FastMixer.cpp revision e4a7ce250cb94a00aa2f76e5edca1c4479dc5401
197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten/* 297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * Copyright (C) 2012 The Android Open Source Project 397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * 497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * you may not use this file except in compliance with the License. 697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * You may obtain a copy of the License at 797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * 897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * 1097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * Unless required by applicable law or agreed to in writing, software 1197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 1297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * See the License for the specific language governing permissions and 1497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten * limitations under the License. 1597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten */ 1697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 17a3d2628a22f2b3d682495044897a40ea1399a662Glenn Kasten// <IMPORTANT_WARNING> 18a3d2628a22f2b3d682495044897a40ea1399a662Glenn Kasten// Design rules for threadLoop() are given in the comments at section "Fast mixer thread" of 19a3d2628a22f2b3d682495044897a40ea1399a662Glenn Kasten// StateQueue.h. In particular, avoid library and system calls except at well-known points. 20a3d2628a22f2b3d682495044897a40ea1399a662Glenn Kasten// The design rules are only for threadLoop(), and don't apply to FastMixerDumpState methods. 21a3d2628a22f2b3d682495044897a40ea1399a662Glenn Kasten// </IMPORTANT_WARNING> 22a3d2628a22f2b3d682495044897a40ea1399a662Glenn Kasten 2397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#define LOG_TAG "FastMixer" 247f5d335f7b4caecd0dfb8f1085f352f1d2da5d2eGlenn Kasten//#define LOG_NDEBUG 0 2597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 26b3a8364eeea621ef63b983e4c1b0771f62069fe0Alex Ray#define ATRACE_TAG ATRACE_TAG_AUDIO 27371eb9756c32109ea572b91216b19bb623f6d3fdAlex Ray 28153b9fe667e6e78e0218ff0159353097428c7657Glenn Kasten#include "Configuration.h" 2997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include <time.h> 30ad8510a339ffab330c2c46e5c247dd1cf9e15c22Glenn Kasten#include <utils/Debug.h> 3197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include <utils/Log.h> 32d8e6fd35ec2b59ee7d873daf1f1d9d348221c7bcGlenn Kasten#include <utils/Trace.h> 3397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include <system/audio.h> 34214b406c813e5baca3e4b5cdc1d986de35f09bbbGlenn Kasten#ifdef FAST_THREAD_STATISTICS 3597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include <cpustats/CentralTendencyStatistics.h> 360a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#ifdef CPU_FREQUENCY_STATISTICS 3742d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten#include <cpustats/ThreadCpuUsage.h> 3897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#endif 390a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#endif 401258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung#include <audio_utils/format.h> 4197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include "AudioMixer.h" 4297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include "FastMixer.h" 4397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 447fc97ba08e2850f3f16db704b78ce78e3dbe1ff0Glenn Kasten#define FCC_2 2 // fixed channel count assumption 457fc97ba08e2850f3f16db704b78ce78e3dbe1ff0Glenn Kasten 4697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kastennamespace android { 4797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 48e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten/*static*/ const FastMixerState FastMixer::sInitial; 492234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 502234002b0710c8db73f82d397cb945cd541c6bbbGlenn KastenFastMixer::FastMixer() : FastThread(), 51e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mSlopNs(0), 52e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten // mFastTrackNames 53e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten // mGenerations 54e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOutputSink(NULL), 55e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOutputSinkGen(0), 56e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer(NULL), 571258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung mSinkBuffer(NULL), 581258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung mSinkBufferSize(0), 599a59276fb465e492138e0576523b54079671e8f4Andy Hung mSinkChannelCount(FCC_2), 6045d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung mMixerBuffer(NULL), 611258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung mMixerBufferSize(0), 621258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung mMixerBufferFormat(AUDIO_FORMAT_PCM_16_BIT), 6345d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung mMixerBufferState(UNDEFINED), 64e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFormat(Format_Invalid), 65e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mSampleRate(0), 66e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFastTracksGen(0), 67e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mTotalNativeFramesWritten(0), 682234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // timestamp 69e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mNativeFramesWrittenButNotPresented(0) // the = 0 is to silence the compiler 7097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten{ 71e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten // FIXME pass sInitial as parameter to base class constructor, and make it static local 72e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mPrevious = &sInitial; 73e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mCurrent = &sInitial; 742234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 75e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mDummyDumpState = &mDummyFastMixerDumpState; 769a59276fb465e492138e0576523b54079671e8f4Andy Hung // TODO: Add channel mask to NBAIO_Format. 779a59276fb465e492138e0576523b54079671e8f4Andy Hung // We assume that the channel mask must be a valid positional channel mask. 789a59276fb465e492138e0576523b54079671e8f4Andy Hung mSinkChannelMask = audio_channel_out_mask_from_count(mSinkChannelCount); 792234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 8097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten unsigned i; 8197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten for (i = 0; i < FastMixerState::kMaxFastTracks; ++i) { 82e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFastTrackNames[i] = -1; 83e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mGenerations[i] = 0; 8497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 85214b406c813e5baca3e4b5cdc1d986de35f09bbbGlenn Kasten#ifdef FAST_THREAD_STATISTICS 86e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOldLoad.tv_sec = 0; 87e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOldLoad.tv_nsec = 0; 880a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#endif 892234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 9097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 912234002b0710c8db73f82d397cb945cd541c6bbbGlenn KastenFastMixer::~FastMixer() 922234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 932234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 9497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 952234002b0710c8db73f82d397cb945cd541c6bbbGlenn KastenFastMixerStateQueue* FastMixer::sq() 962234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 972234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return &mSQ; 982234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 9997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 1002234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenconst FastThreadState *FastMixer::poll() 1012234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 1022234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return mSQ.poll(); 1032234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 10497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 1052234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::setLog(NBLog::Writer *logWriter) 1062234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 107e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mMixer != NULL) { 108e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setLog(logWriter); 1092234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1102234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 11197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 1122234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onIdle() 1132234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 114e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mPreIdle = *(const FastMixerState *)mCurrent; 115e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mCurrent = &mPreIdle; 1162234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 11797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 1182234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onExit() 1192234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 120e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten delete mMixer; 1211258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung free(mMixerBuffer); 1221258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung free(mSinkBuffer); 1232234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 1242234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1252234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenbool FastMixer::isSubClassCommand(FastThreadState::Command command) 1262234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 1272234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten switch ((FastMixerState::Command) command) { 1282234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten case FastMixerState::MIX: 1292234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten case FastMixerState::WRITE: 1302234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten case FastMixerState::MIX_WRITE: 1312234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return true; 1322234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten default: 1332234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return false; 1342234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1352234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 1362234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1372234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onStateChange() 1382234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 139e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten const FastMixerState * const current = (const FastMixerState *) this->mCurrent; 140e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten const FastMixerState * const previous = (const FastMixerState *) this->mPrevious; 141e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten FastMixerDumpState * const dumpState = (FastMixerDumpState *) this->mDumpState; 1422234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const size_t frameCount = current->mFrameCount; 1432234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1442234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // handle state change here, but since we want to diff the state, 145e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten // we're prepared for previous == &sInitial the first time through 1462234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned previousTrackMask; 1472234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1482234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // check for change in output HAL configuration 149e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten NBAIO_Format previousFormat = mFormat; 150e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (current->mOutputSinkGen != mOutputSinkGen) { 151e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOutputSink = current->mOutputSink; 152e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOutputSinkGen = current->mOutputSinkGen; 153e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mOutputSink == NULL) { 154e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFormat = Format_Invalid; 155e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mSampleRate = 0; 1569a59276fb465e492138e0576523b54079671e8f4Andy Hung mSinkChannelCount = 0; 1579a59276fb465e492138e0576523b54079671e8f4Andy Hung mSinkChannelMask = AUDIO_CHANNEL_NONE; 1582234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 159e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFormat = mOutputSink->format(); 160e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mSampleRate = Format_sampleRate(mFormat); 161e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mSinkChannelCount = Format_channelCount(mFormat); 1629a59276fb465e492138e0576523b54079671e8f4Andy Hung LOG_ALWAYS_FATAL_IF(mSinkChannelCount > AudioMixer::MAX_NUM_CHANNELS); 1639a59276fb465e492138e0576523b54079671e8f4Andy Hung 1649a59276fb465e492138e0576523b54079671e8f4Andy Hung // TODO: Add channel mask to NBAIO_Format 1659a59276fb465e492138e0576523b54079671e8f4Andy Hung // We assume that the channel mask must be a valid positional channel mask. 1669a59276fb465e492138e0576523b54079671e8f4Andy Hung mSinkChannelMask = audio_channel_out_mask_from_count(mSinkChannelCount); 1672234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 168e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten dumpState->mSampleRate = mSampleRate; 1692234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1702234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 171e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if ((!Format_isEqual(mFormat, previousFormat)) || (frameCount != previous->mFrameCount)) { 1722234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME to avoid priority inversion, don't delete here 173e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten delete mMixer; 174e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer = NULL; 1751258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung free(mMixerBuffer); 17645d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung mMixerBuffer = NULL; 1771258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung free(mSinkBuffer); 1781258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung mSinkBuffer = NULL; 179e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (frameCount > 0 && mSampleRate > 0) { 1802234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME new may block for unbounded time at internal mutex of the heap 1812234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // implementation; it would be better to have normal mixer allocate for us 1822234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // to avoid blocking here and to prevent possible priority inversion 183e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer = new AudioMixer(frameCount, mSampleRate, FastMixerState::kMaxFastTracks); 1849a59276fb465e492138e0576523b54079671e8f4Andy Hung const size_t mixerFrameSize = mSinkChannelCount 1859a59276fb465e492138e0576523b54079671e8f4Andy Hung * audio_bytes_per_sample(mMixerBufferFormat); 1861258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung mMixerBufferSize = mixerFrameSize * frameCount; 1871258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung (void)posix_memalign(&mMixerBuffer, 32, mMixerBufferSize); 1889a59276fb465e492138e0576523b54079671e8f4Andy Hung const size_t sinkFrameSize = mSinkChannelCount 189e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten * audio_bytes_per_sample(mFormat.mFormat); 1901258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung if (sinkFrameSize > mixerFrameSize) { // need a sink buffer 1911258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung mSinkBufferSize = sinkFrameSize * frameCount; 1921258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung (void)posix_memalign(&mSinkBuffer, 32, mSinkBufferSize); 1931258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung } 194e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mPeriodNs = (frameCount * 1000000000LL) / mSampleRate; // 1.00 195e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mUnderrunNs = (frameCount * 1750000000LL) / mSampleRate; // 1.75 196e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOverrunNs = (frameCount * 500000000LL) / mSampleRate; // 0.50 197e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mForceNs = (frameCount * 950000000LL) / mSampleRate; // 0.95 198e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mWarmupNsMin = (frameCount * 750000000LL) / mSampleRate; // 0.75 199e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mWarmupNsMax = (frameCount * 1250000000LL) / mSampleRate; // 1.25 2002234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 201e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mPeriodNs = 0; 202e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mUnderrunNs = 0; 203e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mOverrunNs = 0; 204e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mForceNs = 0; 205e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mWarmupNsMin = 0; 206e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mWarmupNsMax = LONG_MAX; 2072234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 20845d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung mMixerBufferState = UNDEFINED; 20997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#if !LOG_NDEBUG 2102234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten for (unsigned i = 0; i < FastMixerState::kMaxFastTracks; ++i) { 211e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFastTrackNames[i] = -1; 2122234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 21397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#endif 2142234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // we need to reconfigure all active tracks 2152234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten previousTrackMask = 0; 216e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFastTracksGen = current->mFastTracksGen - 1; 2172234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mFrameCount = frameCount; 2182234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 2192234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten previousTrackMask = previous->mTrackMask; 2202234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 22197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 2222234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // check for change in active track set 2232234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const unsigned currentTrackMask = current->mTrackMask; 2242234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mTrackMask = currentTrackMask; 225e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (current->mFastTracksGen != mFastTracksGen) { 22645d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung ALOG_ASSERT(mMixerBuffer != NULL); 2272234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int name; 2282234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 2292234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // process removed tracks first to avoid running out of track names 2302234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned removedTracks = previousTrackMask & ~currentTrackMask; 2312234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (removedTracks != 0) { 2322234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(removedTracks); 2332234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten removedTracks &= ~(1 << i); 2342234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 2352234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(fastTrack->mBufferProvider == NULL); 236e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mMixer != NULL) { 237e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten name = mFastTrackNames[i]; 2382234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 239e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->deleteTrackName(name); 2402234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 24197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#if !LOG_NDEBUG 242e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFastTrackNames[i] = -1; 24397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#endif 2442234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // don't reset track dump state, since other side is ignoring it 245e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mGenerations[i] = fastTrack->mGeneration; 2462234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 24797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 2482234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // now process added tracks 2492234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned addedTracks = currentTrackMask & ~previousTrackMask; 2502234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (addedTracks != 0) { 2512234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(addedTracks); 2522234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten addedTracks &= ~(1 << i); 2532234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 2542234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioBufferProvider *bufferProvider = fastTrack->mBufferProvider; 255e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten ALOG_ASSERT(bufferProvider != NULL && mFastTrackNames[i] == -1); 256e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mMixer != NULL) { 257e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten name = mMixer->getTrackName(fastTrack->mChannelMask, 258e8a1ced4da17dc6c07803dc2af8060f62a8389c1Andy Hung fastTrack->mFormat, AUDIO_SESSION_OUTPUT_MIX); 2592234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 260e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFastTrackNames[i] = name; 261e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setBufferProvider(name, bufferProvider); 262e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::MAIN_BUFFER, 2639a59276fb465e492138e0576523b54079671e8f4Andy Hung (void *)mMixerBuffer); 2642234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // newly allocated track names default to full scale volume 265e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter( 2661258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung name, 2671258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung AudioMixer::TRACK, 2681258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung AudioMixer::MIXER_FORMAT, (void *)mMixerBufferFormat); 269e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::FORMAT, 270ef7c7fbd0e3fb36af14cd7d39f64c949031516a5Andy Hung (void *)(uintptr_t)fastTrack->mFormat); 271e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::CHANNEL_MASK, 2729a59276fb465e492138e0576523b54079671e8f4Andy Hung (void *)(uintptr_t)fastTrack->mChannelMask); 273e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::MIXER_CHANNEL_MASK, 2749a59276fb465e492138e0576523b54079671e8f4Andy Hung (void *)(uintptr_t)mSinkChannelMask); 275e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->enable(name); 2762234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 277e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mGenerations[i] = fastTrack->mGeneration; 2782234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 27997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 2802234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // finally process (potentially) modified tracks; these use the same slot 2812234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // but may have a different buffer provider or volume provider 2822234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned modifiedTracks = currentTrackMask & previousTrackMask; 2832234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (modifiedTracks != 0) { 2842234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(modifiedTracks); 2852234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten modifiedTracks &= ~(1 << i); 2862234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 287e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (fastTrack->mGeneration != mGenerations[i]) { 2882234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // this track was actually modified 2892234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioBufferProvider *bufferProvider = fastTrack->mBufferProvider; 2902234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(bufferProvider != NULL); 291e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mMixer != NULL) { 292e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten name = mFastTrackNames[i]; 2932234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 294e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setBufferProvider(name, bufferProvider); 2952234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (fastTrack->mVolumeProvider == NULL) { 2966be494077f8d7970f3a88129c5d139c5a0c88f6dAndy Hung float f = AudioMixer::UNITY_GAIN_FLOAT; 297e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME0, &f); 298e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME1, &f); 29997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 300e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::RESAMPLE, 3012234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioMixer::REMOVE, NULL); 302e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter( 3031258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung name, 3041258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung AudioMixer::TRACK, 3051258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung AudioMixer::MIXER_FORMAT, (void *)mMixerBufferFormat); 306e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::FORMAT, 307ef7c7fbd0e3fb36af14cd7d39f64c949031516a5Andy Hung (void *)(uintptr_t)fastTrack->mFormat); 308e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::CHANNEL_MASK, 3099a59276fb465e492138e0576523b54079671e8f4Andy Hung (void *)(uintptr_t)fastTrack->mChannelMask); 310e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::MIXER_CHANNEL_MASK, 3119a59276fb465e492138e0576523b54079671e8f4Andy Hung (void *)(uintptr_t)mSinkChannelMask); 3122234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // already enabled 31397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 314e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mGenerations[i] = fastTrack->mGeneration; 31597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 31697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 31797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 318e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mFastTracksGen = current->mFastTracksGen; 319732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten 3202234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mNumTracks = popcount(currentTrackMask); 3212234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3222234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 3232c3b2da3049627264b7c6b449a1622f002210f03John Grossman 3242234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onWork() 3252234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 326e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten const FastMixerState * const current = (const FastMixerState *) this->mCurrent; 327e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten FastMixerDumpState * const dumpState = (FastMixerDumpState *) this->mDumpState; 328e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten const FastMixerState::Command command = this->mCommand; 3292234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const size_t frameCount = current->mFrameCount; 3302234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 331e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if ((command & FastMixerState::MIX) && (mMixer != NULL) && mIsWarm) { 332ef7c7fbd0e3fb36af14cd7d39f64c949031516a5Andy Hung ALOG_ASSERT(mMixerBuffer != NULL); 3332234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // for each track, update volume and check for underrun 3342234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned currentTrackMask = current->mTrackMask; 3352234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (currentTrackMask != 0) { 3362234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(currentTrackMask); 3372234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten currentTrackMask &= ~(1 << i); 3382234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 3392234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 3402234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // Refresh the per-track timestamp 341e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mTimestampStatus == NO_ERROR) { 3422234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten uint32_t trackFramesWrittenButNotPresented = 343e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mNativeFramesWrittenButNotPresented; 3442234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten uint32_t trackFramesWritten = fastTrack->mBufferProvider->framesReleased(); 3452234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // Can't provide an AudioTimestamp before first frame presented, 3462234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // or during the brief 32-bit wraparound window 3472234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (trackFramesWritten >= trackFramesWrittenButNotPresented) { 3482234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioTimestamp perTrackTimestamp; 3492234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten perTrackTimestamp.mPosition = 3502234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten trackFramesWritten - trackFramesWrittenButNotPresented; 351e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten perTrackTimestamp.mTime = mTimestamp.mTime; 3522234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTrack->mBufferProvider->onTimestamp(perTrackTimestamp); 3532234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3546e2ebe97f2ad0a21907f20f9ee644c4eacbb7a40Glenn Kasten } 3552c3b2da3049627264b7c6b449a1622f002210f03John Grossman 356e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten int name = mFastTrackNames[i]; 3572234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 3582234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (fastTrack->mVolumeProvider != NULL) { 359c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten gain_minifloat_packed_t vlr = fastTrack->mVolumeProvider->getVolumeLR(); 3606be494077f8d7970f3a88129c5d139c5a0c88f6dAndy Hung float vlf = float_from_gain(gain_minifloat_unpack_left(vlr)); 3616be494077f8d7970f3a88129c5d139c5a0c88f6dAndy Hung float vrf = float_from_gain(gain_minifloat_unpack_right(vlr)); 3626be494077f8d7970f3a88129c5d139c5a0c88f6dAndy Hung 363e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME0, &vlf); 364e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME1, &vrf); 365fbae5dae5187aca9d974cbe15ec818e9c6f56705Glenn Kasten } 3662234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME The current implementation of framesReady() for fast tracks 3672234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // takes a tryLock, which can block 3682234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // up to 1 ms. If enough active tracks all blocked in sequence, this would result 3692234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // in the overall fast mix cycle being delayed. Should use a non-blocking FIFO. 3702234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten size_t framesReady = fastTrack->mBufferProvider->framesReady(); 3712234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (ATRACE_ENABLED()) { 3722234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // I wish we had formatted trace names 3732234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten char traceName[16]; 3742234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten strcpy(traceName, "fRdy"); 3752234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten traceName[4] = i + (i < 10 ? '0' : 'A' - 10); 3762234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten traceName[5] = '\0'; 3772234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ATRACE_INT(traceName, framesReady); 37897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 3792234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten FastTrackDump *ftDump = &dumpState->mTracks[i]; 3802234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten FastTrackUnderruns underruns = ftDump->mUnderruns; 3812234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (framesReady < frameCount) { 3822234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (framesReady == 0) { 3832234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mEmpty++; 3842234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mMostRecent = UNDERRUN_EMPTY; 385e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->disable(name); 386732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten } else { 3872234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // allow mixing partial buffer 3882234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mPartial++; 3892234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mMostRecent = UNDERRUN_PARTIAL; 390e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->enable(name); 391732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten } 3922234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 3932234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mFull++; 3942234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mMostRecent = UNDERRUN_FULL; 395e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->enable(name); 396732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten } 3972234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ftDump->mUnderruns = underruns; 3982234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ftDump->mFramesReady = framesReady; 39997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 40097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 4012234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int64_t pts; 402e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mOutputSink == NULL || (OK != mOutputSink->getNextWriteTimestamp(&pts))) { 4032234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten pts = AudioBufferProvider::kInvalidPTS; 4042234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 4052234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 4062234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // process() is CPU-bound 407e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mMixer->process(pts); 40845d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung mMixerBufferState = MIXED; 40945d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung } else if (mMixerBufferState == MIXED) { 41045d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung mMixerBufferState = UNDEFINED; 4112234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 4122234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten //bool didFullWrite = false; // dumpsys could display a count of partial writes 413e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if ((command & FastMixerState::WRITE) && (mOutputSink != NULL) && (mMixerBuffer != NULL)) { 41445d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung if (mMixerBufferState == UNDEFINED) { 4151258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung memset(mMixerBuffer, 0, mMixerBufferSize); 41645d68d366d07b10733c1e8af6a6984befbc08ce1Andy Hung mMixerBufferState = ZEROED; 4172234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 4181258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung void *buffer = mSinkBuffer != NULL ? mSinkBuffer : mMixerBuffer; 419e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mFormat.mFormat != mMixerBufferFormat) { // sink format not the same as mixer format 420e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten memcpy_by_audio_format(buffer, mFormat.mFormat, mMixerBuffer, mMixerBufferFormat, 421e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten frameCount * Format_channelCount(mFormat)); 4221258c1ab592a899fabb1e31eb5db2ef413b6f38aAndy Hung } 4232234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // if non-NULL, then duplicate write() to this non-blocking sink 4242234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten NBAIO_Sink* teeSink; 4252234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if ((teeSink = current->mTeeSink) != NULL) { 426329f6511ee4e03a4605c70bbda8d3a96d2544884Glenn Kasten (void) teeSink->write(buffer, frameCount); 4272234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 4282234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME write() is non-blocking and lock-free for a properly implemented NBAIO sink, 4292234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // but this code should be modified to handle both non-blocking and blocking sinks 4302234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mWriteSequence++; 4312234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ATRACE_BEGIN("write"); 432e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten ssize_t framesWritten = mOutputSink->write(buffer, frameCount); 4332234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ATRACE_END(); 4342234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mWriteSequence++; 4352234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (framesWritten >= 0) { 4362234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT((size_t) framesWritten <= frameCount); 437e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mTotalNativeFramesWritten += framesWritten; 438e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten dumpState->mFramesWritten = mTotalNativeFramesWritten; 4392234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten //if ((size_t) framesWritten == frameCount) { 4402234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // didFullWrite = true; 4412234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten //} 4422234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 4432234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mWriteErrors++; 4442234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 445e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mAttemptedWrite = true; 4462234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME count # of writes blocked excessively, CPU usage, etc. for dump 4472234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 448e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mTimestampStatus = mOutputSink->getTimestamp(mTimestamp); 449e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (mTimestampStatus == NO_ERROR) { 450e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten uint32_t totalNativeFramesPresented = mTimestamp.mPosition; 451e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten if (totalNativeFramesPresented <= mTotalNativeFramesWritten) { 452e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mNativeFramesWrittenButNotPresented = 453e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mTotalNativeFramesWritten - totalNativeFramesPresented; 45497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } else { 4552234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // HAL reported that more frames were presented than were written 456e4a7ce250cb94a00aa2f76e5edca1c4479dc5401Glenn Kasten mTimestampStatus = INVALID_OPERATION; 45797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 45897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 4592234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 46097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten} 46197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 46297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten} // namespace android 463