AudioMixer.cpp revision 9c56d4ae6212c21ce5fd71ed534eb195983a07c1
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 21fba380a0b2c62684ce4272a05165965bae29d6a1Glenn Kasten#include <assert.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdint.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <string.h> 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdlib.h> 2565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 300d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi#include <cutils/bitops.h> 310d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 320d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi#include <system/audio.h> 330d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 343b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten#include <audio_utils/primitives.h> 353b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioMixer.h" 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioMixer::AudioMixer(size_t frameCount, uint32_t sampleRate) 439c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten : mTrackNames(0), mSampleRate(sampleRate) 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 45788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten // AudioMixer is not yet capable of multi-channel beyond stereo 46788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(2 == MAX_NUM_CHANNELS); 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.enabledTracks= 0; 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged = 0; 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.frameCount = frameCount; 50e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.outputTemp = NULL; 51e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.resampleTemp = NULL; 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__nop; 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 54bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->needs = 0; 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[0] = UNITY_GAIN; 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[1] = UNITY_GAIN; 580cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 590cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[0] 600cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[1] 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[0] = 0; 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[1] = 0; 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxLevel = 0; 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxInc = 0; 650cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 660cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevAuxLevel 670cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->frameCount 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->channelCount = 2; 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->enabled = 0; 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->format = 16; 710d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi t->channelMask = AUDIO_CHANNEL_OUT_STEREO; 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->buffer.raw = 0; 73e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->bufferProvider = NULL; 74e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->hook = NULL; 75e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->resampler = NULL; 7665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->sampleRate = mSampleRate; 77e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->in = NULL; 7865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->mainBuffer = NULL; 7965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxBuffer = NULL; 8065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t++; 8165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 84c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn KastenAudioMixer::~AudioMixer() 85c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 86c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten track_t* t = mState.tracks; 87bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 88c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete t->resampler; 89c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t++; 90c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 91c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete [] mState.outputTemp; 92c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete [] mState.resampleTemp; 93c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 95c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenint AudioMixer::getTrackName() 96c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t names = mTrackNames; 9865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t mask = 1; 9965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = 0; 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (names & mask) { 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mask <<= 1; 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n++; 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 1053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("add track (%d)", n); 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTrackNames |= mask; 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return TRACK0 + n; 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return -1; 110c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::invalidateState(uint32_t mask) 113c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged |= mask; 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__validate; 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 120c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::deleteTrackName(int name) 121c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian name -= TRACK0; 123237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 124237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten ALOGV("deleteTrackName(%d)", name); 125237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track_t& track(mState.tracks[ name ]); 126237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten if (track.enabled != 0) { 127237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.enabled = 0; 128237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten invalidateState(1<<name); 12965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 130237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten if (track.resampler) { 131237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten // delete the resampler 132237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten delete track.resampler; 133237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.resampler = NULL; 134237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.sampleRate = mSampleRate; 135237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten invalidateState(1<<name); 136237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten } 137237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.volumeInc[0] = 0; 138237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.volumeInc[1] = 0; 139237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten mTrackNames &= ~(1<<name); 140c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1429c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::enable(int name) 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1449c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1459c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1469c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 1479c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 1489c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.enabled != 1) { 1499c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.enabled = 1; 1509c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("enable(%d)", name); 1519c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 15465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1559c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::disable(int name) 15665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1579c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1589c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1599c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 1609c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 1619c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.enabled != 0) { 1629c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.enabled = 0; 1639c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("disable(%d)", name); 1649c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 16765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1689c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::setParameter(int name, int target, int param, void *value) 16965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1709c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1719c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1729c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int valueInt = (int)value; 17565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *valueBuf = (int32_t *)value; 17665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (target) { 178788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 17965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case TRACK: 1809c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 181788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case CHANNEL_MASK: { 1820d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t mask = (uint32_t)value; 1839c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.channelMask != mask) { 1840d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint8_t channelCount = popcount(mask); 185788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert((channelCount <= MAX_NUM_CHANNELS) && (channelCount)); 1869c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelMask = mask; 1879c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelCount = channelCount; 188788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(TRACK, CHANNEL_MASK, %x)", mask); 1899c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 19065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 191788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten } break; 192788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case MAIN_BUFFER: 1939c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.mainBuffer != valueBuf) { 1949c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.mainBuffer = valueBuf; 1953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, MAIN_BUFFER, %p)", valueBuf); 1969c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 19765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 198788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 199788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case AUX_BUFFER: 2009c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.auxBuffer != valueBuf) { 2019c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.auxBuffer = valueBuf; 2023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, AUX_BUFFER, %p)", valueBuf); 2039c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 205788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 206788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2079c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 208788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 211788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RESAMPLE: 2139c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 2149c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case SAMPLE_RATE: 215788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(valueInt > 0); 216788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten if (track.setResampler(uint32_t(valueInt), mSampleRate)) { 217788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(RESAMPLE, SAMPLE_RATE, %u)", 218788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten uint32_t(valueInt)); 2199c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2219c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 2229c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case RESET: 223243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent track.resetResampler(); 2249c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 2259c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 226788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2279c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 228788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 229243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent } 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 231788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 23265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RAMP_VOLUME: 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case VOLUME: 2349c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 235788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case VOLUME0: 2369c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case VOLUME1: 2379c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.volume[param-VOLUME0] != valueInt) { 2383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, VOLUME0/1: %04x)", valueInt); 2399c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = track.volume[param-VOLUME0] << 16; 2409c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volume[param-VOLUME0] = valueInt; 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 2429c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 2439c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = 0; 24465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 2459c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten int32_t d = (valueInt<<16) - track.prevVolume[param-VOLUME0]; 24665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 2479c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = volInc; 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 2499c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2529c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2549c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 2559c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case AUXLEVEL: 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.auxLevel != valueInt) { 2573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, AUXLEVEL: %04x)", valueInt); 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = track.auxLevel << 16; 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxLevel = valueInt; 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = 0; 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevAuxLevel; 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = volInc; 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2719c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2739c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 274788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2759c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 276788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 279788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 280788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 281788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten // bad target 282788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::setResampler(uint32_t value, uint32_t devSampleRate) 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (value!=devSampleRate || resampler) { 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sampleRate != value) { 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sampleRate = value; 291e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten if (resampler == NULL) { 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampler = AudioResampler::create( 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian format, channelCount, devSampleRate); 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::doesResample() const 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 303e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten return resampler != NULL; 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 306243f5f91755c01614a8cafe90b0806396e22d553Eric Laurentvoid AudioMixer::track_t::resetResampler() 307243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent{ 308e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten if (resampler != NULL) { 309243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent resampler->reset(); 310243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent } 311243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent} 312243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianinline 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track_t::adjustVolumeRamp(bool aux) 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 316bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (int i=0 ; i<MAX_NUM_CHANNELS ; i++) { 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((volumeInc[i]>0) && (((prevVolume[i]+volumeInc[i])>>16) >= volume[i])) || 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((volumeInc[i]<0) && (((prevVolume[i]+volumeInc[i])>>16) <= volume[i]))) { 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeInc[i] = 0; 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevVolume[i] = volume[i]<<16; 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux) { 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((auxInc>0) && (((prevAuxLevel+auxInc)>>16) >= auxLevel)) || 32565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((auxInc<0) && (((prevAuxLevel+auxInc)>>16) <= auxLevel))) { 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian auxInc = 0; 32765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevAuxLevel = auxLevel<<16; 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3339c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::setBufferProvider(int name, AudioBufferProvider* buffer) 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3359c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 3369c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 3379c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten mState.tracks[name].bufferProvider = buffer; 33865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process() 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook(&mState); 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__validate(state_t* state) 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW_IF(!state->needsChanged, 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "in process__validate() but nothing's invalid"); 35265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t changed = state->needsChanged; 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->needsChanged = 0; // clear the validation flag 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // recompute which tracks are enabled / disabled 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabled = 0; 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t disabled = 0; 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (changed) { 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(changed); 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t mask = 1<<i; 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian changed &= ~mask; 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.enabled ? enabled : disabled) |= mask; 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks &= ~disabled; 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks |= enabled; 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // compute everything we need... 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int countActiveTracks = 0; 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int all16BitsStereoNoResample = 1; 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int resampling = 0; 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int volumeRamp = 0; 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks++; 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t n = 0; 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_CHANNEL_1 + t.channelCount - 1; 38365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_FORMAT_16; 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= t.doesResample() ? NEEDS_RESAMPLE_ENABLED : NEEDS_RESAMPLE_DISABLED; 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.auxLevel != 0 && t.auxBuffer != NULL) { 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_AUX_ENABLED; 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.volumeInc[0]|t.volumeInc[1]) { 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRamp = 1; 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (!t.doesResample() && t.volumeRL == 0) { 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_MUTE_ENABLED; 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs = n; 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_MUTE__MASK) == NEEDS_MUTE_ENABLED) { 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampling = 1; 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__genericResample; 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_1){ 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsMono; 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample = 0; 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_2){ 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsStereo; 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // select the processing hooks 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampling) { 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->outputTemp) { 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->resampleTemp) { 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericResampling; 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->outputTemp) { 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->outputTemp; 432e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->outputTemp = NULL; 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->resampleTemp) { 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->resampleTemp; 436e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->resampleTemp = NULL; 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericNoResampling; 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (all16BitsStereoNoResample && !volumeRamp) { 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 44165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mixer configuration change: %d activeTracks (%08x) " 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "all16BitsStereoNoResample=%d, resampling=%d, volumeRamp=%d", 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks, state->enabledTracks, 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample, resampling, volumeRamp); 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 452c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook(state); 453c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten 454c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // Now that the volume ramp has been done, set optimal state and 455c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // track hooks for subsequent mixer process 456c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks) { 457c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten int allMuted = 1; 458c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten uint32_t en = state->enabledTracks; 459c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten while (en) { 460c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten const int i = 31 - __builtin_clz(en); 461c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten en &= ~(1<<i); 462c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten track_t& t = state->tracks[i]; 463c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (!t.doesResample() && t.volumeRL == 0) 464c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten { 465c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.needs |= NEEDS_MUTE_ENABLED; 466c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.hook = track__nop; 467c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 468c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten allMuted = 0; 469c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 470c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 471c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (allMuted) { 472c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__nop; 473c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else if (all16BitsStereoNoResample) { 474c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks == 1) { 475c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__OneTrack16BitsStereoNoResampling; 476c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 477c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 478c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 47965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 48065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__genericResample(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 48365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 48465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setSampleRate(t->sampleRate); 48565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain - resample to temp buffer and scale/mix in 2nd step 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux != NULL) { 48865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // always resample with unity gain when sending to auxiliary buffer to be able 48965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to apply send level after resampling 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // TODO: modify each resampler to support aux channel? 49165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 49365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 49465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 49565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeStereo(t, out, outFrameCount, temp, aux); 49865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 49965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 50065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 50165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 50265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 50365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 50465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(t->volume[0], t->volume[1]); 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(out, outFrameCount, t->bufferProvider); 51165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 51265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 51365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__nop(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 51665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 51765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 52065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 52165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 52265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 52365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 52565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //LOGD("[0] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 52765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 52865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 52965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp volume 53165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 53265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 53365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 53465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 53565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 53665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 53865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (*temp++ >> 12); 53965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (*temp++ >> 12); 54065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 54165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 54265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 54565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 54665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 54765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 54865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 54965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 55065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (*temp++ >> 12); 55165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (*temp++ >> 12); 55265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 55365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 55465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 55565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 55665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp((aux != NULL)); 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 56065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 56265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 56465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 56565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 56765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 56965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 57265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)l + r) >> 1); 57365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 57465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 57565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 57665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 57865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 58065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 58165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 58365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 58565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 58765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 59165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = static_cast<int16_t const *>(t->in); 59265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 59465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 59565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 59865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 60265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 60465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 60565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (int32_t)*in++; 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (int32_t)*in++; 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 62765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 63165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)in[0] + in[1]) >> 1); 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (int32_t) *in++; 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (int32_t) *in++; 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 66965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 67065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 67165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 67365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 67765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsMono(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = static_cast<int16_t const *>(t->in); 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc) { 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 16) * l; 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 71765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 71865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 72265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(l, va, aux[0]); 72365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 72465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 72565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 72665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 72865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t->volumeInc[0]|t->volumeInc[1]) { 72965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 73165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // LOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 73565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 76465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// no-op case 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__nop(state_t* state) 76765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t bufSize = state->frameCount * sizeof(int16_t) * MAX_NUM_CHANNELS; 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // avoid multiple memset() on same buffer 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i = 31 - __builtin_clz(e1); 77565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[i]; 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e2); 77965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[i]; 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 78665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(t1.mainBuffer, 0, bufSize); 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e1); 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1 = state->tracks[i]; 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = state->frameCount; 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.buffer.frameCount = outFrames; 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&t1.buffer); 79765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!t1.buffer.raw) break; 79865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= t1.buffer.frameCount; 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&t1.buffer); 80065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// generic code without resampling 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericNoResampling(state_t* state) 80765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 80865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t outTemp[BLOCKSIZE * MAX_NUM_CHANNELS] __attribute__((aligned(32))); 80965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 81065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire each track's buffer 81165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabledTracks = state->enabledTracks; 81265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = enabledTracks; 81365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 81465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 81565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 81665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 81765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = state->frameCount; 81865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 81965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 82065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 82165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 82265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 82565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // optimize cache use 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this assumes output 16 bits stereo, no resampling 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = 0; 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(outTemp, 0, sizeof(outTemp)); 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 = e1; 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e2); 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = BLOCKSIZE; 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer + numFrames; 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t inFrames = (t.frameCount > outFrames)?outFrames:t.frameCount; 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (inFrames) { 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + (BLOCKSIZE-outFrames)*MAX_NUM_CHANNELS, inFrames, state->resampleTemp, aux); 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount -= inFrames; 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= inFrames; 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += inFrames; 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.frameCount == 0 && outFrames) { 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = (state->frameCount - numFrames) - (BLOCKSIZE - outFrames); 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) { 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, BLOCKSIZE); 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += BLOCKSIZE; 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames += BLOCKSIZE; 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (numFrames < state->frameCount); 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // release each track's buffer 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 900c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten// generic code with resampling 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericResampling(state_t* state) 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* const outTemp = state->outputTemp; 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t size = sizeof(int32_t) * MAX_NUM_CHANNELS * state->frameCount; 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to optimize cache use 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(t2.mainBuffer != t1.mainBuffer) { 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 9262151d7b8c2dd77c9887691db30396937be778141Yuuhi Yamaguchi memset(outTemp, 0, size); 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e1); 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer; 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this is a little goofy, on the resampling case we don't 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire/release the buffers because it's done by 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the resampler. 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((t.needs & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp, numFrames, state->resampleTemp, aux); 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = 0; 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames < numFrames) { 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = numFrames - outFrames; 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) break; 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if UNLIKELY(aux != NULL) { 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += outFrames; 95565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + outFrames*MAX_NUM_CHANNELS, t.buffer.frameCount, state->resampleTemp, aux); 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames += t.buffer.frameCount; 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, numFrames); 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// one track, 16 bits stereo without resampling is the most common case 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state) 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(state->enabledTracks); 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t = state->tracks[i]; 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b(t.buffer); 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t.mainBuffer; 97565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t.volume[0]; 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t.volume[1]; 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t.volumeRL; 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b.frameCount = numFrames; 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&b); 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in = b.i16; 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // in == NULL can happen if the track was flushed just after having 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (in == NULL || ((unsigned long)in & 3)) { 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(out, 0, numFrames*MAX_NUM_CHANNELS*sizeof(int16_t)); 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE_IF(((unsigned long)in & 3), "process stereo track: input buffer alignment pb: buffer %p track %d, channels %d, needs %08x", 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in, i, t.channelCount, t.needs); 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = b.frameCount; 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (UNLIKELY(uint32_t(vl) > UNITY_GAIN || uint32_t(vr) > UNITY_GAIN)) { 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // volume is boosted, so we might need to clamp even though 99765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we process only one track. 99865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 101065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t rl = *reinterpret_cast<uint32_t const *>(in); 101165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 101465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 101565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= b.frameCount; 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&b); 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 2 tracks is also a common case 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NEVER used in current implementation of process__validate() 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// only use if the 2 tracks have the same output buffer 102565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state) 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i; 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t0 = state->tracks[i]; 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b0(t0.buffer); 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t1 = state->tracks[i]; 103765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b1(t1.buffer); 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in0; 104065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl0 = t0.volume[0]; 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr0 = t0.volume[1]; 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount0 = 0; 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *in1; 104565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl1 = t1.volume[0]; 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr1 = t1.volume[1]; 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount1 = 0; 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //FIXME: only works if two tracks use same buffer 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t0.mainBuffer; 105165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t const *buff = NULL; 105365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->getNextBuffer(&b0); 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b0.i16 == NULL) { 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = buff; 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = b0.i16; 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 = b0.frameCount; 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&b1); 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b1.i16 == NULL) { 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = buff; 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 1080c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = b1.i16; 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 = b1.frameCount; 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1; 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= outFrames; 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 -= outFrames; 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 -= outFrames; 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l0 = *in0++; 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r0 = *in0++; 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l0 = mul(l0, vl0); 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r0 = mul(r0, vr0); 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in1++; 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = *in1++; 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = mulAdd(l, vl1, l0) >> 12; 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = mulAdd(r, vr1, r0) >> 12; 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->releaseBuffer(&b0); 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&b1); 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff != NULL) { 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] buff; 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1122