AudioTrack.cpp revision 818e7a32ce3633980138aff2c2bfcc5158b3cfcc
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 5316ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // If previousState == STATE_STOPPED, we clear the timestamp so that it 5326ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // needs a new server push. We also reactivate markers (mMarkerPosition != 0) 53361be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // as the position is reset to 0. This is legacy behavior. This is not done 53461be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // in stop() to avoid a race condition where the last marker event is issued twice. 53561be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: the if is technically unnecessary because previousState == STATE_FLUSHED 53661be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // is only for streaming tracks, and mMarkerReached is already set to false. 53761be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung if (previousState == STATE_STOPPED) { 5386ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung mProxy->clearTimestamp(); // need new server push for valid timestamp 53961be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung mMarkerReached = false; 54061be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung } 54161be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 5427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 548ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 549ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 550ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 552200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 55396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 559b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 560b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 561b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 583b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 584b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 585b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 587879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 588a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 592b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 598397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 60223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 603b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 604b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 605b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 606c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 607b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 608b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 61161be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 61261be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 61361be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6149b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6169b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6179b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6189b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 620b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 62323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 624b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 625b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6349a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6464bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6542c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6552c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6562c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6572c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 658b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 661c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 66223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 663b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 664b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6664bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 671f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 672b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 674b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 675b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 676b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6817064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6823a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 683142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6957064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6967064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6977064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6987064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6997064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 702be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 704c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 705c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 706c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 707be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 708be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 709be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 71166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 71266e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 714c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 715be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 71623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 71759fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 71859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 722b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 724b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 725be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7272beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 728be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 729c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 730c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 731be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 732be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 733be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 735be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 736e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 737be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 738be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 739be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 740be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 741a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 742be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 743be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 745be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7483b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7505cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7515cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7525cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7535cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 754d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7554ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7564ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7570d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7580d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7590d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7605cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7615cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7630d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 764573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7675a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 76826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 769d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 770d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 773e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 77426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 775e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 776573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 779a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7826f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7836f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7846f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7856f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 786ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 787142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7886f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 789b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7906f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7916f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7926f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7936f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7946f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 795e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7983a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 7993a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 8003a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 8013a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8023a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8035a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8065a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8088edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 809d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (isOffloadedOrDirect_l()) { 8108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 81526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8165a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8175a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8185a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 8196c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8206c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8216c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8226c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 8236c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 82426145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 82526145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 8268edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 82726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 8285a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 8298edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8308edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8315a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8326c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 833e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 8346c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 8356c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8366c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8376c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8386c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 839e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 8406c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 8416c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8426c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8436c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8446c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 8456c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 8465a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 84726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 8488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8545a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 857c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::getBufferSizeInFrames() 858c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 859c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 860c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 861c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 862c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 863c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return mProxy->getBufferSizeInFrames(); 864c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 865c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 866c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burkssize_t AudioTrack::setBufferSizeInFrames(size_t bufferSizeInFrames) 867c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk{ 868c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk AutoMutex lock(mLock); 869c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk if (mOutput == AUDIO_IO_HANDLE_NONE || mProxy.get() == 0) { 870c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return NO_INIT; 871c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 872c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // Reject if timed track or compressed audio. 873d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (!audio_is_linear_pcm(mFormat)) { 874c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return INVALID_OPERATION; 875c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk } 876c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // TODO also need to inform the server side (through mAudioTrack) that 877c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // the buffer count is reduced, otherwise the track may never start 878c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk // because the server thinks it is never filled. 879c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk return mProxy->setBufferSizeInFrames(bufferSizeInFrames); 880c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk} 881c0adecb800b197cb8c028513130ebabf2d0f37baPhil Burk 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 884d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 885083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 886083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 887083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 8929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 901c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9084ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 9094ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9104ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 9114ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 9124ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 91353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 9149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 9153c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9163c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 9179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 921fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 922ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 923d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 924d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 9282c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9303c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9313c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9323c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9333c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 937a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 939ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 940b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 941b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 942d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 943d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 944d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 94790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 954fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 955ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 956d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 957d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 960200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 9622b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 9633c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9643c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9653c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9663c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 970a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 972ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 973b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 974b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 975d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 976d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 977d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 987d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 988d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 989d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 9919c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9929c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9939c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 10019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 1003d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10049b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 1005200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 10069b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 10073c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 10083c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1012200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1014d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 1015d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 1016d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1019ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 1020b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1022ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 10237064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 10247064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 10257064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 10267064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 10277064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1028142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 10291f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 10301f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 10311f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1032b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 10337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 10347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1035b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1036b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1037275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 10381f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 10391f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 10401f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1041275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1042275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1043b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1044200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 104590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1046b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1050377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 10519c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 1052d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0) { 10539c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 10549c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10559c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 10569c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10579c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10589c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 10619c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 10629c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 10639c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1066d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mSharedBuffer == 0 || isOffloadedOrDirect()) { 1067083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1068083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1069083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 10701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1073d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1074d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 10769b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 10779b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 10781b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 107953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 10809b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 108153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 108253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 108353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 108453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 108553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 108653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 108753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 10889b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109238e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1093c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 10941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1095b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 10961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1098aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1099aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1100aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1101aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1102493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1103aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1104493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1105aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1106aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1107aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1108aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1109aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1110aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1111aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1112296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1113296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1114296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1115296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1116296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1117296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1118296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1119296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1120be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1121be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 11242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 11252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 11262beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 11272beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1128be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1129be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1130e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1131e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1132e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1133e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1134e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1135e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1136e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1137e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 113889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1141200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 114234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 114334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 114434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1145e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1146e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 114734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 114834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1149296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1150296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1151296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1152e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1153e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1154e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1155e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1156aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1157aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 11588c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent (audio_session_t)mSessionId, &streamType, mClientUid, 1159aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1160aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1161e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1162e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 11634c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 11645bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 11654c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 116638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 116738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 116838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 116938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 117038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 117138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1172ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 11739f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1174ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 117638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1177d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 11789f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1179d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 11809f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1181ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1182b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 118338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1184ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1185ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 11869f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1187ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1188b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 118938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1190ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 11910d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 11929f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 11939f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 11940d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 1195d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 119633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 119733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool useCaseAllowed = 11984a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 11994a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1200363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1201c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 12021dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 12031dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 120433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk (mTransfer == TRANSFER_OBTAIN) || 120533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // use case 4: synchronous write 120633ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ((mTransfer == TRANSFER_SYNC) && mThreadCanCallJava); 120733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // sample rates must also match 120833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk bool fastAllowed = useCaseAllowed && (mSampleRate == mAfSampleRate); 120933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!fastAllowed) { 121033ff89ba94a527e4293ee5349da01483252d5c83Phil Burk ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d," 121133ff89ba94a527e4293ee5349da01483252d5c83Phil Burk "track %u Hz, output %u Hz", 12129f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 121333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk // once denied, do not request again if IAudioTrack is re-created 121433ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 121533ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 12164a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12174a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1218ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1219b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1220b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 12210e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 12220e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 12230e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1224ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1225d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1226e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1227363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1228fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (!audio_has_proportional_frames(mFormat)) { 1229e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1230363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1231e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1232363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1233e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 12349f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1235d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1236b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1237b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1238b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1239363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1240abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1241abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1242abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1243abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1244b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1245abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1246b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1247b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1248a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1249e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1250e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1251e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12521d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1253a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1254363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 125538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 125638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1257e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1258e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1259e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1260e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1261e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1262e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1263abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1264e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 12658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 12668edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 12688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 12698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 12709f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 12715a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 12728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 12738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 12748edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 12758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1276d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1277d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1278a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 12793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 12803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1281363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 12824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 128333ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (mAudioTrackThread != 0 && !mThreadCanCallJava) { 12843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 12853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 12864a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12874a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1288363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1289b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1290b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1291b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1292ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1293ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1294ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1295ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 129674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 129774935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1298138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1299e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1300363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1301abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1302a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 130374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1304e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1305363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 130634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 13073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1308be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1309462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 131034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1311138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1312138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 131334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1314c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 131529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 131638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 131734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1318c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1319c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 132038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 132138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 132238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1323d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1324d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 132529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 132634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 132734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 13280cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 13290cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 13300cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 13310cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 13320cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 133353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1335f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 13369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 13379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 133834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1339d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 13403bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 13413bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 13420cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1343d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 134474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1345b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1346b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1347b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1348b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 134934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1350b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1351b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 13525f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1353a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1354363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1355e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 135634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 135733ff89ba94a527e4293ee5349da01483252d5c83Phil Burk if (!mThreadCanCallJava) { 135833ff89ba94a527e4293ee5349da01483252d5c83Phil Burk mAwaitBoost = true; 135933ff89ba94a527e4293ee5349da01483252d5c83Phil Burk } 13603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 136134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1362093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1363363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1364e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1366363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1368b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1369b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1370b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1371363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 137238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 137338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1374b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1375b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1376ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1377ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1378ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1379ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1380ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1381ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1382ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1383ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1384ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1385ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 13860e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 13870e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 13880e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 13890e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 13900e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 13910e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 13920e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 13930e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 13940e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13950e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 139738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 139838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1406363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1407138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 140834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1409363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1410138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1411138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1412138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1413138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 141434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 141534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 14162beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 14178edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1418e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 14199f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 14205f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1421b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1422093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1423093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1424b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1425b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1426093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1427e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1428d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1429d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1430d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1431e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1432363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1434abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1436abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1439e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1440e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1441e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1442e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1443e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1444e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 14455a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 14465a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 14475a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 144826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 14495a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 14505a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 14515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 14525a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 14535a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1457f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1458e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1459296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1460296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1461296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1462296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 146334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 146438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 146538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 146638e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1467e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 146838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 146938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 147038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 147138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 147234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 147334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1474b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 147589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1477551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1478551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1479551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1486551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1487551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1488551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1493df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1507b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1516e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 152889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 15311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1541b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 154389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1553b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1554b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1556b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1559b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1574abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 158089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158254a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15843f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1589abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1597e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1599200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 160696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1607c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1609df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1610df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1611df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1616720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1618d79072e9dff59f767cce2cda1caab80ce5a0815bGlenn Kasten if (mTransfer != TRANSFER_SYNC) { 1619d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1620d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1622ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1623ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1624ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1625ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1626ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1627ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1628ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1629ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1630ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1631ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 163399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 163499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1635377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 163789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 164189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1645720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1646720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 164989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1650d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 165189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 165289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1654ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1655abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 165789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 165989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 166289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 166489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 166589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16687c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 166989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1670fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1671fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1672fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1673fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1674fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 16751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1676a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1677a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1678a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1679a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1680a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1681a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1682a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1683a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1684a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1685a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1686a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1687a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1688a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1689a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1690a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1691a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1692a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1693b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1694b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1695a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 16961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 169996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1700a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1703b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1704b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1705b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1706ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1707f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1708f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 170953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 171053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1711b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 171289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1713c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1714b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 171689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 173589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 173689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 173890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 174089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 174290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 174390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 174490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 175090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 175190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 175490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17605a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1761a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1768b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 176996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 177153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 177253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 177353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 177453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 177553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 177653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 177753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 177853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 177953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 178053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 178153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 178253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 178353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 178453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 178553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 178653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 178753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 178853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 178953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 179053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 179153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 179253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1794abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1799a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1800a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1801a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1802b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1803a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1804a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1805a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1806a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1807b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1808b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1809b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 181196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1812b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1813b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1814b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1815b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 181639609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 181739609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 181839609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 181939609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 182039609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 182196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 182296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 182396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 182496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 182596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 182696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 182796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 182896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1829c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1830b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1831b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 183296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 183396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 183496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 183596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1836b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 183796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1838b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1839b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 184453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 184653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 185590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1860b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1864b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1865ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1866b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1867b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 186889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 186989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 187389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 187489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 18779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 187990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 18822d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18852d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 188690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 188789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 188889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 18909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 18919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 18932267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 18942267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 1895a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 1896a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 1897a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 1898a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 1902a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 1903a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 1904a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 1905a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 19109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 191289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1913a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 1914a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 1915a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 1916a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 1917a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 1918a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 1919a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 19219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 19229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 19239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 19249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 19259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 19269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 19279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1930c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 19349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 193634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 19379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 19389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 193934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1940b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 19419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1942b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1943b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 1944606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 1945606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 194689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 194989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1951fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (mRetryOnPartialBuffer && audio_has_proportional_frames(mFormat)) { 19529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 1954a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 1955a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 1956a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 1957a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 1958a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 1959a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1964d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 196589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 196689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 196789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 196989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 197089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 197234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 197334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 19749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 19788555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 19798555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 19808555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 19818555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 1982a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1983a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 1984a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 1985a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 1986a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 1987a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 1988a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 1989a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 1990a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 1991a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 1992a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 1993a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 1994a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 1995a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1996a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 1997fdb3c07db5d44535eb8c3ec46dc78ad8446c01ebPhil Burk if (audio_has_proportional_frames(mFormat)) { 1998a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 1999a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2000a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2001a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2002a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2003a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2004a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2005a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2006a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2007a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2008a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2009a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2010a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2011a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2012a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2013a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2014a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2015a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2016a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2017a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2018d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 201989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2020138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 20219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 20229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 20239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 20249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 20259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 20269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 20279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 202889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 202989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 203089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 20329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 20339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 20349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 20389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 20399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 20439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 20449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 20459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 20469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 20479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 20488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 20499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 20519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 205289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 20549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 20559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 20579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 205889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 205989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 20611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2062b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2063ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 20649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 20651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2066a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2067d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2068a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2069a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2070faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 20711f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 20721f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2073b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2074b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2075b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 20762812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 20772812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 20782812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2079200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 20804ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 20814ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 20824ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 20834ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 20844ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2085200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2086200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2087a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2088200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2089200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2090ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2091cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2092a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2093d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2094d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2095d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2096d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2097d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2098d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 20994ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 21004ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21014ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 21024ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 21034ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 21044ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 21054ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 210653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 210753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 210853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 21091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2112a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 21131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 21169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 21179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2118c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 21191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 21211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 21221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 21231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 212490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2125200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2126200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 212790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 212890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2129200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2130200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2131200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2132200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2133200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2134200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2135200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2136200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 213790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 213890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 213990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2140039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 214190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 214290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 214390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 214490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2145200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2146200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 21478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 21488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 21498edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 21508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 21518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 21528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21538edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 21549f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed); 21558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 21568edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 21578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 21588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 21598edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2160ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2161ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2162ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 216353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2164ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2165ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2166ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2167ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 216853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 21691b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 21701b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 21711b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 21721b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 21731b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 21747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 21757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 21767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 21777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 21787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 21797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 21807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 21817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 21827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 21837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 21847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 21857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 21867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 21877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 21887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 21897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2190fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2192275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 21936653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 21946653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 21956653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 21966653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 21976653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 21986653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2199275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2200275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2201200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2202200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 22036ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung 22046ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status_t status; 2205818e7a32ce3633980138aff2c2bfcc5158b3cfccAndy Hung if (isOffloadedOrDirect_l()) { 22066ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // use Binder to get timestamp 22076ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mAudioTrack->getTimestamp(timestamp); 22086ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } else { 22096ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung // read timestamp from shared memory 22106ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung ExtendedTimestamp ets; 22116ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = mProxy->getTimestamp(&ets); 22126ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == OK) { 22136ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = ets.getBestTimestamp(×tamp); 22146ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22156ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung if (status == INVALID_OPERATION) { 22166ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung status = WOULD_BLOCK; 22176ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22186ae5843c281301a9ffd1059d185620a9337e15a2Andy Hung } 22197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2220dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 22217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 22227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 22247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 22257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 22267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 22277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 22287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 22297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2232c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2233c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2234c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2235c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2236c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2237c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 22387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 22397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 22407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 22417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 22437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 22457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 22467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 22477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 22487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 22508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 22515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 22527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 22547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2255c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 22567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2257c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2258c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 22597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 22607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 22617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2262c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2263c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2264c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2265c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2266c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2267c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2268c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 22697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 22707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2271c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2272c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2273c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2274c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2275c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 22767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2277c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 22787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2280200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2281200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2282200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2283200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2284200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2285200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2286200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2287200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 228890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 228990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 229090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 229190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 229290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 229390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2294200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2295200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2296200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2297200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2298200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 229990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 230090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2301200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2302200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2303200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2304200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2305200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2306200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2307200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2308fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 23091b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23101b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 23111b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 23121b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 23131b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 231490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung#define TIME_TO_NANOS(time) ((int64_t)time.tv_sec * 1000000000 + time.tv_nsec) 231590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 231690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 23171b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 23181b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 23191b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 23201b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 23211b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23221b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23231b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 23241b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 232590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 232690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 23271b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 23281b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 23294c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 23304c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 23314c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 23324c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 23334c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 23344c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 23354c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 23364c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 23374c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23384c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 23394c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 23404c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23411b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 23421b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 23431b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23441b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23451b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 23461b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 23471b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23481b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2349fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2350ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2351ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2352ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2353ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 23542c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2355142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 23562c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2357b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2358b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2359b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2360ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2361ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 236223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 236323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 236423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 236523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 236623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 236723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2368ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2369ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2370ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2371ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2372ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2373ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2374ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2375ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2376ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2377ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2378ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2379ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2380ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 23817c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 238289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 238389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 238489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 238589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 238689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 238789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 238889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 238985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2390877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 239189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2392377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2393b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 239489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 23958edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 23965a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 239789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 23989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 239989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 240089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 240189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 240289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 240389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24042812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 24052812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24062812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 24072812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 24082812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24092812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24102812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 24112812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24122812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 24132812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24142812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 24169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 24189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 24199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2421296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2422296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2423296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2424296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2425296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2426296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2427296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2428296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2429296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2430296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2431296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2432296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2433296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2434296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2435296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2436296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2437296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2438296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2439296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2440296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2441296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2442296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2443296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2444296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2445296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2446296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2447296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2448296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2449296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2450296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2451296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2452296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2453296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2454296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2455296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2456296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2457296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2458296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2459296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2460296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2461296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2462296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 24639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 24649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24657c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 24669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 24689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 24699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 24709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 24719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 24729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 247489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 247589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 247689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2477598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2478598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 24793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 24803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 24813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 24823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 248389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 248489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 248589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 248689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 248789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 24893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 24903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 24913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 24923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 24933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 24943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2495598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2496598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2497598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2498598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 24995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 25005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 25015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 25025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 25035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 25045a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 25059d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 25065a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 25075a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 25083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 25097985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 25107985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 25117985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 25127c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 25139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 25149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 25159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 25175a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 25189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 25209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 25215a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 25223c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 25233c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 25245a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 25259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 252634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 25275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 25289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2529ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 253089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 253189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 25333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 25353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2536598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 25373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 25403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 25423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 25433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 25463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2548598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 25499d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 25503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 25519d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 25523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 25533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 25543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25563c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 25573c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 25583c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 2559a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 2560a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 2561a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 25623c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 2563a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 2564a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 2565a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 2566a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 2567a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 25683c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 25693c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 25703c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 25715a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 25725a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 25735a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 25745a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 25755a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 25765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 25775a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 257840bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2579