AudioSystem.cpp revision c813985abd8ba61e999b3505f6a332574f87a1be
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 41f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten// Cached values for recording queries, all protected by gLock 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 123fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::setStreamVolume(audio_stream_type_t 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 132fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::setStreamMute(audio_stream_type_t 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 141fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamVolume(audio_stream_type_t 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 150fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamMute(audio_stream_type_t 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 159f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setMode(audio_mode_t 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 206c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber// DEPRECATED 207c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huberstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) { 208c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber return getOutputSamplingRate(samplingRate, (audio_stream_type_t)streamType); 209c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 210c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 211fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, audio_stream_type_t streamType) 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 216fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 217fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 218c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 220fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 221c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 2283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 244c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber// DEPRECATED 245c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huberstatus_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) { 246c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber return getOutputFrameCount(frameCount, (audio_stream_type_t)streamType); 247c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 248c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 249fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputFrameCount(int* frameCount, audio_stream_type_t streamType) 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 251c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 252c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 254fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 255fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 258fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 272c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 273c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 27448f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 2753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 280fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 283c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 285fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 286fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 289fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 295c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 297c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 298c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 299c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 304c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30548f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 3063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 311c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int channelCount, 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t* buffSize) 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 314f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 316f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten size_t inBuffSize = gInBuffSize; 317f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project || (channelCount != gPrevInChannelCount)) { 319f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 320f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 321f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if (af == 0) { 322f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten return PERMISSION_DENIED; 323f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten } 324f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten inBuffSize = af->getInputBufferSize(sampleRate, format, channelCount); 325f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 328c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInChannelCount = channelCount; 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 331f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gInBuffSize = inBuffSize; 332c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 333f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 334f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten *buffSize = inBuffSize; 335c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 339f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 340f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 341f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 342f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 343f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 344f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 345f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 346fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, audio_stream_type_t stream) 347342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 348342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 349342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 350342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 351fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 352fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 353342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 354342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 355fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return af->getRenderPosition(halFrames, dspFrames, getOutput(stream)); 356342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 357342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 35805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurentunsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 35905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 36005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 36105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 362be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 36305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 36405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 36505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 36605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 36705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 368be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 369be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 370be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 371be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 372be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 373be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 3743a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession) { 3753a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 3763a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 3773a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->acquireAudioSessionId(audioSession); 3783a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 3793a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 3803a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 3813a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession) { 3823a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 3833a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 3843a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->releaseAudioSessionId(audioSession); 3853a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 3863a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 3873a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 390c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 393c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 3940ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 3950ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gStreamOutputMap.clear(); 3960ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4015ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 404fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) { 4053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 406c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *desc; 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t stream; 408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 409fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 413c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 415c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 416c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent stream = *(uint32_t *)param2; 4173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle); 418c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.indexOfKey(stream) >= 0) { 419c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.replaceValueFor(stream, ioHandle); 420c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 421c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 422c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 423c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4243856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 427c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 428c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 429c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 430c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 431c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 4323856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d", 433c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 435c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 436c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 4375ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 438c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 4403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() output %d closed", ioHandle); 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) { 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.valueAt(i) == ioHandle) { 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.removeItemsAt(i); 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 4535ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 457c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 458c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4593856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d", 460c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 462c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 463c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 465c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 466c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 468c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 469c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 47148f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 480fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenbool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project switch(streamType) { 482fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 483fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 484fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 485fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 497c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 498c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// establish binder interface to AudioFlinger service 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyService.get() == 0) { 503c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 504c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 506c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 507c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 5095ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } while(true); 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 524fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 525fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 526fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 52971b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 53071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 53371b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 53471b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 53571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 53671b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 53771b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 540fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 544fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 549f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setPhoneState(audio_mode_t state) 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 551c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 552c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 555c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setRingerMode(uint32_t mode, uint32_t mask) 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 559c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setRingerMode(mode, mask); 562c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 564fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 571fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 574fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 579fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 583fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_output_flags_t flags) 584c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 585fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent audio_io_handle_t output = 0; 586be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Do not use stream to output map cache if the direct output 587be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // flag is set or if we are likely to use a direct output 588be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // (e.g voice call stream @ 8kHz could use BT SCO device and be routed to 589be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // a direct output on some platforms). 590be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // TODO: the output cache and stream to output mapping implementation needs to 591be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // be reworked for proper operation with direct outputs. This code is too specific 592be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // to the first use case we want to cover (Voice Recognition and Voice Dialer over 593be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Bluetooth SCO 594fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0 && 595fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin ((stream != AUDIO_STREAM_VOICE_CALL && stream != AUDIO_STREAM_BLUETOOTH_SCO) || 596fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin channels != AUDIO_CHANNEL_OUT_MONO || 597be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent (samplingRate != 8000 && samplingRate != 16000))) { 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 599c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = AudioSystem::gStreamOutputMap.valueFor(stream); 6003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream); 601c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 602fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (output == 0) { 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 604fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = aps->getOutput(stream, samplingRate, format, channels, flags); 606fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0) { 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gStreamOutputMap.add(stream, output); 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return output; 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 614de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 615fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 616de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 620de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 623de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 624fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 625de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 629de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioSystem::getInput(int inputSource, 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 6437c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_in_acoustics_t acoustics, 6447c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 647fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 6487c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->getInput(inputSource, samplingRate, format, channels, acoustics, sessionId); 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 667c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 668c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 672fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 677c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 679c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 680c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 68183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, 68283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 68383844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 684c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 685c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 686c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 68783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->setStreamVolumeIndex(stream, index, device); 688c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 689c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 69083844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, 69183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 69283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 694c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 695c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 69683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->getStreamVolumeIndex(stream, index, device); 697c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 699fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 700de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 701de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 702de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 703de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 704de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 705de070137f11d346fba77605bd76a44c040a618fcEric Laurent 706fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 7076b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 7086b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 7096b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten if (aps == 0) return 0; 7106b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 7116b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 7126b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 713de070137f11d346fba77605bd76a44c040a618fcEric Laurentaudio_io_handle_t AudioSystem::getOutputForEffect(effect_descriptor_t *desc) 714de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 715de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 716de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 717de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 718de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 719de070137f11d346fba77605bd76a44c040a618fcEric Laurent 720de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::registerEffect(effect_descriptor_t *desc, 7217c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 722de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 723de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 724de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 725de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 726de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 727de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7287c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 729de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 730de070137f11d346fba77605bd76a44c040a618fcEric Laurent 731de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 732de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 733de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 734de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 735de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 736de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 737de070137f11d346fba77605bd76a44c040a618fcEric Laurent 738db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 739db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 740db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 741db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 742db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 743db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 744db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 745fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) 7467c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 747eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 748eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7497c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 750eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 751eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 752eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 753eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 754eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 7559f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 7569f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 7579f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 7583856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 7599f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gStreamOutputMap.clear(); 7609f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 7619f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 7629f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 763c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 764c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 765c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 766c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 767c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 768c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7695ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 770c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 771c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 774