AudioMixer.cpp revision 3b21c50ef95fe4e7ac3426ca14b365749e66ff08
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 290d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi#include <cutils/bitops.h> 300d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 310d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi#include <system/audio.h> 320d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 333b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten#include <audio_utils/primitives.h> 343b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioMixer.h" 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioMixer::AudioMixer(size_t frameCount, uint32_t sampleRate) 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : mActiveTrack(0), mTrackNames(0), mSampleRate(sampleRate) 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.enabledTracks= 0; 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged = 0; 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.frameCount = frameCount; 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.outputTemp = 0; 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.resampleTemp = 0; 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__nop; 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i=0 ; i<32 ; i++) { 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->needs = 0; 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[0] = UNITY_GAIN; 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[1] = UNITY_GAIN; 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[0] = 0; 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[1] = 0; 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxLevel = 0; 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxInc = 0; 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->channelCount = 2; 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->enabled = 0; 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->format = 16; 620d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi t->channelMask = AUDIO_CHANNEL_OUT_STEREO; 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->buffer.raw = 0; 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->bufferProvider = 0; 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->hook = 0; 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler = 0; 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->sampleRate = mSampleRate; 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = 0; 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->mainBuffer = NULL; 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxBuffer = NULL; 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t++; 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 7465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioMixer::~AudioMixer() 7665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 7765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 7865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i=0 ; i<32 ; i++) { 7965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete t->resampler; 8065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t++; 8165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] mState.outputTemp; 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] mState.resampleTemp; 8465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int AudioMixer::getTrackName() 8765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 8865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t names = mTrackNames; 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t mask = 1; 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = 0; 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (names & mask) { 9265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mask <<= 1; 9365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n++; 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 9565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("add track (%d)", n); 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTrackNames |= mask; 9865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return TRACK0 + n; 9965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return -1; 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian void AudioMixer::invalidateState(uint32_t mask) 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged |= mask; 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__validate; 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian void AudioMixer::deleteTrackName(int name) 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian name -= TRACK0; 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (uint32_t(name) < MAX_NUM_TRACKS) { 1153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("deleteTrackName(%d)", name); 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track(mState.tracks[ name ]); 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.enabled != 0) { 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.enabled = 0; 11965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<name); 12065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.resampler) { 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // delete the resampler 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete track.resampler; 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.resampler = 0; 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.sampleRate = mSampleRate; 12665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<name); 12765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[0] = 0; 12965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[1] = 0; 13065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTrackNames &= ~(1<<name); 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::enable(int name) 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (name) { 13765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case MIXING: { 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].enabled != 1) { 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].enabled = 1; 1403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("enable(%d)", mActiveTrack); 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 14265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } break; 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NAME_NOT_FOUND; 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 14865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 14965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::disable(int name) 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (name) { 15365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case MIXING: { 15465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].enabled != 0) { 15565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].enabled = 0; 1563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("disable(%d)", mActiveTrack); 15765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 15865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } break; 16065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 16165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NAME_NOT_FOUND; 16265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 16465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 16665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::setActiveTrack(int track) 16765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 16865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (uint32_t(track-TRACK0) >= MAX_NUM_TRACKS) { 16965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 17065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mActiveTrack = track - TRACK0; 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 17465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::setParameter(int target, int name, void *value) 17665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int valueInt = (int)value; 17865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *valueBuf = (int32_t *)value; 17965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (target) { 18165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case TRACK: 1820d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (name == CHANNEL_MASK) { 1830d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t mask = (uint32_t)value; 1840d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (mState.tracks[ mActiveTrack ].channelMask != mask) { 1850d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint8_t channelCount = popcount(mask); 1860d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if ((channelCount <= MAX_NUM_CHANNELS) && (channelCount)) { 1870d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mState.tracks[ mActiveTrack ].channelMask = mask; 1880d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mState.tracks[ mActiveTrack ].channelCount = channelCount; 1893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, CHANNEL_MASK, %x)", mask); 19065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 1910d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi return NO_ERROR; 19265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 1930d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi } else { 19465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 19565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (name == MAIN_BUFFER) { 19865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].mainBuffer != valueBuf) { 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].mainBuffer = valueBuf; 2003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, MAIN_BUFFER, %p)", valueBuf); 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (name == AUX_BUFFER) { 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mState.tracks[ mActiveTrack ].auxBuffer != valueBuf) { 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].auxBuffer = valueBuf; 2083856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, AUX_BUFFER, %p)", valueBuf); 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RESAMPLE: 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (name == SAMPLE_RATE) { 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (valueInt > 0) { 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track = mState.tracks[ mActiveTrack ]; 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.setResampler(uint32_t(valueInt), mSampleRate)) { 2203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(RESAMPLE, SAMPLE_RATE, %u)", 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t(valueInt)); 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 227243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent if (name == RESET) { 228243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent track_t& track = mState.tracks[ mActiveTrack ]; 229243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent track.resetResampler(); 230243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent invalidateState(1<<mActiveTrack); 231243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent return NO_ERROR; 232243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent } 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RAMP_VOLUME: 23565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case VOLUME: 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((uint32_t(name-VOLUME0) < MAX_NUM_CHANNELS)) { 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track = mState.tracks[ mActiveTrack ]; 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.volume[name-VOLUME0] != valueInt) { 2393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, VOLUME0/1: %04x)", valueInt); 24065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevVolume[name-VOLUME0] = track.volume[name-VOLUME0] << 16; 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volume[name-VOLUME0] = valueInt; 24265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 24365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevVolume[name-VOLUME0] = valueInt << 16; 24465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[name-VOLUME0] = 0; 24565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 24665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevVolume[name-VOLUME0]; 24765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.volumeInc[name-VOLUME0] = volInc; 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevVolume[name-VOLUME0] = valueInt << 16; 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (name == AUXLEVEL) { 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& track = mState.tracks[ mActiveTrack ]; 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.auxLevel != valueInt) { 2593856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, AUXLEVEL: %04x)", valueInt); 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = track.auxLevel << 16; 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxLevel = valueInt; 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = 0; 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevAuxLevel; 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = volInc; 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian invalidateState(1<<mActiveTrack); 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 28065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::setResampler(uint32_t value, uint32_t devSampleRate) 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (value!=devSampleRate || resampler) { 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sampleRate != value) { 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sampleRate = value; 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampler == 0) { 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampler = AudioResampler::create( 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian format, channelCount, devSampleRate); 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::doesResample() const 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return resampler != 0; 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 302243f5f91755c01614a8cafe90b0806396e22d553Eric Laurentvoid AudioMixer::track_t::resetResampler() 303243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent{ 304243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent if (resampler != 0) { 305243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent resampler->reset(); 306243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent } 307243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent} 308243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianinline 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track_t::adjustVolumeRamp(bool aux) 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i=0 ; i<2 ; i++) { 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((volumeInc[i]>0) && (((prevVolume[i]+volumeInc[i])>>16) >= volume[i])) || 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((volumeInc[i]<0) && (((prevVolume[i]+volumeInc[i])>>16) <= volume[i]))) { 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeInc[i] = 0; 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevVolume[i] = volume[i]<<16; 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux) { 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((auxInc>0) && (((prevAuxLevel+auxInc)>>16) >= auxLevel)) || 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((auxInc<0) && (((prevAuxLevel+auxInc)>>16) <= auxLevel))) { 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian auxInc = 0; 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevAuxLevel = auxLevel<<16; 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 32765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioMixer::setBufferProvider(AudioBufferProvider* buffer) 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.tracks[ mActiveTrack ].bufferProvider = buffer; 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process() 33865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook(&mState); 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__validate(state_t* state) 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW_IF(!state->needsChanged, 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "in process__validate() but nothing's invalid"); 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t changed = state->needsChanged; 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->needsChanged = 0; // clear the validation flag 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // recompute which tracks are enabled / disabled 35265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabled = 0; 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t disabled = 0; 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (changed) { 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(changed); 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t mask = 1<<i; 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian changed &= ~mask; 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.enabled ? enabled : disabled) |= mask; 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks &= ~disabled; 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks |= enabled; 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // compute everything we need... 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int countActiveTracks = 0; 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int all16BitsStereoNoResample = 1; 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int resampling = 0; 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int volumeRamp = 0; 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks++; 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t n = 0; 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_CHANNEL_1 + t.channelCount - 1; 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_FORMAT_16; 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= t.doesResample() ? NEEDS_RESAMPLE_ENABLED : NEEDS_RESAMPLE_DISABLED; 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.auxLevel != 0 && t.auxBuffer != NULL) { 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_AUX_ENABLED; 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.volumeInc[0]|t.volumeInc[1]) { 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRamp = 1; 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (!t.doesResample() && t.volumeRL == 0) { 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_MUTE_ENABLED; 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs = n; 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_MUTE__MASK) == NEEDS_MUTE_ENABLED) { 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampling = 1; 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__genericResample; 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_1){ 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsMono; 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_2){ 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsStereo; 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // select the processing hooks 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampling) { 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->outputTemp) { 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->resampleTemp) { 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericResampling; 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->outputTemp) { 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->outputTemp; 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = 0; 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->resampleTemp) { 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->resampleTemp; 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = 0; 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericNoResampling; 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (all16BitsStereoNoResample && !volumeRamp) { 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4423856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mixer configuration change: %d activeTracks (%08x) " 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "all16BitsStereoNoResample=%d, resampling=%d, volumeRamp=%d", 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks, state->enabledTracks, 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample, resampling, volumeRamp); 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook(state); 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Now that the volume ramp has been done, set optimal state and 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // track hooks for subsequent mixer process 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int allMuted = 1; 45365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 45465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 45565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 45665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 45765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 45865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!t.doesResample() && t.volumeRL == 0) 45965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 46065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs |= NEEDS_MUTE_ENABLED; 46165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 46265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 46365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian allMuted = 0; 46465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 46565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 46665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (allMuted) { 46765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 46865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (all16BitsStereoNoResample) { 46965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 47065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 47165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 47265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 47365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 47465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 47565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__genericResample(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 47865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 47965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setSampleRate(t->sampleRate); 48065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain - resample to temp buffer and scale/mix in 2nd step 48265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux != NULL) { 48365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // always resample with unity gain when sending to auxiliary buffer to be able 48465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to apply send level after resampling 48565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // TODO: modify each resampler to support aux channel? 48665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 48865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 48965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 49165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeStereo(t, out, outFrameCount, temp, aux); 49365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 49465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 49565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 49865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 49965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 50065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 50365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 50465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(t->volume[0], t->volume[1]); 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(out, outFrameCount, t->bufferProvider); 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__nop(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 51165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 51265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 51565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 51665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 51765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 51865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 51965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 52065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //LOGD("[0] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 52265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 52365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp volume 52665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 52765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 52865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 52965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 53065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 53165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 53365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (*temp++ >> 12); 53465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (*temp++ >> 12); 53565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 53665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 53765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 53865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 53965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 54065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 54165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 54265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 54565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (*temp++ >> 12); 54665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (*temp++ >> 12); 54765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 54865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 54965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 55065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 55165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 55265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 55365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp((aux != NULL)); 55465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 55565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 55665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 56065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 56265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 56465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 56565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 56765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)l + r) >> 1); 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 56965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 57265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 57365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 57465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 57565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 57665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 57865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 58065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 58165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 58365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 58565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = static_cast<int16_t const *>(t->in); 58765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 59165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 59265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 59365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 59465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 59565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 59865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 60265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 60465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (int32_t)*in++; 60565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (int32_t)*in++; 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 60865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)in[0] + in[1]) >> 1); 62765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 63165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (int32_t) *in++; 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (int32_t) *in++; 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 66965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 67365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsMono(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 67565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 67665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = static_cast<int16_t const *>(t->in); 67765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 16) * l; 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 71765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(l, va, aux[0]); 71865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 72265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 72365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 72465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 72565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 72665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 72865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 72965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 73165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 73565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// no-op case 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__nop(state_t* state) 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 76465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t bufSize = state->frameCount * sizeof(int16_t) * MAX_NUM_CHANNELS; 76565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 76765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // avoid multiple memset() on same buffer 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i = 31 - __builtin_clz(e1); 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[i]; 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e2); 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 77565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[i]; 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 77965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(t1.mainBuffer, 0, bufSize); 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e1); 78665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1 = state->tracks[i]; 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = state->frameCount; 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.buffer.frameCount = outFrames; 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&t1.buffer); 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!t1.buffer.raw) break; 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= t1.buffer.frameCount; 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&t1.buffer); 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// generic code without resampling 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericNoResampling(state_t* state) 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t outTemp[BLOCKSIZE * MAX_NUM_CHANNELS] __attribute__((aligned(32))); 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire each track's buffer 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabledTracks = state->enabledTracks; 80765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = enabledTracks; 80865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 80965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 81065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 81165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 81265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = state->frameCount; 81365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 81465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 81565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 81665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 81765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 81865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) 81965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 82065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 82165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 82265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 82565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // optimize cache use 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this assumes output 16 bits stereo, no resampling 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = 0; 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(outTemp, 0, sizeof(outTemp)); 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 = e1; 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e2); 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = BLOCKSIZE; 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer + numFrames; 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t inFrames = (t.frameCount > outFrames)?outFrames:t.frameCount; 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (inFrames) { 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + (BLOCKSIZE-outFrames)*MAX_NUM_CHANNELS, inFrames, state->resampleTemp, aux); 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount -= inFrames; 85965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= inFrames; 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += inFrames; 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.frameCount == 0 && outFrames) { 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = (state->frameCount - numFrames) - (BLOCKSIZE - outFrames); 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) { 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, BLOCKSIZE); 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += BLOCKSIZE; 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames += BLOCKSIZE; 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (numFrames < state->frameCount); 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // release each track's buffer 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 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.bufferProvider->releaseBuffer(&t.buffer); 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // generic code with resampling 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericResampling(state_t* state) 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* const outTemp = state->outputTemp; 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t size = sizeof(int32_t) * MAX_NUM_CHANNELS * state->frameCount; 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to optimize cache use 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 9212151d7b8c2dd77c9887691db30396937be778141Yuuhi Yamaguchi memset(outTemp, 0, size); 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e1); 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer; 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this is a little goofy, on the resampling case we don't 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire/release the buffers because it's done by 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the resampler. 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((t.needs & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp, numFrames, state->resampleTemp, aux); 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = 0; 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames < numFrames) { 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = numFrames - outFrames; 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) break; 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += outFrames; 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + outFrames*MAX_NUM_CHANNELS, t.buffer.frameCount, state->resampleTemp, aux); 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames += t.buffer.frameCount; 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, numFrames); 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// one track, 16 bits stereo without resampling is the most common case 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state) 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(state->enabledTracks); 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t = state->tracks[i]; 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b(t.buffer); 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t.mainBuffer; 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t.volume[0]; 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t.volume[1]; 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t.volumeRL; 97565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b.frameCount = numFrames; 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&b); 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = b.i16; 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // in == NULL can happen if the track was flushed just after having 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (in == NULL || ((unsigned long)in & 3)) { 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(out, 0, numFrames*MAX_NUM_CHANNELS*sizeof(int16_t)); 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE_IF(((unsigned long)in & 3), "process stereo track: input buffer alignment pb: buffer %p track %d, channels %d, needs %08x", 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in, i, t.channelCount, t.needs); 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = b.frameCount; 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (UNLIKELY(uint32_t(vl) > UNITY_GAIN || uint32_t(vr) > UNITY_GAIN)) { 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // volume is boosted, so we might need to clamp even though 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we process only one track. 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 99765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 99865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 101065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 101165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= b.frameCount; 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&b); 101465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 101565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 2 tracks is also a common case 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NEVER used in current implementation of process__validate() 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// only use if the 2 tracks have the same output buffer 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state) 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 102265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i; 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t0 = state->tracks[i]; 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b0(t0.buffer); 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t1 = state->tracks[i]; 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b1(t1.buffer); 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in0; 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl0 = t0.volume[0]; 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr0 = t0.volume[1]; 103765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount0 = 0; 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in1; 104065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl1 = t1.volume[0]; 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr1 = t1.volume[1]; 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount1 = 0; 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //FIXME: only works if two tracks use same buffer 104565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t0.mainBuffer; 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *buff = NULL; 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 105165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 105365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->getNextBuffer(&b0); 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b0.i16 == NULL) { 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = buff; 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = b0.i16; 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 = b0.frameCount; 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&b1); 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b1.i16 == NULL) { 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = buff; 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = b1.i16; 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 = b1.frameCount; 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1; 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= outFrames; 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 -= outFrames; 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 -= outFrames; 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l0 = *in0++; 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r0 = *in0++; 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l0 = mul(l0, vl0); 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r0 = mul(r0, vr0); 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in1++; 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = *in1++; 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = mulAdd(l, vl1, l0) >> 12; 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = mulAdd(r, vr1, r0) >> 12; 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->releaseBuffer(&b0); 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&b1); 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff != NULL) { 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] buff; 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1118