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 208c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber// DEPRECATED 209c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huberstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) { 210c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber return getOutputSamplingRate(samplingRate, (audio_stream_type_t)streamType); 211c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 212c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 213fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, audio_stream_type_t streamType) 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 217fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 218fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 221fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2261a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getSamplingRate(output, streamType, samplingRate); 2271a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2281a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2291a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getSamplingRate(audio_io_handle_t output, 2301a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 2311a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent int* samplingRate) 2321a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2331a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2341a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 237a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 2383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2443856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 245c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 247c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 248c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2491a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("getSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 254c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber// DEPRECATED 255c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huberstatus_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) { 256c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber return getOutputFrameCount(frameCount, (audio_stream_type_t)streamType); 257c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 258c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 259fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputFrameCount(int* frameCount, audio_stream_type_t streamType) 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 263fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 264fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 267fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2721a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getFrameCount(output, streamType, frameCount); 2731a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2741a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2751a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getFrameCount(audio_io_handle_t output, 2761a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 2771a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent int* frameCount) 2781a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2791a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2801a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 283a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29248f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 2931a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("getFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 298fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 302fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 303fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 304c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 306fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 307c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 309c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 310c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3111a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getLatency(output, streamType, latency); 3121a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 3131a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 3141a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getLatency(audio_io_handle_t output, 3151a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 3161a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency) 3171a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 3181a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 3191a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 320c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 321c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 322a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 323c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 324c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 326c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 327c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 328c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 329c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 330c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 33148f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 3321a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("getLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 337dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format, 338dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, size_t* buffSize) 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 340f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 342f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten size_t inBuffSize = gInBuffSize; 343f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 344dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten || (channelMask != gPrevInChannelMask)) { 345f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 346f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 347f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if (af == 0) { 348f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten return PERMISSION_DENIED; 349f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten } 350dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask); 351f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 354c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 355dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten gPrevInChannelMask = channelMask; 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 357f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gInBuffSize = inBuffSize; 358c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 359f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 360f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten *buffSize = inBuffSize; 361c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 365f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 366f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 367f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 368f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 369f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 370f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 371f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 372fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, audio_stream_type_t stream) 373342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 374342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 375342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 376342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 377fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 378fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 379342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 380342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 381fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return af->getRenderPosition(halFrames, dspFrames, getOutput(stream)); 382342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 383342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 38405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurentunsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 38505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 38605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 38705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 388be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 38905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 39005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 39105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 39205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 39305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 394be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 395be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 396be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 397be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 398be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 399be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4003a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession) { 4013a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4023a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 4033a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->acquireAudioSessionId(audioSession); 4043a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4053a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4063a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 4073a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession) { 4083a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4093a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 4103a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->releaseAudioSessionId(audioSession); 4113a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4123a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4133a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 416c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 419c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 4200ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 4210ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4265ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42972ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle_t ioHandle, 430b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const void *param2) { 4313856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 432b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const OutputDescriptor *desc; 433211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten audio_stream_type_t stream; 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 435fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4443856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 447a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 448b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 452254af180475346b6186b49c297f340c9c4817511Glenn Kasten ALOGV("ioConfigChanged() new output samplingRate %d, format %d channels %#x frameCount %d latency %d", 453c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 4575ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 458c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 4603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() output %d closed", ioHandle); 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 462c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 463c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 465c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 466c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 4685ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 469c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 471a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 472b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 474254af180475346b6186b49c297f340c9c4817511Glenn Kasten ALOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %#x frameCount %d latency %d", 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 482c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 483c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 485c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 48648f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 492c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 495fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenbool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { 496e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten switch (streamType) { 497fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 498fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 499fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 500fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// establish binder interface to AudioFlinger service 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 5177fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioPolicyService == 0) { 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 5245ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 525c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 526e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } while (true); 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 534c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 536c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 537c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 539fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 540fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 541fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 54471b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 54571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 54871b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 54971b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 55071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 55171b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 55271b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 555fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 559fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 562c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 564f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setPhoneState(audio_mode_t state) 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 566347966c827883711d1ec631f204e4a6ab74e9d99Glenn Kasten if (uint32_t(state) >= AUDIO_MODE_CNT) return BAD_VALUE; 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 573fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 574c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 580fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 583fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 584c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 585c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 587c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 588fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 589c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 59058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 591254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 5920ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags) 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 5941a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 5951a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (aps == 0) return 0; 596254af180475346b6186b49c297f340c9c4817511Glenn Kasten return aps->getOutput(stream, samplingRate, format, channelMask, flags); 597c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 599de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 600fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 601de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 605de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 606c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 608de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 609fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 610de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 614de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 620c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 624eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_io_handle_t AudioSystem::getInput(audio_source_t inputSource, 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 62658f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 627254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 6287c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 631fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 632254af180475346b6186b49c297f340c9c4817511Glenn Kasten return aps->getInput(inputSource, samplingRate, format, channelMask, sessionId); 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 656fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 66583844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, 66683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 66783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 668c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 67183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->setStreamVolumeIndex(stream, index, device); 672c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67483844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, 67583844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 67683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 677c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 679c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 68083844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->getStreamVolumeIndex(stream, index, device); 681c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 682c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 683fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 684de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 685de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 686de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 687de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 688de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 689de070137f11d346fba77605bd76a44c040a618fcEric Laurent 6906374252107fd6539397598195ea6defd5870fafbEric Laurentaudio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 6916b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 6926b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 6936374252107fd6539397598195ea6defd5870fafbEric Laurent if (aps == 0) return (audio_devices_t)0; 6946b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 6956b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 6966b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 69758e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenaudio_io_handle_t AudioSystem::getOutputForEffect(const effect_descriptor_t *desc) 698de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 699de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 700de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 701de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 702de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 703de070137f11d346fba77605bd76a44c040a618fcEric Laurent 70458e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenstatus_t AudioSystem::registerEffect(const effect_descriptor_t *desc, 7057c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 706de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 707de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 708de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 709de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 710de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 711de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7127c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 713de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 714de070137f11d346fba77605bd76a44c040a618fcEric Laurent 715de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 716de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 717de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 718de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 719de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 720de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 721de070137f11d346fba77605bd76a44c040a618fcEric Laurent 722db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 723db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 724db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 725db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 726db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 727db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 728db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 729fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) 7307c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 731eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 732eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7337c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 734eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 735eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 736eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 737eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 738d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivistatus_t AudioSystem::isSourceActive(audio_source_t stream, bool* state) 739d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi{ 740d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 741d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 742d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (state == NULL) return BAD_VALUE; 743d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi *state = aps->isSourceActive(stream); 744d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi return NO_ERROR; 745d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi} 746d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi 747cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kastenint32_t AudioSystem::getPrimaryOutputSamplingRate() 748cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 749cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 750cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 751cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputSamplingRate(); 752cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 753cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten 754cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kastenint32_t AudioSystem::getPrimaryOutputFrameCount() 755cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 756cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 757cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 758cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputFrameCount(); 759cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 760eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 7619f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 7629f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 7639f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 7643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 7659f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 7669f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 7679f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 768c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 769c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 770c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 771c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 772c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 773c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7745ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 775c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 776c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 778