FastMixer.cpp revision 87cebadd48710e42474756fc3513df678de045ce
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 <sys/atomics.h> 3097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include <time.h> 3197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include <utils/Log.h> 32d8e6fd35ec2b59ee7d873daf1f1d9d348221c7bcGlenn Kasten#include <utils/Trace.h> 3397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include <system/audio.h> 3497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#ifdef FAST_MIXER_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 4097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include "AudioMixer.h" 4197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#include "FastMixer.h" 4297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 437fc97ba08e2850f3f16db704b78ce78e3dbe1ff0Glenn Kasten#define FCC_2 2 // fixed channel count assumption 447fc97ba08e2850f3f16db704b78ce78e3dbe1ff0Glenn Kasten 4597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kastennamespace android { 4697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 472234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten/*static*/ const FastMixerState FastMixer::initial; 482234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 492234002b0710c8db73f82d397cb945cd541c6bbbGlenn KastenFastMixer::FastMixer() : FastThread(), 502234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten slopNs(0), 512234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // fastTrackNames 522234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // generations 532234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten outputSink(NULL), 542234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten outputSinkGen(0), 552234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer(NULL), 562234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBuffer(NULL), 572234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBufferState(UNDEFINED), 582234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten format(Format_Invalid), 592234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten sampleRate(0), 602234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTracksGen(0), 612234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten totalNativeFramesWritten(0), 622234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // timestamp 632234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten nativeFramesWrittenButNotPresented(0) // the = 0 is to silence the compiler 6497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten{ 652234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME pass initial as parameter to base class constructor, and make it static local 662234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten previous = &initial; 672234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten current = &initial; 682234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 692234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mDummyDumpState = &dummyDumpState; 702234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 7197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten unsigned i; 7297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten for (i = 0; i < FastMixerState::kMaxFastTracks; ++i) { 7397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten fastTrackNames[i] = -1; 7497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten generations[i] = 0; 7597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 7697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#ifdef FAST_MIXER_STATISTICS 772234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten oldLoad.tv_sec = 0; 782234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten oldLoad.tv_nsec = 0; 790a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#endif 802234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 8197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 822234002b0710c8db73f82d397cb945cd541c6bbbGlenn KastenFastMixer::~FastMixer() 832234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 842234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 8597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 862234002b0710c8db73f82d397cb945cd541c6bbbGlenn KastenFastMixerStateQueue* FastMixer::sq() 872234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 882234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return &mSQ; 892234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 9097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 912234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenconst FastThreadState *FastMixer::poll() 922234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 932234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return mSQ.poll(); 942234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 9597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 962234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::setLog(NBLog::Writer *logWriter) 972234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 982234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (mixer != NULL) { 992234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setLog(logWriter); 1002234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1012234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 10297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 1032234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onIdle() 1042234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 1052234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten preIdle = *(const FastMixerState *)current; 1062234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten current = &preIdle; 1072234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 10897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 1092234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onExit() 1102234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 1112234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten delete mixer; 1122234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten delete[] mixBuffer; 1132234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 1142234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1152234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenbool FastMixer::isSubClassCommand(FastThreadState::Command command) 1162234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 1172234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten switch ((FastMixerState::Command) command) { 1182234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten case FastMixerState::MIX: 1192234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten case FastMixerState::WRITE: 1202234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten case FastMixerState::MIX_WRITE: 1212234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return true; 1222234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten default: 1232234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten return false; 1242234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1252234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 1262234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1272234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onStateChange() 1282234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 1292234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastMixerState * const current = (const FastMixerState *) this->current; 1302234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastMixerState * const previous = (const FastMixerState *) this->previous; 1312234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten FastMixerDumpState * const dumpState = (FastMixerDumpState *) this->dumpState; 1322234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const size_t frameCount = current->mFrameCount; 1332234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1342234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // handle state change here, but since we want to diff the state, 1352234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // we're prepared for previous == &initial the first time through 1362234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned previousTrackMask; 1372234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1382234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // check for change in output HAL configuration 1392234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten NBAIO_Format previousFormat = format; 1402234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (current->mOutputSinkGen != outputSinkGen) { 1412234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten outputSink = current->mOutputSink; 1422234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten outputSinkGen = current->mOutputSinkGen; 1432234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (outputSink == NULL) { 1442234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten format = Format_Invalid; 1452234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten sampleRate = 0; 1462234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 1472234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten format = outputSink->format(); 1482234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten sampleRate = Format_sampleRate(format); 1492234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(Format_channelCount(format) == FCC_2); 1502234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1512234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mSampleRate = sampleRate; 1522234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1532234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1542234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if ((!Format_isEqual(format, previousFormat)) || (frameCount != previous->mFrameCount)) { 1552234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME to avoid priority inversion, don't delete here 1562234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten delete mixer; 1572234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer = NULL; 1582234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten delete[] mixBuffer; 1592234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBuffer = NULL; 1602234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (frameCount > 0 && sampleRate > 0) { 1612234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME new may block for unbounded time at internal mutex of the heap 1622234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // implementation; it would be better to have normal mixer allocate for us 1632234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // to avoid blocking here and to prevent possible priority inversion 1642234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer = new AudioMixer(frameCount, sampleRate, FastMixerState::kMaxFastTracks); 1652234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBuffer = new short[frameCount * FCC_2]; 1662234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten periodNs = (frameCount * 1000000000LL) / sampleRate; // 1.00 1672234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underrunNs = (frameCount * 1750000000LL) / sampleRate; // 1.75 1682234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten overrunNs = (frameCount * 500000000LL) / sampleRate; // 0.50 1692234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten forceNs = (frameCount * 950000000LL) / sampleRate; // 0.95 1702234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten warmupNs = (frameCount * 500000000LL) / sampleRate; // 0.50 1712234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 1722234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten periodNs = 0; 1732234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underrunNs = 0; 1742234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten overrunNs = 0; 1752234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten forceNs = 0; 1762234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten warmupNs = 0; 1772234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 1782234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBufferState = UNDEFINED; 17997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#if !LOG_NDEBUG 1802234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten for (unsigned i = 0; i < FastMixerState::kMaxFastTracks; ++i) { 1812234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTrackNames[i] = -1; 1822234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 18397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#endif 1842234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // we need to reconfigure all active tracks 1852234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten previousTrackMask = 0; 1862234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTracksGen = current->mFastTracksGen - 1; 1872234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mFrameCount = frameCount; 1882234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 1892234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten previousTrackMask = previous->mTrackMask; 1902234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 19197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 1922234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // check for change in active track set 1932234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const unsigned currentTrackMask = current->mTrackMask; 1942234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mTrackMask = currentTrackMask; 1952234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (current->mFastTracksGen != fastTracksGen) { 1962234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(mixBuffer != NULL); 1972234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int name; 1982234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 1992234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // process removed tracks first to avoid running out of track names 2002234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned removedTracks = previousTrackMask & ~currentTrackMask; 2012234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (removedTracks != 0) { 2022234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(removedTracks); 2032234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten removedTracks &= ~(1 << i); 2042234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 2052234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(fastTrack->mBufferProvider == NULL); 2062234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (mixer != NULL) { 2072234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten name = fastTrackNames[i]; 2082234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 2092234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->deleteTrackName(name); 2102234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 21197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#if !LOG_NDEBUG 2122234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTrackNames[i] = -1; 21397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#endif 2142234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // don't reset track dump state, since other side is ignoring it 2152234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten generations[i] = fastTrack->mGeneration; 2162234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 21797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 2182234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // now process added tracks 2192234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned addedTracks = currentTrackMask & ~previousTrackMask; 2202234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (addedTracks != 0) { 2212234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(addedTracks); 2222234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten addedTracks &= ~(1 << i); 2232234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 2242234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioBufferProvider *bufferProvider = fastTrack->mBufferProvider; 2252234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(bufferProvider != NULL && fastTrackNames[i] == -1); 2262234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (mixer != NULL) { 22768112fc4f77ab8c4a744782f78e9792afe0cbfc1Andy Hung name = mixer->getTrackName(fastTrack->mChannelMask, AUDIO_SESSION_OUTPUT_MIX); 2282234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 2292234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTrackNames[i] = name; 2302234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setBufferProvider(name, bufferProvider); 2312234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setParameter(name, AudioMixer::TRACK, AudioMixer::MAIN_BUFFER, 2322234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten (void *) mixBuffer); 2332234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // newly allocated track names default to full scale volume 2342234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->enable(name); 2352234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 2362234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten generations[i] = fastTrack->mGeneration; 2372234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 23897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 2392234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // finally process (potentially) modified tracks; these use the same slot 2402234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // but may have a different buffer provider or volume provider 2412234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned modifiedTracks = currentTrackMask & previousTrackMask; 2422234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (modifiedTracks != 0) { 2432234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(modifiedTracks); 2442234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten modifiedTracks &= ~(1 << i); 2452234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 2462234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (fastTrack->mGeneration != generations[i]) { 2472234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // this track was actually modified 2482234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioBufferProvider *bufferProvider = fastTrack->mBufferProvider; 2492234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(bufferProvider != NULL); 2502234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (mixer != NULL) { 2512234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten name = fastTrackNames[i]; 2522234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 2532234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setBufferProvider(name, bufferProvider); 2542234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (fastTrack->mVolumeProvider == NULL) { 2552234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME0, 256c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten (void *) MAX_GAIN_INT); 2572234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME1, 258c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten (void *) MAX_GAIN_INT); 25997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 2602234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setParameter(name, AudioMixer::RESAMPLE, 2612234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioMixer::REMOVE, NULL); 2622234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setParameter(name, AudioMixer::TRACK, AudioMixer::CHANNEL_MASK, 2632234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten (void *)(uintptr_t) fastTrack->mChannelMask); 2642234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // already enabled 26597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 2662234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten generations[i] = fastTrack->mGeneration; 26797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 26897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 26997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 2702234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTracksGen = current->mFastTracksGen; 271732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten 2722234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mNumTracks = popcount(currentTrackMask); 2732234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 2742234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten} 2752c3b2da3049627264b7c6b449a1622f002210f03John Grossman 2762234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kastenvoid FastMixer::onWork() 2772234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten{ 2782234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastMixerState * const current = (const FastMixerState *) this->current; 2792234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten FastMixerDumpState * const dumpState = (FastMixerDumpState *) this->dumpState; 2802234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastMixerState::Command command = this->command; 2812234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const size_t frameCount = current->mFrameCount; 2822234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 2832234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if ((command & FastMixerState::MIX) && (mixer != NULL) && isWarm) { 2842234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(mixBuffer != NULL); 2852234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // for each track, update volume and check for underrun 2862234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten unsigned currentTrackMask = current->mTrackMask; 2872234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten while (currentTrackMask != 0) { 2882234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int i = __builtin_ctz(currentTrackMask); 2892234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten currentTrackMask &= ~(1 << i); 2902234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten const FastTrack* fastTrack = ¤t->mFastTracks[i]; 2912234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 2922234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // Refresh the per-track timestamp 2932234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (timestampStatus == NO_ERROR) { 2942234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten uint32_t trackFramesWrittenButNotPresented = 2952234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten nativeFramesWrittenButNotPresented; 2962234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten uint32_t trackFramesWritten = fastTrack->mBufferProvider->framesReleased(); 2972234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // Can't provide an AudioTimestamp before first frame presented, 2982234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // or during the brief 32-bit wraparound window 2992234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (trackFramesWritten >= trackFramesWrittenButNotPresented) { 3002234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten AudioTimestamp perTrackTimestamp; 3012234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten perTrackTimestamp.mPosition = 3022234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten trackFramesWritten - trackFramesWrittenButNotPresented; 3032234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten perTrackTimestamp.mTime = timestamp.mTime; 3042234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten fastTrack->mBufferProvider->onTimestamp(perTrackTimestamp); 3052234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3066e2ebe97f2ad0a21907f20f9ee644c4eacbb7a40Glenn Kasten } 3072c3b2da3049627264b7c6b449a1622f002210f03John Grossman 3082234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int name = fastTrackNames[i]; 3092234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT(name >= 0); 3102234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (fastTrack->mVolumeProvider != NULL) { 311c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten gain_minifloat_packed_t vlr = fastTrack->mVolumeProvider->getVolumeLR(); 3122234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME0, 313c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten (void *) (uintptr_t) 314c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten (float_from_gain(gain_minifloat_unpack_left(vlr)) * MAX_GAIN_INT)); 3152234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME1, 316c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten (void *) (uintptr_t) 317c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten (float_from_gain(gain_minifloat_unpack_right(vlr)) * MAX_GAIN_INT)); 318fbae5dae5187aca9d974cbe15ec818e9c6f56705Glenn Kasten } 3192234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME The current implementation of framesReady() for fast tracks 3202234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // takes a tryLock, which can block 3212234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // up to 1 ms. If enough active tracks all blocked in sequence, this would result 3222234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // in the overall fast mix cycle being delayed. Should use a non-blocking FIFO. 3232234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten size_t framesReady = fastTrack->mBufferProvider->framesReady(); 3242234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (ATRACE_ENABLED()) { 3252234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // I wish we had formatted trace names 3262234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten char traceName[16]; 3272234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten strcpy(traceName, "fRdy"); 3282234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten traceName[4] = i + (i < 10 ? '0' : 'A' - 10); 3292234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten traceName[5] = '\0'; 3302234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ATRACE_INT(traceName, framesReady); 33197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 3322234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten FastTrackDump *ftDump = &dumpState->mTracks[i]; 3332234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten FastTrackUnderruns underruns = ftDump->mUnderruns; 3342234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (framesReady < frameCount) { 3352234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (framesReady == 0) { 3362234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mEmpty++; 3372234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mMostRecent = UNDERRUN_EMPTY; 3382234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->disable(name); 339732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten } else { 3402234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // allow mixing partial buffer 3412234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mPartial++; 3422234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mMostRecent = UNDERRUN_PARTIAL; 3432234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->enable(name); 344732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten } 3452234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 3462234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mFull++; 3472234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten underruns.mBitFields.mMostRecent = UNDERRUN_FULL; 3482234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->enable(name); 349732845c7e8d294bb1aaa4cd9687da62b51f1f6e6Glenn Kasten } 3502234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ftDump->mUnderruns = underruns; 3512234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ftDump->mFramesReady = framesReady; 35297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 35397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 3542234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten int64_t pts; 3552234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (outputSink == NULL || (OK != outputSink->getNextWriteTimestamp(&pts))) { 3562234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten pts = AudioBufferProvider::kInvalidPTS; 3572234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3582234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 3592234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // process() is CPU-bound 3602234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixer->process(pts); 3612234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBufferState = MIXED; 3622234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else if (mixBufferState == MIXED) { 3632234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBufferState = UNDEFINED; 3642234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3652234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten //bool didFullWrite = false; // dumpsys could display a count of partial writes 3662234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if ((command & FastMixerState::WRITE) && (outputSink != NULL) && (mixBuffer != NULL)) { 3672234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (mixBufferState == UNDEFINED) { 3682234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten memset(mixBuffer, 0, frameCount * FCC_2 * sizeof(short)); 3692234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mixBufferState = ZEROED; 3702234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3712234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // if non-NULL, then duplicate write() to this non-blocking sink 3722234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten NBAIO_Sink* teeSink; 3732234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if ((teeSink = current->mTeeSink) != NULL) { 3742234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten (void) teeSink->write(mixBuffer, frameCount); 3752234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3762234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME write() is non-blocking and lock-free for a properly implemented NBAIO sink, 3772234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // but this code should be modified to handle both non-blocking and blocking sinks 3782234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mWriteSequence++; 3792234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ATRACE_BEGIN("write"); 3802234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ssize_t framesWritten = outputSink->write(mixBuffer, frameCount); 3812234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ATRACE_END(); 3822234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mWriteSequence++; 3832234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (framesWritten >= 0) { 3842234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ALOG_ASSERT((size_t) framesWritten <= frameCount); 3852234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten totalNativeFramesWritten += framesWritten; 3862234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mFramesWritten = totalNativeFramesWritten; 3872234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten //if ((size_t) framesWritten == frameCount) { 3882234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // didFullWrite = true; 3892234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten //} 3902234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } else { 3912234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten dumpState->mWriteErrors++; 3922234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 3932234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten attemptedWrite = true; 3942234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // FIXME count # of writes blocked excessively, CPU usage, etc. for dump 3952234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten 3962234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten timestampStatus = outputSink->getTimestamp(timestamp); 3972234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (timestampStatus == NO_ERROR) { 3982234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten uint32_t totalNativeFramesPresented = timestamp.mPosition; 3992234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten if (totalNativeFramesPresented <= totalNativeFramesWritten) { 4002234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten nativeFramesWrittenButNotPresented = 4012234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten totalNativeFramesWritten - totalNativeFramesPresented; 40297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } else { 4032234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten // HAL reported that more frames were presented than were written 4042234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten timestampStatus = INVALID_OPERATION; 40597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 40697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 4072234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten } 40897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten} 40997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 4104182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn KastenFastMixerDumpState::FastMixerDumpState( 4114182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten#ifdef FAST_MIXER_STATISTICS 4124182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten uint32_t samplingN 4134182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten#endif 4142234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten ) : FastThreadDumpState(), 4152234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mWriteSequence(0), mFramesWritten(0), 4162234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mNumTracks(0), mWriteErrors(0), 4172234002b0710c8db73f82d397cb945cd541c6bbbGlenn Kasten mSampleRate(0), mFrameCount(0), 4181295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten mTrackMask(0) 41997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten{ 420153b9fe667e6e78e0218ff0159353097428c7657Glenn Kasten#ifdef FAST_MIXER_STATISTICS 4214182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten increaseSamplingN(samplingN); 4224182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten#endif 4234182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten} 4244182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten 4254182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten#ifdef FAST_MIXER_STATISTICS 4264182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kastenvoid FastMixerDumpState::increaseSamplingN(uint32_t samplingN) 4274182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten{ 4284182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten if (samplingN <= mSamplingN || samplingN > kSamplingN || roundup(samplingN) != samplingN) { 4294182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten return; 4304182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten } 4314182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten uint32_t additional = samplingN - mSamplingN; 43242d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten // sample arrays aren't accessed atomically with respect to the bounds, 43342d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten // so clearing reduces chance for dumpsys to read random uninitialized samples 4344182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten memset(&mMonotonicNs[mSamplingN], 0, sizeof(mMonotonicNs[0]) * additional); 4354182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten memset(&mLoadNs[mSamplingN], 0, sizeof(mLoadNs[0]) * additional); 4360a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#ifdef CPU_FREQUENCY_STATISTICS 4374182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten memset(&mCpukHz[mSamplingN], 0, sizeof(mCpukHz[0]) * additional); 438153b9fe667e6e78e0218ff0159353097428c7657Glenn Kasten#endif 4394182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten mSamplingN = samplingN; 44097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten} 4414182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten#endif 44297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 44397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn KastenFastMixerDumpState::~FastMixerDumpState() 44497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten{ 44597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten} 44697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 4471ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten// helper function called by qsort() 4481ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kastenstatic int compare_uint32_t(const void *pa, const void *pb) 4491ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten{ 4501ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten uint32_t a = *(const uint32_t *)pa; 4511ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten uint32_t b = *(const uint32_t *)pb; 4521ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten if (a < b) { 4531ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten return -1; 4541ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten } else if (a > b) { 4551ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten return 1; 4561ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten } else { 4571ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten return 0; 4581ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten } 4591ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten} 4601ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten 4614182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kastenvoid FastMixerDumpState::dump(int fd) const 46297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten{ 463868c0abe9f26852c217bc201b337e72c68f829b8Glenn Kasten if (mCommand == FastMixerState::INITIAL) { 46487cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " FastMixer not initialized\n"); 465868c0abe9f26852c217bc201b337e72c68f829b8Glenn Kasten return; 466868c0abe9f26852c217bc201b337e72c68f829b8Glenn Kasten } 46797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#define COMMAND_MAX 32 46897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten char string[COMMAND_MAX]; 46997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten switch (mCommand) { 47097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten case FastMixerState::INITIAL: 47197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten strcpy(string, "INITIAL"); 47297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 47397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten case FastMixerState::HOT_IDLE: 47497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten strcpy(string, "HOT_IDLE"); 47597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 47697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten case FastMixerState::COLD_IDLE: 47797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten strcpy(string, "COLD_IDLE"); 47897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 47997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten case FastMixerState::EXIT: 48097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten strcpy(string, "EXIT"); 48197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 48297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten case FastMixerState::MIX: 48397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten strcpy(string, "MIX"); 48497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 48597b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten case FastMixerState::WRITE: 48697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten strcpy(string, "WRITE"); 48797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 48897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten case FastMixerState::MIX_WRITE: 48997b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten strcpy(string, "MIX_WRITE"); 49097b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 49197b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten default: 49297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten snprintf(string, COMMAND_MAX, "%d", mCommand); 49397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten break; 49497b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten } 49542d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten double measuredWarmupMs = (mMeasuredWarmupTs.tv_sec * 1000.0) + 496288ed2103d96f3aabd7e6bea3c080ab6db164049Glenn Kasten (mMeasuredWarmupTs.tv_nsec / 1000000.0); 49742d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten double mixPeriodSec = (double) mFrameCount / (double) mSampleRate; 49887cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " FastMixer command=%s writeSequence=%u framesWritten=%u\n" 49987cebadd48710e42474756fc3513df678de045ceElliott Hughes " numTracks=%u writeErrors=%u underruns=%u overruns=%u\n" 50087cebadd48710e42474756fc3513df678de045ceElliott Hughes " sampleRate=%u frameCount=%zu measuredWarmup=%.3g ms, warmupCycles=%u\n" 50187cebadd48710e42474756fc3513df678de045ceElliott Hughes " mixPeriod=%.2f ms\n", 50297b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten string, mWriteSequence, mFramesWritten, 50321e8c50bd13ebe44f3088e26c9c6df0e163c469cGlenn Kasten mNumTracks, mWriteErrors, mUnderruns, mOverruns, 50442d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten mSampleRate, mFrameCount, measuredWarmupMs, mWarmupCycles, 50542d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten mixPeriodSec * 1e3); 50697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#ifdef FAST_MIXER_STATISTICS 50742d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten // find the interval of valid samples 50842d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten uint32_t bounds = mBounds; 50942d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten uint32_t newestOpen = bounds & 0xFFFF; 51042d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten uint32_t oldestClosed = bounds >> 16; 51142d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten uint32_t n = (newestOpen - oldestClosed) & 0xFFFF; 5124182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten if (n > mSamplingN) { 51342d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten ALOGE("too many samples %u", n); 5144182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten n = mSamplingN; 51542d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten } 51642d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten // statistics for monotonic (wall clock) time, thread raw CPU load in time, CPU clock frequency, 51742d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten // and adjusted CPU load in MHz normalized for CPU clock frequency 5180a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten CentralTendencyStatistics wall, loadNs; 5190a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#ifdef CPU_FREQUENCY_STATISTICS 5200a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten CentralTendencyStatistics kHz, loadMHz; 52142d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten uint32_t previousCpukHz = 0; 5220a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#endif 5231ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten // Assuming a normal distribution for cycle times, three standard deviations on either side of 5241ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten // the mean account for 99.73% of the population. So if we take each tail to be 1/1000 of the 5251ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten // sample set, we get 99.8% combined, or close to three standard deviations. 5261ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten static const uint32_t kTailDenominator = 1000; 5271ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten uint32_t *tail = n >= kTailDenominator ? new uint32_t[n] : NULL; 52842d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten // loop over all the samples 5291ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten for (uint32_t j = 0; j < n; ++j) { 5304182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten size_t i = oldestClosed++ & (mSamplingN - 1); 53142d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten uint32_t wallNs = mMonotonicNs[i]; 5321ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten if (tail != NULL) { 5331ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten tail[j] = wallNs; 5341ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten } 53542d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten wall.sample(wallNs); 53642d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten uint32_t sampleLoadNs = mLoadNs[i]; 53742d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten loadNs.sample(sampleLoadNs); 5380a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#ifdef CPU_FREQUENCY_STATISTICS 5390a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten uint32_t sampleCpukHz = mCpukHz[i]; 540c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten // skip bad kHz samples 541c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten if ((sampleCpukHz & ~0xF) != 0) { 542c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten kHz.sample(sampleCpukHz >> 4); 543c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten if (sampleCpukHz == previousCpukHz) { 544c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten double megacycles = (double) sampleLoadNs * (double) (sampleCpukHz >> 4) * 1e-12; 545c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten double adjMHz = megacycles / mixPeriodSec; // _not_ wallNs * 1e9 546c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten loadMHz.sample(adjMHz); 547c059bd4246c1b3944965be921e5b334d51cd236cGlenn Kasten } 54842d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten } 54942d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten previousCpukHz = sampleCpukHz; 5500a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#endif 55142d45cfd0c3d62357a6549c62f535e4d4fe08d91Glenn Kasten } 552b220884bf3129253cc5bc8d030bc475411ea4911Marco Nelissen if (n) { 55387cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " Simple moving statistics over last %.1f seconds:\n", 55487cebadd48710e42474756fc3513df678de045ceElliott Hughes wall.n() * mixPeriodSec); 55587cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " wall clock time in ms per mix cycle:\n" 55687cebadd48710e42474756fc3513df678de045ceElliott Hughes " mean=%.2f min=%.2f max=%.2f stddev=%.2f\n", 55787cebadd48710e42474756fc3513df678de045ceElliott Hughes wall.mean()*1e-6, wall.minimum()*1e-6, wall.maximum()*1e-6, 55887cebadd48710e42474756fc3513df678de045ceElliott Hughes wall.stddev()*1e-6); 55987cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " raw CPU load in us per mix cycle:\n" 56087cebadd48710e42474756fc3513df678de045ceElliott Hughes " mean=%.0f min=%.0f max=%.0f stddev=%.0f\n", 56187cebadd48710e42474756fc3513df678de045ceElliott Hughes loadNs.mean()*1e-3, loadNs.minimum()*1e-3, loadNs.maximum()*1e-3, 56287cebadd48710e42474756fc3513df678de045ceElliott Hughes loadNs.stddev()*1e-3); 563b220884bf3129253cc5bc8d030bc475411ea4911Marco Nelissen } else { 56487cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " No FastMixer statistics available currently\n"); 565b220884bf3129253cc5bc8d030bc475411ea4911Marco Nelissen } 5660a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#ifdef CPU_FREQUENCY_STATISTICS 5678b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes dprintf(fd, " CPU clock frequency in MHz:\n" 5688b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes " mean=%.0f min=%.0f max=%.0f stddev=%.0f\n", 5698b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes kHz.mean()*1e-3, kHz.minimum()*1e-3, kHz.maximum()*1e-3, kHz.stddev()*1e-3); 5708b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes dprintf(fd, " adjusted CPU load in MHz (i.e. normalized for CPU clock frequency):\n" 5718b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes " mean=%.1f min=%.1f max=%.1f stddev=%.1f\n", 5728b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes loadMHz.mean(), loadMHz.minimum(), loadMHz.maximum(), loadMHz.stddev()); 57397b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten#endif 5741ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten if (tail != NULL) { 5751ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten qsort(tail, n, sizeof(uint32_t), compare_uint32_t); 5761ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten // assume same number of tail samples on each side, left and right 5771ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten uint32_t count = n / kTailDenominator; 5781ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten CentralTendencyStatistics left, right; 5791ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten for (uint32_t i = 0; i < count; ++i) { 5801ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten left.sample(tail[i]); 5811ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten right.sample(tail[n - (i + 1)]); 5821ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten } 58387cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " Distribution of mix cycle times in ms for the tails (> ~3 stddev outliers):\n" 58487cebadd48710e42474756fc3513df678de045ceElliott Hughes " left tail: mean=%.2f min=%.2f max=%.2f stddev=%.2f\n" 58587cebadd48710e42474756fc3513df678de045ceElliott Hughes " right tail: mean=%.2f min=%.2f max=%.2f stddev=%.2f\n", 5868b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes left.mean()*1e-6, left.minimum()*1e-6, left.maximum()*1e-6, left.stddev()*1e-6, 5878b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes right.mean()*1e-6, right.minimum()*1e-6, right.maximum()*1e-6, 5888b5f642eb2364ea7fe46a5b3af51b48b58f12183Elliott Hughes right.stddev()*1e-6); 5891ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten delete[] tail; 5901ab212cf5cfa5b88c801840e11e3191cd10f48e4Glenn Kasten } 5910a14c4ce1a41bc09eb7855fa531a3af629a69139Glenn Kasten#endif 5921295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten // The active track mask and track states are updated non-atomically. 5931295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten // So if we relied on isActive to decide whether to display, 5941295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten // then we might display an obsolete track or omit an active track. 5951295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten // Instead we always display all tracks, with an indication 5961295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten // of whether we think the track is active. 5971295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten uint32_t trackMask = mTrackMask; 59887cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " Fast tracks: kMaxFastTracks=%u activeMask=%#x\n", 5991295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten FastMixerState::kMaxFastTracks, trackMask); 60087cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " Index Active Full Partial Empty Recent Ready\n"); 6011295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten for (uint32_t i = 0; i < FastMixerState::kMaxFastTracks; ++i, trackMask >>= 1) { 6021295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten bool isActive = trackMask & 1; 6031295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten const FastTrackDump *ftDump = &mTracks[i]; 6041295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten const FastTrackUnderruns& underruns = ftDump->mUnderruns; 6051295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten const char *mostRecent; 6061295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten switch (underruns.mBitFields.mMostRecent) { 6071295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten case UNDERRUN_FULL: 6081295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten mostRecent = "full"; 6091295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten break; 6101295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten case UNDERRUN_PARTIAL: 6111295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten mostRecent = "partial"; 6121295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten break; 6131295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten case UNDERRUN_EMPTY: 6141295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten mostRecent = "empty"; 6151295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten break; 6161295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten default: 6171295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten mostRecent = "?"; 6181295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten break; 6191295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten } 62087cebadd48710e42474756fc3513df678de045ceElliott Hughes dprintf(fd, " %5u %6s %4u %7u %5u %7s %5zu\n", i, isActive ? "yes" : "no", 6211295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten (underruns.mBitFields.mFull) & UNDERRUN_MASK, 6221295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten (underruns.mBitFields.mPartial) & UNDERRUN_MASK, 6231295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten (underruns.mBitFields.mEmpty) & UNDERRUN_MASK, 6241295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten mostRecent, ftDump->mFramesReady); 6251295bb4dcff7b29c75cd23746816df12a871d72cGlenn Kasten } 62697b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten} 62797b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten 62897b5d0d5b5ef766eb5dd680d05a5d199662d4ae0Glenn Kasten} // namespace android 629