AudioMixer.cpp revision 99e53b86eebb605b70dd7591b89bf61a9414ed0e
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Copyright 2007, The Android Open Source Project 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** you may not use this file except in compliance with the License. 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** You may obtain a copy of the License at 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Unless required by applicable law or agreed to in writing, software 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** See the License for the specific language governing permissions and 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** limitations under the License. 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian*/ 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG_TAG "AudioMixer" 1965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian//#define LOG_NDEBUG 0 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 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> 31f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten#include <cutils/compiler.h> 320d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 330d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi#include <system/audio.h> 340d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi 353b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten#include <audio_utils/primitives.h> 363b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioMixer.h" 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioMixer::AudioMixer(size_t frameCount, uint32_t sampleRate) 449c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten : mTrackNames(0), mSampleRate(sampleRate) 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 46788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten // AudioMixer is not yet capable of multi-channel beyond stereo 47788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(2 == MAX_NUM_CHANNELS); 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.enabledTracks= 0; 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged = 0; 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.frameCount = frameCount; 5184afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten mState.hook = process__nop; 52e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.outputTemp = NULL; 53e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.resampleTemp = NULL; 5484afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten // mState.reserved 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 56bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->needs = 0; 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[0] = UNITY_GAIN; 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[1] = UNITY_GAIN; 600cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 610cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[0] 620cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[1] 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[0] = 0; 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[1] = 0; 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxLevel = 0; 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxInc = 0; 670cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 680cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevAuxLevel 690cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->frameCount 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->channelCount = 2; 714c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten t->enabled = false; 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->format = 16; 730d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi t->channelMask = AUDIO_CHANNEL_OUT_STEREO; 74e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->bufferProvider = NULL; 7584afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten t->buffer.raw = NULL; 7684afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten // t->buffer.frameCount 77e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->hook = NULL; 7884afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten t->in = NULL; 79e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->resampler = NULL; 8065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->sampleRate = mSampleRate; 8165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->mainBuffer = NULL; 8265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxBuffer = NULL; 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t++; 8465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn KastenAudioMixer::~AudioMixer() 88c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 89c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten track_t* t = mState.tracks; 90bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 91c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete t->resampler; 92c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t++; 93c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 94c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete [] mState.outputTemp; 95c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete [] mState.resampleTemp; 96c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenint AudioMixer::getTrackName() 99c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 10098dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten uint32_t names = ~mTrackNames; 10198dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten if (names != 0) { 10298dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten int n = __builtin_ctz(names); 1033856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("add track (%d)", n); 10498dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten mTrackNames |= 1 << n; 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return TRACK0 + n; 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return -1; 108c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::invalidateState(uint32_t mask) 111c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged |= mask; 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__validate; 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 118c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::deleteTrackName(int name) 119c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 12065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian name -= TRACK0; 121237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 122237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten ALOGV("deleteTrackName(%d)", name); 123237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track_t& track(mState.tracks[ name ]); 1244c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (track.enabled) { 1254c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = false; 126237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten invalidateState(1<<name); 12765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 128a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (track.resampler != NULL) { 129237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten // delete the resampler 130237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten delete track.resampler; 131237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.resampler = NULL; 132237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.sampleRate = mSampleRate; 133237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten invalidateState(1<<name); 134237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten } 135237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.volumeInc[0] = 0; 136237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.volumeInc[1] = 0; 137237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten mTrackNames &= ~(1<<name); 138c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1409c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::enable(int name) 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1429c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1439c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1449c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 1459c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 1464c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (!track.enabled) { 1474c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = true; 1489c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("enable(%d)", name); 1499c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1539c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::disable(int name) 15465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1559c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1569c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1579c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 1589c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 1594c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (track.enabled) { 1604c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = false; 1619c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("disable(%d)", name); 1629c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 16365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1669c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::setParameter(int name, int target, int param, void *value) 16765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1689c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1699c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1709c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int valueInt = (int)value; 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *valueBuf = (int32_t *)value; 17465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (target) { 176788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case TRACK: 1789c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 179788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case CHANNEL_MASK: { 1800d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t mask = (uint32_t)value; 1819c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.channelMask != mask) { 1820d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint8_t channelCount = popcount(mask); 183788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert((channelCount <= MAX_NUM_CHANNELS) && (channelCount)); 1849c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelMask = mask; 1859c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelCount = channelCount; 186788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(TRACK, CHANNEL_MASK, %x)", mask); 1879c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 18865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 189788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten } break; 190788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case MAIN_BUFFER: 1919c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.mainBuffer != valueBuf) { 1929c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.mainBuffer = valueBuf; 1933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, MAIN_BUFFER, %p)", valueBuf); 1949c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 19565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 196788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 197788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case AUX_BUFFER: 1989c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.auxBuffer != valueBuf) { 1999c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.auxBuffer = valueBuf; 2003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, AUX_BUFFER, %p)", valueBuf); 2019c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 203788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 204788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2059c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 206788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 209788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RESAMPLE: 2119c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 2129c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case SAMPLE_RATE: 213788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(valueInt > 0); 214788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten if (track.setResampler(uint32_t(valueInt), mSampleRate)) { 215788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(RESAMPLE, SAMPLE_RATE, %u)", 216788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten uint32_t(valueInt)); 2179c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2199c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 2209c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case RESET: 221243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent track.resetResampler(); 2229c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 2239c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 224788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2259c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 226788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 227243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent } 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 229788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RAMP_VOLUME: 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case VOLUME: 2329c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 233788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case VOLUME0: 2349c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case VOLUME1: 2359c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.volume[param-VOLUME0] != valueInt) { 2363856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, VOLUME0/1: %04x)", valueInt); 2379c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = track.volume[param-VOLUME0] << 16; 2389c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volume[param-VOLUME0] = valueInt; 23965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 2409c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 2419c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = 0; 24265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 2439c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten int32_t d = (valueInt<<16) - track.prevVolume[param-VOLUME0]; 24465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 2459c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = volInc; 24665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 2479c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2509c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2529c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 2539c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case AUXLEVEL: 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.auxLevel != valueInt) { 2553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, AUXLEVEL: %04x)", valueInt); 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = track.auxLevel << 16; 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxLevel = valueInt; 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = 0; 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevAuxLevel; 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = volInc; 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2699c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2719c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 272788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2739c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 274788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 27565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 277788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 278788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 279788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten // bad target 280788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::setResampler(uint32_t value, uint32_t devSampleRate) 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (value!=devSampleRate || resampler) { 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sampleRate != value) { 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sampleRate = value; 289e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten if (resampler == NULL) { 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampler = AudioResampler::create( 29165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian format, channelCount, devSampleRate); 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 29765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianinline 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track_t::adjustVolumeRamp(bool aux) 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 302f9a27779634ce3a01e5957f234cd04eba74fa07fGlenn Kasten for (uint32_t i=0 ; i<MAX_NUM_CHANNELS ; i++) { 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((volumeInc[i]>0) && (((prevVolume[i]+volumeInc[i])>>16) >= volume[i])) || 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((volumeInc[i]<0) && (((prevVolume[i]+volumeInc[i])>>16) <= volume[i]))) { 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeInc[i] = 0; 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevVolume[i] = volume[i]<<16; 30765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux) { 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((auxInc>0) && (((prevAuxLevel+auxInc)>>16) >= auxLevel)) || 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((auxInc<0) && (((prevAuxLevel+auxInc)>>16) <= auxLevel))) { 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian auxInc = 0; 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevAuxLevel = auxLevel<<16; 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 318c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kastensize_t AudioMixer::getUnreleasedFrames(int name) const 319071ccd5a9702500f3f7d62ef881300914926184dEric Laurent{ 320071ccd5a9702500f3f7d62ef881300914926184dEric Laurent name -= TRACK0; 321071ccd5a9702500f3f7d62ef881300914926184dEric Laurent if (uint32_t(name) < MAX_NUM_TRACKS) { 322c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten return mState.tracks[name].getUnreleasedFrames(); 323071ccd5a9702500f3f7d62ef881300914926184dEric Laurent } 324071ccd5a9702500f3f7d62ef881300914926184dEric Laurent return 0; 325071ccd5a9702500f3f7d62ef881300914926184dEric Laurent} 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3279c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::setBufferProvider(int name, AudioBufferProvider* buffer) 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3299c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 3309c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 3319c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten mState.tracks[name].bufferProvider = buffer; 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process() 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 33865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook(&mState); 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__validate(state_t* state) 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3445ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(!state->needsChanged, 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "in process__validate() but nothing's invalid"); 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t changed = state->needsChanged; 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->needsChanged = 0; // clear the validation flag 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // recompute which tracks are enabled / disabled 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabled = 0; 35265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t disabled = 0; 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (changed) { 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(changed); 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t mask = 1<<i; 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian changed &= ~mask; 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.enabled ? enabled : disabled) |= mask; 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks &= ~disabled; 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks |= enabled; 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // compute everything we need... 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int countActiveTracks = 0; 3654c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool all16BitsStereoNoResample = true; 3664c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool resampling = false; 3674c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool volumeRamp = false; 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks++; 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t n = 0; 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_CHANNEL_1 + t.channelCount - 1; 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_FORMAT_16; 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= t.doesResample() ? NEEDS_RESAMPLE_ENABLED : NEEDS_RESAMPLE_DISABLED; 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.auxLevel != 0 && t.auxBuffer != NULL) { 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_AUX_ENABLED; 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.volumeInc[0]|t.volumeInc[1]) { 3844c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten volumeRamp = true; 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (!t.doesResample() && t.volumeRL == 0) { 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_MUTE_ENABLED; 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs = n; 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_MUTE__MASK) == NEEDS_MUTE_ENABLED) { 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 3944c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 3974c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 3984c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten resampling = true; 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__genericResample; 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_1){ 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsMono; 4034c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_2){ 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsStereo; 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // select the processing hooks 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampling) { 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->outputTemp) { 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->resampleTemp) { 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericResampling; 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->outputTemp) { 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->outputTemp; 426e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->outputTemp = NULL; 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->resampleTemp) { 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->resampleTemp; 430e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->resampleTemp = NULL; 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericNoResampling; 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (all16BitsStereoNoResample && !volumeRamp) { 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4413856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mixer configuration change: %d activeTracks (%08x) " 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "all16BitsStereoNoResample=%d, resampling=%d, volumeRamp=%d", 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks, state->enabledTracks, 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample, resampling, volumeRamp); 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 446c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook(state); 447c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten 448c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // Now that the volume ramp has been done, set optimal state and 449c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // track hooks for subsequent mixer process 450c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks) { 4514c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool allMuted = true; 452c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten uint32_t en = state->enabledTracks; 453c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten while (en) { 454c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten const int i = 31 - __builtin_clz(en); 455c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten en &= ~(1<<i); 456c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten track_t& t = state->tracks[i]; 457c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (!t.doesResample() && t.volumeRL == 0) 458c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten { 459c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.needs |= NEEDS_MUTE_ENABLED; 460c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.hook = track__nop; 461c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 4624c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten allMuted = false; 463c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 464c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 465c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (allMuted) { 466c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__nop; 467c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else if (all16BitsStereoNoResample) { 468c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks == 1) { 469c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__OneTrack16BitsStereoNoResampling; 470c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 471c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 472c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 47365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 47465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__genericResample(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 47765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 47865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setSampleRate(t->sampleRate); 47965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain - resample to temp buffer and scale/mix in 2nd step 48165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux != NULL) { 48265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // always resample with unity gain when sending to auxiliary buffer to be able 48365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to apply send level after resampling 48465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // TODO: modify each resampler to support aux channel? 48565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 48665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 488f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 48965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 49165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeStereo(t, out, outFrameCount, temp, aux); 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 49365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 494f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 49565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 49865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 49965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 50265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 50365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(t->volume[0], t->volume[1]); 50465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(out, outFrameCount, t->bufferProvider); 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__nop(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 51165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 51465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 51565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 51665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 51765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 51865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 51965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 520b8a805261bf0282e992d3608035e47d05a898710Steve Block //ALOGD("[0] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 52165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 52265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 52365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp volume 525f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 52665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 52765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 52865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 52965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 53065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 53265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (*temp++ >> 12); 53365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (*temp++ >> 12); 53465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 53565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 53665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 53765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 53865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 53965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 54065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 54165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 54265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (*temp++ >> 12); 54565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (*temp++ >> 12); 54665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 54765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 54865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 54965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 55065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 55165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 55265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp((aux != NULL)); 55365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 55465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 55565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 55665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 560f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 56265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 56465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 56565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)l + r) >> 1); 56765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 56965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 57265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 57365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 57465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 57565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 57665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 57865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 58065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 58165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 58554c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = static_cast<const int16_t *>(t->in); 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 587f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 591f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 59265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 59365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 59465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 59565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 598b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (int32_t)*in++; 60465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (int32_t)*in++; 60565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 60865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 62454c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)in[0] + in[1]) >> 1); 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 62765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 63165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 636f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 642b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (int32_t) *in++; 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (int32_t) *in++; 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 66254c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 66965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 67165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsMono(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 67554c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = static_cast<int16_t const *>(t->in); 67665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 677f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 679f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 687b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 16) * l; 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(l, va, aux[0]); 71765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 71865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 722f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 72365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 72465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 72565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 72665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 728b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 72965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 73165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 73565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// no-op case 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__nop(state_t* state) 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t bufSize = state->frameCount * sizeof(int16_t) * MAX_NUM_CHANNELS; 76465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 76565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // avoid multiple memset() on same buffer 76765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i = 31 - __builtin_clz(e1); 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[i]; 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e2); 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[i]; 775f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 77965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(t1.mainBuffer, 0, bufSize); 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e1); 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 78665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1 = state->tracks[i]; 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = state->frameCount; 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.buffer.frameCount = outFrames; 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&t1.buffer); 791a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (t1.buffer.raw == NULL) break; 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= t1.buffer.frameCount; 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&t1.buffer); 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 79865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// generic code without resampling 80065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericNoResampling(state_t* state) 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t outTemp[BLOCKSIZE * MAX_NUM_CHANNELS] __attribute__((aligned(32))); 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire each track's buffer 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabledTracks = state->enabledTracks; 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = enabledTracks; 80765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 80865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 80965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 81065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 81165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = state->frameCount; 81265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 81365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 81465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 81565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 81665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 81765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) 81865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 81965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 82065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 82165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 82265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // optimize cache use 82565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 833f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this assumes output 16 bits stereo, no resampling 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = 0; 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(outTemp, 0, sizeof(outTemp)); 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 = e1; 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e2); 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = BLOCKSIZE; 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 850f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED)) { 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer + numFrames; 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t inFrames = (t.frameCount > outFrames)?outFrames:t.frameCount; 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (inFrames) { 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + (BLOCKSIZE-outFrames)*MAX_NUM_CHANNELS, inFrames, state->resampleTemp, aux); 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount -= inFrames; 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= inFrames; 859f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += inFrames; 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.frameCount == 0 && outFrames) { 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = (state->frameCount - numFrames) - (BLOCKSIZE - outFrames); 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) { 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, BLOCKSIZE); 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += BLOCKSIZE; 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames += BLOCKSIZE; 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (numFrames < state->frameCount); 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // release each track's buffer 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 894c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten// generic code with resampling 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__genericResampling(state_t* state) 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 89754c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten // this const just means that local variable outTemp doesn't change 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* const outTemp = state->outputTemp; 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t size = sizeof(int32_t) * MAX_NUM_CHANNELS * state->frameCount; 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to optimize cache use 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 915f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 9212151d7b8c2dd77c9887691db30396937be778141Yuuhi Yamaguchi memset(outTemp, 0, size); 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e1); 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 927f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED)) { 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer; 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this is a little goofy, on the resampling case we don't 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire/release the buffers because it's done by 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the resampler. 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((t.needs & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp, numFrames, state->resampleTemp, aux); 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = 0; 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames < numFrames) { 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = numFrames - outFrames; 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->getNextBuffer(&t.buffer); 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) break; 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 948f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += outFrames; 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + outFrames*MAX_NUM_CHANNELS, t.buffer.frameCount, state->resampleTemp, aux); 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames += t.buffer.frameCount; 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, numFrames); 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// one track, 16 bits stereo without resampling is the most common case 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state) 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 96499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // This method is only called when state->enabledTracks has exactly 96599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // one bit set. The asserts below would verify this, but are commented out 96699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // since the whole point of this method is to optimize performance. 96799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten //assert(0 != state->enabledTracks); 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(state->enabledTracks); 96999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten //assert((1 << i) == 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); 98354c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *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)); 98929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_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 995f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_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 { 99954c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(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 { 101054c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(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 102281a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#if 0 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 2 tracks is also a common case 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NEVER used in current implementation of process__validate() 102565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// only use if the 2 tracks have the same output buffer 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state) 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i; 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t0 = state->tracks[i]; 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b0(t0.buffer); 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 103765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t1 = state->tracks[i]; 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b1(t1.buffer); 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104054c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in0; 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl0 = t0.volume[0]; 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr0 = t0.volume[1]; 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount0 = 0; 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104554c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in1; 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl1 = t1.volume[0]; 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr1 = t1.volume[1]; 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount1 = 0; 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //FIXME: only works if two tracks use same buffer 105165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t0.mainBuffer; 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 105354c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *buff = NULL; 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->getNextBuffer(&b0); 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b0.i16 == NULL) { 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = buff; 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = b0.i16; 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 = b0.frameCount; 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->getNextBuffer(&b1); 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b1.i16 == NULL) { 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = buff; 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 1081c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = b1.i16; 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 = b1.frameCount; 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1; 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= outFrames; 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 -= outFrames; 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 -= outFrames; 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l0 = *in0++; 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r0 = *in0++; 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l0 = mul(l0, vl0); 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r0 = mul(r0, vr0); 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in1++; 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = *in1++; 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = mulAdd(l, vl1, l0) >> 12; 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = mulAdd(r, vr1, r0) >> 12; 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->releaseBuffer(&b0); 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&b1); 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1116e9dd0176933d6233916c84e18f3e8c0d644ca05dGlenn Kasten delete [] buff; 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 111881a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#endif 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1122