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 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; 4358f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kastenaudio_format_t AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; 44dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenaudio_channel_mask_t AudioSystem::gPrevInChannelMask = AUDIO_CHANNEL_IN_MONO; 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); 527fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioFlinger == 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 61e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } 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 } 68e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } 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 12372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::setStreamVolume(audio_stream_type_t stream, float value, 12472ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t 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 14272ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::getStreamVolume(audio_stream_type_t stream, float* volume, 14372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 145fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 148c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamMute(audio_stream_type_t stream, bool* mute) 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 154fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setMode(audio_mode_t mode) 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 163930f4caa1e311ef7ff538c421a324396157eb24fGlenn Kasten if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE; 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 169c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 172c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 181c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 195b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("linearToLog(%d)=%f", volume, v); 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 203b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("logTolinear(%d)=%f", v, volume); 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2081127d65d536ebbe447ee17ce0926a7ce4a2a3c08Glenn Kastenstatus_t AudioSystem::getOutputSamplingRate(uint32_t* samplingRate, audio_stream_type_t streamType) 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 210c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 212fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 213fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 216fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 217c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 218c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2211a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getSamplingRate(output, streamType, samplingRate); 2221a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2231a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2241a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getSamplingRate(audio_io_handle_t output, 2251a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 2261127d65d536ebbe447ee17ce0926a7ce4a2a3c08Glenn Kasten uint32_t* samplingRate) 2271a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2281a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2291a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 232a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 2333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2441127d65d536ebbe447ee17ce0926a7ce4a2a3c08Glenn Kasten ALOGV("getSamplingRate() streamType %d, output %d, sampling rate %u", streamType, output, 2458af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten *samplingRate); 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2507da35f231725aa6e0b2ac8714a7d66471368df77Glenn Kastenstatus_t AudioSystem::getOutputFrameCount(size_t* frameCount, audio_stream_type_t streamType) 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 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 2631a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getFrameCount(output, streamType, frameCount); 2641a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2651a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2661a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getFrameCount(audio_io_handle_t output, 2671a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 2687da35f231725aa6e0b2ac8714a7d66471368df77Glenn Kasten size_t* frameCount) 2691a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2701a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2711a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 272c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 273c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 274a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 275c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 276c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 277c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 278c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 279c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28348f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 2848af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten ALOGV("getFrameCount() streamType %d, output %d, frameCount %d", streamType, output, 2858af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten *frameCount); 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 290fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 294fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 295fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 298fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 299c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3031a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getLatency(output, streamType, latency); 3041a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 3051a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 3061a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getLatency(audio_io_handle_t output, 3071a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 3081a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency) 3091a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 3101a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 3111a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 312c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 313c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 314a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 315c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 316c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 317c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 318c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 319c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 320c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 321c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 322c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 32348f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 3241a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("getLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 329dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format, 330dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, size_t* buffSize) 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 332f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 334f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten size_t inBuffSize = gInBuffSize; 335f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 336dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten || (channelMask != gPrevInChannelMask)) { 337f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 338f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 339f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if (af == 0) { 340f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten return PERMISSION_DENIED; 341f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten } 342dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask); 343f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 346c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 347dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten gPrevInChannelMask = channelMask; 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 349f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gInBuffSize = inBuffSize; 350c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 351f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 352f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten *buffSize = inBuffSize; 353c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 357f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 358f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 359f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 360f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 361f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 362f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 363f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 3647da35f231725aa6e0b2ac8714a7d66471368df77Glenn Kastenstatus_t AudioSystem::getRenderPosition(size_t *halFrames, size_t *dspFrames, 3658af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten audio_stream_type_t stream) 366342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 367342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 368342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 369342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 370fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 371fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 372342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 373342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 374fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return af->getRenderPosition(halFrames, dspFrames, getOutput(stream)); 375342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 376342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 3777da35f231725aa6e0b2ac8714a7d66471368df77Glenn Kastensize_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 37805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 37905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 38005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 381be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 38205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 38305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 38405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 38505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 38605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 387be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 388be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 389be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 390be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 391be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 392be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 3933a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession) { 3943a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 3953a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 3963a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->acquireAudioSessionId(audioSession); 3973a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 3983a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 3993a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 4003a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession) { 4013a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4023a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 4033a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->releaseAudioSessionId(audioSession); 4043a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4053a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4063a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 409c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 412c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 4130ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 4140ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4195ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42272ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle_t ioHandle, 423b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const void *param2) { 4243856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 425b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const OutputDescriptor *desc; 426211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten audio_stream_type_t stream; 427c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 428fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 432c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 433c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 435c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 436c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4373856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 438c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 440a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 441b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 4457da35f231725aa6e0b2ac8714a7d66471368df77Glenn Kasten ALOGV("ioConfigChanged() new output samplingRate %u, format %d channels %#x frameCount %u " 4468af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten "latency %d", 4478af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten outputDesc->samplingRate, outputDesc->format, outputDesc->channels, 4488af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten outputDesc->frameCount, outputDesc->latency); 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 4525ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 453c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 4553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() output %d closed", ioHandle); 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 457c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 458c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 460c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 462c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 4635ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 465c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 466a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 467b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 468c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4691127d65d536ebbe447ee17ce0926a7ce4a2a3c08Glenn Kasten ALOGV("ioConfigChanged() new config for output %d samplingRate %u, format %d channels %#x " 4708af901cdea0af7e536579dee6d56e69987035a01Glenn Kasten "frameCount %d latency %d", 471c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 472c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 474c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 48248f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 486c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 487c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 488c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 489c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 491fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenbool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { 492e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten switch (streamType) { 493fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 494fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 495fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 496fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 504c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 506c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 507c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 509d7823e49c324a76e1e3a5e51e244aabe8eecdfcaGlenn Kasten// establish binder interface to AudioPolicy service 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 5137fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioPolicyService == 0) { 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 5205ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 522e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } while (true); 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 525c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 526c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 534c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 535fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 536fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 537fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 54071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 54171b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 54471b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 54571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 54671b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 54771b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 54871b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 549c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 551fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 552c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 555fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 559c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 560f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setPhoneState(audio_mode_t state) 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 562347966c827883711d1ec631f204e4a6ab74e9d99Glenn Kasten if (uint32_t(state) >= AUDIO_MODE_CNT) return BAD_VALUE; 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 564c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 569fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 574c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 576fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 579fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 584fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 585c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 58658f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 587254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 5880ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags) 589c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 5901a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 5911a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (aps == 0) return 0; 592254af180475346b6186b49c297f340c9c4817511Glenn Kasten return aps->getOutput(stream, samplingRate, format, channelMask, flags); 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 594c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 595de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 596fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 597de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 599c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 601de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 604de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 605fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 606de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 610de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 620eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_io_handle_t AudioSystem::getInput(audio_source_t inputSource, 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 62258f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 623254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 6247c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 627fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 628254af180475346b6186b49c297f340c9c4817511Glenn Kasten return aps->getInput(inputSource, samplingRate, format, channelMask, sessionId); 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 652fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 66183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, 66283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 66383844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 66783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->setStreamVolumeIndex(stream, index, device); 668c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67083844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, 67183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 67283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 67683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->getStreamVolumeIndex(stream, index, device); 677c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 679fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 680de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 681de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 682de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 683de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 684de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 685de070137f11d346fba77605bd76a44c040a618fcEric Laurent 6866374252107fd6539397598195ea6defd5870fafbEric Laurentaudio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 6876b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 6886b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 6896374252107fd6539397598195ea6defd5870fafbEric Laurent if (aps == 0) return (audio_devices_t)0; 6906b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 6916b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 6926b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 69358e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenaudio_io_handle_t AudioSystem::getOutputForEffect(const effect_descriptor_t *desc) 694de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 695de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 696de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 697de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 698de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 699de070137f11d346fba77605bd76a44c040a618fcEric Laurent 70058e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenstatus_t AudioSystem::registerEffect(const effect_descriptor_t *desc, 7017c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 702de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 703de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 704de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 705de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 706de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 707de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7087c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 709de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 710de070137f11d346fba77605bd76a44c040a618fcEric Laurent 711de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 712de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 713de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 714de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 715de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 716de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 717de070137f11d346fba77605bd76a44c040a618fcEric Laurent 718db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 719db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 720db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 721db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 722db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 723db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 724db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 725fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) 7267c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 727eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 728eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7297c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 730eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 731eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 732eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 733eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 734e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivistatus_t AudioSystem::isStreamActiveRemotely(audio_stream_type_t stream, bool* state, 735e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi uint32_t inPastMs) 736e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi{ 737e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 738e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 739e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi if (state == NULL) return BAD_VALUE; 740e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi *state = aps->isStreamActiveRemotely(stream, inPastMs); 741e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi return NO_ERROR; 742e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi} 743e336f9113bdd35119866a3c3f8008ca01c576660Jean-Michel Trivi 744e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivistatus_t AudioSystem::isSourceActive(audio_source_t stream, bool* state) 745e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi{ 746e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 747e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 748e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi if (state == NULL) return BAD_VALUE; 749e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi *state = aps->isSourceActive(stream); 750e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi return NO_ERROR; 751e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi} 752e3f641fd9348bf7f4c07f6cc707347fccea1439cJean-Michel Trivi 7531127d65d536ebbe447ee17ce0926a7ce4a2a3c08Glenn Kastenuint32_t AudioSystem::getPrimaryOutputSamplingRate() 7544c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten{ 7554c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 7564c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten if (af == 0) return 0; 7574c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten return af->getPrimaryOutputSamplingRate(); 7584c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten} 7594c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten 7607da35f231725aa6e0b2ac8714a7d66471368df77Glenn Kastensize_t AudioSystem::getPrimaryOutputFrameCount() 7614c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten{ 7624c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 7634c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten if (af == 0) return 0; 7644c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten return af->getPrimaryOutputFrameCount(); 7654c6db4ce1e2760682d1c9e66448dbb39bb5d14d8Glenn Kasten} 766eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 7679f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 7689f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 7699f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 7703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 7719f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 7729f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 7739f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 774c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 775c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 776c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 777c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 778c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 779c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7805ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 781c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 782c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 784