AudioSystem.cpp revision 0ed19594452c901c3c8665d06610fffe46895d06
189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Copyright (C) 2006-2007 The Android Open Source Project 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * you may not use this file except in compliance with the License. 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * You may obtain a copy of the License at 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * See the License for the specific language governing permissions and 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * limitations under the License. 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioSystem" 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 217562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IServiceManager.h> 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioSystem.h> 231ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 24c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#include <media/IAudioPolicyService.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <math.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2764760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 28fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 29c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 30c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// client singleton for AudioFlinger binder interface 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectMutex AudioSystem::gLock; 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IAudioFlinger> AudioSystem::gAudioFlinger; 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient; 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_error_callback AudioSystem::gAudioErrorCallback = NULL; 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values 39211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten 40c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); 41c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 42f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten// Cached values for recording queries, all protected by gLock 435446e541367061b53f45f3fd4600f9060680bca3Glenn Kastenuint32_t AudioSystem::gPrevInSamplingRate; 445446e541367061b53f45f3fd4600f9060680bca3Glenn Kastenaudio_format_t AudioSystem::gPrevInFormat; 455446e541367061b53f45f3fd4600f9060680bca3Glenn Kastenaudio_channel_mask_t AudioSystem::gPrevInChannelMask; 465446e541367061b53f45f3fd4600f9060680bca3Glenn Kastensize_t AudioSystem::gInBuffSize = 0; // zero indicates cache is invalid 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// establish binder interface to AudioFlinger service 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectconst sp<IAudioFlinger>& AudioSystem::get_audio_flinger() 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(gLock); 537fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioFlinger == 0) { 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IServiceManager> sm = defaultServiceManager(); 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IBinder> binder; 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder = sm->getService(String16("media.audio_flinger")); 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (binder != 0) 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 605ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger not published, waiting..."); 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(500000); // 0.5 s 62e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } while (true); 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlingerClient == NULL) { 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlingerClient = new AudioFlingerClient(); 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(NO_ERROR); 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder->linkToDeath(gAudioFlingerClient); 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger = interface_cast<IAudioFlinger>(binder); 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger->registerClient(gAudioFlingerClient); 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(gAudioFlinger==0, "no AudioFlinger!?"); 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioFlinger; 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7946291616486979986cba3ab83e894728ef53063fEric Laurent/* static */ status_t AudioSystem::checkAudioFlinger() 8046291616486979986cba3ab83e894728ef53063fEric Laurent{ 8146291616486979986cba3ab83e894728ef53063fEric Laurent if (defaultServiceManager()->checkService(String16("media.audio_flinger")) != 0) { 8246291616486979986cba3ab83e894728ef53063fEric Laurent return NO_ERROR; 8346291616486979986cba3ab83e894728ef53063fEric Laurent } 8446291616486979986cba3ab83e894728ef53063fEric Laurent return DEAD_OBJECT; 8546291616486979986cba3ab83e894728ef53063fEric Laurent} 8646291616486979986cba3ab83e894728ef53063fEric Laurent 874944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenstatus_t AudioSystem::muteMicrophone(bool state) 884944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 944944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenstatus_t AudioSystem::isMicrophoneMuted(bool* state) 954944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterVolume(value); 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterMute(bool mute) 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterMute(mute); 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterVolume(float* volume) 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *volume = af->masterVolume(); 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterMute(bool* mute) 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->masterMute(); 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13472ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::setStreamVolume(audio_stream_type_t stream, float value, 13572ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 137fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 140c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::setStreamMute(audio_stream_type_t stream, bool mute) 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 146fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::getStreamVolume(audio_stream_type_t stream, float* volume, 15472ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 156fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 159c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamMute(audio_stream_type_t stream, bool* mute) 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 165fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 172f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setMode(audio_mode_t mode) 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 174930f4caa1e311ef7ff538c421a324396157eb24fGlenn Kasten if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE; 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1804944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) 1814944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1874944acb7355b3aa25748fd25945a363a69d65444Glenn KastenString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) 1884944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 191c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 193c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 194c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 197c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kastenstatus_t AudioSystem::setParameters(const String8& keyValuePairs) 198c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten{ 199c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten return setParameters((audio_io_handle_t) 0, keyValuePairs); 200c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten} 201c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten 202c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn KastenString8 AudioSystem::getParameters(const String8& keys) 203c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten{ 204c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten return getParameters((audio_io_handle_t) 0, keys); 205c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten} 206c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 218b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("linearToLog(%d)=%f", volume, v); 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 226b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("logTolinear(%d)=%f", v, volume); 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2313b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioSystem::getOutputSamplingRate(uint32_t* samplingRate, audio_stream_type_t streamType) 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 235fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 236fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 239fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2441a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getSamplingRate(output, streamType, samplingRate); 2451a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2461a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2471a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getSamplingRate(audio_io_handle_t output, 2481a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 2493b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t* samplingRate) 2501a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2511a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2521a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 255a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 2563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 266f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten if (*samplingRate == 0) { 267f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten ALOGE("AudioSystem::getSamplingRate failed for output %d stream type %d", 268f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten output, streamType); 269f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten return BAD_VALUE; 270f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten } 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2723b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGV("getSamplingRate() streamType %d, output %d, sampling rate %u", streamType, output, 27385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten *samplingRate); 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 278e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastenstatus_t AudioSystem::getOutputFrameCount(size_t* frameCount, audio_stream_type_t streamType) 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 282fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 283fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 286fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2911a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getFrameCount(output, streamType, frameCount); 2921a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2931a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2941a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getFrameCount(audio_io_handle_t output, 2951a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 296e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount) 2971a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2981a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2991a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 302a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 304c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 306c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 307c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 309c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 310c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 311f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten if (*frameCount == 0) { 312f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten ALOGE("AudioSystem::getFrameCount failed for output %d stream type %d", 313f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten output, streamType); 314f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten return BAD_VALUE; 315f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten } 31648f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 31785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV("getFrameCount() streamType %d, output %d, frameCount %d", streamType, output, 31885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten *frameCount); 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 323fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 326c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 327fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 328fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 329c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 331fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 332c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 333c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 334c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 335c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3361a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getLatency(output, streamType, latency); 3371a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 3381a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 3391a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getLatency(audio_io_handle_t output, 3400f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kasten audio_stream_type_t streamType __unused, 3411a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency) 3421a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 3431a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 3441a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 345c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 346c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 347a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 348c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 349c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 350c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 351c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 352c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 353c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 354c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 355c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 35648f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 3571a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("getLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 362dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format, 363dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, size_t* buffSize) 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 365f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 367f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten size_t inBuffSize = gInBuffSize; 368f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 369dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten || (channelMask != gPrevInChannelMask)) { 370f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 371f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 372f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if (af == 0) { 373f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten return PERMISSION_DENIED; 374f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten } 375dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask); 3765446e541367061b53f45f3fd4600f9060680bca3Glenn Kasten if (inBuffSize == 0) { 377cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("AudioSystem::getInputBufferSize failed sampleRate %d format %#x channelMask %x", 3785446e541367061b53f45f3fd4600f9060680bca3Glenn Kasten sampleRate, format, channelMask); 3795446e541367061b53f45f3fd4600f9060680bca3Glenn Kasten return BAD_VALUE; 3805446e541367061b53f45f3fd4600f9060680bca3Glenn Kasten } 3815446e541367061b53f45f3fd4600f9060680bca3Glenn Kasten // A benign race is possible here: we could overwrite a fresher cache entry 382f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 385c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 386dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten gPrevInChannelMask = channelMask; 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 388f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gInBuffSize = inBuffSize; 389c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 390f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 391f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten *buffSize = inBuffSize; 392c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 396f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 397f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 398f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 399f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 400f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 401f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 402f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 403377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioSystem::getRenderPosition(audio_io_handle_t output, uint32_t *halFrames, 4040ed19594452c901c3c8665d06610fffe46895d06Glenn Kasten uint32_t *dspFrames) 405342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 406342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 407342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 408342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 409ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return af->getRenderPosition(halFrames, dspFrames, output); 410342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 411342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 4124944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenuint32_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) 4134944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 41405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4155f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kasten uint32_t result = 0; 41605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 417be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 41805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 41905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 42005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 42105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 42205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 4234944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenint AudioSystem::newAudioSessionId() 4244944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 425be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 426be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 427be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 428be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 429be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 430d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession, pid_t pid) 4314944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 4323a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4333a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 434d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen af->acquireAudioSessionId(audioSession, pid); 4353a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4363a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4373a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 438d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession, pid_t pid) 4394944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 4403a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4413a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 442d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen af->releaseAudioSessionId(audioSession, pid); 4433a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4443a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4453a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4484944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who __unused) 4494944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 4530ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 4540ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4595ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 46089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46272ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle_t ioHandle, 463b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const void *param2) { 4643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 465b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const OutputDescriptor *desc; 466211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten audio_stream_type_t stream; 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 468fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 472c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 474c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4773856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 480a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 481b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 482c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 483c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 485cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGV("ioConfigChanged() new output samplingRate %u, format %#x channel mask %#x frameCount %u " 48685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "latency %d", 487fad226abd12435dbcd232f7de396f1a097b2bd5fGlenn Kasten outputDesc->samplingRate, outputDesc->format, outputDesc->channelMask, 48885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten outputDesc->frameCount, outputDesc->latency); 489c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 49285007a9bd3c310f96fed47208dfee566fd00351fGlenn Kasten ALOGW("ioConfigChanged() closing unknown output! %d", ioHandle); 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 4953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() output %d closed", ioHandle); 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 497c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 498c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 50385007a9bd3c310f96fed47208dfee566fd00351fGlenn Kasten ALOGW("ioConfigChanged() modifying unknown output! %d", ioHandle); 504c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 506a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 507b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 509cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGV("ioConfigChanged() new config for output %d samplingRate %u, format %#x channel mask %#x " 51085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "frameCount %d latency %d", 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 512fad226abd12435dbcd232f7de396f1a097b2bd5fGlenn Kasten desc->channelMask, desc->frameCount, desc->latency); 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 52248f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5264944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenvoid AudioSystem::setErrorCallback(audio_error_callback cb) 5274944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5324944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenbool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) 5334944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 534e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten switch (streamType) { 535fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 536fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 537fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 538fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 549c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 55118a6d9029e18a93748d3d9c33f04c1b360aeb7aeGlenn Kasten// establish binder interface to AudioPolicy service 552c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 5557fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioPolicyService == 0) { 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 559c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 5625ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 564e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } while (true); 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 574c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 577fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten// --------------------------------------------------------------------------- 578fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 579fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 580fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 581fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 58471b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 58571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 587c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 58871b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 58971b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 59071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 59171b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 59271b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 594c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 595fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 596c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 597c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 599fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 601c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 604f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setPhoneState(audio_mode_t state) 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 606347966c827883711d1ec631f204e4a6ab74e9d99Glenn Kasten if (uint32_t(state) >= AUDIO_MODE_CNT) return BAD_VALUE; 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 613fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 620fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 623fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 628fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 63058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 631254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 632ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald audio_output_flags_t flags, 633ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 6351a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 6361a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (aps == 0) return 0; 637ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return aps->getOutput(stream, samplingRate, format, channelMask, flags, offloadInfo); 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 640de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 641fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 642de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 646de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 649de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 650fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 651de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 655de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 665eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_io_handle_t AudioSystem::getInput(audio_source_t inputSource, 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 66758f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 668254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 6697c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 672fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 673254af180475346b6186b49c297f340c9c4817511Glenn Kasten return aps->getInput(inputSource, samplingRate, format, channelMask, sessionId); 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 677c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 679c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 680c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 681c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 682c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 683c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 684c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 685c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 686c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 687c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 688c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 689c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 690c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 691c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 692c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 694c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 695c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 696c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 697fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 699c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 700c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 701c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 702c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 703c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 704c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 705c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 70683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, 70783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 70883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 709c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 710c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 71283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->setStreamVolumeIndex(stream, index, device); 713c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 714c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 71583844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, 71683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 71783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 718c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 719c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 720c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 72183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->getStreamVolumeIndex(stream, index, device); 722c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 723c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 724fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 725de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 726de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 727de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 728de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 729de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 730de070137f11d346fba77605bd76a44c040a618fcEric Laurent 7316374252107fd6539397598195ea6defd5870fafbEric Laurentaudio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 7326b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 7336b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 7346374252107fd6539397598195ea6defd5870fafbEric Laurent if (aps == 0) return (audio_devices_t)0; 7356b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 7366b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 7376b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 73858e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenaudio_io_handle_t AudioSystem::getOutputForEffect(const effect_descriptor_t *desc) 739de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 740de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 741efa6ea97022780b68e595e5326e30dbe2a799202Glenn Kasten // FIXME change return type to status_t, and return PERMISSION_DENIED here 742efa6ea97022780b68e595e5326e30dbe2a799202Glenn Kasten if (aps == 0) return 0; 743de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 744de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 745de070137f11d346fba77605bd76a44c040a618fcEric Laurent 74658e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenstatus_t AudioSystem::registerEffect(const effect_descriptor_t *desc, 7477c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 748de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 749de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 750de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 751de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 752de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 753de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7547c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 755de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 756de070137f11d346fba77605bd76a44c040a618fcEric Laurent 757de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 758de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 759de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 760de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 761de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 762de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 763de070137f11d346fba77605bd76a44c040a618fcEric Laurent 764db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 765db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 766db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 767db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 768db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 769db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 770db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 771fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) 7727c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 773eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 774eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7757c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 776eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 777eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 778eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 779eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 780272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivistatus_t AudioSystem::isStreamActiveRemotely(audio_stream_type_t stream, bool* state, 781272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi uint32_t inPastMs) 782272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi{ 783272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 784272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 785272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi if (state == NULL) return BAD_VALUE; 786272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi *state = aps->isStreamActiveRemotely(stream, inPastMs); 787272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi return NO_ERROR; 788272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi} 789272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi 790d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivistatus_t AudioSystem::isSourceActive(audio_source_t stream, bool* state) 791d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi{ 792d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 793d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 794d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (state == NULL) return BAD_VALUE; 795d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi *state = aps->isSourceActive(stream); 796d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi return NO_ERROR; 797d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi} 798d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi 7993b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenuint32_t AudioSystem::getPrimaryOutputSamplingRate() 800cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 801cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 802cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 803cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputSamplingRate(); 804cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 805cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten 806e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioSystem::getPrimaryOutputFrameCount() 807cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 808cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 809cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 810cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputFrameCount(); 811cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 812eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 8134182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kastenstatus_t AudioSystem::setLowRamDevice(bool isLowRamDevice) 8144182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten{ 8154182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8164182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten if (af == 0) return PERMISSION_DENIED; 8174182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten return af->setLowRamDevice(isLowRamDevice); 8184182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten} 8194182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten 8209f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 8219f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 8229f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 8233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 8249f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 8259f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 8269f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 827ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldbool AudioSystem::isOffloadSupported(const audio_offload_info_t& info) 828ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 829ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald ALOGV("isOffloadSupported()"); 830ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 831ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald if (aps == 0) return false; 832ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return aps->isOffloadSupported(info); 833ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 834ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 835c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 836c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 8374944acb7355b3aa25748fd25945a363a69d65444Glenn Kastenvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who __unused) 8384944acb7355b3aa25748fd25945a363a69d65444Glenn Kasten{ 839c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 840c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 841c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 8425ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 843c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 844c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 846