AudioTrack.cpp revision 2812d9ea3a3a33142dd8e23c9d949c498d6f7a12
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 32897c9f4fd7bc31e2968d816402659ba1c64f10b42Eric Laurent ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %zu", 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; 4962812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = 0; 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 505f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 506b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 508b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 5122b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 5139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 519200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 522200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 5231b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 524c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 525c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mRetrogradeMotionReported = false; 5261b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 52761be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // If previousState == STATE_STOPPED, we reactivate markers (mMarkerPosition != 0) 52861be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // as the position is reset to 0. This is legacy behavior. This is not done 52961be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // in stop() to avoid a race condition where the last marker event is issued twice. 53061be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: the if is technically unnecessary because previousState == STATE_FLUSHED 53161be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // is only for streaming tracks, and mMarkerReached is already set to false. 53261be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung if (previousState == STATE_STOPPED) { 53361be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung mMarkerReached = false; 53461be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung } 53561be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 5367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 5377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 5387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 5397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 5407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 5417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 542ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 543ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 544ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 546200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 54796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 5509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 553b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 554b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 577b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 578b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 579b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 581879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 582a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 586b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 592397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 59623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 597b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 598b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 599b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 600c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 601b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 602b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 60561be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung 60661be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // Note: legacy handling - stop does not clear playback marker 60761be84167c1a11c8a030e00a2b79b2bc4fdf617fAndy Hung // and periodic update counter, but flush does for streaming tracks. 6089b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6109b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 6119b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 6129b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 614b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 61723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 618b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 619b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 6239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6289a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6404bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 6421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 6451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6482c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 6492c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 6502c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 6512c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 652b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 655c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 65623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 657b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 658b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 6604bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 665f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 667b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 668b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 669b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 670b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6757064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6763a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 677142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6897064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6907064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6917064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6927064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6937064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 696be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 698c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 699c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 700c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 701be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 702be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 703be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 70566e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 70666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 708c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 709be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 71023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 71159fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 71259fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 713be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 716b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 718b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 720be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7212beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 722be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 723c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 724c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 725be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 727be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 729be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 730e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 731be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 732be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 733be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 734be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 735a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 736be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 737be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 739be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7423b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7445cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung AutoMutex lock(mLock); 7455cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (rate == mSampleRate) { 7465cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung return NO_ERROR; 7475cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung } 7485cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung if (mIsTimed || isOffloadedOrDirect_l() || (mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 7494ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 7504ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7510d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 7520d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 7530d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 7545cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // NOTE: it is theoretically possible, but highly unlikely, that a device change 7555cbb5785a58655e21f5f7805274b8c78b986216bAndy Hung // could mean a previously allowed sampling rate is no longer allowed. 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 7570d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 758573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76026145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 7615a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(rate, mPlaybackRate.mPitch); 76226145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (rate == 0 || effectiveSampleRate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 763d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 764d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7658edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // TODO: Should we also check if the buffer size is compatible? 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 767e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 76826145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 769e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 770573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 773a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7754ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 7763b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7774ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7784ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7806f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7816f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7826f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7836f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 784ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 785142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7866f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 787b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7886f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7896f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7906f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7916f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7926f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 793e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7963a474aa67fc31505740526dd249d96204c08bf79Lajos Molnaruint32_t AudioTrack::getOriginalSampleRate() const 7973a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar{ 7983a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar if (mIsTimed) { 7993a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return 0; 8003a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar } 8013a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8023a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar return mOriginalSampleRate; 8033a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar} 8043a474aa67fc31505740526dd249d96204c08bf79Lajos Molnar 8055a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciastatus_t AudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) 8068edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8078edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8085a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia if (isAudioPlaybackRateEqual(playbackRate, mPlaybackRate)) { 8098edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8108edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8118edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mIsTimed || isOffloadedOrDirect_l()) { 8128edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8138edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8148edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 8158edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return INVALID_OPERATION; 8168edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 81726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung // pitch is emulated by adjusting speed and sampleRate 8185a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveRate = adjustSampleRate(mSampleRate, playbackRate.mPitch); 8195a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(playbackRate.mSpeed, playbackRate.mPitch); 8205a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(playbackRate.mPitch); 8216c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia AudioPlaybackRate playbackRateTemp = playbackRate; 8226c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 8236c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 8246c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 8256c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia if (!isAudioPlaybackRateValid(playbackRateTemp)) { 82626145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung return BAD_VALUE; 82726145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung } 8288edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // Check if the buffer size is compatible. 82926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung if (!isSampleRateSpeedAllowed_l(effectiveRate, effectiveSpeed)) { 8305a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed", playbackRate.mSpeed, playbackRate.mPitch); 8318edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return BAD_VALUE; 8328edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 8335a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 8346c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia // Check resampler ratios are within bounds 835e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate > (uint64_t)mSampleRate * (uint64_t)AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 8366c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate exceeds max accepted value", 8376c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8386c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8396c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8406c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia 841e34eae2de7bd6dcba5dea132dabb09f63ac46adcDan Austin if ((uint64_t)effectiveRate * (uint64_t)AUDIO_RESAMPLER_UP_RATIO_MAX < (uint64_t)mSampleRate) { 8426c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia ALOGV("setPlaybackRate(%f, %f) failed. Resample rate below min accepted value", 8436c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia playbackRate.mSpeed, playbackRate.mPitch); 8446c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia return BAD_VALUE; 8456c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia } 8466c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia mPlaybackRate = playbackRate; 8476c7f062d3149d6890daaee64828959ad6f61ea54Ricardo Garcia //set effective rates 8485a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 84926145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveRate); // FIXME: not quite "atomic" with setPlaybackRate 8508edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return NO_ERROR; 8518edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8528edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 8535a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garciaconst AudioPlaybackRate& AudioTrack::getPlaybackRate() const 8548edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 8558edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung AutoMutex lock(mLock); 8565a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia return mPlaybackRate; 8578edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 8588edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 861ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 862083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 863083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 864083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 8689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 8709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 878c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 8799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 8854ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 8864ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8874ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 8884ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 8894ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 89053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 8923c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 8933c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 898fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 899ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 900d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 901d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 9052c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9073c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9083c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9093c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9103c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 914a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 916ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 917b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 918b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 919d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 920d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 921d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 92490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mMarkerPosition.getValue(marker); 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 931fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 932ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 933d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 934d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 937200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 9392b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 9403c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung sp<AudioTrackThread> t = mAudioTrackThread; 9413c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung if (t != 0) { 9423c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung t->wake(); 9433c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 947a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 949ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 950b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 951b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 952d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 953d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 954d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 964ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 965d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 966d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 9689c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 9699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 9709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 9739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 9749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 9759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 9769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 9779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 9789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 9799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 980d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9819b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 982200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 9839b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 9843c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 9853c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Waking the AudioTrackThread is not needed as this cannot be called when active. 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 989200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 991d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 992d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 993d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 996ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 997b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 999ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 10007064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 10017064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 10027064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 10037064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 10047064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 1005142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 10061f1db8356b599bc40703c907fb69e6e539343532Andy Hung uint32_t halFrames; // actually unused 10071f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 10081f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: on getRenderPosition() error, we return OK with frame position 0. 1009b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 10107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 10117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 1012b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 1013b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1014275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 10151f1db8356b599bc40703c907fb69e6e539343532Andy Hung (void) restoreTrack_l("getPosition"); 10161f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME: for compatibility with the Java API we ignore the restoreTrack_l() 10171f1db8356b599bc40703c907fb69e6e539343532Andy Hung // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position. 1018275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1019275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1020b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 1021200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 102290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung 0 : updateAndGetPosition_l().value(); 1023b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1027377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 10289c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 10299c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 10309c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 10319c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10329c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 10339c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 10349c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 10359c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 10369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 10389c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 10399c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 10409c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1043ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 1044083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 1045083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1046083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 10471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 10499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1050d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1051d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 10529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 10539b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 10549b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 10551b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 105653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#if 0 10579b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 105853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // of loop count. Historically we have not restored loop count, start, end, 105953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // but it makes sense if one desires to repeat playing a particular sound. 106053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount != 0) { 106153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = mLoopCount; 106253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->setLoop(mLoopStart, mLoopEnd, mLoopCount); 106353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 106453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung#endif 10659b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 1070c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 10711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1072b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 10731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1075aa9811945f575614b3482d09e4d969792701cebbPaul McLeanstatus_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) { 1076aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1077aa9811945f575614b3482d09e4d969792701cebbPaul McLean if (mSelectedDeviceId != deviceId) { 1078aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSelectedDeviceId = deviceId; 1079493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent android_atomic_or(CBLK_INVALID, &mCblk->mFlags); 1080aa9811945f575614b3482d09e4d969792701cebbPaul McLean } 1081493404d8c396e15ed73455acd39aa0f1940996e2Eric Laurent return NO_ERROR; 1082aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1083aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1084aa9811945f575614b3482d09e4d969792701cebbPaul McLeanaudio_port_handle_t AudioTrack::getOutputDevice() { 1085aa9811945f575614b3482d09e4d969792701cebbPaul McLean AutoMutex lock(mLock); 1086aa9811945f575614b3482d09e4d969792701cebbPaul McLean return mSelectedDeviceId; 1087aa9811945f575614b3482d09e4d969792701cebbPaul McLean} 1088aa9811945f575614b3482d09e4d969792701cebbPaul McLean 1089296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentaudio_port_handle_t AudioTrack::getRoutedDeviceId() { 1090296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 1091296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 1092296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AUDIO_PORT_HANDLE_NONE; 1093296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1094296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return AudioSystem::getDeviceIdForIo(mOutput); 1095296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 1096296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 1097be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 1098be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11002beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 11012beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 11022beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 11032beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 11042beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 1105be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 1106be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1107e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 1108e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 1109e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 1110e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 1111e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 1112e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 1113e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 1114e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 1118200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 111934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 112034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 112134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 1122e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 1123e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 112434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 112534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1126296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0 && mOutput != AUDIO_IO_HANDLE_NONE) { 1127296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 1128296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1129e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 1130e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 1131e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 1132e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1133aa9811945f575614b3482d09e4d969792701cebbPaul McLean status_t status; 1134aa9811945f575614b3482d09e4d969792701cebbPaul McLean status = AudioSystem::getOutputForAttr(attr, &output, 11358c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent (audio_session_t)mSessionId, &streamType, mClientUid, 1136aa9811945f575614b3482d09e4d969792701cebbPaul McLean mSampleRate, mFormat, mChannelMask, 1137aa9811945f575614b3482d09e4d969792701cebbPaul McLean mFlags, mSelectedDeviceId, mOffloadInfo); 1138e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 1139e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 11404c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x," 11415bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 11424c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten mSessionId, streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 114338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 114438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 114538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 114638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 114738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 114838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1149ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 11509f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getLatency(output, &mAfLatency); 1151ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 11529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 115338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1154d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 11559f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung ALOGV("createTrack_l() output %d afLatency %u", output, mAfLatency); 1156d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 11579f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getFrameCount(output, &mAfFrameCount); 1158ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1159b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 116038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1161ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1162ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 11639f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung status = AudioSystem::getSamplingRate(output, &mAfSampleRate); 1164ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 1165b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 116638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1167ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 11680d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 11699f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mSampleRate = mAfSampleRate; 11709f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mOriginalSampleRate = mAfSampleRate; 11710d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 11724a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 11734a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 117443bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 11754a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 11764a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 1177363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 1178c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 11791dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_CALLBACK) || 11801dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten // use case 3: obtain/release mode 11811dfe2f9c2d03fc8d0ed0cdfe0b9fb894bc0bcc11Glenn Kasten (mTransfer == TRANSFER_OBTAIN)) && 118243bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 11839f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung (mSampleRate == mAfSampleRate))) { 11844c36d6f48f4eecacc148317f775f65961a4f03d2Glenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client; transfer %d, track %u Hz, output %u Hz", 11859f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mTransfer, mSampleRate, mAfSampleRate); 1186093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1187363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 11884a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11894a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1190ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1191b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1192b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 11930e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n = 2 normal track, (including those with sample rate conversion) 11940e48d25606c82def035ad10a5b3923767a765cddAndy Hung // n >= 3 very high latency or very small notification interval (unused). 11950e48d25606c82def035ad10a5b3923767a765cddAndy Hung const uint32_t nBuffering = 2; 1196ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1197d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1198e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1199363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1200363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1201e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1202363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1203e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1204363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1205e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 12069f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung frameCount = mAfFrameCount; 1207d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1208b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1209b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1210b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1211363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1212abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // FIXME: Ensure client side memory buffers need 1213abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // not have additional alignment beyond sample 1214abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // (e.g. 16 bit stereo accessed as 32 bit frame). 1215abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t alignment = audio_bytes_per_sample(mFormat); 1216b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1217abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // for AUDIO_FORMAT_PCM_24_BIT_PACKED (not exposed through Java). 1218b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1219b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1220a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1221e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1222e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1223e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 12241d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1225a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1226363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 122738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 122838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1229e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1230e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1231e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1232e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1233e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1234e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1235abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung frameCount = mSharedBuffer->size() / mFrameSize; 1236e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 12378edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // For fast tracks the frame count calculations and checks are done by server 12388edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 12398edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) == 0) { 12408edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // for normal tracks precompute the frame count based on speed. 12418edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = calculateMinFrameCount( 12429f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mAfLatency, mAfFrameCount, mAfSampleRate, mSampleRate, 12435a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mPlaybackRate.mSpeed); 12448edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (frameCount < minFrameCount) { 12458edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung frameCount = minFrameCount; 12468edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 12478edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 1248d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1249d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1250a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1251a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1252a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1253a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 12543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 12553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1256363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 12574a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 12583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 12593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 12603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 12614a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 12624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1263363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1264b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1265b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1266b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1267ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1268ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1269ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1270ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 127174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 127274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1273138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten int originalSessionId = mSessionId; 1274e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1275363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 1276abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mFormat, 1277a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 127874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1279e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1280363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 128134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 12823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1283be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1284462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 128534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 1286138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 1287138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 128834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1289c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 129029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 129138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 129234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1293c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1294c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 129538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 129638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 129738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1298d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1299d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 130029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 130134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 130234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 13030cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 13040cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 13050cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 13060cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 13070cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 130853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1310f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 131334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1314d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 13153bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 13163bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 13170cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1318d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 131974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1320b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1321b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1322b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1323b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 132434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1325b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1326b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 13275f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1328a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1329363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1330e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 133134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1332a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 13333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 133434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1335093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1336363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1337e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 13383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1339363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1340b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1341b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1342b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1343b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1344363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 134538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 134638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1347b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1348b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1349ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1350ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1351ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1352ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1353ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1354ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1355ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1356ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1357ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1358ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 13590e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Make sure that application is notified with sufficient margin before underrun 13600e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mSharedBuffer == 0 && audio_is_linear_pcm(mFormat)) { 13610e48d25606c82def035ad10a5b3923767a765cddAndy Hung // Theoretically double-buffering is not required for fast tracks, 13620e48d25606c82def035ad10a5b3923767a765cddAndy Hung // due to tighter scheduling. But in practice, to accommodate kernels with 13630e48d25606c82def035ad10a5b3923767a765cddAndy Hung // scheduling jitter, and apps with computation jitter, we use double-buffering 13640e48d25606c82def035ad10a5b3923767a765cddAndy Hung // for fast tracks just like normal streaming tracks. 13650e48d25606c82def035ad10a5b3923767a765cddAndy Hung if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount / nBuffering) { 13660e48d25606c82def035ad10a5b3923767a765cddAndy Hung mNotificationFramesAct = frameCount / nBuffering; 13670e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 13680e48d25606c82def035ad10a5b3923767a765cddAndy Hung } 1369b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 137038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 137138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1379363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1380138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten buffers = cblk + 1; 138134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1382363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 1383138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten if (buffers == NULL) { 1384138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten ALOGE("Could not get buffer pointer"); 1385138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten return NO_INIT; 1386138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten } 138734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 138834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 13892beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 13908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // FIXME doesn't take into account speed or future sample rate changes (until restoreTrack) 1391e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 13929f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung mLatency = mAfLatency + (1000*frameCount) / mSampleRate; 13935f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1394b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1395093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1396093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1397b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1398b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1399093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1400e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1401d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // reset server position to 0 as we have new cblk. 1402d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mServer = 0; 1403d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung 1404e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1405363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 1407abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1409abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSize); 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1412e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1413e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1414e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1415e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1416e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1417e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 14185a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const uint32_t effectiveSampleRate = adjustSampleRate(mSampleRate, mPlaybackRate.mPitch); 14195a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectiveSpeed = adjustSpeed(mPlaybackRate.mSpeed, mPlaybackRate.mPitch); 14205a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia const float effectivePitch = adjustPitch(mPlaybackRate.mPitch); 142126145643ce22d797b3b1675c82c47a2d8c79ecaaAndy Hung mProxy->setSampleRate(effectiveSampleRate); 14225a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia 14235a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia AudioPlaybackRate playbackRateTemp = mPlaybackRate; 14245a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mSpeed = effectiveSpeed; 14255a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia playbackRateTemp.mPitch = effectivePitch; 14265a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mProxy->setPlaybackRate(playbackRateTemp); 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1430f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1431e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1432296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 1433296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::addAudioDeviceCallback(mDeviceCallback, mOutput); 1434296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 1435296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 143634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 143738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 143838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 143938e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1440e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 144138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 144238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 144338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 144438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 144534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 144634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1447b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig) 144889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 1450551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1451551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1452551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 1459551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten if (nonContig != NULL) { 1460551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten *nonContig = 0; 1461551b5355d34aa42890811fc3606d3b63429296cdGlenn Kasten } 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1466df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1480b46f394a85d704dd05287cf9bb77cf86e3c02a38Glenn Kasten return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig); 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1489e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 149289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 149589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 150189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 15041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 151689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 153689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 154389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 154589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 1547abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung audioBuffer->size = buffer.mFrameCount * mFrameSize; 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 155489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 155554a8a456c2b4b382b3ffe3d99e40703df79c0717Glenn Kastenvoid AudioTrack::releaseBuffer(const Buffer* audioBuffer) 155689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15573f02be2ceeaa4b67dc0b1a81aebcfa049276fad8Glenn Kasten // FIXME add error checking on mode, by adding an internal version 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1562abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung size_t stepCount = audioBuffer->size / mFrameSize; 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1570e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 15711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1572200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 157996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1580c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1582df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1583df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1584df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1589720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 159089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1592d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1593d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1595ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1596ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1597ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1598ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1599ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1600ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1601ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1602ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1603ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1604ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 160699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 160799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1608377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1618720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1619720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 162289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1623d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 162489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 162589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 162689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1627ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten size_t toWrite = audioBuffer.size; 1628abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung memcpy(audioBuffer.i8, buffer, toWrite); 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 163089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 163189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 163289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 163789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16414ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 16424ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 16434ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16444ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16454ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 16464ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1647d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 16484ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 16494ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1651d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1652d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1653d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1654d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1656d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 16574ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 16584ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1659c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1660d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 166196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 16624ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 16634ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 166496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 16654ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16664ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16674ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16684ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 16694ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 167096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 16724ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 16744ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1675d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 16764ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 16774ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16784ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 16794ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 16814ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 16824ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 16834ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1684df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1685df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1686df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1687d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1688df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1689df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 169096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 169196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1692df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1694df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1695df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 16964ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1697df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 16984ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 16994ff14bae91075eb274eb1c2975982358946e7e63John Grossman 17004ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 17014ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 17024ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 17034ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 17044ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 17054ff14bae91075eb274eb1c2975982358946e7e63John Grossman 17064ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 17074ff14bae91075eb274eb1c2975982358946e7e63John Grossman 17087c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 170989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1710fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1711fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1712fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1713fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1714fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 17151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1716a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1717a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1718a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1719a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1720a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1721a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1722a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1723a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1724a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1725a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1726a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1727a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1728a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1729a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1730a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1731a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1732a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1733b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1734b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1735a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 17361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 173996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1740a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1743b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1744b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1745b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1746ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1747f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar status_t status __unused = restoreTrack_l("processAudioBuffer"); 1748f1063e2659cad01ec334a265c31734c63c319cc4Lajos Molnar // FIXME unused status 174953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // after restoration, continue below to make sure that the loop and buffer events 175053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // are notified because they have been cleared from mCblk->mFlags above. 1751b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 175289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1753c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1754b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 175689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 177589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 177689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 177890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> position(updateAndGetPosition_l()); 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 178089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 178290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> markerPosition(mMarkerPosition); 178390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // uses 32 bit wraparound for comparison with position. 178490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (!mMarkerReached && markerPosition.value() > 0 && position >= markerPosition) { 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 179090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newPosition(mNewPosition); 179190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung uint32_t updatePeriod = mUpdatePeriod; 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 179490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung newPosCount = ((position - newPosition).value() / updatePeriod) + 1; 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 17999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 18005a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia float speed = mPlaybackRate.mSpeed; 1801a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const uint32_t notificationFrames = mNotificationFramesAct; 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1808b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 180996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 181153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // Determine the number of new loop callback(s) that will be needed, while locked. 181253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCountNotifications = 0; 181353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung uint32_t loopPeriod = 0; // time in frames for next EVENT_LOOP_END or EVENT_BUFFER_END 181453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 181553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (mLoopCount > 0) { 181653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung int loopCount; 181753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition; 181853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 181953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = ((loopCount > 0) ? mLoopEnd : mFrameCount) - bufferPosition; 182053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = min(mLoopCountNotified - loopCount, kMaxLoopCountNotifications); 182153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung mLoopCountNotified = loopCount; // discard any excess notifications 182253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (mLoopCount < 0) { 182353c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // FIXME: We're not accurate with notification count and position with infinite looping 182453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung // since loopCount from server side will always return -1 (we could decrement it). 182553c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 182653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopCountNotifications = int((flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) != 0); 182753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mLoopEnd - bufferPosition; 182853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } else if (/* mLoopCount == 0 && */ mSharedBuffer != 0) { 182953c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung size_t bufferPosition = mStaticProxy->getBufferPosition(); 183053c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung loopPeriod = mFrameCount - bufferPosition; 183153c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 183253c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 1834abdb990953ffe94a9dc544aea0bed17ef7d5f484Andy Hung // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFlags 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1839a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // get anchor time to account for callbacks. 1840a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeBeforeCallbacks = systemTime(); 1841a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 1842b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1843a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: Instead of blocking in proxy->waitStreamEndDone(), Callback thread 1844a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // should wait on proxy futex and handle CBLK_STREAM_END_DONE within this function 1845a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (and make sure we don't callback for more data while we're stopping). 1846a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This helps with position, marker notifications, and track invalidation. 1847b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1848b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1849b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1850b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 185196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1852b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1853b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1854b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1855b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 185639609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung if (status != DEAD_OBJECT) { 185739609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // for DEAD_OBJECT, we do not send a EVENT_STREAM_END after stop(); 185839609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung // instead, the application should handle the EVENT_NEW_IAUDIOTRACK. 185939609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung mCbf(EVENT_STREAM_END, mUserData, NULL); 186039609a0a6d95d003b0f237e6c139b070b4df7071Andy Hung } 186196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 186296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 186396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 186496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 186596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 186696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 186796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 186896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1869c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1870b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1871b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 187296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 187396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 187496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 187596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1876b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 187796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1878b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1879b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 18839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 188453c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung while (loopCountNotifications > 0) { 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 188653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung --loopCountNotifications; 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 18909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 18939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 189590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung size_t temp = newPosition.value(); // FIXME size_t != uint32_t 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1900b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1904b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1905ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1906b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1907b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 190889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 190989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 19119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 19129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 191389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 191489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 191990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = (markerPosition - position).value(); 19209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 19222d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung // loopPeriod is already adjusted for actual position. 19239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 19249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19252d85f097d653b21d1ff2c34f0b732c674d20ccc2Andy Hung if (updatePeriod > 0) { 192690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung minFrames = min(minFrames, (newPosition - position).value()); 192789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 192889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 19309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 19319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 19329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 19332267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 19342267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 1935a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 1936a7f03353d5f172016f324e2a01f301cca6794152Andy Hung static const nsecs_t kWaitPeriodNs = WAIT_PERIOD_MS * 1000000LL; 1937a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeAfterCallbacks = systemTime(); 1938a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 19409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 19419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 1942a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = framesToNanoseconds(minFrames, sampleRate, speed) + kWaitPeriodNs; 1943a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns -= (timeAfterCallbacks - timeBeforeCallbacks); // account for callback time 1944a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // TODO: Should we warn if the callback time is too long? 1945a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0) ns = 0; 19469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 19499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 19509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 19519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 195289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1953a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // EVENT_MORE_DATA callback handling. 1954a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for linear pcm audio data formats can be derived directly from the 1955a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer fill level. 1956a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Timing for compressed data is not directly available from the buffer fill level, 1957a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // rather indirectly from waiting for blocking mode callbacks or waiting for obtain() 1958a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // to return a certain fill level. 1959a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 19609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 19619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 19629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 19639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 19649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 19659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 19669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 19679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 19689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 19699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1970c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 19719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 19729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 19739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 19749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 19759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 197634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 19779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 19789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 197934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1980b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 19819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1982b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1983b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 1984606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten // FIXME bug 25195759 1985606fbc1030d686bf1f8dc03d14a79342aca2ca41Glenn Kasten return 1000000; 198689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 19889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 198989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1991a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (mRetryOnPartialBuffer && audio_is_linear_pcm(mFormat)) { 19929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 19939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 1994a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain time 1995a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 1996a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 1997a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 1998a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns = framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 1999a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 20009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 20019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 20039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2004d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 200589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 200689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 200789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 20089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 200989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 201089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 20119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 201234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 201334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 20149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 20159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 20188555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 20198555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 20208555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 20218555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 2022a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2023a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // mCbf(EVENT_MORE_DATA, ...) might either 2024a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) Block until it can fill the buffer, returning 0 size on EOS. 2025a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (2) Block until it can fill the buffer, returning 0 data (silence) on EOS. 2026a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (3) Return 0 size when no data is available, does not wait for more data. 2027a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2028a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // (1) and (2) occurs with AudioPlayer/AwesomePlayer; (3) occurs with NuPlayer. 2029a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // We try to compute the wait time to avoid a tight sleep-wait cycle, 2030a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // especially for case (3). 2031a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // 2032a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // The decision to support (1) and (2) affect the sizing of mRemainingFrames 2033a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // and this loop; whereas for case (3) we could simply check once with the full 2034a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // buffer size and skip the loop entirely. 2035a7f03353d5f172016f324e2a01f301cca6794152Andy Hung 2036a7f03353d5f172016f324e2a01f301cca6794152Andy Hung nsecs_t myns; 2037a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (audio_is_linear_pcm(mFormat)) { 2038a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // time to wait based on buffer occupancy 2039a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t datans = mRemainingFrames <= avail ? 0 : 2040a7f03353d5f172016f324e2a01f301cca6794152Andy Hung framesToNanoseconds(mRemainingFrames - avail, sampleRate, speed); 2041a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // audio flinger thread buffer size (TODO: adjust for fast tracks) 2042a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t afns = framesToNanoseconds(mAfFrameCount, mAfSampleRate, speed); 2043a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // add a half the AudioFlinger buffer time to avoid soaking CPU if datans is 0. 2044a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = datans + (afns / 2); 2045a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } else { 2046a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // FIXME: This could ping quite a bit if the buffer isn't full. 2047a7f03353d5f172016f324e2a01f301cca6794152Andy Hung // Note that when mState is stopping we waitStreamEnd, so it never gets here. 2048a7f03353d5f172016f324e2a01f301cca6794152Andy Hung myns = kWaitPeriodNs; 2049a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2050a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns > 0) { // account for obtain and callback time 2051a7f03353d5f172016f324e2a01f301cca6794152Andy Hung const nsecs_t timeNow = systemTime(); 2052a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = max((nsecs_t)0, ns - (timeNow - timeAfterCallbacks)); 2053a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2054a7f03353d5f172016f324e2a01f301cca6794152Andy Hung if (ns < 0 /* NS_WHENEVER */ || myns < ns) { 2055a7f03353d5f172016f324e2a01f301cca6794152Andy Hung ns = myns; 2056a7f03353d5f172016f324e2a01f301cca6794152Andy Hung } 2057a7f03353d5f172016f324e2a01f301cca6794152Andy Hung return ns; 2058d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 205989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2060138d6f9b0b77d94773a8a29d3c5bdb78f38ee142Glenn Kasten size_t releasedFrames = writtenSize / mFrameSize; 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 20639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 20649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 20659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 20669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 20679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 206889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 206989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 207089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 20739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 20749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 20789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 20799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 20809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 20839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 20849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 20859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 20869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 20879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 20888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return ((double)mRemainingFrames * 1100000000) / ((double)sampleRate * speed); 20899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 20919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 209289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 20949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 20959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 20979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 209889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 209989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 21011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 2102b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 2103ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 21049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 21051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2106a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 2107d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 2108a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 2109a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 2110faeb0f291330134dc4468359a36e099aae508449Ronghua Wu if (isOffloadedOrDirect_l() || mDoNotReconnect) { 21111f1db8356b599bc40703c907fb69e6e539343532Andy Hung // FIXME re-creation of offloaded and direct tracks is not yet implemented; 21121f1db8356b599bc40703c907fb69e6e539343532Andy Hung // reconsider enabling for linear PCM encodings when position can be preserved. 2113b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 2114b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2115b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 21162812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk // Save so we can return count since creation. 21172812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk mUnderrunCountOffset = getUnderrunCount_l(); 21182812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 2119200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 21204ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 21214ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 21224ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21234ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 21244ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 2125200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 2126200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 2127a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 2128200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 2129200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 2130ae4b879d04c4b07c62241a8f507c8dce11e628e4Glenn Kasten status_t result = createTrack_l(); 2131cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 2132a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 2133d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // take the frames that will be lost by track recreation into account in saved position 2134d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // For streaming tracks, this is the amount we obtained from the user/client 2135d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung // (not the number actually consumed at the server - those are already lost). 2136d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung if (mStaticProxy == 0) { 2137d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung mPosition = mReleased; 2138d7bd69e4d1e74f25413721804d5290c53ea87f2bAndy Hung } 21394ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 21404ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 21414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 21424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 21434ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 21444ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 21454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 214653c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung if (bufferPosition == mFrameCount) { 214753c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung ALOGD("restoring track at end of static buffer"); 214853c3b5fc1afe162a8669cb3d27d6bb14e1847e39Andy Hung } 21491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 2152a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 21531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 21569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 21579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 2158c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 21591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 21601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 21611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 21621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 21631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 216490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy HungModulo<uint32_t> AudioTrack::updateAndGetPosition_l() 2165200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 2166200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 216790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung Modulo<uint32_t> newServer(mProxy->getPosition()); 216890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t delta = (newServer - mServer).signedValue(); 2169200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 2170200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 2171200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 2172200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 2173200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 2174200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 2175200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 2176200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 217790e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung ALOGE_IF(delta < 0, 217890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung "detected illegal retrograde motion by the server: mServer advanced by %d", 217990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung delta); 2180039c27aeaee809182fc1491311ca6dcbc1ec441bChad Brubaker mServer = newServer; 218190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (delta > 0) { // avoid retrograde 218290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung mPosition += delta; 218390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung } 218490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung return mPosition; 2185200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 2186200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 21878edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hungbool AudioTrack::isSampleRateSpeedAllowed_l(uint32_t sampleRate, float speed) const 21888edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung{ 21898edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung // applicable for mixing tracks only (not offloaded or direct) 21908edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung if (mStaticProxy != 0) { 21918edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return true; // static tracks do not have issues with buffer sizing. 21928edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung } 21938edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const size_t minFrameCount = 21949f9e21ed9a342e0ca945818bdc6c0c4fb3bfb9bdAndy Hung calculateMinFrameCount(mAfLatency, mAfFrameCount, mAfSampleRate, sampleRate, speed); 21958edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung ALOGV("isSampleRateSpeedAllowed_l mFrameCount %zu minFrameCount %zu", 21968edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung mFrameCount, minFrameCount); 21978edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung return mFrameCount >= minFrameCount; 21988edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung} 21998edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung 2200ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 2201ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 2202ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 220353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 2204ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2205ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 2206ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 2207ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 220853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 22091b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 22101b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk bool previousTimestampValid = mPreviousTimestampValid; 22111b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Set false here to cover all the error return cases. 22121b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = false; 22131b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2214fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 2215fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 2216fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 2217fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 22187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 22207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 22217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 22227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 22237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 22247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 22257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 22267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 22277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 22287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 22297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 22307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 22327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 22337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 22347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 2235fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 22367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 2237275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 22386653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung const status_t status = restoreTrack_l("getTimestamp"); 22396653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung if (status != OK) { 22406653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // per getTimestamp() API doc in header, we return DEAD_OBJECT here, 22416653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung // recommending that the track be recreated. 22426653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung return DEAD_OBJECT; 22436653c935d2518a713587b3887ca09aa09ebfa7fdAndy Hung } 2244275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 2245275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 2246200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 2247200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 2248fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 22497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 2250dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 22517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 22527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 22547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 22557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 22567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 22577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 22587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 22597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 2262c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // be asynchronous or return near finish or exhibit glitchy behavior. 2263c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // 2264c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // Originally this showed up as the first timestamp being a continuation of 2265c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song under gapless playback. 2266c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // However, we sometimes see zero timestamps, then a glitch of 2267c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // the previous song's position, and then correct timestamps afterwards. 22687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 22697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 22707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 22717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 22737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 22757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 22767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 22777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 22787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 22797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 22808edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung const int64_t deltaPositionByUs = (double)timestamp.mPosition * 1000000 22815a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia / ((double)mSampleRate * mPlaybackRate.mSpeed); 22827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 22837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 22847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 2285c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung // since the start time. If greater, then that means we may have failed 22867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 2287c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung ALOGW_IF(!mTimestampStartupGlitchReported, 2288c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung "getTimestamp startup glitch detected" 22897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 22907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 22917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 2292c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = true; 2293c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (previousTimestampValid 2294c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung && mPreviousTimestamp.mPosition == 0 /* should be true if valid */) { 2295c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung timestamp = mPreviousTimestamp; 2296c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mPreviousTimestampValid = true; 2297c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung return NO_ERROR; 2298c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 22997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 23007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2301c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung if (deltaPositionByUs != 0) { 2302c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, we got valid nonzero position. 2303c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } 2304c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung } else { 2305c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mStartUs = 0; // don't check again, start time expired. 23067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 2307c8e09c610fabc7390297ecb48e939acbdfe27325Andy Hung mTimestampStartupGlitchReported = false; 23087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 23097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2310200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2311200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2312200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2313200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2314200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2315200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2316200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2317200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 231890e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Note: We explicitly use non-Modulo comparison here - potential wrap issue when 231990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // mPosition exceeds 32 bits. 232090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // TODO Remove when timestamp is updated to contain pipeline status info. 232190e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int32_t pipelineDepthInFrames = (mServer - timestamp.mPosition).signedValue(); 232290e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung if (pipelineDepthInFrames > 0 /* should be true, but we check anyways */ 232390e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung && (uint32_t)pipelineDepthInFrames > mPosition.value()) { 2324200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2325200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2326200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2327200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2328200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 232990e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung // Use Modulo computation here. 233090e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung timestamp.mPosition = (mPosition - mServer + timestamp.mPosition).value(); 2331200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2332200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2333200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2334200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2335200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2336200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2337200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2338fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 23391b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23401b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Prevent retrograde motion in timestamp. 23411b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // This is sometimes caused by erratic reports of the available space in the ALSA drivers. 23421b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (status == NO_ERROR) { 23431b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (previousTimestampValid) { 234490e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung#define TIME_TO_NANOS(time) ((int64_t)time.tv_sec * 1000000000 + time.tv_nsec) 234590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t previousTimeNanos = TIME_TO_NANOS(mPreviousTimestamp.mTime); 234690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung const int64_t currentTimeNanos = TIME_TO_NANOS(timestamp.mTime); 23471b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk#undef TIME_TO_NANOS 23481b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (currentTimeNanos < previousTimeNanos) { 23491b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk ALOGW("retrograde timestamp time"); 23501b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // FIXME Consider blocking this from propagating upwards. 23511b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23521b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 23531b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // Looking at signed delta will work even when the timestamps 23541b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // are wrapping around. 235590e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung int32_t deltaPosition = (Modulo<uint32_t>(timestamp.mPosition) 235690e8a97dd5c9d391d7a2ea6a2290ed976f928379Andy Hung - mPreviousTimestamp.mPosition).signedValue(); 23571b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk // position can bobble slightly as an artifact; this hides the bobble 23581b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk static const int32_t MINIMUM_POSITION_DELTA = 8; 23594c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (deltaPosition < 0) { 23604c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk // Only report once per position instead of spamming the log. 23614c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk if (!mRetrogradeMotionReported) { 23624c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk ALOGW("retrograde timestamp position corrected, %d = %u - %u", 23634c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk deltaPosition, 23644c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk timestamp.mPosition, 23654c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mPreviousTimestamp.mPosition); 23664c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = true; 23674c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23684c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } else { 23694c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk mRetrogradeMotionReported = false; 23704c5a3675ed6b429dfaa2707acf2b3faf2808baf2Phil Burk } 23711b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk if (deltaPosition < MINIMUM_POSITION_DELTA) { 23721b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk timestamp = mPreviousTimestamp; // Use last valid timestamp. 23731b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23741b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23751b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestamp = timestamp; 23761b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk mPreviousTimestampValid = true; 23771b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk } 23781b42097f38e72574ed853a35f4e8a66e4739c421Phil Burk 2379fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2380ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2381ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2382ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2383ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 23842c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2385142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 23862c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2387b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2388b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2389b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2390ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2391ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 239223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 239323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 239423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 239523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 239623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 239723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2398ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2399ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2400ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2401ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2402ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2403ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2404ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2405ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2406ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2407ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2408ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2409ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2410ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 24117c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 241289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 241389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 241489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 241589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 241689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 241789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 241889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 241985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2420877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 242189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2422377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2423b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 242489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24258edb8dc44b8a2f81bdb5db645b6b708548771a31Andy Hung snprintf(buffer, 255, " sample rate(%u), speed(%f), status(%d)\n", 24265a8a95de6dad1a3bcf3da5a37b35766e89086e13Ricardo Garcia mSampleRate, mPlaybackRate.mSpeed, mStatus); 242789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 24289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 242989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 243089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 243189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 243289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 243389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24342812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount() const 24352812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24362812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk AutoMutex lock(mLock); 24372812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return getUnderrunCount_l(); 24382812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24392812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24402812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burkuint32_t AudioTrack::getUnderrunCount_l() const 24412812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk{ 24422812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk return mProxy->getUnderrunCount() + mUnderrunCountOffset; 24432812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk} 24442812d9ea3a3a33142dd8e23c9d949c498d6f7a12Phil Burk 24459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 24469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 24489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 24499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 24509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2451296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback) 2452296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2453296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2454296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding NULL callback!", __FUNCTION__); 2455296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2456296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2457296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2458296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback == callback) { 2459296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s adding same callback!", __FUNCTION__); 2460296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2461296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2462296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t status = NO_ERROR; 2463296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2464296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != 0) { 2465296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s callback already present!", __FUNCTION__); 2466296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2467296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2468296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status = AudioSystem::addAudioDeviceCallback(callback, mOutput); 2469296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2470296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = callback; 2471296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return status; 2472296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2473296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 2474296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurentstatus_t AudioTrack::removeAudioDeviceCallback( 2475296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent const sp<AudioSystem::AudioDeviceCallback>& callback) 2476296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent{ 2477296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (callback == 0) { 2478296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing NULL callback!", __FUNCTION__); 2479296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return BAD_VALUE; 2480296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2481296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AutoMutex lock(mLock); 2482296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mDeviceCallback != callback) { 2483296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent ALOGW("%s removing different callback!", __FUNCTION__); 2484296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return INVALID_OPERATION; 2485296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2486296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent if (mOutput != AUDIO_IO_HANDLE_NONE) { 2487296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioSystem::removeAudioDeviceCallback(mDeviceCallback, mOutput); 2488296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent } 2489296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mDeviceCallback = 0; 2490296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent return NO_ERROR; 2491296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent} 2492296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 24939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 24949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24957c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 24969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 24979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 24989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 24999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 25009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 25019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 25029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 25039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 250489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 250589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 250689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2507598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2508598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 25093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 251389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 251489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 251589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 251689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 251789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 25193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 25203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 25213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 25223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 25233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 25243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2525598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2526598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2527598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2528598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 25295a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 25305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 25315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 25325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 25335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 25345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 25359d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 25365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 25375a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 25383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 25397985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 25407985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 25417985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 25427c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 25439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 25449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 25459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 25475a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 25489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 25499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 25509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 25515a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 25523c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung // Event driven: call wake() when callback notifications conditions change. 25533c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung ns = INT64_MAX; 25545a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 25559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 255634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 25575a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 25589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2559ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 256089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 256189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 25633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 25653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2566598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 25673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 25703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 25723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 25733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 25763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 25773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2578598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 25799d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 25803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 25819d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 25823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 25833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 25843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 25853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 25863c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hungvoid AudioTrack::AudioTrackThread::wake() 25873c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung{ 25883c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung AutoMutex _l(mMyLock); 2589a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (!mPaused) { 2590a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // wake() might be called while servicing a callback - ignore the next 2591a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // pause time and call processAudioBuffer. 25923c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung mIgnoreNextPausedInt = true; 2593a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung if (mPausedInt && mPausedNs > 0) { 2594a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung // audio track is active and internally paused with timeout. 2595a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mPausedInt = false; 2596a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung mMyCond.signal(); 2597a8d0890ca969ec40fdcf1cfcbeef85c0c379cfafAndy Hung } 25983c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung } 25993c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung} 26003c09c78aabcb9d314dfb400258fb99a37c7b50c9Andy Hung 26015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 26025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 26035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 26045a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 26055a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 26065a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 26075a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 260840bc906252974d0b389ae4a147232d0c9a97193fGlenn Kasten} // namespace android 2609