AudioMixer.cpp revision 4ff14bae91075eb274eb1c2975982358946e7e63
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> 364ff14bae91075eb274eb1c2975982358946e7e63John Grossman#include <common_time/local_clock.h> 374ff14bae91075eb274eb1c2975982358946e7e63John Grossman#include <common_time/cc_helper.h> 383b21c50ef95fe4e7ac3426ca14b365749e66ff08Glenn Kasten 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioMixer.h" 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioMixer::AudioMixer(size_t frameCount, uint32_t sampleRate) 469c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten : mTrackNames(0), mSampleRate(sampleRate) 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 48788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten // AudioMixer is not yet capable of multi-channel beyond stereo 49788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(2 == MAX_NUM_CHANNELS); 504ff14bae91075eb274eb1c2975982358946e7e63John Grossman 514ff14bae91075eb274eb1c2975982358946e7e63John Grossman LocalClock lc; 524ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.enabledTracks= 0; 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged = 0; 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.frameCount = frameCount; 5684afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten mState.hook = process__nop; 57e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.outputTemp = NULL; 58e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten mState.resampleTemp = NULL; 5984afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten // mState.reserved 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t* t = mState.tracks; 61bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->needs = 0; 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[0] = UNITY_GAIN; 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volume[1] = UNITY_GAIN; 650cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 660cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[0] 670cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevVolume[1] 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[0] = 0; 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->volumeInc[1] = 0; 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxLevel = 0; 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxInc = 0; 720cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // no initialization needed 730cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->prevAuxLevel 740cfd8231e4c489392809bf44c174315df2690145Glenn Kasten // t->frameCount 7565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->channelCount = 2; 764c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten t->enabled = false; 7765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->format = 16; 780d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi t->channelMask = AUDIO_CHANNEL_OUT_STEREO; 79e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->bufferProvider = NULL; 8084afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten t->buffer.raw = NULL; 8184afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten // t->buffer.frameCount 82e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->hook = NULL; 8384afa3b51ac48f84ed62489529ce78cba7fca00eGlenn Kasten t->in = NULL; 84e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten t->resampler = NULL; 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->sampleRate = mSampleRate; 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->mainBuffer = NULL; 8765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->auxBuffer = NULL; 884ff14bae91075eb274eb1c2975982358946e7e63John Grossman t->localTimeFreq = lc.getLocalFreq(); 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t++; 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 9265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn KastenAudioMixer::~AudioMixer() 94c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 95c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten track_t* t = mState.tracks; 96bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten for (unsigned i=0 ; i < MAX_NUM_TRACKS ; i++) { 97c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete t->resampler; 98c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t++; 99c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 100c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete [] mState.outputTemp; 101c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten delete [] mState.resampleTemp; 102c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenint AudioMixer::getTrackName() 105c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 10698dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten uint32_t names = ~mTrackNames; 10798dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten if (names != 0) { 10898dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten int n = __builtin_ctz(names); 1093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("add track (%d)", n); 11098dd542ffcd3424b1da58bd273c0c1ff5b8c8960Glenn Kasten mTrackNames |= 1 << n; 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return TRACK0 + n; 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return -1; 114c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 116c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::invalidateState(uint32_t mask) 117c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mask) { 11965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.needsChanged |= mask; 12065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mState.hook = process__validate; 12165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 124c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kastenvoid AudioMixer::deleteTrackName(int name) 125c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten{ 12665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian name -= TRACK0; 127237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 128237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten ALOGV("deleteTrackName(%d)", name); 129237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track_t& track(mState.tracks[ name ]); 1304c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (track.enabled) { 1314c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = false; 132237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten invalidateState(1<<name); 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 134a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (track.resampler != NULL) { 135237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten // delete the resampler 136237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten delete track.resampler; 137237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.resampler = NULL; 138237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.sampleRate = mSampleRate; 139237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten invalidateState(1<<name); 140237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten } 141237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.volumeInc[0] = 0; 142237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten track.volumeInc[1] = 0; 143237a624f674800d2300806b115eee8c9bb7db033Glenn Kasten mTrackNames &= ~(1<<name); 144c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten} 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1469c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::enable(int name) 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1489c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1499c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1509c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 1519c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 1524c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (!track.enabled) { 1534c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = true; 1549c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("enable(%d)", name); 1559c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 15665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 15865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1599c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::disable(int name) 16065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1619c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1629c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1639c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 1649c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten 1654c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten if (track.enabled) { 1664c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten track.enabled = false; 1679c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten ALOGV("disable(%d)", name); 1689c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 16965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 17065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1729c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::setParameter(int name, int target, int param, void *value) 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 1749c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 1759c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 1769c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track_t& track = mState.tracks[name]; 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int valueInt = (int)value; 17965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *valueBuf = (int32_t *)value; 18065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (target) { 182788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 18365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case TRACK: 1849c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 185788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case CHANNEL_MASK: { 1860d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t mask = (uint32_t)value; 1879c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.channelMask != mask) { 1880d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint8_t channelCount = popcount(mask); 189788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert((channelCount <= MAX_NUM_CHANNELS) && (channelCount)); 1909c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelMask = mask; 1919c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.channelCount = channelCount; 192788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(TRACK, CHANNEL_MASK, %x)", mask); 1939c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 19465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 195788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten } break; 196788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case MAIN_BUFFER: 1979c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.mainBuffer != valueBuf) { 1989c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.mainBuffer = valueBuf; 1993856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, MAIN_BUFFER, %p)", valueBuf); 2009c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 202788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 203788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case AUX_BUFFER: 2049c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.auxBuffer != valueBuf) { 2059c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.auxBuffer = valueBuf; 2063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(TRACK, AUX_BUFFER, %p)", valueBuf); 2079c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 209788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten break; 210788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2119c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 212788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 215788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RESAMPLE: 2179c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 2189c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case SAMPLE_RATE: 219788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(valueInt > 0); 220788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten if (track.setResampler(uint32_t(valueInt), mSampleRate)) { 221788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten ALOGV("setParameter(RESAMPLE, SAMPLE_RATE, %u)", 222788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten uint32_t(valueInt)); 2239c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2259c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 2269c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case RESET: 227243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent track.resetResampler(); 2289c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 2299c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 230788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2319c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 232788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 233243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent } 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 235788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RAMP_VOLUME: 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case VOLUME: 2389c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten switch (param) { 239788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten case VOLUME0: 2409c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case VOLUME1: 2419c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten if (track.volume[param-VOLUME0] != valueInt) { 2423856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, VOLUME0/1: %04x)", valueInt); 2439c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = track.volume[param-VOLUME0] << 16; 2449c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volume[param-VOLUME0] = valueInt; 24565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 2469c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 2479c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = 0; 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 2499c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten int32_t d = (valueInt<<16) - track.prevVolume[param-VOLUME0]; 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 2519c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.volumeInc[param-VOLUME0] = volInc; 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 2539c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten track.prevVolume[param-VOLUME0] = valueInt << 16; 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2569c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2589c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 2599c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten case AUXLEVEL: 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (track.auxLevel != valueInt) { 2613856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter(VOLUME, AUXLEVEL: %04x)", valueInt); 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = track.auxLevel << 16; 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxLevel = valueInt; 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (target == VOLUME) { 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = 0; 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t d = (valueInt<<16) - track.prevAuxLevel; 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volInc = d / int32_t(mState.frameCount); 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.auxInc = volInc; 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (volInc == 0) { 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track.prevAuxLevel = valueInt << 16; 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2759c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten invalidateState(1 << name); 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 2779c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten break; 278788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 2799c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bad param 280788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 283788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten 284788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten default: 285788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten // bad target 286788040c5189bbdaf567ce4b29ffd1db08ea1020cGlenn Kasten assert(false); 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioMixer::track_t::setResampler(uint32_t value, uint32_t devSampleRate) 29165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (value!=devSampleRate || resampler) { 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sampleRate != value) { 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sampleRate = value; 295e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten if (resampler == NULL) { 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian resampler = AudioResampler::create( 29765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian format, channelCount, devSampleRate); 2984ff14bae91075eb274eb1c2975982358946e7e63John Grossman resampler->setLocalTimeFreq(localTimeFreq); 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianinline 30765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track_t::adjustVolumeRamp(bool aux) 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 309f9a27779634ce3a01e5957f234cd04eba74fa07fGlenn Kasten for (uint32_t i=0 ; i<MAX_NUM_CHANNELS ; i++) { 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((volumeInc[i]>0) && (((prevVolume[i]+volumeInc[i])>>16) >= volume[i])) || 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((volumeInc[i]<0) && (((prevVolume[i]+volumeInc[i])>>16) <= volume[i]))) { 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeInc[i] = 0; 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevVolume[i] = volume[i]<<16; 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux) { 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (((auxInc>0) && (((prevAuxLevel+auxInc)>>16) >= auxLevel)) || 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ((auxInc<0) && (((prevAuxLevel+auxInc)>>16) <= auxLevel))) { 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian auxInc = 0; 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian prevAuxLevel = auxLevel<<16; 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 325c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kastensize_t AudioMixer::getUnreleasedFrames(int name) const 326071ccd5a9702500f3f7d62ef881300914926184dEric Laurent{ 327071ccd5a9702500f3f7d62ef881300914926184dEric Laurent name -= TRACK0; 328071ccd5a9702500f3f7d62ef881300914926184dEric Laurent if (uint32_t(name) < MAX_NUM_TRACKS) { 329c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten return mState.tracks[name].getUnreleasedFrames(); 330071ccd5a9702500f3f7d62ef881300914926184dEric Laurent } 331071ccd5a9702500f3f7d62ef881300914926184dEric Laurent return 0; 332071ccd5a9702500f3f7d62ef881300914926184dEric Laurent} 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3349c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kastenvoid AudioMixer::setBufferProvider(int name, AudioBufferProvider* buffer) 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3369c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten name -= TRACK0; 3379c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten assert(uint32_t(name) < MAX_NUM_TRACKS); 3389c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten mState.tracks[name].bufferProvider = buffer; 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3434ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process(int64_t pts) 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3454ff14bae91075eb274eb1c2975982358946e7e63John Grossman mState.hook(&mState, pts); 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3494ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__validate(state_t* state, int64_t pts) 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3515ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(!state->needsChanged, 35265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "in process__validate() but nothing's invalid"); 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t changed = state->needsChanged; 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->needsChanged = 0; // clear the validation flag 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // recompute which tracks are enabled / disabled 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabled = 0; 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t disabled = 0; 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (changed) { 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(changed); 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t mask = 1<<i; 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian changed &= ~mask; 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.enabled ? enabled : disabled) |= mask; 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks &= ~disabled; 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->enabledTracks |= enabled; 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // compute everything we need... 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int countActiveTracks = 0; 3724c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool all16BitsStereoNoResample = true; 3734c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool resampling = false; 3744c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool volumeRamp = false; 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (en) { 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(en); 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks++; 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t n = 0; 38365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_CHANNEL_1 + t.channelCount - 1; 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_FORMAT_16; 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= t.doesResample() ? NEEDS_RESAMPLE_ENABLED : NEEDS_RESAMPLE_DISABLED; 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.auxLevel != 0 && t.auxBuffer != NULL) { 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_AUX_ENABLED; 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.volumeInc[0]|t.volumeInc[1]) { 3914c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten volumeRamp = true; 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (!t.doesResample() && t.volumeRL == 0) { 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian n |= NEEDS_MUTE_ENABLED; 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.needs = n; 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_MUTE__MASK) == NEEDS_MUTE_ENABLED) { 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__nop; 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED) { 4014c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 4044c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 4054c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten resampling = true; 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__genericResample; 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_1){ 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsMono; 4104c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten all16BitsStereoNoResample = false; 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((n & NEEDS_CHANNEL_COUNT__MASK) == NEEDS_CHANNEL_2){ 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.hook = track__16BitsStereo; 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // select the processing hooks 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__nop; 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks) { 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (resampling) { 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->outputTemp) { 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->outputTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!state->resampleTemp) { 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->resampleTemp = new int32_t[MAX_NUM_CHANNELS * state->frameCount]; 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericResampling; 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->outputTemp) { 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->outputTemp; 433e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->outputTemp = NULL; 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (state->resampleTemp) { 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete [] state->resampleTemp; 437e0feee3da22beeffbd9357540e265f13b2119cbbGlenn Kasten state->resampleTemp = NULL; 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__genericNoResampling; 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (all16BitsStereoNoResample && !volumeRamp) { 44165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (countActiveTracks == 1) { 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state->hook = process__OneTrack16BitsStereoNoResampling; 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("mixer configuration change: %d activeTracks (%08x) " 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "all16BitsStereoNoResample=%d, resampling=%d, volumeRamp=%d", 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian countActiveTracks, state->enabledTracks, 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian all16BitsStereoNoResample, resampling, volumeRamp); 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4534ff14bae91075eb274eb1c2975982358946e7e63John Grossman state->hook(state, pts); 454c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten 455c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // Now that the volume ramp has been done, set optimal state and 456c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten // track hooks for subsequent mixer process 457c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks) { 4584c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten bool allMuted = true; 459c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten uint32_t en = state->enabledTracks; 460c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten while (en) { 461c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten const int i = 31 - __builtin_clz(en); 462c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten en &= ~(1<<i); 463c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten track_t& t = state->tracks[i]; 464c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (!t.doesResample() && t.volumeRL == 0) 465c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten { 466c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.needs |= NEEDS_MUTE_ENABLED; 467c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten t.hook = track__nop; 468c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 4694c340c6521b634f159d2d6bc4e9359226fd8edf8Glenn Kasten allMuted = false; 470c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 471c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 472c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (allMuted) { 473c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__nop; 474c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else if (all16BitsStereoNoResample) { 475c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten if (countActiveTracks == 1) { 476c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten state->hook = process__OneTrack16BitsStereoNoResampling; 477c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 478c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 479c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } 48065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 48165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__genericResample(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 48465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 48565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setSampleRate(t->sampleRate); 48665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain - resample to temp buffer and scale/mix in 2nd step 48865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (aux != NULL) { 48965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // always resample with unity gain when sending to auxiliary buffer to be able 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to apply send level after resampling 49165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // TODO: modify each resampler to support aux channel? 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 49365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 49465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 495f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 49865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeStereo(t, out, outFrameCount, temp, aux); 49965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 501f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 50265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(UNITY_GAIN, UNITY_GAIN); 50365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(temp, 0, outFrameCount * MAX_NUM_CHANNELS * sizeof(int32_t)); 50465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(temp, outFrameCount, t->bufferProvider); 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volumeRampStereo(t, out, outFrameCount, temp, aux); 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->setVolume(t->volume[0], t->volume[1]); 51165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->resampler->resample(out, outFrameCount, t->bufferProvider); 51265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 51365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 51465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__nop(track_t* t, int32_t* out, size_t outFrameCount, int32_t* temp, int32_t* aux) 51765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 51865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 52165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 52265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 52365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 52565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 52665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 527b8a805261bf0282e992d3608035e47d05a898710Steve Block //ALOGD("[0] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 52865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 52965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 53065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp volume 532f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 53365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 53465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 53565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 53665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 53765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 53865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 53965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (*temp++ >> 12); 54065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (*temp++ >> 12); 54165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 54265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 54565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 54665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 54765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 54865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 54965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 55065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 55165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (*temp++ >> 12); 55265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (*temp++ >> 12); 55365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 55465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 55565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 55665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp((aux != NULL)); 56065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 56265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 56465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 56565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 567f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 56965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 57265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 57365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)l + r) >> 1); 57465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 57565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 57665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 57865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 58065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 58165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = (int16_t)(*temp++ >> 12); 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t r = (int16_t)(*temp++ >> 12); 58365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(r, vr, out[1]); 58565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 58765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 59165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 59254c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = static_cast<const int16_t *>(t->in); 59365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 594f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 59565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l; 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r; 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 598f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 60265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 60465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 605b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 60865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = (int32_t)*in++; 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = (int32_t)*in++; 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * r; 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 17) * (l + r); 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 62765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 63154c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t a = (int16_t)(((int32_t)in[0] + in[1]) >> 1); 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(a, va, aux[0]); 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 643f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 649b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[1] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * (int32_t) *in++; 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * (int32_t) *in++; 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t->volumeRL; 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 66954c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 67065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 67165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAddRL(1, rl, vrl, out[0]); 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAddRL(0, rl, vrl, out[1]); 67365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 67565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioMixer::track__16BitsMono(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux) 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 68254c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = static_cast<int16_t const *>(t->in); 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 684f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 686f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1]|t->auxInc)) { 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t va = t->prevAuxLevel; 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vaInc = t->auxInc; 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 694b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *aux++ += (va >> 16) * l; 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian va += vaInc; 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevAuxLevel = va; 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(true); 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 71765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t va = (int16_t)t->auxLevel; 71865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 72265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 72365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux[0] = mulAdd(l, va, aux[0]); 72465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux++; 72565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 72665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 72865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ramp gain 729f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t->volumeInc[0]|t->volumeInc[1])) { 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vl = t->prevVolume[0]; 73165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t vr = t->prevVolume[1]; 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vlInc = t->volumeInc[0]; 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int32_t vrInc = t->volumeInc[1]; 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 735b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("[2] %p: inc=%f, v0=%f, v1=%d, final=%f, count=%d", 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t, vlInc/65536.0f, vl/65536.0f, t->volume[0], 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (vl + vlInc*frameCount)/65536.0f, frameCount); 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in++; 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vl >> 16) * l; 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ += (vr >> 16) * l; 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vl += vlInc; 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian vr += vrInc; 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[0] = vl; 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->prevVolume[1] = vr; 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->adjustVolumeRamp(false); 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // constant gain 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian else { 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t->volume[0]; 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t->volume[1]; 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int16_t l = *in++; 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[0] = mulAdd(l, vl, out[0]); 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out[1] = mulAdd(l, vr, out[1]); 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += 2; 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--frameCount); 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t->in = in; 76465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 76565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// no-op case 7674ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__nop(state_t* state, int64_t pts) 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t bufSize = state->frameCount * sizeof(int16_t) * MAX_NUM_CHANNELS; 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // avoid multiple memset() on same buffer 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 77565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i = 31 - __builtin_clz(e1); 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[i]; 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 77965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e2); 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[i]; 782f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(t1.mainBuffer, 0, bufSize); 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(e1); 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1 = state->tracks[i]; 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = state->frameCount; 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.buffer.frameCount = outFrames; 7974ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS( 7984ff14bae91075eb274eb1c2975982358946e7e63John Grossman t1, pts, state->frameCount - outFrames); 7994ff14bae91075eb274eb1c2975982358946e7e63John Grossman t1.bufferProvider->getNextBuffer(&t1.buffer, outputPTS); 800a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (t1.buffer.raw == NULL) break; 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= t1.buffer.frameCount; 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&t1.buffer); 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 80765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// generic code without resampling 8094ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__genericNoResampling(state_t* state, int64_t pts) 81065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 81165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t outTemp[BLOCKSIZE * MAX_NUM_CHANNELS] __attribute__((aligned(32))); 81265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 81365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire each track's buffer 81465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabledTracks = state->enabledTracks; 81565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = enabledTracks; 81665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 81765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 81865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 81965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 82065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = state->frameCount; 8214ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&t.buffer, pts); 82265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 82565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer to 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // optimize cache use 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 842f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this assumes output 16 bits stereo, no resampling 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = 0; 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(outTemp, 0, sizeof(outTemp)); 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 = e1; 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e2); 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<i); 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = BLOCKSIZE; 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 859f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED)) { 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer + numFrames; 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames) { 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t inFrames = (t.frameCount > outFrames)?outFrames:t.frameCount; 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (inFrames) { 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + (BLOCKSIZE-outFrames)*MAX_NUM_CHANNELS, inFrames, state->resampleTemp, aux); 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount -= inFrames; 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames -= inFrames; 868f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += inFrames; 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.frameCount == 0 && outFrames) { 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = (state->frameCount - numFrames) - (BLOCKSIZE - outFrames); 8754ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS( 8764ff14bae91075eb274eb1c2975982358946e7e63John Grossman t, pts, numFrames + (BLOCKSIZE - outFrames)); 8774ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&t.buffer, outputPTS); 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) { 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enabledTracks &= ~(1<<i); 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.frameCount = t.buffer.frameCount; 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, BLOCKSIZE); 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian out += BLOCKSIZE; 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames += BLOCKSIZE; 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (numFrames < state->frameCount); 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // release each track's buffer 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 = enabledTracks; 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e0); 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(1<<i); 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 905c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten// generic code with resampling 9064ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__genericResampling(state_t* state, int64_t pts) 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 90854c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten // this const just means that local variable outTemp doesn't change 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* const outTemp = state->outputTemp; 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t size = sizeof(int32_t) * MAX_NUM_CHANNELS * state->frameCount; 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e0 = state->enabledTracks; 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e0) { 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // process by group of tracks with same output buffer 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // to optimize cache use 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t e1 = e0, e2 = e0; 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int j = 31 - __builtin_clz(e1); 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t1 = state->tracks[j]; 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e2) { 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian j = 31 - __builtin_clz(e2); 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e2 &= ~(1<<j); 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t2 = state->tracks[j]; 926f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(t2.mainBuffer != t1.mainBuffer)) { 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<j); 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e0 &= ~(e1); 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *out = t1.mainBuffer; 9322151d7b8c2dd77c9887691db30396937be778141Yuuhi Yamaguchi memset(outTemp, 0, size); 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (e1) { 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(e1); 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian e1 &= ~(1<<i); 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian track_t& t = state->tracks[i]; 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *aux = NULL; 938f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY((t.needs & NEEDS_AUX__MASK) == NEEDS_AUX_ENABLED)) { 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux = t.auxBuffer; 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // this is a little goofy, on the resampling case we don't 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // acquire/release the buffers because it's done by 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the resampler. 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if ((t.needs & NEEDS_RESAMPLE__MASK) == NEEDS_RESAMPLE_ENABLED) { 9464ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.resampler->setPTS(pts); 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp, numFrames, state->resampleTemp, aux); 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = 0; 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (outFrames < numFrames) { 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.buffer.frameCount = numFrames - outFrames; 9544ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t, pts, outFrames); 9554ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&t.buffer, outputPTS); 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.in = t.buffer.raw; 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // t.in == NULL can happen if the track was flushed just after having 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (t.in == NULL) break; 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 961f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(aux != NULL)) { 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian aux += outFrames; 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (t.hook)(&t, outTemp + outFrames*MAX_NUM_CHANNELS, t.buffer.frameCount, state->resampleTemp, aux); 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian outFrames += t.buffer.frameCount; 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&t.buffer); 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ditherAndClamp(out, outTemp, numFrames); 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// one track, 16 bits stereo without resampling is the most common case 9754ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__OneTrack16BitsStereoNoResampling(state_t* state, 9764ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 97899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // This method is only called when state->enabledTracks has exactly 97999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // one bit set. The asserts below would verify this, but are commented out 98099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // since the whole point of this method is to optimize performance. 98199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten //assert(0 != state->enabledTracks); 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int i = 31 - __builtin_clz(state->enabledTracks); 98399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten //assert((1 << i) == state->enabledTracks); 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t = state->tracks[i]; 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b(t.buffer); 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t.mainBuffer; 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl = t.volume[0]; 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr = t.volume[1]; 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t vrl = t.volumeRL; 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b.frameCount = numFrames; 9964ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t, pts, out - t.mainBuffer); 9974ff14bae91075eb274eb1c2975982358946e7e63John Grossman t.bufferProvider->getNextBuffer(&b, outputPTS); 99854c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in = b.i16; 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // in == NULL can happen if the track was flushed just after having 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // been enabled for mixing. 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (in == NULL || ((unsigned long)in & 3)) { 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memset(out, 0, numFrames*MAX_NUM_CHANNELS*sizeof(int16_t)); 100429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(((unsigned long)in & 3), "process stereo track: input buffer alignment pb: buffer %p track %d, channels %d, needs %08x", 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in, i, t.channelCount, t.needs); 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = b.frameCount; 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1010f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(uint32_t(vl) > UNITY_GAIN || uint32_t(vr) > UNITY_GAIN)) { 101165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // volume is boosted, so we might need to clamp even though 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we process only one track. 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 101454c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 101565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 102265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 102554c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten uint32_t rl = *reinterpret_cast<const uint32_t *>(in); 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in += 2; 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = mulRL(1, rl, vrl) >> 12; 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = mulRL(0, rl, vrl) >> 12; 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= b.frameCount; 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t.bufferProvider->releaseBuffer(&b); 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103781a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#if 0 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 2 tracks is also a common case 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NEVER used in current implementation of process__validate() 104065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// only use if the 2 tracks have the same output buffer 10414ff14bae91075eb274eb1c2975982358946e7e63John Grossmanvoid AudioMixer::process__TwoTracks16BitsStereoNoResampling(state_t* state, 10424ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int i; 104565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t en = state->enabledTracks; 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t0 = state->tracks[i]; 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b0(t0.buffer); 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian en &= ~(1<<i); 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i = 31 - __builtin_clz(en); 105365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const track_t& t1 = state->tracks[i]; 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider::Buffer& b1(t1.buffer); 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105654c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in0; 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl0 = t0.volume[0]; 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr0 = t0.volume[1]; 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount0 = 0; 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106154c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *in1; 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vl1 = t1.volume[0]; 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int16_t vr1 = t1.volume[1]; 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount1 = 0; 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian //FIXME: only works if two tracks use same buffer 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* out = t0.mainBuffer; 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t numFrames = state->frameCount; 106954c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const int16_t *buff = NULL; 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (numFrames) { 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 10764ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t0, pts, 10774ff14bae91075eb274eb1c2975982358946e7e63John Grossman out - t0.mainBuffer); 10784ff14bae91075eb274eb1c2975982358946e7e63John Grossman t0.bufferProvider->getNextBuffer(&b0, outputPTS); 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b0.i16 == NULL) { 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = buff; 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b0.frameCount = numFrames; 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in0 = b0.i16; 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 = b0.frameCount; 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 10924ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t outputPTS = calculateOutputPTS(t1, pts, 10934ff14bae91075eb274eb1c2975982358946e7e63John Grossman out - t0.mainBuffer); 10944ff14bae91075eb274eb1c2975982358946e7e63John Grossman t1.bufferProvider->getNextBuffer(&b1, outputPTS); 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (b1.i16 == NULL) { 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (buff == NULL) { 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian buff = new int16_t[MAX_NUM_CHANNELS * state->frameCount]; 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = buff; 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian b1.frameCount = numFrames; 1101c5ac4cb3a5124860ccfc7e4ff66251c55a5595caGlenn Kasten } else { 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian in1 = b1.i16; 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 = b1.frameCount; 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t outFrames = frameCount0 < frameCount1?frameCount0:frameCount1; 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian numFrames -= outFrames; 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount0 -= outFrames; 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian frameCount1 -= outFrames; 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian do { 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l0 = *in0++; 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r0 = *in0++; 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l0 = mul(l0, vl0); 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r0 = mul(r0, vr0); 111865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t l = *in1++; 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t r = *in1++; 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = mulAdd(l, vl1, l0) >> 12; 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = mulAdd(r, vr1, r0) >> 12; 112265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clamping... 112365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian l = clamp16(l); 112465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian r = clamp16(r); 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian *out++ = (r<<16) | (l & 0xFFFF); 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } while (--outFrames); 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount0 == 0) { 112965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t0.bufferProvider->releaseBuffer(&b0); 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frameCount1 == 0) { 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian t1.bufferProvider->releaseBuffer(&b1); 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1136e9dd0176933d6233916c84e18f3e8c0d644ca05dGlenn Kasten delete [] buff; 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 113881a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#endif 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11404ff14bae91075eb274eb1c2975982358946e7e63John Grossmanint64_t AudioMixer::calculateOutputPTS(const track_t& t, int64_t basePTS, 11414ff14bae91075eb274eb1c2975982358946e7e63John Grossman int outputFrameIndex) 11424ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11434ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (AudioBufferProvider::kInvalidPTS == basePTS) 11444ff14bae91075eb274eb1c2975982358946e7e63John Grossman return AudioBufferProvider::kInvalidPTS; 11454ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11464ff14bae91075eb274eb1c2975982358946e7e63John Grossman return basePTS + ((outputFrameIndex * t.localTimeFreq) / t.sampleRate); 11474ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11484ff14bae91075eb274eb1c2975982358946e7e63John Grossman 114965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 115065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1151