789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 20591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2060b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2061ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 20631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2064a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2065d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2066a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2067a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2068faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 20691f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 20701f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2071b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2072b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2073b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 20742812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 20752812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 20762812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2077200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 20784ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 20794ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 20804ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20814ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 20824ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2083200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2084200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2085a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2086200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2087200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2088ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2089cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2090a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2091d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2092d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2093d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2094d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2095d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2096d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 20974ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 20984ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20994ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 21004ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 21014ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 21024ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 21034ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 210453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 210553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 210653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 21071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2110a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 21111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 21149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 21159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2116c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 21171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 21191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 21201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 21211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 212290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2123200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2124200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 212590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 212690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2127200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2128200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2129200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2130200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2131200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2132200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2133200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2134200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 213590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 213690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 213790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2138039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 213990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 214090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 214190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 214290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2143200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2144200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 21458edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 21468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 21478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 21488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 21498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 21508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 21529f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed); 21538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 21548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 21558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 21568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 21578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2158ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2159ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2160ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 216153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2162ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2163ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2164ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2165ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 216653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 21671b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 21681b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 21691b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 21701b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 21711b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2172fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 2173fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 2174fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 2175fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 21787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 21797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 21807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 21817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 21827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 21837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 21857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 21867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 21877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 21887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 21907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 21917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 21927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2193fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2195275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 21966653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 21976653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 21986653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 21996653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 22006653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 22016653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2202275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2203275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2204200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2205200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 2206fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 22077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2208dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 22097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 22107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 22127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 22137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 22147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 22157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 22167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 22177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2220c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2221c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2222c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2223c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2224c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2225c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 22267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 22277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 22287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 22297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 22317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 22337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 22347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 22357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 22367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 22388edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 22395a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 22407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 22427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2243c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 22447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2245c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2246c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 22477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 22487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 22497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2250c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2251c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2252c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2253c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2254c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2255c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2256c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 22577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 22587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2259c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2260c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2261c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2262c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2263c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 22647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2265c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 22667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2268200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2269200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2270200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2271200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2272200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2273200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2274200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2275200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 227690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 227790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 227890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 227990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 228090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 228190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2282200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2283200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2284200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2285200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2286200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 228790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 228890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2289200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2290200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2291200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2292200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2293200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2294200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2295200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2296fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 22971b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22981b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 22991b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 23001b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 23011b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 230290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung#define TIME_TO_NANOS(time) ((int64_t)time.tv_sec * 1000000000 + time.tv_nsec) 230390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 230490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 23051b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 23061b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 23071b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 23081b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 23091b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23101b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23111b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 23121b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 231390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 231490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 23151b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 23161b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 23174c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 23184c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 23194c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 23204c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 23214c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 23224c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 23234c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 23244c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 23254c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23264c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 23274c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 23284c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23291b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 23301b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 23311b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23321b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23331b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 23341b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 23351b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23361b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2337fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2338ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2339ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2340ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2341ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 23422c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2343142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 23442c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2345b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2346b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2347b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2348ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2349ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 235023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 235123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 235223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 235323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 235423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 235523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2356ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2357ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2358ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2359ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2360ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2361ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2362ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2363ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2364ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2365ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2366ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2367ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2368ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 23697c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 237089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 237189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 237289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 237389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 237489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 237589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 237689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 237785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2378877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 237989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2380377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2381b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 238289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 23838edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 23845a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 238589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 23869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 238789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 238889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 238989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 239089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 239189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23922812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 23932812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 23942812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 23952812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 23962812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 23972812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 23982812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 23992812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24002812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 24012812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24022812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 24049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 24069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 24079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2409296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2410296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2411296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2412296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2413296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2414296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2415296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2416296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2417296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2418296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2419296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2420296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2421296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2422296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2423296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2424296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2425296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2426296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2427296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2428296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2429296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2430296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2431296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2432296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2433296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2434296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2435296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2436296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2437296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2438296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2439296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2440296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2441296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2442296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2443296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2444296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2445296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2446296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2447296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2448296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2449296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2450296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 24519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 24529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24537c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 24549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 24569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 24579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 24589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 24599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 24609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 246289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 246389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 246489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2465598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2466598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 24673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 24683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 24693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 24703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 247189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 247289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 247389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 247489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 247589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 24773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 24783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 24793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 24803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 24813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 24823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2483598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2484598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2485598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2486598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 24875a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 24885a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 24895a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 24905a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 24915a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 24925a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 24939d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 24945a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 24955a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 24963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 24977985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 24987985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 24997985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 25007c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 25019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 25029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 25039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 25055a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 25069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 25089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 25095a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 25103c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 25113c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 25125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 25139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 251434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 25155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 25169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2517ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 251889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 251989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 25213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 25233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2524598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 25253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 25283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 25303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 25313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 25343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2536598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 25379d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 25383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 25399d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 25403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 25413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 25423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25443c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 25453c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 25463c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 2547a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 2548a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 2549a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 25503c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 2551a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 2552a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 2553a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 2554a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 2555a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 25563c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 25573c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 25583c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 25595a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 25605a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 25615a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 25625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 25635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 25645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 25655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 256640bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2567