AudioSystem.cpp revision eda6c364c253ba97ee45a3adeb8c2b45db1f81db
189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Copyright (C) 2006-2007 The Android Open Source Project 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * you may not use this file except in compliance with the License. 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * You may obtain a copy of the License at 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * See the License for the specific language governing permissions and 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * limitations under the License. 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioSystem" 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 217562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IServiceManager.h> 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioSystem.h> 23c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#include <media/IAudioPolicyService.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <math.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 27c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// the sim build doesn't have gettid 28c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 29c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#ifndef HAVE_GETTID 30c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent# define gettid getpid 31c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#endif 32c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 33c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 34c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// client singleton for AudioFlinger binder interface 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectMutex AudioSystem::gLock; 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IAudioFlinger> AudioSystem::gAudioFlinger; 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient; 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_error_callback AudioSystem::gAudioErrorCallback = NULL; 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values 43c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<int, audio_io_handle_t> AudioSystem::gStreamOutputMap(0); 44c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); 45c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values for recording queries 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioSystem::gPrevInSamplingRate = 16000; 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::gPrevInFormat = AudioSystem::PCM_16_BIT; 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::gPrevInChannelCount = 1; 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsize_t AudioSystem::gInBuffSize = 0; 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// establish binder interface to AudioFlinger service 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectconst sp<IAudioFlinger>& AudioSystem::get_audio_flinger() 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(gLock); 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlinger.get() == 0) { 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IServiceManager> sm = defaultServiceManager(); 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IBinder> binder; 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder = sm->getService(String16("media.audio_flinger")); 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (binder != 0) 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("AudioFlinger not published, waiting..."); 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(500000); // 0.5 s 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while(true); 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlingerClient == NULL) { 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlingerClient = new AudioFlingerClient(); 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(NO_ERROR); 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder->linkToDeath(gAudioFlingerClient); 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger = interface_cast<IAudioFlinger>(binder); 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger->registerClient(gAudioFlingerClient); 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?"); 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioFlinger; 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::muteMicrophone(bool state) { 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::isMicrophoneMuted(bool* state) { 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterVolume(value); 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterMute(bool mute) 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterMute(mute); 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterVolume(float* volume) 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *volume = af->masterVolume(); 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterMute(bool* mute) 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->masterMute(); 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::setStreamVolume(int stream, float value, int output) 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 133c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setStreamMute(int stream, bool mute) 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::getStreamVolume(int stream, float* volume, int output) 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 151c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getStreamMute(int stream, bool* mute) 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMode(int mode) 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mode >= NUM_MODES) return BAD_VALUE; 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 172c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 175c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 181c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // LOGD("linearToLog(%d)=%f", volume, v); 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // LOGD("logTolinear(%d)=%f", v, volume); 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (streamType == DEFAULT) { 217c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent streamType = MUSIC; 218c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = getOutput((stream_type)streamType); 221c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 228fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("getOutputSamplingRate() reading from output desc"); 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 239fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 247c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 248c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 249c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (streamType == DEFAULT) { 250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent streamType = MUSIC; 251c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = getOutput((stream_type)streamType); 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26948f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 270fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType) 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 277c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 278c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 279c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (streamType == DEFAULT) { 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent streamType = MUSIC; 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = getOutput((stream_type)streamType); 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 295c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 297c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 298c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 299c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30048f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 301fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 306c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int channelCount, 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t* buffSize) 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 310c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((gInBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project || (channelCount != gPrevInChannelCount)) { 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 314c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInChannelCount = channelCount; 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = 0; 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) { 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return PERMISSION_DENIED; 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = af->getInputBufferSize(sampleRate, format, channelCount); 323c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *buffSize = gInBuffSize; 325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 329f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 330f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 331f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 332f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 333f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 334f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 335f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 336342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurentstatus_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int stream) 337342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 338342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 339342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 340342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 341342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (stream == DEFAULT) { 342342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent stream = MUSIC; 343342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 344342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 345342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent return af->getRenderPosition(halFrames, dspFrames, getOutput((stream_type)stream)); 346342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 347342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 34805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurentunsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 34905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 35005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 35105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 352be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 35305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 35405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 35505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 35605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 35705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 358be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 359be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 360be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 361be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 362be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 363be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 366c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 369c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 3700ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 3710ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gStreamOutputMap.clear(); 3720ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("AudioFlinger server died!"); 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 380fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) { 381c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("ioConfigChanged() event %d", event); 382c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *desc; 383c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t stream; 384c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 385fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 389c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 390c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 392c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent stream = *(uint32_t *)param2; 393fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle); 394c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.indexOfKey(stream) >= 0) { 395c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.replaceValueFor(stream, ioHandle); 396c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 397c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 398c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 399c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 400fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 401c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 402c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 403c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 404c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 406c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d", 409c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); 410c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 411c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 412c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 413fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 415c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 416fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() output %d closed", ioHandle); 417c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 418c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 419c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) { 420c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.valueAt(i) == ioHandle) { 421c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.removeItemsAt(i); 422c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 423c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 427c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 428c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 429fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 430c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 431c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 432c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 433c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 435fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d", 436c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 437c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 438c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 44748f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 453c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioSystem::routedToA2dpOutput(int streamType) { 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project switch(streamType) { 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case MUSIC: 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case VOICE_CALL: 46089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case BLUETOOTH_SCO: 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case SYSTEM: 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 469c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 471c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 472c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 474c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// establish binder interface to AudioFlinger service 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyService.get() == 0) { 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 482c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 483c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 485c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGW("AudioPolicyService not published, waiting..."); 486c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 487c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } while(true); 488c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 489c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 492c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 497c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 498c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setDeviceConnectionState(audio_devices device, 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent device_connection_state state, 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 503c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 504c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 506c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 507c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setDeviceConnectionState(device, state, device_address); 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioSystem::device_connection_state AudioSystem::getDeviceConnectionState(audio_devices device, 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return DEVICE_STATE_UNAVAILABLE; 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setPhoneState(int state) 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 525c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 526c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setRingerMode(uint32_t mode, uint32_t mask) 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setRingerMode(mode, mask); 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 534c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setForceUse(force_use usage, forced_config config) 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 536c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 537c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 540c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioSystem::forced_config AudioSystem::getForceUse(force_use usage) 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 544c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return FORCE_NONE; 545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 549c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioSystem::getOutput(stream_type stream, 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 551c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 552c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output_flags flags) 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 555fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent audio_io_handle_t output = 0; 556be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Do not use stream to output map cache if the direct output 557be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // flag is set or if we are likely to use a direct output 558be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // (e.g voice call stream @ 8kHz could use BT SCO device and be routed to 559be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // a direct output on some platforms). 560be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // TODO: the output cache and stream to output mapping implementation needs to 561be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // be reworked for proper operation with direct outputs. This code is too specific 562be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // to the first use case we want to cover (Voice Recognition and Voice Dialer over 563be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Bluetooth SCO 564be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) == 0 && 565be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent ((stream != AudioSystem::VOICE_CALL && stream != AudioSystem::BLUETOOTH_SCO) || 566be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent channels != AudioSystem::CHANNEL_OUT_MONO || 567be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent (samplingRate != 8000 && samplingRate != 16000))) { 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = AudioSystem::gStreamOutputMap.valueFor(stream); 570fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream); 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 572fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (output == 0) { 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 574fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = aps->getOutput(stream, samplingRate, format, channels, flags); 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) == 0) { 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gStreamOutputMap.add(stream, output); 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return output; 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 584de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 585de070137f11d346fba77605bd76a44c040a618fcEric Laurent AudioSystem::stream_type stream, 586de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 587c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 588c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 589c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 590de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 591c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 592c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 593de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 594de070137f11d346fba77605bd76a44c040a618fcEric Laurent AudioSystem::stream_type stream, 595de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 596c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 597c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 599de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 601c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 606c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioSystem::getInput(int inputSource, 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_in_acoustics acoustics) 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 616fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getInput(inputSource, samplingRate, format, channels, acoustics); 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 620c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::initStreamVolume(stream_type stream, 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setStreamVolumeIndex(stream_type stream, int index) 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setStreamVolumeIndex(stream, index); 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::getStreamVolumeIndex(stream_type stream, int *index) 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getStreamVolumeIndex(stream, index); 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 664de070137f11d346fba77605bd76a44c040a618fcEric Laurentuint32_t AudioSystem::getStrategyForStream(AudioSystem::stream_type stream) 665de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 666de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 667de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 668de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 669de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 670de070137f11d346fba77605bd76a44c040a618fcEric Laurent 671de070137f11d346fba77605bd76a44c040a618fcEric Laurentaudio_io_handle_t AudioSystem::getOutputForEffect(effect_descriptor_t *desc) 672de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 673de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 674de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 675de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 676de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 677de070137f11d346fba77605bd76a44c040a618fcEric Laurent 678de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::registerEffect(effect_descriptor_t *desc, 679de070137f11d346fba77605bd76a44c040a618fcEric Laurent audio_io_handle_t output, 680de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 681de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 682de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 683de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 684de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 685de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 686de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->registerEffect(desc, output, strategy, session, id); 687de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 688de070137f11d346fba77605bd76a44c040a618fcEric Laurent 689de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 690de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 691de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 692de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 693de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 694de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 695de070137f11d346fba77605bd76a44c040a618fcEric Laurent 696eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurentstatus_t AudioSystem::isStreamActive(int stream, bool* state, uint32_t inPastMs) { 697eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 698eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 699eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 700eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 701eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 702eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 703eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 704c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 705c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 706c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 707c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 708c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 709c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 710c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGW("AudioPolicyService server died!"); 711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 712c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 713c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 714c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 715c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 716c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// use emulated popcount optimization 717c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// http://www.df.lth.se/~john_e/gems/gem002d.html 718c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentuint32_t AudioSystem::popCount(uint32_t u) 719c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 720c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x55555555) + ((u>>1)&0x55555555)); 721c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x33333333) + ((u>>2)&0x33333333)); 722c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x0f0f0f0f) + ((u>>4)&0x0f0f0f0f)); 723c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x00ff00ff) + ((u>>8)&0x00ff00ff)); 724c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ( u&0x0000ffff) + (u>>16); 725c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return u; 726c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 727c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 728c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isOutputDevice(audio_devices device) 729c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 730c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 731c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ((device & ~AudioSystem::DEVICE_OUT_ALL) == 0)) { 732c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 733c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 734c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 735c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 736c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 737c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 738c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isInputDevice(audio_devices device) 739c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 740c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 741c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ((device & ~AudioSystem::DEVICE_IN_ALL) == 0)) { 742c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 743c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 744c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 745c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 746c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 747c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 748c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isA2dpDevice(audio_devices device) 749c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 750c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 751c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent (device & (AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP | 752c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 753c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER))) { 754c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 755c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 756c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 757c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 758c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 759c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 760c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isBluetoothScoDevice(audio_devices device) 761c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 762c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 763c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent (device & (AudioSystem::DEVICE_OUT_BLUETOOTH_SCO | 764c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET | 7652dadcda205d995f7094b7569b076921872505143Eric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT | 7662dadcda205d995f7094b7569b076921872505143Eric Laurent AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET))) { 767c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 768c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 769c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 770c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 771c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 772c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 773c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isLowVisibility(stream_type stream) 774c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7757c7fa1b51bec497cd7f46c1bdb5bb0adfaa181b2Eric Laurent if (stream == AudioSystem::SYSTEM || 7767c7fa1b51bec497cd7f46c1bdb5bb0adfaa181b2Eric Laurent stream == AudioSystem::NOTIFICATION || 7777c7fa1b51bec497cd7f46c1bdb5bb0adfaa181b2Eric Laurent stream == AudioSystem::RING) { 778c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 779c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 780c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 781c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 782c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 783c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 784c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isInputChannel(uint32_t channel) 785c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 786c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((channel & ~AudioSystem::CHANNEL_IN_ALL) == 0) { 787c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 788c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 789c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 790c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 791c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 792c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 793c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isOutputChannel(uint32_t channel) 794c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 795c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((channel & ~AudioSystem::CHANNEL_OUT_ALL) == 0) { 796c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 797c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 798c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 799c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 800c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 801c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 802c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isValidFormat(uint32_t format) 803c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 804c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (format & MAIN_FORMAT_MASK) { 805c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case PCM: 806c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case MP3: 807c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case AMR_NB: 808c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case AMR_WB: 809c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case AAC: 810c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case HE_AAC_V1: 811c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case HE_AAC_V2: 812c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case VORBIS: 813c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 814c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent default: 815c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 816c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 817c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 818c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 819c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isLinearPCM(uint32_t format) 820c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 821c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (format) { 822c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case PCM_16_BIT: 823c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case PCM_8_BIT: 824c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 825c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent default: 826c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 827c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 828c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 829c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 830c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent//------------------------- AudioParameter class implementation --------------- 831c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 832c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyRouting = "routing"; 833c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keySamplingRate = "sampling_rate"; 834c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyFormat = "format"; 835c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyChannels = "channels"; 836c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyFrameCount = "frame_count"; 83756ecd20263d7f63476f756fc5d8b043b325c7bfbJean-Michel Triviconst char *AudioParameter::keyInputSource = "input_source"; 838c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 839c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioParameter::AudioParameter(const String8& keyValuePairs) 840c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 841c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char *str = new char[keyValuePairs.length()+1]; 842c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mKeyValuePairs = keyValuePairs; 843c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 844c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent strcpy(str, keyValuePairs.string()); 845c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char *pair = strtok(str, ";"); 846c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent while (pair != NULL) { 847c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (strlen(pair) != 0) { 848c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent size_t eqIdx = strcspn(pair, "="); 849c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 key = String8(pair, eqIdx); 850c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 value; 851c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (eqIdx == strlen(pair)) { 852c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = String8(""); 853c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 854c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = String8(pair + eqIdx + 1); 855c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 856c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) < 0) { 857c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.add(key, value); 858c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 859c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.replaceValueFor(key, value); 860c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 861c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 862c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("AudioParameter() cstor empty key value pair"); 863c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 864c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent pair = strtok(NULL, ";"); 865c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 866c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 867c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete[] str; 868c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 869c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 870c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioParameter::~AudioParameter() 871c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 872c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.clear(); 873c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 874c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 875c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioParameter::toString() 876c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 877c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str = String8(""); 878c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 879c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent size_t size = mParameters.size(); 880c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (size_t i = 0; i < size; i++) { 881c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent str += mParameters.keyAt(i); 882c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent str += "="; 883c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent str += mParameters.valueAt(i); 884c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (i < (size - 1)) str += ";"; 885c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 886c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return str; 887c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 888c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 889c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::add(const String8& key, const String8& value) 890c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 891c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) < 0) { 892c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.add(key, value); 893c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return NO_ERROR; 894c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 895c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.replaceValueFor(key, value); 896c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return ALREADY_EXISTS; 897c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 898c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 899c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 900c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::addInt(const String8& key, const int value) 901c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 902c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char str[12]; 903c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (snprintf(str, 12, "%d", value) > 0) { 904c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8 = String8(str); 905c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return add(key, str8); 906c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 907c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 908c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 909c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 910c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 911c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::addFloat(const String8& key, const float value) 912c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 913c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char str[23]; 914c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (snprintf(str, 23, "%.10f", value) > 0) { 915c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8 = String8(str); 916c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return add(key, str8); 917c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 918c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 919c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 920c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 921c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 922c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::remove(const String8& key) 923c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 924c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) >= 0) { 925c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.removeItem(key); 926c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return NO_ERROR; 927c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 928c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 929c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 930c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 931c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 932c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::get(const String8& key, String8& value) 933c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 934c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) >= 0) { 935c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = mParameters.valueFor(key); 936c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return NO_ERROR; 937c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 938c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 939c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 940c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 941c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 942c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::getInt(const String8& key, int& value) 943c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 944c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8; 945c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent status_t result = get(key, str8); 946c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = 0; 947c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (result == NO_ERROR) { 948c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int val; 949c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sscanf(str8.string(), "%d", &val) == 1) { 950c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = val; 951c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 952c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = INVALID_OPERATION; 953c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 954c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 955c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 956c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 957c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 958c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::getFloat(const String8& key, float& value) 959c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 960c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8; 961c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent status_t result = get(key, str8); 962c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = 0; 963c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (result == NO_ERROR) { 964c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent float val; 965c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sscanf(str8.string(), "%f", &val) == 1) { 966c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = val; 967c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 968c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = INVALID_OPERATION; 969c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 970c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 971c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 972c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 974a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurentstatus_t AudioParameter::getAt(size_t index, String8& key, String8& value) 975a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent{ 976a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent if (mParameters.size() > index) { 977a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent key = mParameters.keyAt(index); 978a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent value = mParameters.valueAt(index); 979a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent return NO_ERROR; 980a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent } else { 981a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent return BAD_VALUE; 982a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent } 983a9c322e398a1f5fdcace3b8b73967f010b1c31caEric Laurent} 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 986