AudioSystem.cpp revision 64760240f931714858a59c1579f07264d7182ba2
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 2664760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 27fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 28c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 29c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// the sim build doesn't have gettid 30c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 31c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#ifndef HAVE_GETTID 32c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent# define gettid getpid 33c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#endif 34c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 35c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 36c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// client singleton for AudioFlinger binder interface 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectMutex AudioSystem::gLock; 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IAudioFlinger> AudioSystem::gAudioFlinger; 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient; 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_error_callback AudioSystem::gAudioErrorCallback = NULL; 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values 45c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<int, audio_io_handle_t> AudioSystem::gStreamOutputMap(0); 46c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); 47c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values for recording queries 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioSystem::gPrevInSamplingRate = 16000; 50fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinint AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::gPrevInChannelCount = 1; 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsize_t AudioSystem::gInBuffSize = 0; 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// establish binder interface to AudioFlinger service 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectconst sp<IAudioFlinger>& AudioSystem::get_audio_flinger() 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(gLock); 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlinger.get() == 0) { 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IServiceManager> sm = defaultServiceManager(); 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IBinder> binder; 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder = sm->getService(String16("media.audio_flinger")); 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (binder != 0) 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("AudioFlinger not published, waiting..."); 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(500000); // 0.5 s 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while(true); 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlingerClient == NULL) { 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlingerClient = new AudioFlingerClient(); 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(NO_ERROR); 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder->linkToDeath(gAudioFlingerClient); 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger = interface_cast<IAudioFlinger>(binder); 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger->registerClient(gAudioFlingerClient); 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?"); 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 82c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioFlinger; 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::muteMicrophone(bool state) { 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::isMicrophoneMuted(bool* state) { 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterVolume(value); 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterMute(bool mute) 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterMute(mute); 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterVolume(float* volume) 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *volume = af->masterVolume(); 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterMute(bool* mute) 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->masterMute(); 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::setStreamVolume(int stream, float value, int output) 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 132fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 135c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setStreamMute(int stream, bool mute) 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 141fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::getStreamVolume(int stream, float* volume, int output) 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 150fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 153c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getStreamMute(int stream, bool* mute) 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 159fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMode(int mode) 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 168fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mode >= AUDIO_MODE_CNT) return BAD_VALUE; 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 174c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 182c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 183c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 185c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 186c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // LOGD("linearToLog(%d)=%f", volume, v); 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // LOGD("logTolinear(%d)=%f", v, volume); 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 217c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 218fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 219fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 221c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 222fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin output = getOutput((audio_stream_type_t)streamType); 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 228c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 230fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("getOutputSamplingRate() reading from output desc"); 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 241fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 248c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 249c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 251fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 252fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 255fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin output = getOutput((audio_stream_type_t)streamType); 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 27148f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 272fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType) 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 279c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 282fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 283fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 286fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin output = getOutput((audio_stream_type_t)streamType); 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 295c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 297c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 298c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 299c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30248f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 303fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int channelCount, 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t* buffSize) 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 312c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((gInBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project || (channelCount != gPrevInChannelCount)) { 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 316c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInChannelCount = channelCount; 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = 0; 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) { 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return PERMISSION_DENIED; 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = af->getInputBufferSize(sampleRate, format, channelCount); 325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *buffSize = gInBuffSize; 327c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 331f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 332f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 333f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 334f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 335f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 336f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 337f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 338342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurentstatus_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int stream) 339342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 340342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 341342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 342342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 343fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 344fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 345342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 346342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 347fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin return af->getRenderPosition(halFrames, dspFrames, getOutput((audio_stream_type_t)stream)); 348342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 349342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 35005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurentunsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 35105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 35205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 35305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 354be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 35505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 35605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 35705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 35805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 35905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 360be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 361be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 362be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 363be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 364be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 365be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 368c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 371c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 3720ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 3730ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gStreamOutputMap.clear(); 3740ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("AudioFlinger server died!"); 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 382fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) { 383c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("ioConfigChanged() event %d", event); 384c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *desc; 385c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t stream; 386c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 387fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 392c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 393c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 394c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent stream = *(uint32_t *)param2; 395fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle); 396c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.indexOfKey(stream) >= 0) { 397c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.replaceValueFor(stream, ioHandle); 398c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 399c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 400c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 401c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 402fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 403c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 404c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 406c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 409c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 410c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d", 411c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); 412c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 413c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 415fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 416c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 417c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 418fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() output %d closed", ioHandle); 419c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 420c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 421c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) { 422c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.valueAt(i) == ioHandle) { 423c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.removeItemsAt(i); 424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 427c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 428c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 429c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 430c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 431fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 432c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 433c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 435c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 436c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 437fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d", 438c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 44948f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 453c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 457c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioSystem::routedToA2dpOutput(int streamType) { 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project switch(streamType) { 460fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 461fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 462fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 463fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 471c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 472c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 474c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// establish binder interface to AudioFlinger service 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyService.get() == 0) { 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 482c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 483c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 485c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 486c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 487c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGW("AudioPolicyService not published, waiting..."); 488c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 489c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } while(true); 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 492c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 497c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 498c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 502fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 503fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 504fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 506c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 507c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setDeviceConnectionState(device, state, device_address); 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 512fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 516fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setPhoneState(int state) 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 525c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 526c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setRingerMode(uint32_t mode, uint32_t mask) 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setRingerMode(mode, mask); 534c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 536fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 537c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 540c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 543fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 544c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 546fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 549c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 551fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 552c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 555fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_output_flags_t flags) 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 557fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent audio_io_handle_t output = 0; 558be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Do not use stream to output map cache if the direct output 559be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // flag is set or if we are likely to use a direct output 560be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // (e.g voice call stream @ 8kHz could use BT SCO device and be routed to 561be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // a direct output on some platforms). 562be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // TODO: the output cache and stream to output mapping implementation needs to 563be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // be reworked for proper operation with direct outputs. This code is too specific 564be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // to the first use case we want to cover (Voice Recognition and Voice Dialer over 565be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Bluetooth SCO 566fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0 && 567fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin ((stream != AUDIO_STREAM_VOICE_CALL && stream != AUDIO_STREAM_BLUETOOTH_SCO) || 568fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin channels != AUDIO_CHANNEL_OUT_MONO || 569be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent (samplingRate != 8000 && samplingRate != 16000))) { 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = AudioSystem::gStreamOutputMap.valueFor(stream); 572fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream); 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 574fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (output == 0) { 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 576fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = aps->getOutput(stream, samplingRate, format, channels, flags); 578fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0) { 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gStreamOutputMap.add(stream, output); 581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return output; 584c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 585c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 586de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 587fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 588de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 589c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 590c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 591c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 592de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 594c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 595de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 596fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 597de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 599c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 601de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 606c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioSystem::getInput(int inputSource, 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 615fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_in_acoustics_t acoustics) 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 618fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getInput(inputSource, samplingRate, format, channels, acoustics); 620c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 643fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 652fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, int index) 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setStreamVolumeIndex(stream, index); 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 659fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, int *index) 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getStreamVolumeIndex(stream, index); 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 666fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 667de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 668de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 669de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 670de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 671de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 672de070137f11d346fba77605bd76a44c040a618fcEric Laurent 673fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 6746b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 6756b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 6766b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten if (aps == 0) return 0; 6776b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 6786b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 6796b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 680de070137f11d346fba77605bd76a44c040a618fcEric Laurentaudio_io_handle_t AudioSystem::getOutputForEffect(effect_descriptor_t *desc) 681de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 682de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 683de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 684de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 685de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 686de070137f11d346fba77605bd76a44c040a618fcEric Laurent 687de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::registerEffect(effect_descriptor_t *desc, 688de070137f11d346fba77605bd76a44c040a618fcEric Laurent audio_io_handle_t output, 689de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 690de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 691de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 692de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 693de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 694de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 695de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->registerEffect(desc, output, strategy, session, id); 696de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 697de070137f11d346fba77605bd76a44c040a618fcEric Laurent 698de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 699de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 700de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 701de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 702de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 703de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 704de070137f11d346fba77605bd76a44c040a618fcEric Laurent 705eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurentstatus_t AudioSystem::isStreamActive(int stream, bool* state, uint32_t inPastMs) { 706eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 707eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 708eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 709eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 710eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 711eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 712eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 713c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 714c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 715c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 716c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 717c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 718c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 719c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGW("AudioPolicyService server died!"); 720c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 721c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 724