AudioSystem.cpp revision a0d68338a88c2ddb4502f95017b546d603ef1ec7
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 38211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten 39211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn KastenDefaultKeyedVector<audio_stream_type_t, audio_io_handle_t> AudioSystem::gStreamOutputMap(0); 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; 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::gPrevInChannelCount = 1; 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 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 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 } 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 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 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::muteMicrophone(bool state) { 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::isMicrophoneMuted(bool* state) { 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 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 af->setMasterVolume(value); 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::setMasterMute(bool mute) 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->setMasterMute(mute); 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::getMasterVolume(float* volume) 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 *volume = af->masterVolume(); 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::getMasterMute(bool* mute) 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 *mute = af->masterMute(); 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::setStreamVolume(audio_stream_type_t stream, float value, int output) 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 126fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 129c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::setStreamMute(audio_stream_type_t stream, bool mute) 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; 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamVolume(audio_stream_type_t stream, float* volume, int output) 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; 147c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 151fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamMute(audio_stream_type_t stream, bool* mute) 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 153fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setMode(audio_mode_t mode) 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 162930f4caa1e311ef7ff538c421a324396157eb24fGlenn Kasten if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE; 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 168c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 171c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 174c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 194b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("linearToLog(%d)=%f", volume, v); 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 202b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("logTolinear(%d)=%f", v, volume); 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 207c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber// DEPRECATED 208c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huberstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) { 209c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber return getOutputSamplingRate(samplingRate, (audio_stream_type_t)streamType); 210c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 211c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 212fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, audio_stream_type_t streamType) 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 217fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 218fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 221fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 228a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 2293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2353856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 245c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber// DEPRECATED 246c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huberstatus_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) { 247c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber return getOutputFrameCount(frameCount, (audio_stream_type_t)streamType); 248c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 249c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 250fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputFrameCount(int* frameCount, audio_stream_type_t streamType) 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 252c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 255fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 256fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 259fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 266a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 272c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 273c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 274c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 27548f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 2763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 281fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 283c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 286fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 287fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 290fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 295c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 297a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 298c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 299c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 304c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30648f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 3073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31258f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kastenstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format, int channelCount, 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t* buffSize) 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 315f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 317f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten size_t inBuffSize = gInBuffSize; 318f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project || (channelCount != gPrevInChannelCount)) { 320f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 321f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 322f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if (af == 0) { 323f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten return PERMISSION_DENIED; 324f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten } 325f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten inBuffSize = af->getInputBufferSize(sampleRate, format, channelCount); 326f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 329c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInChannelCount = channelCount; 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 332f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gInBuffSize = inBuffSize; 333c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 334f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 335f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten *buffSize = inBuffSize; 336c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 340f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 341f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 342f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 343f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 344f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 345f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 346f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 347fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, audio_stream_type_t stream) 348342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 349342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 350342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 351342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 352fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 353fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 354342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 355342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 356fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return af->getRenderPosition(halFrames, dspFrames, getOutput(stream)); 357342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 358342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 35905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurentunsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 36005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 36105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 36205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 363be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 36405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 36505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 36605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 36705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 36805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 369be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 370be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 371be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 372be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 373be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 374be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 3753a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession) { 3763a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 3773a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 3783a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->acquireAudioSessionId(audioSession); 3793a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 3803a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 3813a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 3823a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession) { 3833a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 3843a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 3853a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->releaseAudioSessionId(audioSession); 3863a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 3873a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 3883a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 394c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 3950ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 3960ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gStreamOutputMap.clear(); 3970ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4025ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 405fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) { 4063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *desc; 408211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten audio_stream_type_t stream; 409c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 410fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 415c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 416a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 417211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten stream = *(audio_stream_type_t *)param2; 4183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle); 419c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.indexOfKey(stream) >= 0) { 420c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.replaceValueFor(stream, ioHandle); 421c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 422c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 423c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4253856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 427c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 428a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 429c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 430c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 431c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 432c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 4333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d", 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); 435c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 436c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 437c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 4385ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 4413856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() output %d closed", ioHandle); 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) { 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.valueAt(i) == ioHandle) { 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.removeItemsAt(i); 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 453c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 4545ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 457a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 458c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d", 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 462c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 463c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 465c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 466c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 468c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 469c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 471c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 47248f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 481fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenbool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project switch(streamType) { 483fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 484fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 485fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 486fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 497c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 498c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// establish binder interface to AudioFlinger service 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 5037fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioPolicyService == 0) { 504c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 506c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 507c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 5105ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } while(true); 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 525fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 526fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 527fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 53071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 53171b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 53471b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 53571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 53671b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 53771b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 53871b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 540c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 541fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 544c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 545fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 549c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 550f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setPhoneState(audio_mode_t state) 551c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 552347966c827883711d1ec631f204e4a6ab74e9d99Glenn Kasten if (uint32_t(state) >= AUDIO_MODE_CNT) return BAD_VALUE; 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 555c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 559fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 562c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 564c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 566fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 569fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 574fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 57658f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 578fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_output_flags_t flags) 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 580fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent audio_io_handle_t output = 0; 581be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Do not use stream to output map cache if the direct output 582be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // flag is set or if we are likely to use a direct output 583be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // (e.g voice call stream @ 8kHz could use BT SCO device and be routed to 584be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // a direct output on some platforms). 585be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // TODO: the output cache and stream to output mapping implementation needs to 586be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // be reworked for proper operation with direct outputs. This code is too specific 587be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // to the first use case we want to cover (Voice Recognition and Voice Dialer over 588be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent // Bluetooth SCO 589fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0 && 590fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin ((stream != AUDIO_STREAM_VOICE_CALL && stream != AUDIO_STREAM_BLUETOOTH_SCO) || 591fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin channels != AUDIO_CHANNEL_OUT_MONO || 592be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent (samplingRate != 8000 && samplingRate != 16000))) { 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 594c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = AudioSystem::gStreamOutputMap.valueFor(stream); 5953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream); 596c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 597fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (output == 0) { 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 599fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = aps->getOutput(stream, samplingRate, format, channels, flags); 601fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0) { 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gStreamOutputMap.add(stream, output); 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 606c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return output; 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 609de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 610fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 611de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 615de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 618de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 619fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 620de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 624de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 634eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_io_handle_t AudioSystem::getInput(audio_source_t inputSource, 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 63658f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 6387c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_in_acoustics_t acoustics, 6397c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 642fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 6437c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->getInput(inputSource, samplingRate, format, channels, acoustics, sessionId); 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 667fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 668c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 672c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, 67783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 67883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 679c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 680c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 681c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 68283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->setStreamVolumeIndex(stream, index, device); 683c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 684c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 68583844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, 68683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 68783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 688c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 689c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 690c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 69183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->getStreamVolumeIndex(stream, index, device); 692c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 694fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 695de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 696de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 697de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 698de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 699de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 700de070137f11d346fba77605bd76a44c040a618fcEric Laurent 701fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 7026b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 7036b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 7046b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten if (aps == 0) return 0; 7056b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 7066b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 7076b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 708de070137f11d346fba77605bd76a44c040a618fcEric Laurentaudio_io_handle_t AudioSystem::getOutputForEffect(effect_descriptor_t *desc) 709de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 710de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 711de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 712de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 713de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 714de070137f11d346fba77605bd76a44c040a618fcEric Laurent 715de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::registerEffect(effect_descriptor_t *desc, 7167c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 717de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 718de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 719de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 720de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 721de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 722de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7237c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 724de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 725de070137f11d346fba77605bd76a44c040a618fcEric Laurent 726de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 727de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 728de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 729de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 730de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 731de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 732de070137f11d346fba77605bd76a44c040a618fcEric Laurent 733db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 734db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 735db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 736db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 737db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 738db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 739db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 740fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) 7417c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 742eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 743eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7447c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 745eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 746eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 747eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 748eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 749eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 7509f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 7519f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 7529f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 7533856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 7549f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gStreamOutputMap.clear(); 7559f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 7569f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 7579f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 758c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 759c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 760c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 761c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 762c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 763c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7645ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 765c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 766c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 769