AudioSystem.cpp revision 930f4caa1e311ef7ff538c421a324396157eb24f
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 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// client singleton for AudioFlinger binder interface 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectMutex AudioSystem::gLock; 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IAudioFlinger> AudioSystem::gAudioFlinger; 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient; 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_error_callback AudioSystem::gAudioErrorCallback = NULL; 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values 38c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<int, audio_io_handle_t> AudioSystem::gStreamOutputMap(0); 39c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); 40c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values for recording queries 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioSystem::gPrevInSamplingRate = 16000; 43fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinint AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::gPrevInChannelCount = 1; 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsize_t AudioSystem::gInBuffSize = 0; 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// establish binder interface to AudioFlinger service 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectconst sp<IAudioFlinger>& AudioSystem::get_audio_flinger() 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(gLock); 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlinger.get() == 0) { 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IServiceManager> sm = defaultServiceManager(); 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IBinder> binder; 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder = sm->getService(String16("media.audio_flinger")); 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (binder != 0) 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 595ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger not published, waiting..."); 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(500000); // 0.5 s 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while(true); 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlingerClient == NULL) { 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlingerClient = new AudioFlingerClient(); 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(NO_ERROR); 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder->linkToDeath(gAudioFlingerClient); 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger = interface_cast<IAudioFlinger>(binder); 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger->registerClient(gAudioFlingerClient); 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(gAudioFlinger==0, "no AudioFlinger!?"); 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioFlinger; 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::muteMicrophone(bool state) { 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::isMicrophoneMuted(bool* state) { 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterVolume(value); 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterMute(bool mute) 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterMute(mute); 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterVolume(float* volume) 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *volume = af->masterVolume(); 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterMute(bool* mute) 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->masterMute(); 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::setStreamVolume(int stream, float value, int output) 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 125fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 128c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setStreamMute(int stream, bool mute) 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 134fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::getStreamVolume(int stream, float* volume, int output) 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 143fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 146c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getStreamMute(int stream, bool* mute) 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 152fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMode(int mode) 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 161930f4caa1e311ef7ff538c421a324396157eb24fGlenn Kasten if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 167c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 170c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 173c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 175c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 179c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 193b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("linearToLog(%d)=%f", volume, v); 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 201b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("logTolinear(%d)=%f", v, volume); 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 208c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 209c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 210c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 211fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 212fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 215fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin output = getOutput((audio_stream_type_t)streamType); 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 217c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 218c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 221c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 2233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 228c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 244fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 245fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 248fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin output = getOutput((audio_stream_type_t)streamType); 249c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 251c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 252c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26448f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 2653856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType) 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 272c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 273c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 274c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 275fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 276fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 277c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 279fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin output = getOutput((audio_stream_type_t)streamType); 280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 283c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29548f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 2963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int channelCount, 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t* buffSize) 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((gInBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project || (channelCount != gPrevInChannelCount)) { 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 309c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInChannelCount = channelCount; 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = 0; 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) { 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return PERMISSION_DENIED; 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = af->getInputBufferSize(sampleRate, format, channelCount); 318c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *buffSize = gInBuffSize; 320c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 324f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 325f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 326f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 327f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 328f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 329f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 330f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 331342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurentstatus_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int stream) 332342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 333342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 334342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 335342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 336fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 337fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 338342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 339342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 340fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin return af->getRenderPosition(halFrames, dspFrames, getOutput((audio_stream_type_t)stream)); 341342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 342342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 34305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurentunsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 34405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 34505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 34605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 347be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 34805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 34905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 35005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 35105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 35205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 353be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 354be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 355be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 356be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 357be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 358be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 3593a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession) { 3603a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 3613a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 3623a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->acquireAudioSessionId(audioSession); 3633a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 3643a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 3653a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 3663a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession) { 3673a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 3683a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 3693a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->releaseAudioSessionId(audioSession); 3703a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 3713a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 3723a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 375c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 378c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 3790ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 3800ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gStreamOutputMap.clear(); 3810ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 3865ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 389fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) { 3903856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *desc; 392c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t stream; 393c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 394fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 398c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 399c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 400c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 401c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent stream = *(uint32_t *)param2; 4023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle); 403c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.indexOfKey(stream) >= 0) { 404c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.replaceValueFor(stream, ioHandle); 405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 406c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 410c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 411c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 412c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 413c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 415c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 416c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 4173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d", 418c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); 419c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 420c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 421c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 4225ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 423c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 4253856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() output %d closed", ioHandle); 426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 427c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 428c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) { 429c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.valueAt(i) == ioHandle) { 430c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.removeItemsAt(i); 431c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 432c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 433c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 435c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 436c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 437c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 4385ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4443856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d", 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 453c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 45648f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 460c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 462c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 463c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioSystem::routedToA2dpOutput(int streamType) { 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project switch(streamType) { 467fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 468fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 469fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 470fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 482c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 483c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// establish binder interface to AudioFlinger service 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 485c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 486c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 487c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyService.get() == 0) { 488c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 489c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 492c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 4945ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } while(true); 497c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 498c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 503c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 504c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 506c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 507c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 509fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 510fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 511fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 51471b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 51571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 51871b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 51971b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 52071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 52171b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 52271b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 525fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 526c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 529fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 534c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setPhoneState(int state) 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 536c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 537c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 540c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setRingerMode(uint32_t mode, uint32_t mask) 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 544c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setRingerMode(mode, mask); 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 549fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 551c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 552c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 555c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 556fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 559fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 562c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 564fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 568fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_output_flags_t flags) 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 570fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent audio_io_handle_t output = 0; 571be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Do not use stream to output map cache if the direct output 572be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // flag is set or if we are likely to use a direct output 573be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // (e.g voice call stream @ 8kHz could use BT SCO device and be routed to 574be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // a direct output on some platforms). 575be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // TODO: the output cache and stream to output mapping implementation needs to 576be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // be reworked for proper operation with direct outputs. This code is too specific 577be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // to the first use case we want to cover (Voice Recognition and Voice Dialer over 578be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Bluetooth SCO 579fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0 && 580fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin ((stream != AUDIO_STREAM_VOICE_CALL && stream != AUDIO_STREAM_BLUETOOTH_SCO) || 581fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin channels != AUDIO_CHANNEL_OUT_MONO || 582be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent (samplingRate != 8000 && samplingRate != 16000))) { 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 584c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = AudioSystem::gStreamOutputMap.valueFor(stream); 5853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream); 586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 587fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (output == 0) { 588c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 589fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 590c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = aps->getOutput(stream, samplingRate, format, channels, flags); 591fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0) { 592c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gStreamOutputMap.add(stream, output); 594c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 595c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 596c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return output; 597c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 599de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 600fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 601de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 605de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 606c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 608de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 609fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 610de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 614de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 620c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioSystem::getInput(int inputSource, 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 6287c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_in_acoustics_t acoustics, 6297c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 632fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 6337c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->getInput(inputSource, samplingRate, format, channels, acoustics, sessionId); 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 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->stopInput(input); 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 657fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 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->initStreamVolume(stream, indexMin, indexMax); 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 666fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, int index) 667c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 668c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setStreamVolumeIndex(stream, index); 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 672c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 673fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, int *index) 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 677c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getStreamVolumeIndex(stream, index); 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 679c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 680fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 681de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 682de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 683de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 684de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 685de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 686de070137f11d346fba77605bd76a44c040a618fcEric Laurent 687fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 6886b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 6896b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 6906b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten if (aps == 0) return 0; 6916b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 6926b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 6936b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 694de070137f11d346fba77605bd76a44c040a618fcEric Laurentaudio_io_handle_t AudioSystem::getOutputForEffect(effect_descriptor_t *desc) 695de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 696de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 697de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 698de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 699de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 700de070137f11d346fba77605bd76a44c040a618fcEric Laurent 701de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::registerEffect(effect_descriptor_t *desc, 7027c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 703de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 704de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 705de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 706de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 707de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 708de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7097c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 710de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 711de070137f11d346fba77605bd76a44c040a618fcEric Laurent 712de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 713de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 714de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 715de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 716de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 717de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 718de070137f11d346fba77605bd76a44c040a618fcEric Laurent 719db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 720db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 721db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 722db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 723db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 724db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 725db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 7267c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurentstatus_t AudioSystem::isStreamActive(int stream, bool* state, uint32_t inPastMs) 7277c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 728eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 729eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7307c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 731eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 732eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 733eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 734eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 735eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 7369f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 7379f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 7389f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 7393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 7409f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gStreamOutputMap.clear(); 7419f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 7429f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 7439f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 744c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 745c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 746c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 747c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 748c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 749c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7505ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 751c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 752c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 75389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 755