AudioMixer.cpp revision 65ab47156e1c7dfcd8cc4266253a5ff30219e7f0
165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian/* //device/include/server/AudioFlinger/AudioMixer.cpp 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 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioMixer.h" 3065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 3265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic inline int16_t clamp16(int32_t sample) 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((sample>>15) ^ (sample>>31)) 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sample = 0x7FFF ^ (sample>>31); 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return sample; 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioMixer::AudioMixer(size_t frameCount, uint32_t sampleRate) 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : mActiveTrack(0), mTrackNames(0), mSampleRate(sampleRate) 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.enabledTracks= 0; 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged = 0; 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.frameCount = frameCount; 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.outputTemp = 0; 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.resampleTemp = 0; 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__nop; 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i=0 ; i<32 ; i++) { 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->needs = 0; 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[0] = UNITY_GAIN; 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[1] = UNITY_GAIN; 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[0] = 0; 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[1] = 0; 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxLevel = 0; 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxInc = 0; 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->channelCount = 2; 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->enabled = 0; 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->format = 16; 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->buffer.raw = 0; 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->bufferProvider = 0; 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->hook = 0; 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler = 0; 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->sampleRate = mSampleRate; 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = 0; 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->mainBuffer = NULL; 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxBuffer = NULL; 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t++; 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 7465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 7565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioMixer::~AudioMixer() 7765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 7865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 7965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i=0 ; i<32 ; i++) { 8065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete t->resampler; 8165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t++; 8265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] mState.outputTemp; 8465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] mState.resampleTemp; 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int AudioMixer::getTrackName() 8865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t names = mTrackNames; 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t mask = 1; 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = 0; 9265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (names & mask) { 9365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mask <<= 1; 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n++; 9565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 9665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("add track (%d)", n); 9865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTrackNames |= mask; 9965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return TRACK0 + n; 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return -1; 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian void AudioMixer::invalidateState(uint32_t mask) 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged |= mask; 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__validate; 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian void AudioMixer::deleteTrackName(int name) 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian name -= TRACK0; 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (uint32_t(name) < MAX_NUM_TRACKS) { 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("deleteTrackName(%d)", name); 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track(mState.tracks[ name ]); 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.enabled != 0) { 11965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.enabled = 0; 12065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<name); 12165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.resampler) { 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // delete the resampler 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete track.resampler; 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.resampler = 0; 12665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.sampleRate = mSampleRate; 12765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<name); 12865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[0] = 0; 13065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[1] = 0; 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTrackNames &= ~(1<<name); 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::enable(int name) 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 13765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (name) { 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case MIXING: { 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].enabled != 1) { 14065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].enabled = 1; 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("enable(%d)", mActiveTrack); 14265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } break; 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NAME_NOT_FOUND; 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 14965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::disable(int name) 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 15365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (name) { 15465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case MIXING: { 15565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].enabled != 0) { 15665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].enabled = 0; 15765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("disable(%d)", mActiveTrack); 15865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 15965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } break; 16165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 16265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NAME_NOT_FOUND; 16365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 16665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 16765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::setActiveTrack(int track) 16865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 16965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (uint32_t(track-TRACK0) >= MAX_NUM_TRACKS) { 17065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mActiveTrack = track - TRACK0; 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 17465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 17565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::setParameter(int target, int name, void *value) 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 17865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int valueInt = (int)value; 17965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *valueBuf = (int32_t *)value; 18065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (target) { 18265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case TRACK: 18365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (name == CHANNEL_COUNT) { 18465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((uint32_t(valueInt) <= MAX_NUM_CHANNELS) && (valueInt)) { 18565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].channelCount != valueInt) { 18665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].channelCount = valueInt; 18765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("setParameter(TRACK, CHANNEL_COUNT, %d)", valueInt); 18865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 18965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 19165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (name == MAIN_BUFFER) { 19465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].mainBuffer != valueBuf) { 19565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].mainBuffer = valueBuf; 19665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("setParameter(TRACK, MAIN_BUFFER, %p)", valueBuf); 19765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 19865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (name == AUX_BUFFER) { 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].auxBuffer != valueBuf) { 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].auxBuffer = valueBuf; 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("setParameter(TRACK, AUX_BUFFER, %p)", valueBuf); 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RESAMPLE: 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (name == SAMPLE_RATE) { 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (valueInt > 0) { 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track = mState.tracks[ mActiveTrack ]; 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.setResampler(uint32_t(valueInt), mSampleRate)) { 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("setParameter(RESAMPLE, SAMPLE_RATE, %u)", 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t(valueInt)); 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RAMP_VOLUME: 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case VOLUME: 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((uint32_t(name-VOLUME0) < MAX_NUM_CHANNELS)) { 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track = mState.tracks[ mActiveTrack ]; 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.volume[name-VOLUME0] != valueInt) { 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("setParameter(VOLUME, VOLUME0/1: %04x)", valueInt); 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevVolume[name-VOLUME0] = track.volume[name-VOLUME0] << 16; 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volume[name-VOLUME0] = valueInt; 23265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevVolume[name-VOLUME0] = valueInt << 16; 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[name-VOLUME0] = 0; 23565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevVolume[name-VOLUME0]; 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[name-VOLUME0] = volInc; 23965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 24065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevVolume[name-VOLUME0] = valueInt << 16; 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 24265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 24365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 24465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 24565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 24665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (name == AUXLEVEL) { 24765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track = mState.tracks[ mActiveTrack ]; 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.auxLevel != valueInt) { 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("setParameter(VOLUME, AUXLEVEL: %04x)", valueInt); 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = track.auxLevel << 16; 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxLevel = valueInt; 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = 0; 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevAuxLevel; 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = volInc; 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::setResampler(uint32_t value, uint32_t devSampleRate) 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (value!=devSampleRate || resampler) { 27565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sampleRate != value) { 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sampleRate = value; 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampler == 0) { 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampler = AudioResampler::create( 27965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian format, channelCount, devSampleRate); 28065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::doesResample() const 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return resampler != 0; 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 29165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianinline 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track_t::adjustVolumeRamp(bool aux) 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i=0 ; i<2 ; i++) { 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((volumeInc[i]>0) && (((prevVolume[i]+volumeInc[i])>>16) >= volume[i])) || 29765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((volumeInc[i]<0) && (((prevVolume[i]+volumeInc[i])>>16) <= volume[i]))) { 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeInc[i] = 0; 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevVolume[i] = volume[i]<<16; 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux) { 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((auxInc>0) && (((prevAuxLevel+auxInc)>>16) >= auxLevel)) || 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((auxInc<0) && (((prevAuxLevel+auxInc)>>16) <= auxLevel))) { 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian auxInc = 0; 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevAuxLevel = auxLevel<<16; 30765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::setBufferProvider(AudioBufferProvider* buffer) 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].bufferProvider = buffer; 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process() 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook(&mState); 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__validate(state_t* state) 32765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW_IF(!state->needsChanged, 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "in process__validate() but nothing's invalid"); 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t changed = state->needsChanged; 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->needsChanged = 0; // clear the validation flag 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // recompute which tracks are enabled / disabled 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabled = 0; 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t disabled = 0; 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (changed) { 33865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(changed); 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t mask = 1<<i; 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian changed &= ~mask; 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.enabled ? enabled : disabled) |= mask; 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks &= ~disabled; 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks |= enabled; 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // compute everything we need... 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int countActiveTracks = 0; 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int all16BitsStereoNoResample = 1; 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int resampling = 0; 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int volumeRamp = 0; 35265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks++; 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t n = 0; 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_CHANNEL_1 + t.channelCount - 1; 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_FORMAT_16; 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= t.doesResample() ? NEEDS_RESAMPLE_ENABLED : NEEDS_RESAMPLE_DISABLED; 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.auxLevel != 0 && t.auxBuffer != NULL) { 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_AUX_ENABLED; 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.volumeInc[0]|t.volumeInc[1]) { 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRamp = 1; 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (!t.doesResample() && t.volumeRL == 0) { 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_MUTE_ENABLED; 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs = n; 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_MUTE__MASK) == NEEDS_MUTE_ENABLED) { 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampling = 1; 38365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__genericResample; 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_1){ 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsMono; 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_2){ 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsStereo; 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // select the processing hooks 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampling) { 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->outputTemp) { 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->resampleTemp) { 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericResampling; 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->outputTemp) { 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->outputTemp; 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = 0; 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->resampleTemp) { 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->resampleTemp; 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = 0; 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericNoResampling; 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (all16BitsStereoNoResample && !volumeRamp) { 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGV("mixer configuration change: %d activeTracks (%08x) " 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "all16BitsStereoNoResample=%d, resampling=%d, volumeRamp=%d", 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks, state->enabledTracks, 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample, resampling, volumeRamp); 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook(state); 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Now that the volume ramp has been done, set optimal state and 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // track hooks for subsequent mixer process 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int allMuted = 1; 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 44165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!t.doesResample() && t.volumeRL == 0) 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs |= NEEDS_MUTE_ENABLED; 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian allMuted = 0; 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (allMuted) { 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (all16BitsStereoNoResample) { 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 45365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 45465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 45865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 45965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic inline 46065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t mulAdd(int16_t in, int16_t v, int32_t a) 46165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 46265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#if defined(__arm__) && !defined(__thumb__) 46365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t out; 46465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian asm( "smlabb %[out], %[in], %[v], %[a] \n" 46565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [out]"=r"(out) 46665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [in]"%r"(in), [v]"r"(v), [a]"r"(a) 46765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : ); 46865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return out; 46965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#else 47065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return a + in * int32_t(v); 47165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#endif 47265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 47365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic inline 47565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t mul(int16_t in, int16_t v) 47665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 47765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#if defined(__arm__) && !defined(__thumb__) 47865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t out; 47965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian asm( "smulbb %[out], %[in], %[v] \n" 48065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [out]"=r"(out) 48165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [in]"%r"(in), [v]"r"(v) 48265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : ); 48365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return out; 48465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#else 48565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return in * int32_t(v); 48665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#endif 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 48865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic inline 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t mulAddRL(int left, uint32_t inRL, uint32_t vRL, int32_t a) 49165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#if defined(__arm__) && !defined(__thumb__) 49365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t out; 49465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (left) { 49565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian asm( "smlabb %[out], %[inRL], %[vRL], %[a] \n" 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [out]"=r"(out) 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [inRL]"%r"(inRL), [vRL]"r"(vRL), [a]"r"(a) 49865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : ); 49965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 50065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian asm( "smlatt %[out], %[inRL], %[vRL], %[a] \n" 50165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [out]"=r"(out) 50265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [inRL]"%r"(inRL), [vRL]"r"(vRL), [a]"r"(a) 50365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : ); 50465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return out; 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#else 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (left) { 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return a + int16_t(inRL&0xFFFF) * int16_t(vRL&0xFFFF); 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return a + int16_t(inRL>>16) * int16_t(vRL>>16); 51165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 51265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#endif 51365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic inline 51665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t mulRL(int left, uint32_t inRL, uint32_t vRL) 51765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 51865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#if defined(__arm__) && !defined(__thumb__) 51965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t out; 52065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (left) { 52165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian asm( "smulbb %[out], %[inRL], %[vRL] \n" 52265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [out]"=r"(out) 52365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [inRL]"%r"(inRL), [vRL]"r"(vRL) 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : ); 52565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 52665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian asm( "smultt %[out], %[inRL], %[vRL] \n" 52765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [out]"=r"(out) 52865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : [inRL]"%r"(inRL), [vRL]"r"(vRL) 52965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : ); 53065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 53165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return out; 53265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#else 53365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (left) { 53465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return int16_t(inRL&0xFFFF) * int16_t(vRL&0xFFFF); 53565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 53665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return int16_t(inRL>>16) * int16_t(vRL>>16); 53765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 53865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#endif 53965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 54065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 54165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 54265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__genericResample(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setSampleRate(t->sampleRate); 54565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 54665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain - resample to temp buffer and scale/mix in 2nd step 54765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux != NULL) { 54865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // always resample with unity gain when sending to auxiliary buffer to be able 54965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to apply send level after resampling 55065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // TODO: modify each resampler to support aux channel? 55165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 55265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 55365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 55465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 55565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 55665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeStereo(t, out, outFrameCount, temp, aux); 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 56065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 56265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 56465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 56565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 56765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 56965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(t->volume[0], t->volume[1]); 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(out, outFrameCount, t->bufferProvider); 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 57265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 57365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 57465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 57565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__nop(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 57665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 57865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 58065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 58165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 58365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 58565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //LOGD("[0] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 58765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp volume 59165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 59265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 59365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 59465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 59565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 59865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (*temp++ >> 12); 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (*temp++ >> 12); 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 60265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 60465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 60565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 60865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (*temp++ >> 12); 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (*temp++ >> 12); 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp((aux != NULL)); 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 62765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 63165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)l + r) >> 1); 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = static_cast<int16_t const *>(t->in); 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 66965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (int32_t)*in++; 67065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (int32_t)*in++; 67165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 67365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 67565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 67665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 67765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)in[0] + in[1]) >> 1); 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (int32_t) *in++; 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (int32_t) *in++; 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 71765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 71865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 72265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 72365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 72465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 72565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 72665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 72865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 72965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 73165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 73565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsMono(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = static_cast<int16_t const *>(t->in); 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 16) * l; 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 76465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 76565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 77565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 77965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(l, va, aux[0]); 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 79765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 80065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 80765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 80865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 80965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 81065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 81165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 81265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 81365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 81465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 81565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 81665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 81765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 81865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 81965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 82065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 82165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 82265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 82565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::ditherAndClamp(int32_t* out, int32_t const *sums, size_t c) 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (size_t i=0 ; i<c ; i++) { 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *sums++; 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = *sums++; 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t nl = l >> 12; 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t nr = r >> 12; 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(nl); 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(nr); 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// no-op case 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__nop(state_t* state) 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t bufSize = state->frameCount * sizeof(int16_t) * MAX_NUM_CHANNELS; 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // avoid multiple memset() on same buffer 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i = 31 - __builtin_clz(e1); 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[i]; 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e2); 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[i]; 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 85965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(t1.mainBuffer, 0, bufSize); 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e1); 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1 = state->tracks[i]; 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = state->frameCount; 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.buffer.frameCount = outFrames; 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&t1.buffer); 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!t1.buffer.raw) break; 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= t1.buffer.frameCount; 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&t1.buffer); 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// generic code without resampling 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericNoResampling(state_t* state) 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t outTemp[BLOCKSIZE * MAX_NUM_CHANNELS] __attribute__((aligned(32))); 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire each track's buffer 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabledTracks = state->enabledTracks; 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = enabledTracks; 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = state->frameCount; 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // optimize cache use 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this assumes output 16 bits stereo, no resampling 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = 0; 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(outTemp, 0, sizeof(outTemp)); 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 = e1; 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e2); 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = BLOCKSIZE; 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer + numFrames; 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t inFrames = (t.frameCount > outFrames)?outFrames:t.frameCount; 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (inFrames) { 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + (BLOCKSIZE-outFrames)*MAX_NUM_CHANNELS, inFrames, state->resampleTemp, aux); 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount -= inFrames; 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= inFrames; 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += inFrames; 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.frameCount == 0 && outFrames) { 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = (state->frameCount - numFrames) - (BLOCKSIZE - outFrames); 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) { 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, BLOCKSIZE); 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += BLOCKSIZE; 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames += BLOCKSIZE; 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (numFrames < state->frameCount); 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // release each track's buffer 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // generic code with resampling 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericResampling(state_t* state) 97565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* const outTemp = state->outputTemp; 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t size = sizeof(int32_t) * MAX_NUM_CHANNELS * state->frameCount; 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(outTemp, 0, size); 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to optimize cache use 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e1); 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer; 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this is a little goofy, on the resampling case we don't 101065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire/release the buffers because it's done by 101165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the resampler. 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((t.needs & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp, numFrames, state->resampleTemp, aux); 101465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 101565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = 0; 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames < numFrames) { 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = numFrames - outFrames; 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 102265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) break; 102565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += outFrames; 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + outFrames*MAX_NUM_CHANNELS, t.buffer.frameCount, state->resampleTemp, aux); 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames += t.buffer.frameCount; 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, numFrames); 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 103765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// one track, 16 bits stereo without resampling is the most common case 104065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state) 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(state->enabledTracks); 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t = state->tracks[i]; 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b(t.buffer); 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t.mainBuffer; 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t.volume[0]; 105165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t.volume[1]; 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t.volumeRL; 105365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b.frameCount = numFrames; 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&b); 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = b.i16; 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // in == NULL can happen if the track was flushed just after having 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (in == NULL || ((unsigned long)in & 3)) { 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(out, 0, numFrames*MAX_NUM_CHANNELS*sizeof(int16_t)); 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE_IF(((unsigned long)in & 3), "process stereo track: input buffer alignment pb: buffer %p track %d, channels %d, needs %08x", 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in, i, t.channelCount, t.needs); 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = b.frameCount; 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (UNLIKELY(uint32_t(vl) > UNITY_GAIN || uint32_t(vr) > UNITY_GAIN)) { 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // volume is boosted, so we might need to clamp even though 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we process only one track. 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= b.frameCount; 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&b); 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 2 tracks is also a common case 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NEVER used in current implementation of process__validate() 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// only use if the 2 tracks have the same output buffer 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state) 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i; 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t0 = state->tracks[i]; 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b0(t0.buffer); 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t1 = state->tracks[i]; 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b1(t1.buffer); 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in0; 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl0 = t0.volume[0]; 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr0 = t0.volume[1]; 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount0 = 0; 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in1; 111865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl1 = t1.volume[0]; 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr1 = t1.volume[1]; 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount1 = 0; 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //FIXME: only works if two tracks use same buffer 112365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t0.mainBuffer; 112465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *buff = NULL; 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 112965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 113165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->getNextBuffer(&b0); 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b0.i16 == NULL) { 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 113665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = buff; 113865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 114065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = b0.i16; 114165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 114265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 = b0.frameCount; 114365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 114465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 114565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&b1); 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b1.i16 == NULL) { 114865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 114965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 115065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = buff; 115265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 115365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 115465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = b1.i16; 115565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 = b1.frameCount; 115765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 115965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1; 116065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 116165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= outFrames; 116265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 -= outFrames; 116365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 -= outFrames; 116465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 116565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 116665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l0 = *in0++; 116765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r0 = *in0++; 116865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l0 = mul(l0, vl0); 116965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r0 = mul(r0, vr0); 117065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in1++; 117165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = *in1++; 117265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = mulAdd(l, vl1, l0) >> 12; 117365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = mulAdd(r, vr1, r0) >> 12; 117465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 117565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 117665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 117765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 117865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 117965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 118065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 118165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->releaseBuffer(&b0); 118265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 118365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 118465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&b1); 118565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 118665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 118765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 118865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff != NULL) { 118965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] buff; 119065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 119165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 119265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 119365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 119465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 119565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1196