AudioMixer.cpp revision 9bd23229fdec1657398abc682ccccfce1c95f8aa
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Copyright 2007, The Android Open Source Project 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** you may not use this file except in compliance with the License. 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** You may obtain a copy of the License at 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Unless required by applicable law or agreed to in writing, software 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** See the License for the specific language governing permissions and 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** limitations under the License. 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian*/ 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG_TAG "AudioMixer" 1965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian//#define LOG_NDEBUG 0 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdint.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <string.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdlib.h> 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 290d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi#include <cutils/bitops.h> 30f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten#include <cutils/compiler.h> 315798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten#include <utils/Debug.h> 320d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 330d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi#include <system/audio.h> 340d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 353b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten#include <audio_utils/primitives.h> 364ff14bae91075eb274eb1c2975982358946e7e63John Grossman#include <common_time/local_clock.h> 374ff14bae91075eb274eb1c2975982358946e7e63John Grossman#include <common_time/cc_helper.h> 383b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten 397d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi#include <media/EffectsFactoryApi.h> 407d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioMixer.h" 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 467d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel TriviAudioMixer::DownmixerBufferProvider::DownmixerBufferProvider() : AudioBufferProvider(), 477d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mTrackBufferProvider(NULL), mDownmixHandle(NULL) 487d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi{ 497d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi} 507d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 517d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel TriviAudioMixer::DownmixerBufferProvider::~DownmixerBufferProvider() 527d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi{ 537d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGV("AudioMixer deleting DownmixerBufferProvider (%p)", this); 547d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi EffectRelease(mDownmixHandle); 557d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi} 567d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 577d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivistatus_t AudioMixer::DownmixerBufferProvider::getNextBuffer(AudioBufferProvider::Buffer *pBuffer, 587d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi int64_t pts) { 597d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi //ALOGV("DownmixerBufferProvider::getNextBuffer()"); 607d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (this->mTrackBufferProvider != NULL) { 617d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi status_t res = mTrackBufferProvider->getNextBuffer(pBuffer, pts); 627d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (res == OK) { 637d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mDownmixConfig.inputCfg.buffer.frameCount = pBuffer->frameCount; 647d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mDownmixConfig.inputCfg.buffer.raw = pBuffer->raw; 657d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mDownmixConfig.outputCfg.buffer.frameCount = pBuffer->frameCount; 667d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mDownmixConfig.outputCfg.buffer.raw = mDownmixConfig.inputCfg.buffer.raw; 677d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // in-place so overwrite the buffer contents, has been set in prepareTrackForDownmix() 687d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi //mDownmixConfig.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_WRITE; 697d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 707d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi res = (*mDownmixHandle)->process(mDownmixHandle, 717d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi &mDownmixConfig.inputCfg.buffer, &mDownmixConfig.outputCfg.buffer); 729bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi //ALOGV("getNextBuffer is downmixing"); 737d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 747d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi return res; 757d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } else { 767d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("DownmixerBufferProvider::getNextBuffer() error: NULL track buffer provider"); 777d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi return NO_INIT; 787d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 797d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi} 807d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 817d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivivoid AudioMixer::DownmixerBufferProvider::releaseBuffer(AudioBufferProvider::Buffer *pBuffer) { 829bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi //ALOGV("DownmixerBufferProvider::releaseBuffer()"); 837d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (this->mTrackBufferProvider != NULL) { 847d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mTrackBufferProvider->releaseBuffer(pBuffer); 857d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } else { 867d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("DownmixerBufferProvider::releaseBuffer() error: NULL track buffer provider"); 877d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 887d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi} 897d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 907d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 917d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi// ---------------------------------------------------------------------------- 927d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivibool AudioMixer::isMultichannelCapable = false; 937d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 947d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivieffect_descriptor_t AudioMixer::dwnmFxDesc; 9565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 965c94b6c7689a335e26a86e8a0d04b56dc627738eGlenn KastenAudioMixer::AudioMixer(size_t frameCount, uint32_t sampleRate, uint32_t maxNumTracks) 975c94b6c7689a335e26a86e8a0d04b56dc627738eGlenn Kasten : mTrackNames(0), mConfiguredNames((1 << maxNumTracks) - 1), mSampleRate(sampleRate) 9865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 99788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten // AudioMixer is not yet capable of multi-channel beyond stereo 1005798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten COMPILE_TIME_ASSERT_FUNCTION_SCOPE(2 == MAX_NUM_CHANNELS); 101acb86cccbd9d245439a04cef0bcefa589addaa4cJean-Michel Trivi 1025c94b6c7689a335e26a86e8a0d04b56dc627738eGlenn Kasten ALOG_ASSERT(maxNumTracks <= MAX_NUM_TRACKS, "maxNumTracks %u > MAX_NUM_TRACKS %u", 1035c94b6c7689a335e26a86e8a0d04b56dc627738eGlenn Kasten maxNumTracks, MAX_NUM_TRACKS); 1045c94b6c7689a335e26a86e8a0d04b56dc627738eGlenn Kasten 1054ff14bae91075eb274eb1c2975982358946e7e63John Grossman LocalClock lc; 1064ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.enabledTracks= 0; 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged = 0; 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.frameCount = frameCount; 11084afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten mState.hook = process__nop; 111e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.outputTemp = NULL; 112e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.resampleTemp = NULL; 11384afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten // mState.reserved 11417a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 11517a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten // FIXME Most of the following initialization is probably redundant since 11617a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten // tracks[i] should only be referenced if (mTrackNames & (1 << i)) != 0 11717a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten // and mTrackNames is initially 0. However, leave it here until that's verified. 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 119bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 120deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten // FIXME redundant per track 121deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten t->localTimeFreq = lc.getLocalFreq(); 122a5e821439996de6005b2fa36b3bdd31f003ce23fEric Laurent t->resampler = NULL; 1239bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi t->downmixerBufferProvider = NULL; 124deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten t++; 125deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten } 1267d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 1277d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // find multichannel downmix effect if we have to play multichannel content 1287d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi uint32_t numEffects = 0; 1297d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi int ret = EffectQueryNumberEffects(&numEffects); 1307d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (ret != 0) { 1317d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("AudioMixer() error %d querying number of effects", ret); 1327d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi return; 1337d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 1347d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGV("EffectQueryNumberEffects() numEffects=%d", numEffects); 1357d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 1367d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi for (uint32_t i = 0 ; i < numEffects ; i++) { 1377d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (EffectQueryEffect(i, &dwnmFxDesc) == 0) { 1387d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGV("effect %d is called %s", i, dwnmFxDesc.name); 1397d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (memcmp(&dwnmFxDesc.type, EFFECT_UIID_DOWNMIX, sizeof(effect_uuid_t)) == 0) { 1407d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGI("found effect \"%s\" from %s", 1417d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi dwnmFxDesc.name, dwnmFxDesc.implementor); 1427d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi isMultichannelCapable = true; 1437d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi break; 1447d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 1457d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 1467d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 1477d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE_IF(!isMultichannelCapable, "unable to find downmix effect"); 148deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten} 149deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten 150deeb1282621f3177ad667360b40eef8e4fedb298Glenn KastenAudioMixer::~AudioMixer() 151deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten{ 152deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten track_t* t = mState.tracks; 153deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 154deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten delete t->resampler; 1559bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi delete t->downmixerBufferProvider; 156deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten t++; 157deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten } 158deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten delete [] mState.outputTemp; 159deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten delete [] mState.resampleTemp; 160deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten} 161deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten 1629bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Triviint AudioMixer::getTrackName(audio_channel_mask_t channelMask) 163deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten{ 164deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten uint32_t names = (~mTrackNames) & mConfiguredNames; 165deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten if (names != 0) { 166deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten int n = __builtin_ctz(names); 167deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten ALOGV("add track (%d)", n); 168deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten mTrackNames |= 1 << n; 169deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten // assume default parameters for the track, except where noted below 170deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten track_t* t = &mState.tracks[n]; 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->needs = 0; 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[0] = UNITY_GAIN; 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[1] = UNITY_GAIN; 1740cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 1750cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[0] 1760cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[1] 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[0] = 0; 17865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[1] = 0; 17965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxLevel = 0; 18065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxInc = 0; 1810cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 1820cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevAuxLevel 1830cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->frameCount 18465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->channelCount = 2; 1854c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten t->enabled = false; 18665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->format = 16; 1870d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi t->channelMask = AUDIO_CHANNEL_OUT_STEREO; 188deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten // setBufferProvider(name, AudioBufferProvider *) is required before enable(name) 189e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->bufferProvider = NULL; 1907d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi t->downmixerBufferProvider = NULL; 19184afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten t->buffer.raw = NULL; 192deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten // no initialization needed 19384afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten // t->buffer.frameCount 194e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->hook = NULL; 19584afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten t->in = NULL; 196e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->resampler = NULL; 19765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->sampleRate = mSampleRate; 198deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten // setParameter(name, TRACK, MAIN_BUFFER, mixBuffer) is required before enable(name) 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->mainBuffer = NULL; 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxBuffer = NULL; 201deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten // see t->localTimeFreq in constructor above 2029bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi 2039bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi status_t status = initTrackDownmix(&mState.tracks[n], n, channelMask); 2049bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi if (status == OK) { 2059bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi return TRACK0 + n; 2069bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi } 2079bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOGE("AudioMixer::getTrackName(0x%x) failed, error preparing track for downmix", 2089bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi channelMask); 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return -1; 211c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 213c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::invalidateState(uint32_t mask) 214c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged |= mask; 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__validate; 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2219bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivistatus_t AudioMixer::initTrackDownmix(track_t* pTrack, int trackNum, audio_channel_mask_t mask) 2227d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi{ 2239bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi uint32_t channelCount = popcount(mask); 2249bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOG_ASSERT((channelCount <= MAX_NUM_CHANNELS_TO_DOWNMIX) && channelCount); 2259bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi status_t status = OK; 2269bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi if (channelCount > MAX_NUM_CHANNELS) { 2279bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi pTrack->channelMask = mask; 2289bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi pTrack->channelCount = channelCount; 2299bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOGV("initTrackDownmix(track=%d, mask=0x%x) calls prepareTrackForDownmix()", 2309bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi trackNum, mask); 2319bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi status = prepareTrackForDownmix(pTrack, trackNum); 2329bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi } else { 2339bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi unprepareTrackForDownmix(pTrack, trackNum); 2349bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi } 2359bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi return status; 2369bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi} 2379bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi 2389bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivivoid AudioMixer::unprepareTrackForDownmix(track_t* pTrack, int trackName) { 2399bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOGV("AudioMixer::unprepareTrackForDownmix(%d)", trackName); 2407d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 2417d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (pTrack->downmixerBufferProvider != NULL) { 2429bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi // this track had previously been configured with a downmixer, delete it 2439bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOGV(" deleting old downmixer"); 2447d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pTrack->bufferProvider = pTrack->downmixerBufferProvider->mTrackBufferProvider; 2457d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi delete pTrack->downmixerBufferProvider; 2469bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi pTrack->downmixerBufferProvider = NULL; 2479bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi } else { 2489bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOGV(" nothing to do, no downmixer to delete"); 2497d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 2509bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi} 2519bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi 2529bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivistatus_t AudioMixer::prepareTrackForDownmix(track_t* pTrack, int trackName) 2539bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi{ 2549bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOGV("AudioMixer::prepareTrackForDownmix(%d) with mask 0x%x", trackName, pTrack->channelMask); 2559bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi 2569bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi // discard the previous downmixer if there was one 2579bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi unprepareTrackForDownmix(pTrack, trackName); 2587d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 2597d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi DownmixerBufferProvider* pDbp = new DownmixerBufferProvider(); 2607d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi int32_t status; 2617d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 2627d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (!isMultichannelCapable) { 2637d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("prepareTrackForDownmix(%d) fails: mixer doesn't support multichannel content", 2647d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi trackName); 2657d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi goto noDownmixForActiveTrack; 2667d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 2677d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 2687d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (EffectCreate(&dwnmFxDesc.uuid, 2697d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi -2 /*sessionId*/, -2 /*ioId*/,// both not relevant here, using random value 2707d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi &pDbp->mDownmixHandle/*pHandle*/) != 0) { 2717d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("prepareTrackForDownmix(%d) fails: error creating downmixer effect", trackName); 2727d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi goto noDownmixForActiveTrack; 2737d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 2747d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 2757d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // channel input configuration will be overridden per-track 2767d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.inputCfg.channels = pTrack->channelMask; 2777d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO; 2787d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 2797d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 2807d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.inputCfg.samplingRate = pTrack->sampleRate; 2817d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.outputCfg.samplingRate = pTrack->sampleRate; 2827d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ; 2837d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_WRITE; 2847d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // input and output buffer provider, and frame count will not be used as the downmix effect 2857d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // process() function is called directly (see DownmixerBufferProvider::getNextBuffer()) 2867d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.inputCfg.mask = EFFECT_CONFIG_SMP_RATE | EFFECT_CONFIG_CHANNELS | 2877d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi EFFECT_CONFIG_FORMAT | EFFECT_CONFIG_ACC_MODE; 2887d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mDownmixConfig.outputCfg.mask = pDbp->mDownmixConfig.inputCfg.mask; 2897d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 2907d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi {// scope for local variables that are not used in goto label "noDownmixForActiveTrack" 2917d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi int cmdStatus; 2927d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi uint32_t replySize = sizeof(int); 2937d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 2947d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // Configure and enable downmixer 2957d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi status = (*pDbp->mDownmixHandle)->command(pDbp->mDownmixHandle, 2967d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi EFFECT_CMD_SET_CONFIG /*cmdCode*/, sizeof(effect_config_t) /*cmdSize*/, 2977d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi &pDbp->mDownmixConfig /*pCmdData*/, 2987d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi &replySize /*replySize*/, &cmdStatus /*pReplyData*/); 2997d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if ((status != 0) || (cmdStatus != 0)) { 3007d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("error %d while configuring downmixer for track %d", status, trackName); 3017d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi goto noDownmixForActiveTrack; 3027d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 3037d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi replySize = sizeof(int); 3047d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi status = (*pDbp->mDownmixHandle)->command(pDbp->mDownmixHandle, 3057d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi EFFECT_CMD_ENABLE /*cmdCode*/, 0 /*cmdSize*/, NULL /*pCmdData*/, 3067d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi &replySize /*replySize*/, &cmdStatus /*pReplyData*/); 3077d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if ((status != 0) || (cmdStatus != 0)) { 3087d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("error %d while enabling downmixer for track %d", status, trackName); 3097d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi goto noDownmixForActiveTrack; 3107d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 3117d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 3127d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // Set downmix type 3137d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // parameter size rounded for padding on 32bit boundary 3147d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi const int psizePadded = ((sizeof(downmix_params_t) - 1)/sizeof(int) + 1) * sizeof(int); 3157d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi const int downmixParamSize = 3167d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi sizeof(effect_param_t) + psizePadded + sizeof(downmix_type_t); 3177d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi effect_param_t * const param = (effect_param_t *) malloc(downmixParamSize); 3187d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi param->psize = sizeof(downmix_params_t); 3197d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi const downmix_params_t downmixParam = DOWNMIX_PARAM_TYPE; 3207d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi memcpy(param->data, &downmixParam, param->psize); 3217d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi const downmix_type_t downmixType = DOWNMIX_TYPE_FOLD; 3227d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi param->vsize = sizeof(downmix_type_t); 3237d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi memcpy(param->data + psizePadded, &downmixType, param->vsize); 3247d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 3257d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi status = (*pDbp->mDownmixHandle)->command(pDbp->mDownmixHandle, 3267d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi EFFECT_CMD_SET_PARAM /* cmdCode */, downmixParamSize/* cmdSize */, 3277d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi param /*pCmndData*/, &replySize /*replySize*/, &cmdStatus /*pReplyData*/); 3287d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 3297d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi free(param); 3307d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 3317d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if ((status != 0) || (cmdStatus != 0)) { 3327d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGE("error %d while setting downmix type for track %d", status, trackName); 3337d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi goto noDownmixForActiveTrack; 3347d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } else { 3357d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGV("downmix type set to %d for track %d", (int) downmixType, trackName); 3367d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 3377d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi }// end of scope for local variables that are not used in goto label "noDownmixForActiveTrack" 3387d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 3397d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // initialization successful: 3407d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // - keep track of the real buffer provider in case it was set before 3417d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pDbp->mTrackBufferProvider = pTrack->bufferProvider; 3427d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // - we'll use the downmix effect integrated inside this 3437d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // track's buffer provider, and we'll use it as the track's buffer provider 3447d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pTrack->downmixerBufferProvider = pDbp; 3457d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pTrack->bufferProvider = pDbp; 3467d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 3477d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi return NO_ERROR; 3487d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 3497d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel TrivinoDownmixForActiveTrack: 3507d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi delete pDbp; 3517d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi pTrack->downmixerBufferProvider = NULL; 3527d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi return NO_INIT; 3537d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi} 3547d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 355c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::deleteTrackName(int name) 356c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 3579bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi ALOGV("AudioMixer::deleteTrackName(%d)", name); 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian name -= TRACK0; 3595798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten ALOG_ASSERT(uint32_t(name) < MAX_NUM_TRACKS, "bad track name %d", name); 360237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten ALOGV("deleteTrackName(%d)", name); 361237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track_t& track(mState.tracks[ name ]); 3624c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (track.enabled) { 3634c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = false; 364237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten invalidateState(1<<name); 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 3664e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten // delete the resampler 3674e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten delete track.resampler; 3684e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten track.resampler = NULL; 3699bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi // delete the downmixer 3709bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi unprepareTrackForDownmix(&mState.tracks[name], name); 3719bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi 372237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten mTrackNames &= ~(1<<name); 373c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3759c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::enable(int name) 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3779c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 3785798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten ALOG_ASSERT(uint32_t(name) < MAX_NUM_TRACKS, "bad track name %d", name); 3799c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 3809c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 3814c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (!track.enabled) { 3824c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = true; 3839c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("enable(%d)", name); 3849c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3889c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::disable(int name) 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3909c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 3915798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten ALOG_ASSERT(uint32_t(name) < MAX_NUM_TRACKS, "bad track name %d", name); 3929c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 3939c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 3944c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (track.enabled) { 3954c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = false; 3969c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("disable(%d)", name); 3979c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4019c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::setParameter(int name, int target, int param, void *value) 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 4039c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 4045798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten ALOG_ASSERT(uint32_t(name) < MAX_NUM_TRACKS, "bad track name %d", name); 4059c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int valueInt = (int)value; 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *valueBuf = (int32_t *)value; 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (target) { 411788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case TRACK: 4139c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 414788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case CHANNEL_MASK: { 4150d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t mask = (uint32_t)value; 4169c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.channelMask != mask) { 4175798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten uint32_t channelCount = popcount(mask); 4187d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOG_ASSERT((channelCount <= MAX_NUM_CHANNELS_TO_DOWNMIX) && channelCount); 4199c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelMask = mask; 4209c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelCount = channelCount; 4219bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi // the mask has changed, does this track need a downmixer? 4229bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi initTrackDownmix(&mState.tracks[name], name, mask); 423788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(TRACK, CHANNEL_MASK, %x)", mask); 4249c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 426788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten } break; 427788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case MAIN_BUFFER: 4289c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.mainBuffer != valueBuf) { 4299c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.mainBuffer = valueBuf; 4303856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, MAIN_BUFFER, %p)", valueBuf); 4319c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 433788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 434788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case AUX_BUFFER: 4359c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.auxBuffer != valueBuf) { 4369c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.auxBuffer = valueBuf; 4373856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, AUX_BUFFER, %p)", valueBuf); 4389c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 440788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 441deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten case FORMAT: 442deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten ALOG_ASSERT(valueInt == AUDIO_FORMAT_PCM_16_BIT); 443deeb1282621f3177ad667360b40eef8e4fedb298Glenn Kasten break; 4447d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // FIXME do we want to support setting the downmix type from AudioFlinger? 4457d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // for a specific track? or per mixer? 4467d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi /* case DOWNMIX_TYPE: 4477d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi break */ 448788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 4495798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten LOG_FATAL("bad param"); 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 452788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 45365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RESAMPLE: 4549c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 4559c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case SAMPLE_RATE: 4565798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten ALOG_ASSERT(valueInt > 0, "bad sample rate %d", valueInt); 457788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten if (track.setResampler(uint32_t(valueInt), mSampleRate)) { 458788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(RESAMPLE, SAMPLE_RATE, %u)", 459788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten uint32_t(valueInt)); 4609c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 46165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 4629c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 4639c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case RESET: 464243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent track.resetResampler(); 4659c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 4669c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 4674e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten case REMOVE: 4684e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten delete track.resampler; 4694e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten track.resampler = NULL; 4704e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten track.sampleRate = mSampleRate; 4714e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten invalidateState(1 << name); 4724e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten break; 473788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 4745798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten LOG_FATAL("bad param"); 475243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent } 47665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 477788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 47865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RAMP_VOLUME: 47965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case VOLUME: 4809c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 481788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case VOLUME0: 4829c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case VOLUME1: 4839c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.volume[param-VOLUME0] != valueInt) { 4843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, VOLUME0/1: %04x)", valueInt); 4859c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = track.volume[param-VOLUME0] << 16; 4869c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volume[param-VOLUME0] = valueInt; 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 4889c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 4899c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = 0; 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 4919c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten int32_t d = (valueInt<<16) - track.prevVolume[param-VOLUME0]; 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 4939c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = volInc; 49465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 4959c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 4989c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 49965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 5009c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 5019c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case AUXLEVEL: 5025798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten //ALOG_ASSERT(0 <= valueInt && valueInt <= MAX_GAIN_INT, "bad aux level %d", valueInt); 50365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.auxLevel != valueInt) { 5043856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, AUXLEVEL: %04x)", valueInt); 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = track.auxLevel << 16; 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxLevel = valueInt; 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = 0; 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 51165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevAuxLevel; 51265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 51365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = volInc; 51465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 51565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 51665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 51765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 5189c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 51965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 5209c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 521788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 5225798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten LOG_FATAL("bad param"); 52365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 525788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 526788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 5275798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten LOG_FATAL("bad target"); 52865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 52965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 53065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::setResampler(uint32_t value, uint32_t devSampleRate) 53265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 5334e2293f29f2e719af1245d365747ea06d074b345Glenn Kasten if (value != devSampleRate || resampler != NULL) { 53465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sampleRate != value) { 53565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sampleRate = value; 536e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten if (resampler == NULL) { 53765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampler = AudioResampler::create( 538acb86cccbd9d245439a04cef0bcefa589addaa4cJean-Michel Trivi format, 539acb86cccbd9d245439a04cef0bcefa589addaa4cJean-Michel Trivi // the resampler sees the number of channels after the downmixer, if any 540acb86cccbd9d245439a04cef0bcefa589addaa4cJean-Michel Trivi downmixerBufferProvider != NULL ? MAX_NUM_CHANNELS : channelCount, 541acb86cccbd9d245439a04cef0bcefa589addaa4cJean-Michel Trivi devSampleRate); 5424ff14bae91075eb274eb1c2975982358946e7e63John Grossman resampler->setLocalTimeFreq(localTimeFreq); 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 54565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 54665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 54765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 54865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 54965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 55065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianinline 55165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track_t::adjustVolumeRamp(bool aux) 55265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 553f9a27779634ce3a01e5957f234cd04eba74fa07fGlenn Kasten for (uint32_t i=0 ; i<MAX_NUM_CHANNELS ; i++) { 55465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((volumeInc[i]>0) && (((prevVolume[i]+volumeInc[i])>>16) >= volume[i])) || 55565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((volumeInc[i]<0) && (((prevVolume[i]+volumeInc[i])>>16) <= volume[i]))) { 55665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeInc[i] = 0; 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevVolume[i] = volume[i]<<16; 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 56065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux) { 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((auxInc>0) && (((prevAuxLevel+auxInc)>>16) >= auxLevel)) || 56265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((auxInc<0) && (((prevAuxLevel+auxInc)>>16) <= auxLevel))) { 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian auxInc = 0; 56465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevAuxLevel = auxLevel<<16; 56565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 56765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 569c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kastensize_t AudioMixer::getUnreleasedFrames(int name) const 570071ccd5a9702500f3f7d62ef881300914926184dEric Laurent{ 571071ccd5a9702500f3f7d62ef881300914926184dEric Laurent name -= TRACK0; 572071ccd5a9702500f3f7d62ef881300914926184dEric Laurent if (uint32_t(name) < MAX_NUM_TRACKS) { 573c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten return mState.tracks[name].getUnreleasedFrames(); 574071ccd5a9702500f3f7d62ef881300914926184dEric Laurent } 575071ccd5a9702500f3f7d62ef881300914926184dEric Laurent return 0; 576071ccd5a9702500f3f7d62ef881300914926184dEric Laurent} 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 57801c4ebf6b794493898114a502ed36de13137f7e5Glenn Kastenvoid AudioMixer::setBufferProvider(int name, AudioBufferProvider* bufferProvider) 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 5809c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 5815798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten ALOG_ASSERT(uint32_t(name) < MAX_NUM_TRACKS, "bad track name %d", name); 5827d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi 5837d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (mState.tracks[name].downmixerBufferProvider != NULL) { 5847d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // update required? 5857d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if (mState.tracks[name].downmixerBufferProvider->mTrackBufferProvider != bufferProvider) { 5867d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGV("AudioMixer::setBufferProvider(%p) for downmix", bufferProvider); 5877d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // setting the buffer provider for a track that gets downmixed consists in: 5887d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // 1/ setting the buffer provider to the "downmix / buffer provider" wrapper 5897d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // so it's the one that gets called when the buffer provider is needed, 5907d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mState.tracks[name].bufferProvider = mState.tracks[name].downmixerBufferProvider; 5917d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // 2/ saving the buffer provider for the track so the wrapper can use it 5927d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi // when it downmixes. 5937d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mState.tracks[name].downmixerBufferProvider->mTrackBufferProvider = bufferProvider; 5947d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 5957d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } else { 5967d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi mState.tracks[name].bufferProvider = bufferProvider; 5977d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi } 59865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6024ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process(int64_t pts) 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 6044ff14bae91075eb274eb1c2975982358946e7e63John Grossman mState.hook(&mState, pts); 60565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6084ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__validate(state_t* state, int64_t pts) 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 6105ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(!state->needsChanged, 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "in process__validate() but nothing's invalid"); 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t changed = state->needsChanged; 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->needsChanged = 0; // clear the validation flag 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // recompute which tracks are enabled / disabled 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabled = 0; 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t disabled = 0; 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (changed) { 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(changed); 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t mask = 1<<i; 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian changed &= ~mask; 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.enabled ? enabled : disabled) |= mask; 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks &= ~disabled; 62765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks |= enabled; 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // compute everything we need... 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int countActiveTracks = 0; 6314c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool all16BitsStereoNoResample = true; 6324c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool resampling = false; 6334c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool volumeRamp = false; 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks++; 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t n = 0; 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_CHANNEL_1 + t.channelCount - 1; 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_FORMAT_16; 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= t.doesResample() ? NEEDS_RESAMPLE_ENABLED : NEEDS_RESAMPLE_DISABLED; 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.auxLevel != 0 && t.auxBuffer != NULL) { 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_AUX_ENABLED; 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.volumeInc[0]|t.volumeInc[1]) { 6504c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten volumeRamp = true; 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (!t.doesResample() && t.volumeRL == 0) { 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_MUTE_ENABLED; 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs = n; 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_MUTE__MASK) == NEEDS_MUTE_ENABLED) { 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 6604c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 6634c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 6644c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten resampling = true; 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__genericResample; 6667d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGV_IF((n & NEEDS_CHANNEL_COUNT__MASK) > NEEDS_CHANNEL_2, 6679bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi "Track %d needs downmix + resample", i); 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 66965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_1){ 67065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsMono; 6714c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 6737d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi if ((n & NEEDS_CHANNEL_COUNT__MASK) >= NEEDS_CHANNEL_2){ 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsStereo; 6757d5b26230a179cd7bcc01f6578cd80d8c15a92a5Jean-Michel Trivi ALOGV_IF((n & NEEDS_CHANNEL_COUNT__MASK) > NEEDS_CHANNEL_2, 6769bd23229fdec1657398abc682ccccfce1c95f8aaJean-Michel Trivi "Track %d needs downmix", i); 67765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // select the processing hooks 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampling) { 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->outputTemp) { 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->resampleTemp) { 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericResampling; 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->outputTemp) { 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->outputTemp; 696e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->outputTemp = NULL; 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->resampleTemp) { 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->resampleTemp; 700e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->resampleTemp = NULL; 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericNoResampling; 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (all16BitsStereoNoResample && !volumeRamp) { 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7113856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mixer configuration change: %d activeTracks (%08x) " 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "all16BitsStereoNoResample=%d, resampling=%d, volumeRamp=%d", 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks, state->enabledTracks, 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample, resampling, volumeRamp); 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7164ff14bae91075eb274eb1c2975982358946e7e63John Grossman state->hook(state, pts); 717c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten 718c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // Now that the volume ramp has been done, set optimal state and 719c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // track hooks for subsequent mixer process 720c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks) { 7214c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool allMuted = true; 722c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten uint32_t en = state->enabledTracks; 723c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten while (en) { 724c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten const int i = 31 - __builtin_clz(en); 725c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten en &= ~(1<<i); 726c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten track_t& t = state->tracks[i]; 727c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (!t.doesResample() && t.volumeRL == 0) 728c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten { 729c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.needs |= NEEDS_MUTE_ENABLED; 730c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.hook = track__nop; 731c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 7324c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten allMuted = false; 733c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 734c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 735c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (allMuted) { 736c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__nop; 737c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else if (all16BitsStereoNoResample) { 738c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks == 1) { 739c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__OneTrack16BitsStereoNoResampling; 740c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 741c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 742c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__genericResample(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setSampleRate(t->sampleRate); 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain - resample to temp buffer and scale/mix in 2nd step 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux != NULL) { 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // always resample with unity gain when sending to auxiliary buffer to be able 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to apply send level after resampling 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // TODO: modify each resampler to support aux channel? 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 758f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeStereo(t, out, outFrameCount, temp, aux); 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 764f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 76565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 76765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(t->volume[0], t->volume[1]); 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(out, outFrameCount, t->bufferProvider); 77565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__nop(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 78665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 790b8a805261bf0282e992d3608035e47d05a898710Steve Block //ALOGD("[0] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp volume 795f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 79765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 79865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 80065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (*temp++ >> 12); 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (*temp++ >> 12); 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 80765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 80865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 80965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 81065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 81165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 81265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 81365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 81465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (*temp++ >> 12); 81565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (*temp++ >> 12); 81665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 81765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 81865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 81965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 82065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 82165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 822a111792f1314479c649d1d44c30c2caf70c00c2aGlenn Kasten t->adjustVolumeRamp(aux != NULL); 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 82565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 830f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 8313b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten const int16_t va = t->auxLevel; 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)l + r) >> 1); 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 85554c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = static_cast<const int16_t *>(t->in); 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 857f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 85965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 861f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 868b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (int32_t)*in++; 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (int32_t)*in++; 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 89454c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)in[0] + in[1]) >> 1); 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 906f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 912b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (int32_t) *in++; 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (int32_t) *in++; 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 93254c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsMono(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 94554c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = static_cast<int16_t const *>(t->in); 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 947f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 949f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 95565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 957b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 16) * l; 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 97565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(l, va, aux[0]); 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 992f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 99765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 998b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 101165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 101465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 101565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 102265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 102565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// no-op case 10304ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__nop(state_t* state, int64_t pts) 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t bufSize = state->frameCount * sizeof(int16_t) * MAX_NUM_CHANNELS; 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // avoid multiple memset() on same buffer 103765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i = 31 - __builtin_clz(e1); 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[i]; 104065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e2); 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[i]; 1045f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(t1.mainBuffer, 0, bufSize); 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e1); 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1 = state->tracks[i]; 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = state->frameCount; 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.buffer.frameCount = outFrames; 10604ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS( 10614ff14bae91075eb274eb1c2975982358946e7e63John Grossman t1, pts, state->frameCount - outFrames); 10624ff14bae91075eb274eb1c2975982358946e7e63John Grossman t1.bufferProvider->getNextBuffer(&t1.buffer, outputPTS); 1063a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (t1.buffer.raw == NULL) break; 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= t1.buffer.frameCount; 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&t1.buffer); 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// generic code without resampling 10724ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__genericNoResampling(state_t* state, int64_t pts) 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t outTemp[BLOCKSIZE * MAX_NUM_CHANNELS] __attribute__((aligned(32))); 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire each track's buffer 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabledTracks = state->enabledTracks; 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = enabledTracks; 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = state->frameCount; 10844ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&t.buffer, pts); 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // optimize cache use 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 1105f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this assumes output 16 bits stereo, no resampling 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = 0; 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(outTemp, 0, sizeof(outTemp)); 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 = e1; 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e2); 111865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = BLOCKSIZE; 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 1122f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED)) { 112365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer + numFrames; 112465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t inFrames = (t.frameCount > outFrames)?outFrames:t.frameCount; 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (inFrames) { 1128a111792f1314479c649d1d44c30c2caf70c00c2aGlenn Kasten t.hook(&t, outTemp + (BLOCKSIZE-outFrames)*MAX_NUM_CHANNELS, inFrames, state->resampleTemp, aux); 112965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount -= inFrames; 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= inFrames; 1131f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += inFrames; 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.frameCount == 0 && outFrames) { 113665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = (state->frameCount - numFrames) - (BLOCKSIZE - outFrames); 11384ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS( 11394ff14bae91075eb274eb1c2975982358946e7e63John Grossman t, pts, numFrames + (BLOCKSIZE - outFrames)); 11404ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&t.buffer, outputPTS); 114165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 114265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) { 114365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 114465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 114565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 114865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 114965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, BLOCKSIZE); 115265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += BLOCKSIZE; 115365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames += BLOCKSIZE; 115465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (numFrames < state->frameCount); 115565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 115765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // release each track's buffer 115865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 115965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 116065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 116165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 116265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 116365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 116465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 116565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 116665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 116765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1168c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten// generic code with resampling 11694ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__genericResampling(state_t* state, int64_t pts) 117065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 117154c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten // this const just means that local variable outTemp doesn't change 117265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* const outTemp = state->outputTemp; 117365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t size = sizeof(int32_t) * MAX_NUM_CHANNELS * state->frameCount; 117465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 117565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 117665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 117765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 117865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 117965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer 118065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to optimize cache use 118165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 118265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 118365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 118465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 118565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 118665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 118765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 118865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 1189f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 119065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 119165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 119265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 119365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 119465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 11952151d7b8c2dd77c9887691db30396937be778141Yuuhi Yamaguchi memset(outTemp, 0, size); 119665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 119765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e1); 119865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 119965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 120065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 1201f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED)) { 120265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer; 120365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 120465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 120565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this is a little goofy, on the resampling case we don't 120665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire/release the buffers because it's done by 120765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the resampler. 120865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((t.needs & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 12094ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.resampler->setPTS(pts); 1210a111792f1314479c649d1d44c30c2caf70c00c2aGlenn Kasten t.hook(&t, outTemp, numFrames, state->resampleTemp, aux); 121165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 121265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 121365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = 0; 121465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 121565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames < numFrames) { 121665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = numFrames - outFrames; 12174ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t, pts, outFrames); 12184ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&t.buffer, outputPTS); 121965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 122065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 122165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 122265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) break; 122365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1224f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 122565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += outFrames; 122665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 1227a111792f1314479c649d1d44c30c2caf70c00c2aGlenn Kasten t.hook(&t, outTemp + outFrames*MAX_NUM_CHANNELS, t.buffer.frameCount, state->resampleTemp, aux); 122865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames += t.buffer.frameCount; 122965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 123065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, numFrames); 123465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 123665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 123765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// one track, 16 bits stereo without resampling is the most common case 12384ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state, 12394ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 124065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 124199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // This method is only called when state->enabledTracks has exactly 124299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // one bit set. The asserts below would verify this, but are commented out 124399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // since the whole point of this method is to optimize performance. 12445798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten //ALOG_ASSERT(0 != state->enabledTracks, "no tracks enabled"); 124565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(state->enabledTracks); 12465798d4ebf236357a4b13246f40e52b90a34d09a4Glenn Kasten //ALOG_ASSERT((1 << i) == state->enabledTracks, "more than 1 track enabled"); 124765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t = state->tracks[i]; 124865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 124965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b(t.buffer); 125065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 125165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t.mainBuffer; 125265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 125365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 125465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t.volume[0]; 125565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t.volume[1]; 125665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t.volumeRL; 125765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 125865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b.frameCount = numFrames; 12594ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t, pts, out - t.mainBuffer); 12604ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&b, outputPTS); 126154c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = b.i16; 126265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 126365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // in == NULL can happen if the track was flushed just after having 126465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 126565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (in == NULL || ((unsigned long)in & 3)) { 126665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(out, 0, numFrames*MAX_NUM_CHANNELS*sizeof(int16_t)); 126729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(((unsigned long)in & 3), "process stereo track: input buffer alignment pb: buffer %p track %d, channels %d, needs %08x", 126865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in, i, t.channelCount, t.needs); 126965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 127065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 127165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = b.frameCount; 127265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1273f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(uint32_t(vl) > UNITY_GAIN || uint32_t(vr) > UNITY_GAIN)) { 127465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // volume is boosted, so we might need to clamp even though 127565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we process only one track. 127665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 127754c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 127865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 127965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 128065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 128165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 128265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 128365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 128465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 128565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 128665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 128765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 128854c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 128965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 129065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 129165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 129265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 129365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 129465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 129565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= b.frameCount; 129665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&b); 129765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 129865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 129965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 130081a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#if 0 130165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 2 tracks is also a common case 130265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NEVER used in current implementation of process__validate() 130365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// only use if the 2 tracks have the same output buffer 13044ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state, 13054ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 130665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 130765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i; 130865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 130965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 131065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 131165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t0 = state->tracks[i]; 131265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b0(t0.buffer); 131365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 131465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 131565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 131665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t1 = state->tracks[i]; 131765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b1(t1.buffer); 131865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 131954c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in0; 132065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl0 = t0.volume[0]; 132165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr0 = t0.volume[1]; 132265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount0 = 0; 132365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 132454c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in1; 132565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl1 = t1.volume[0]; 132665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr1 = t1.volume[1]; 132765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount1 = 0; 132865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 132965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //FIXME: only works if two tracks use same buffer 133065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t0.mainBuffer; 133165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 133254c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *buff = NULL; 133365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 133465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 133565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 133665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 133765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 133865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 13394ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t0, pts, 13404ff14bae91075eb274eb1c2975982358946e7e63John Grossman out - t0.mainBuffer); 13414ff14bae91075eb274eb1c2975982358946e7e63John Grossman t0.bufferProvider->getNextBuffer(&b0, outputPTS); 134265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b0.i16 == NULL) { 134365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 134465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 134565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 134665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = buff; 134765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 134865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 134965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = b0.i16; 135065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 135165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 = b0.frameCount; 135265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 135365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 135465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 13554ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t1, pts, 13564ff14bae91075eb274eb1c2975982358946e7e63John Grossman out - t0.mainBuffer); 13574ff14bae91075eb274eb1c2975982358946e7e63John Grossman t1.bufferProvider->getNextBuffer(&b1, outputPTS); 135865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b1.i16 == NULL) { 135965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 136065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 136165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 136265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = buff; 136365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 1364c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 136565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = b1.i16; 136665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 136765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 = b1.frameCount; 136865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 136965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 137065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1; 137165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 137265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= outFrames; 137365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 -= outFrames; 137465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 -= outFrames; 137565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 137665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 137765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l0 = *in0++; 137865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r0 = *in0++; 137965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l0 = mul(l0, vl0); 138065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r0 = mul(r0, vr0); 138165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in1++; 138265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = *in1++; 138365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = mulAdd(l, vl1, l0) >> 12; 138465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = mulAdd(r, vr1, r0) >> 12; 138565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 138665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 138765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 138865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 138965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 139065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 139165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 139265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->releaseBuffer(&b0); 139365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 139465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 139565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&b1); 139665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 139765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 139865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1399e9dd0176933d6233916c84e18f3e8c0d644ca05dGlenn Kasten delete [] buff; 140065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 140181a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#endif 140265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14034ff14bae91075eb274eb1c2975982358946e7e63John Grossmanint64_t AudioMixer::calculateOutputPTS(const track_t& t, int64_t basePTS, 14044ff14bae91075eb274eb1c2975982358946e7e63John Grossman int outputFrameIndex) 14054ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 14064ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (AudioBufferProvider::kInvalidPTS == basePTS) 14074ff14bae91075eb274eb1c2975982358946e7e63John Grossman return AudioBufferProvider::kInvalidPTS; 14084ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14094ff14bae91075eb274eb1c2975982358946e7e63John Grossman return basePTS + ((outputFrameIndex * t.localTimeFreq) / t.sampleRate); 14104ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14114ff14bae91075eb274eb1c2975982358946e7e63John Grossman 141265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 141365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1414