AudioTrack.cpp revision d7bd69e4d1e74f25413721804d5290c53ea87f2b
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 mIsTimed(false), 1674ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1687064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 169aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 170aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 172faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 173faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 174faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 175faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 179fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 181e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 18228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 183bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1840ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 187838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 189ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 190462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 191d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 192d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 193faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 194faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 195879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1964ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1974ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1987064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 199aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 200aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2020d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 203a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 204462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 205faeb0f291330134dc4468359a36e099aae508449Ronghua Wu offloadInfo, uid, pid, pAttributes, doNotReconnect); 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 208c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 209fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 211e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 2140ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 217838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 2189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 219ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 220462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 221d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 222d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 223faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 224faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 225879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 2264ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 2274ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 2287064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 229aa9811945f575614b3482d09e4d969792701cebbPaul McLean mPausedPosition(0), 230aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE) 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 2320d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 23317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 234d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 235faeb0f291330134dc4468359a36e099aae508449Ronghua Wu uid, pid, pAttributes, doNotReconnect); 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 246b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 2473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 251296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent // No lock here: worst case we remove a NULL callback which will be a nop 252296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 253296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 254296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 255f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 25653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2573bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2583bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 2604c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGV("~AudioTrack, releasing session id %d from %d on behalf of %d", 2614c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, IPCThreadState::self()->getCallingPid(), mClientPid); 262d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 267fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 269e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 27028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 271bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2720ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 275838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 277be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 279ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 280462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 281d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 282faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 283faeb0f291330134dc4468359a36e099aae508449Ronghua Wu const audio_attributes_t* pAttributes, 284faeb0f291330134dc4468359a36e099aae508449Ronghua Wu bool doNotReconnect) 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 286bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 2874c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d, uid %d, pid %d", 288bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 2894c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten sessionId, transferType, uid, pid); 29086f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 324dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 326faeb0f291330134dc4468359a36e099aae508449Ronghua Wu mDoNotReconnect = doNotReconnect; 3279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 32885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 32985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 3321a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 33353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 3341dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 33529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 340e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 341fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 343faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 344223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 345faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 346faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 347faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 348faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 349e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 350faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 351faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 352faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 353faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 354faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 355e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 356c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent if ((mAttributes.flags & AUDIO_FLAG_HW_AV_SYNC) != 0) { 357c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_HW_AV_SYNC); 358c6bd5db9d9cf4bba1649b5b7ddea2d23f5de23a9Eric Laurent } 359dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 360ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 362e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 363fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 367fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 368cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 371dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 372c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3738ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3748ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3758ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3768ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 377e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 378e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 379e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3808ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 381c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 382b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 383b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 384b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 385b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 386b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 387b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3880ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3900ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 392c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 393d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 394d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 395d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 396d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 397d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 398b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 399b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 400b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 401b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 402b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 403b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 404e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 405b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 406b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 407b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 408b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 409e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 410e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 4110d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 4120d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 4130d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 4140d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 4150d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 4163a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar mOriginalSampleRate = sampleRate; 4175a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 4180d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 419b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 420b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 421b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 422b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 423b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 424b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 425b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 426b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 427b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 428b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 42966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 43066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 43105632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 432396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 433b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 434d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 436caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 437caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 438caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 439caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 440caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 441d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 442d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 443d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 444462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 445462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 446462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 447462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 448d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 449d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 450d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 451d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 452d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4532beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 454093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 4554a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 456be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 457a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 458896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 459a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 460bfd318402924414fbde4d31c9d23cc423f10b630Glenn Kasten // thread begins in paused state, and will not reference us until start() 461a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 462a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 46334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4640d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 465a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 46634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 467a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 470a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 471a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4784ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4794ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4804ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 48153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = 0; 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4832c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 486200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 487200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 489d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4931b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 494c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 495c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 504f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 505b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 507b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 5112b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 518200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 521200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5221b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 523c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 524c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5251b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 5267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 532ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 533ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 534ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 536200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 53796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 541b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 544b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 545b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 567b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 568b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 569b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 571879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 572a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 576b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 582397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 58623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 587b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 588b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 589b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 590c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 591b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 592b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5989b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6009b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6019b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6029b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 604b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 60723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 608b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 609b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6189a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6304bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6382c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6392c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6402c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6412c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 642b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 645c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 64623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 647b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 648b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6504bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 655f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 656b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 657b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 658b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 659b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 660b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6657064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6663a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 667142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6797064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6807064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6817064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6827064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6837064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 686be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 688c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 689c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 690c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 691be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 692be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 693be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 69566e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 69666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 698c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 699be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 70023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 70159fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 70259fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 703be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 706b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 708b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 709be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 710be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7112beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 712be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 713c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 714c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 715be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 716be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 717be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 720e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 721be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 722be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 723be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 724be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 725a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 727be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 729be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7323b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7345cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7355cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7365cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7375cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 7385cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (mIsTimed || isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7394ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7404ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7410d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7420d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7430d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7445cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7455cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7470d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 748573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7515a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 75226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 753d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 754d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 757e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 75826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 759e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 760573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 763a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7654ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 7663b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7674ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7706f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7716f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7726f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7736f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 774ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 775142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7766f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 777b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7786f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7796f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7806f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7816f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7826f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 783e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7863a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 7873a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 7883a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar if (mIsTimed) { 7893a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return 0; 7903a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar } 7913a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 7923a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 7933a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 7943a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 7955a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 7968edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 7978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 7985a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 7998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8008edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mIsTimed || isOffloadedOrDirect_l()) { 8028edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8038edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8048edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8058edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 80726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8085a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8095a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8105a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 8116c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8126c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8136c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8146c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 8156c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 81626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 81726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 8188edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 81926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 8205a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 8218edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8228edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8235a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8246c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 8256c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (effectiveRate > mSampleRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 8266c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 8276c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8286c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8296c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8306c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 8316c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (effectiveRate * AUDIO_RESAMPLER_UP_RATIO_MAX < mSampleRate) { 8326c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 8336c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8346c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8356c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8366c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 8376c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 8385a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 83926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 8408edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8418edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8428edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8435a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8448edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8458edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8465a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8488edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 851ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 852083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 853083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 854083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 8589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 868c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 8754ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 8764ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8774ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 8784ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 8794ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 88053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 8819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 8823c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8833c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 888fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 889ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 890d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 891d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 8952c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8973c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 8983c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 8993c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9003c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 904a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 906ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 907b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 908b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 909d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 910d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 911d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 921fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period 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); 927200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 9292b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 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::getPositionUpdatePeriod(uint32_t *updatePeriod) const 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 939ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 940b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 941b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 942d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 943d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 944d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 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::setPosition(uint32_t position) 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 954ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 955d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 956d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 9589c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9599c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9609c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 9649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 9669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 9679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 9689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 970d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9719b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 972200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9739b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 9743c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9753c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 979200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 981d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 982d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 983d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 986ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 987b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 989ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 9907064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 9917064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 9927064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 9937064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 9947064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 995142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 9961f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 9971f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 9981f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 999b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 10007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 10017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1002b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1003b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1004275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 10051f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 10061f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 10071f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1008275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1009275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1010b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1011200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 1012200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 1013b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1017377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 10189c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 10199c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 10209c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 10219c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10229c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 10239c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10249c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10259c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 10289c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 10299c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 10309c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1033ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 1034083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1035083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1036083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 10371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1040d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1041d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 10439b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 10449b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 10451b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 104653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 10479b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 104853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 104953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 105053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 105153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 105253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 105353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 105453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 10559b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1060c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 10611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1062b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 10631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1065aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1066aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1067aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1068aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1069493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1070aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1071493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1072aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1073aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1074aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1075aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1076aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1077aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1078aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1079296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1080296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1081296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1082296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1083296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1084296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1085296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1086296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1087be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1088be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10902beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 10912beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 10922beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 10932beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 10942beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1095be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1096be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1097e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1098e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1099e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1100e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1101e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1102e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1103e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1104e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1108200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 110934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 111034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 111134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1112e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1113e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 111434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 111534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1116296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1117296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1118296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1119e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1120e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1121e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1122e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1123aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1124aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 11258c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent (audio_session_t)mSessionId, &streamType, mClientUid, 1126aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1127aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1128e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1129e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 11304c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 11315bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 11324c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 113338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 113438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 113538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 113638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 113738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 113838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1139ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 11409f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1141ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 114338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1144d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 11459f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1146d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 11479f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1148ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1149b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 115038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1151ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1152ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 11539f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1154ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1155b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 115638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1157ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 11580d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 11599f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 11609f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 11610d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 11624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 11634a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 116443bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 11654a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 11664a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1167363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1168c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 11691dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 11701dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 11711dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 117243bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 11739f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung (mSampleRate == mAfSampleRate))) { 11744c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, track %u Hz, output %u Hz", 11759f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 1176093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1177363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 11784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11794a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1180ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1181b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1182b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 11830e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 11840e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 11850e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1186ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1187d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1188e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1189363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1190363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1191e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1192363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1193e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1194363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1195e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 11969f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1197d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1198b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1199b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1200b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1201363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1202abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1203abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1204abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1205abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1206b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1207abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1208b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1209b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1210a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1211e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1212e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1213e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12141d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1215a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1216363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 121738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 121838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1219e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1220e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1221e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1222e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1223e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1224e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1225abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1226e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 12278edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 12288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12298edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 12308edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 12318edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 12329f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 12335a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 12348edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 12358edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 12368edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 12378edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1238d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1239d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1240a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1241a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1242a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1243a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 12443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 12453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1246363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 12474a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 12483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 12493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 12503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 12514a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12524a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1253363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1254b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1255b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1256b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1257ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1258ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1259ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1260ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 126174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 126274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1263138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1264e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1265363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1266abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1267a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 126874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1269e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1270363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 127134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 12723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1273be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1274462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 127534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1276138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1277138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 127834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1279c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 128029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 128138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 128234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1283c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1284c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 128538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 128638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 128738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1288d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1289d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 129029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 129134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 129234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 12930cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 12940cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 12950cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 12960cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 12970cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 129853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1300f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 13019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 13029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 130334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1304d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 13053bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 13063bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 13070cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1308d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 130974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1310b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1311b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1312b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1313b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 131434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1315b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1316b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 13175f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1318a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1319363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1320e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 132134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1322a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 13233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 132434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1325093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1326363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1327e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1329363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1330b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1331b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1332b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1333b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1334363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 133538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 133638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1337b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1338b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1339ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1340ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1341ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1342ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1343ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1344ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1345ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1346ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1347ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1348ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 13490e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 13500e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 13510e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 13520e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 13530e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 13540e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 13550e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 13560e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 13570e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13580e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1359b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 136038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 136138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 13659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1369363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1370138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 137134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1372363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1373138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1374138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1375138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1376138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 137734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 137834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 13792beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 13808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1381e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 13829f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 13835f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1384b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1385093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1386093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1387b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1388b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1389093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1390e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1391d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1392d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1393d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1394e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1395363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1397abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1399abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1402e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1403e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1404e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1405e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1406e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1407e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 14085a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 14095a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 14105a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 141126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 14125a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 14135a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 14145a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 14155a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 14165a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1420f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1421e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1422296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1423296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1424296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1425296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 142634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 142738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 142838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 142938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1430e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 143138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 143238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 143338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 143438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 143534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 143634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1437b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1440551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1441551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1442551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1449551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1450551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1451551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1456df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1470b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1479e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 148589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 149189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 14941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1504b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 150689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 152689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 153389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 153589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1537abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 154389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154554a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 154689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15473f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1552abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1560e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1562200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 156996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1570c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1572df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1573df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1574df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 157589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1579720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 158089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1582d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1583d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 158489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1585ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1586ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1587ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1588ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1589ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1590ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1591ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1592ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1593ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1594ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 159699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 159799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1598377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 160489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1608720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1609720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1613d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1617ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1618abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 162289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 162589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 162789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 162889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 163089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16314ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 16324ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 16334ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16344ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16354ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 16364ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1637d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 16384ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 16394ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1641d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1642d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1643d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1644d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1646d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 16474ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 16484ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1649c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1650d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 165196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 16524ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 16534ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 165496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 16554ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16564ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16584ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 16594ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 166096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 16624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 16644ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1665d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 16664ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16674ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16684ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 16694ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16714ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 16724ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 16734ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1674df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1675df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1676df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1677d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1678df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1679df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 168096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 168196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1682df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1684df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1685df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 16864ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1687df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 16884ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16894ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16904ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 16914ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 16924ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 16934ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 16944ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16954ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16964ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 16974ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16987c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 169989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1700fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1701fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1702fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1703fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1704fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 17051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1706a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1707a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1708a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1709a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1710a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1711a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1712a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1713a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1714a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1715a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1716a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1717a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1718a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1719a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1720a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1721a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1722a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1723b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1724b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1725a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 17261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 172996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1730a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1733b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1734b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1735b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1736ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1737f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1738f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 173953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 174053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1741b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 174289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1743c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1744b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 174689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 176689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1768200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 177089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 17759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 17809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 17829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 17849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 17905a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1791a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1798b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 179996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 180153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 180253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 180353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 180453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 180553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 180653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 180753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 180853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 180953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 181053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 181153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 181253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 181353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 181453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 181553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 181653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 181753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 181853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 181953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 182053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 182153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 182253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1824abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1829a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1830a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1831a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1832b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1833a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1834a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1835a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1836a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1837b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1838b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1839b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1840b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 184196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1842b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1843b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1844b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1845b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1846b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 184796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 184896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 184996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 185096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 185196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 185296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 185396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 185496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1855c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1856b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1857b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 185896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 185996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 186096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 186196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1862b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 186396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1864b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1865b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 187053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 187253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1886b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 18889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1890b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1891ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1892b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1893b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 189489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 189589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 189989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 190089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 19059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 19082d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 19109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19112d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 19122d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung minFrames = min(minFrames, uint32_t(newPosition - position)); 191389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 191489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 19192267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 19202267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 1921a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 1922a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 1923a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 1924a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 19269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 19279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 1928a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 1929a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 1930a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 1931a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 19359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 19369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 193889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1939a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 1940a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 1941a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 1942a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 1943a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 1944a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 1945a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 19499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 19529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 19539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1956c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 19579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 19589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 19599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 196234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 19649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 196534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1966b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 19679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1968b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1969b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 19709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 197189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 19739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 197489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1976a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (mRetryOnPartialBuffer && audio_is_linear_pcm(mFormat)) { 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 1979a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 1980a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 1981a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 1982a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 1983a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 1984a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 19859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 19869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1989d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 199089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 199189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 199289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 19939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 199489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 199589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 19969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 199734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 199834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 19999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 20009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 20038555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 20048555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 20058555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 20068555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 2007a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2008a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 2009a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 2010a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 2011a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 2012a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2013a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 2014a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 2015a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 2016a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2017a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 2018a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 2019a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 2020a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2021a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 2022a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (audio_is_linear_pcm(mFormat)) { 2023a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 2024a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2025a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2026a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2027a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2028a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2029a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2030a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2031a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2032a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2033a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2034a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2035a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2036a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2037a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2038a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2039a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2040a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2041a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2042a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2043d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 204489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2045138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 20469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 20479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 20489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 20499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 20509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 20519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 20529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 205389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 205489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 205589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 20579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 20589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 20599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 20639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 20649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 20689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 20699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 20709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 20738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 20749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 20769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 207789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 20799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 20809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 20829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 208389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 208489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 20861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2087b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2088ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 20899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 20901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2091a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2092d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2093a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2094a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2095faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 20961f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 20971f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2098b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2099b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2100b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 2101200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 21024ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 21034ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 21044ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21054ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 21064ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2107200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2108200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2109a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2110200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2111200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2112ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2113cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2114a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2115d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2116d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2117d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2118d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2119d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2120d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 21214ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 21224ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21234ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 21244ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 21254ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 21264ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 21274ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 212853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 212953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 213053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 21311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2134a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 21351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 21389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 21399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2140c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 21411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 21431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 21441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 21451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2146200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 2147200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2148200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 2149200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 2150200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 2151200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 2152200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2153200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2154200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2155200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2156200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2157200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2158200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2159200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 2160200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 2161200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 2162200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 2163200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2164200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 2165200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2166200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 21678edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 21688edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 21698edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 21708edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 21718edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 21728edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21738edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 21749f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed); 21758edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 21768edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 21778edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 21788edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 21798edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2180ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2181ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2182ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 218353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2184ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2185ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2186ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2187ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 218853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 21891b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 21901b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 21911b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 21921b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 21931b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2194fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 2195fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 2196fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 2197fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 21987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 21997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 22007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 22017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 22027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 22037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 22047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 22057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 22067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 22077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 22087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 22097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 22107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 22127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 22137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 22147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2215fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 22167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2217275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 22186653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 22196653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 22206653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 22216653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 22226653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 22236653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2224275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2225275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2226200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2227200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 2228fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 22297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2230dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 22317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 22327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 22347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 22357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 22367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 22377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 22387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 22397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2242c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2243c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2244c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2245c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2246c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2247c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 22487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 22497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 22507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 22517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 22537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 22557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 22567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 22577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 22587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 22608edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 22615a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 22627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 22647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2265c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 22667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2267c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2268c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 22697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 22707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 22717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2272c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2273c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2274c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2275c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2276c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2277c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2278c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 22797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 22807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2281c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2282c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2283c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2284c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2285c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 22867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2287c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 22887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2290200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2291200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2292200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2293200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2294200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2295200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2296200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2297200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 2298200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 2299200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2300200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2301200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2302200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2303200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2304200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2305200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2306200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2307200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2308200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2309200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2310200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2311200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2312200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2313200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2314fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 23151b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23161b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 23171b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 23181b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 23191b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 23201b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#define TIME_TO_NANOS(time) ((uint64_t)time.tv_sec * 1000000000 + time.tv_nsec) 23211b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk const uint64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 23221b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk const uint64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 23231b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 23241b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 23251b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 23261b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 23271b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23281b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23291b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 23301b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 23311b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk int32_t deltaPosition = static_cast<int32_t>(timestamp.mPosition 23321b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk - mPreviousTimestamp.mPosition); 23331b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 23341b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 23354c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 23364c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 23374c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 23384c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 23394c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 23404c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 23414c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 23424c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 23434c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23444c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 23454c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 23464c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23471b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 23481b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 23491b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23501b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23511b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 23521b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 23531b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23541b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2355fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2356ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2357ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2358ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2359ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 23602c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2361142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 23622c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2363b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2364b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2365b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2366ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2367ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 236823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 236923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 237023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 237123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 237223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 237323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2374ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2375ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2376ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2377ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2378ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2379ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2380ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2381ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2382ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2383ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2384ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2385ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2386ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 23877c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 238889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 238989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 239089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 239189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 239289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 239389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 239489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 239585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2396877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 239789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2398377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2399b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 240089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24018edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 24025a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 240389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 240589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 240689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 240789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 240889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 240989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 24119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 24139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 24149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2416296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2417296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2418296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2419296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2420296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2421296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2422296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2423296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2424296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2425296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2426296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2427296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2428296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2429296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2430296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2431296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2432296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2433296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2434296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2435296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2436296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2437296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2438296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2439296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2440296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2441296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2442296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2443296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2444296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2445296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2446296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2447296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2448296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2449296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2450296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2451296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2452296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2453296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2454296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2455296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2456296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2457296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 24589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 24599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24607c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 24619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 24639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 24649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 24659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 24669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 24679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 246989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 247089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 247189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2472598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2473598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 24743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 24753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 24763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 24773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 247889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 247989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 248089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 248189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 248289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 24843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 24853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 24863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 24873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 24883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 24893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2490598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2491598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2492598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2493598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 24945a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 24955a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 24965a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 24975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 24985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 24995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 25009d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 25015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 25025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 25033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 25047985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 25057985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 25067985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 25077c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 25089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 25099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 25109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 25125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 25139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 25159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 25165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 25173c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 25183c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 25195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 25209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 252134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 25225a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 25239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2524ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 252589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 252689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 25283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 25303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2531598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 25323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 25353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 25373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 25383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 25413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2543598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 25449d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 25453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 25469d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 25473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 25483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 25493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25513c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 25523c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 25533c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 25543c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (!mPaused && mPausedInt && mPausedNs > 0) { 25553c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // audio track is active and internally paused with timeout. 25563c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 25573c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mPausedInt = false; 25583c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mMyCond.signal(); 25593c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 25603c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 25613c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 25625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 25635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 25645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 25655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 25665a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 25675a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 25685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 256940bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2570