AudioSystem.cpp revision 46291616486979986cba3ab83e894728ef53063f
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> 231ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 24c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#include <media/IAudioPolicyService.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <math.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2764760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 28fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 29c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 30c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// client singleton for AudioFlinger binder interface 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectMutex AudioSystem::gLock; 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IAudioFlinger> AudioSystem::gAudioFlinger; 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient; 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_error_callback AudioSystem::gAudioErrorCallback = NULL; 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values 39211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten 40c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); 41c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 42f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten// Cached values for recording queries, all protected by gLock 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioSystem::gPrevInSamplingRate = 16000; 4458f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kastenaudio_format_t AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; 45dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenaudio_channel_mask_t AudioSystem::gPrevInChannelMask = AUDIO_CHANNEL_IN_MONO; 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsize_t AudioSystem::gInBuffSize = 0; 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// establish binder interface to AudioFlinger service 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectconst sp<IAudioFlinger>& AudioSystem::get_audio_flinger() 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(gLock); 537fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioFlinger == 0) { 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IServiceManager> sm = defaultServiceManager(); 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IBinder> binder; 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder = sm->getService(String16("media.audio_flinger")); 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (binder != 0) 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 605ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger not published, waiting..."); 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(500000); // 0.5 s 62e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } while (true); 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlingerClient == NULL) { 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlingerClient = new AudioFlingerClient(); 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(NO_ERROR); 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder->linkToDeath(gAudioFlingerClient); 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger = interface_cast<IAudioFlinger>(binder); 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger->registerClient(gAudioFlingerClient); 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(gAudioFlinger==0, "no AudioFlinger!?"); 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioFlinger; 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7946291616486979986cba3ab83e894728ef53063fEric Laurent/* static */ status_t AudioSystem::checkAudioFlinger() 8046291616486979986cba3ab83e894728ef53063fEric Laurent{ 8146291616486979986cba3ab83e894728ef53063fEric Laurent if (defaultServiceManager()->checkService(String16("media.audio_flinger")) != 0) { 8246291616486979986cba3ab83e894728ef53063fEric Laurent return NO_ERROR; 8346291616486979986cba3ab83e894728ef53063fEric Laurent } 8446291616486979986cba3ab83e894728ef53063fEric Laurent return DEAD_OBJECT; 8546291616486979986cba3ab83e894728ef53063fEric Laurent} 8646291616486979986cba3ab83e894728ef53063fEric Laurent 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::muteMicrophone(bool state) { 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::isMicrophoneMuted(bool* state) { 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterVolume(value); 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterMute(bool mute) 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterMute(mute); 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterVolume(float* volume) 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *volume = af->masterVolume(); 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterMute(bool* mute) 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->masterMute(); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13272ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::setStreamVolume(audio_stream_type_t stream, float value, 13372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 135fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 138c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::setStreamMute(audio_stream_type_t stream, bool mute) 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 144fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15172ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::getStreamVolume(audio_stream_type_t stream, float* volume, 15272ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 154fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 157c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamMute(audio_stream_type_t stream, bool* mute) 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 163fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 170f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setMode(audio_mode_t mode) 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 172930f4caa1e311ef7ff538c421a324396157eb24fGlenn Kasten if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE; 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 181c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 186c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 204b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("linearToLog(%d)=%f", volume, v); 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 212b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("logTolinear(%d)=%f", v, volume); 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2173b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioSystem::getOutputSamplingRate(uint32_t* samplingRate, audio_stream_type_t streamType) 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 221fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 222fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 225fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 228c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2301a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getSamplingRate(output, streamType, samplingRate); 2311a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2321a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2331a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getSamplingRate(audio_io_handle_t output, 2341a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 2353b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t* samplingRate) 2361a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2371a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2381a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 241a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 2423856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 244c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 245c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 247c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 249c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 251c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 252c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2533b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGV("getSamplingRate() streamType %d, output %d, sampling rate %u", streamType, output, 25485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten *samplingRate); 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 259e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastenstatus_t AudioSystem::getOutputFrameCount(size_t* frameCount, audio_stream_type_t streamType) 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 263fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 264fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 267fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2721a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getFrameCount(output, streamType, frameCount); 2731a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2741a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2751a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getFrameCount(audio_io_handle_t output, 2761a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 277e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount) 2781a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2791a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2801a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 283a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29248f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 29385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV("getFrameCount() streamType %d, output %d, frameCount %d", streamType, output, 29485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten *frameCount); 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 299fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 303fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 304fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 307fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 309c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 310c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 311c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3121a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getLatency(output, streamType, latency); 3131a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 3141a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 3151a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getLatency(audio_io_handle_t output, 3161a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 3171a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency) 3181a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 3191a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 3201a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 321c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 322c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 323a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 324c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 326c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 327c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 328c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 329c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 330c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 331c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 33248f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 3331a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("getLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 338dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format, 339dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, size_t* buffSize) 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 341f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 343f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten size_t inBuffSize = gInBuffSize; 344f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 345dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten || (channelMask != gPrevInChannelMask)) { 346f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 347f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 348f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if (af == 0) { 349f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten return PERMISSION_DENIED; 350f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten } 351dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask); 352f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 355c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 356dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten gPrevInChannelMask = channelMask; 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 358f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gInBuffSize = inBuffSize; 359c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 360f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 361f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten *buffSize = inBuffSize; 362c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 366f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 367f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 368f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 369f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 370f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 371f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 372f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 373ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioSystem::getRenderPosition(audio_io_handle_t output, size_t *halFrames, 374ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald size_t *dspFrames, audio_stream_type_t stream) 375342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 376342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 377342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 378342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 379fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 380fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 381342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 382342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 383ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald if (output == 0) { 384ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald output = getOutput(stream); 385ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald } 386ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 387ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return af->getRenderPosition(halFrames, dspFrames, output); 388342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 389342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 390e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 39105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 39205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 39305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 394be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 39505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 39605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 39705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 39805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 39905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 400be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 401be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 402be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 403be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 404be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 405be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4063a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession) { 4073a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4083a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 4093a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->acquireAudioSessionId(audioSession); 4103a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4113a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4123a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 4133a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession) { 4143a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4153a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 4163a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->releaseAudioSessionId(audioSession); 4173a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4183a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4193a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 422c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 4260ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 4270ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4325ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43572ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle_t ioHandle, 436b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const void *param2) { 4373856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 438b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const OutputDescriptor *desc; 439211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten audio_stream_type_t stream; 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 441fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4503856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 453a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 454b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 457c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 458fad226abd12435dbcd232f7de396f1a097b2bd5fGlenn Kasten ALOGV("ioConfigChanged() new output samplingRate %u, format %d channel mask %#x frameCount %u " 45985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "latency %d", 460fad226abd12435dbcd232f7de396f1a097b2bd5fGlenn Kasten outputDesc->samplingRate, outputDesc->format, outputDesc->channelMask, 46185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten outputDesc->frameCount, outputDesc->latency); 462c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 463c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 46585007a9bd3c310f96fed47208dfee566fd00351fGlenn Kasten ALOGW("ioConfigChanged() closing unknown output! %d", ioHandle); 466c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 4683856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() output %d closed", ioHandle); 469c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 471c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 472c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 474c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 47685007a9bd3c310f96fed47208dfee566fd00351fGlenn Kasten ALOGW("ioConfigChanged() modifying unknown output! %d", ioHandle); 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 479a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 480b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 482fad226abd12435dbcd232f7de396f1a097b2bd5fGlenn Kasten ALOGV("ioConfigChanged() new config for output %d samplingRate %u, format %d channel mask %#x " 48385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "frameCount %d latency %d", 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 485fad226abd12435dbcd232f7de396f1a097b2bd5fGlenn Kasten desc->channelMask, desc->frameCount, desc->latency); 486c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 487c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 488c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 489c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 492c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 49548f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 503c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 504fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenbool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { 505e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten switch (streamType) { 506fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 507fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 508fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 509fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 52218a6d9029e18a93748d3d9c33f04c1b360aeb7aeGlenn Kasten// establish binder interface to AudioPolicy service 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 525c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 5267fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioPolicyService == 0) { 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 5335ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 534c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 535e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } while (true); 536c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 537c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 540c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 544c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 548fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten// --------------------------------------------------------------------------- 549fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 550fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 551fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 552fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 55571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 55671b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 55971b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 56071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 56171b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 56271b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 56371b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 564c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 566fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 570fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 574c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 575f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setPhoneState(audio_mode_t state) 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 577347966c827883711d1ec631f204e4a6ab74e9d99Glenn Kasten if (uint32_t(state) >= AUDIO_MODE_CNT) return BAD_VALUE; 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 584fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 585c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 587c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 588c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 589c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 590c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 591fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 592c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 594fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 595c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 596c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 597c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 599fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 60158f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 602254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 603ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald audio_output_flags_t flags, 604ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 6061a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 6071a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (aps == 0) return 0; 608ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return aps->getOutput(stream, samplingRate, format, channelMask, flags, offloadInfo); 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 611de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 612fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 613de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 617de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 620de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 621fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 622de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 626de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 636eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_io_handle_t AudioSystem::getInput(audio_source_t inputSource, 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 63858f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 639254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 6407c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 643fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 644254af180475346b6186b49c297f340c9c4817511Glenn Kasten return aps->getInput(inputSource, samplingRate, format, channelMask, sessionId); 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 667c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 668fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 672c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, 67883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 67983844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 680c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 681c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 682c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 68383844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->setStreamVolumeIndex(stream, index, device); 684c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 685c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 68683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, 68783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 68883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 689c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 690c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 691c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 69283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->getStreamVolumeIndex(stream, index, device); 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 694c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 695fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 696de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 697de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 698de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 699de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 700de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 701de070137f11d346fba77605bd76a44c040a618fcEric Laurent 7026374252107fd6539397598195ea6defd5870fafbEric Laurentaudio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 7036b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 7046b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 7056374252107fd6539397598195ea6defd5870fafbEric Laurent if (aps == 0) return (audio_devices_t)0; 7066b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 7076b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 7086b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 70958e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenaudio_io_handle_t AudioSystem::getOutputForEffect(const effect_descriptor_t *desc) 710de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 711de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 712de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 713de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 714de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 715de070137f11d346fba77605bd76a44c040a618fcEric Laurent 71658e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenstatus_t AudioSystem::registerEffect(const effect_descriptor_t *desc, 7177c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 718de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 719de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 720de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 721de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 722de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 723de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7247c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 725de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 726de070137f11d346fba77605bd76a44c040a618fcEric Laurent 727de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 728de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 729de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 730de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 731de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 732de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 733de070137f11d346fba77605bd76a44c040a618fcEric Laurent 734db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 735db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 736db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 737db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 738db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 739db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 740db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 741fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) 7427c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 743eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 744eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7457c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 746eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 747eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 748eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 749eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 750272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivistatus_t AudioSystem::isStreamActiveRemotely(audio_stream_type_t stream, bool* state, 751272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi uint32_t inPastMs) 752272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi{ 753272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 754272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 755272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi if (state == NULL) return BAD_VALUE; 756272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi *state = aps->isStreamActiveRemotely(stream, inPastMs); 757272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi return NO_ERROR; 758272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi} 759272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi 760d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivistatus_t AudioSystem::isSourceActive(audio_source_t stream, bool* state) 761d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi{ 762d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 763d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 764d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (state == NULL) return BAD_VALUE; 765d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi *state = aps->isSourceActive(stream); 766d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi return NO_ERROR; 767d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi} 768d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi 7693b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenuint32_t AudioSystem::getPrimaryOutputSamplingRate() 770cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 771cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 772cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 773cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputSamplingRate(); 774cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 775cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten 776e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioSystem::getPrimaryOutputFrameCount() 777cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 778cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 779cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 780cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputFrameCount(); 781cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 782eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 7834182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kastenstatus_t AudioSystem::setLowRamDevice(bool isLowRamDevice) 7844182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten{ 7854182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 7864182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten if (af == 0) return PERMISSION_DENIED; 7874182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten return af->setLowRamDevice(isLowRamDevice); 7884182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten} 7894182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten 7909f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 7919f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 7929f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 7933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 7949f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 7959f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 7969f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 797ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldbool AudioSystem::isOffloadSupported(const audio_offload_info_t& info) 798ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 799ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald ALOGV("isOffloadSupported()"); 800ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 801ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald if (aps == 0) return false; 802ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return aps->isOffloadSupported(info); 803ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 804ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 805c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 806c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 807c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 808c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 809c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 810c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 8115ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 812c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 813c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 815