AudioSystem.cpp revision 1ab85ec401801ef9a9184650d0f5a1639b45eeb9
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 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioSystem::gPrevInSamplingRate = 16000; 4458f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kastenaudio_format_t AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; 45dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenaudio_channel_mask_t AudioSystem::gPrevInChannelMask = AUDIO_CHANNEL_IN_MONO; 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsize_t AudioSystem::gInBuffSize = 0; 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// establish binder interface to AudioFlinger service 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectconst sp<IAudioFlinger>& AudioSystem::get_audio_flinger() 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(gLock); 537fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioFlinger == 0) { 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IServiceManager> sm = defaultServiceManager(); 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IBinder> binder; 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder = sm->getService(String16("media.audio_flinger")); 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (binder != 0) 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 605ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger not published, waiting..."); 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(500000); // 0.5 s 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 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::muteMicrophone(bool state) { 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::isMicrophoneMuted(bool* state) { 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterVolume(value); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterMute(bool mute) 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterMute(mute); 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterVolume(float* volume) 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *volume = af->masterVolume(); 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterMute(bool* mute) 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->masterMute(); 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12472ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::setStreamVolume(audio_stream_type_t stream, float value, 12572ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 127fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 130c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::setStreamMute(audio_stream_type_t stream, bool mute) 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 136fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenstatus_t AudioSystem::getStreamVolume(audio_stream_type_t stream, float* volume, 14472ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output) 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; 149c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 153fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getStreamMute(audio_stream_type_t stream, bool* mute) 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 155fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setMode(audio_mode_t mode) 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 164930f4caa1e311ef7ff538c421a324396157eb24fGlenn Kasten if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE; 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 170c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 173c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 179c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 181c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 182c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 196b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("linearToLog(%d)=%f", volume, v); 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 204b8a805261bf0282e992d3608035e47d05a898710Steve Block // ALOGD("logTolinear(%d)=%f", v, volume); 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2093b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioSystem::getOutputSamplingRate(uint32_t* samplingRate, audio_stream_type_t streamType) 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 212c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 213fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 214fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 217fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 218c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 221c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2221a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getSamplingRate(output, streamType, samplingRate); 2231a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2241a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2251a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getSamplingRate(audio_io_handle_t output, 2261a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 2273b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t* samplingRate) 2281a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2291a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2301a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 233a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 2343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 2403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getOutputSamplingRate() reading from output desc"); 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 244c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2453b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGV("getSamplingRate() streamType %d, output %d, sampling rate %u", streamType, output, 24685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten *samplingRate); 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 251e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastenstatus_t AudioSystem::getOutputFrameCount(size_t* frameCount, audio_stream_type_t streamType) 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 255fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 256fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 259fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2641a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getFrameCount(output, streamType, frameCount); 2651a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 2661a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2671a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getFrameCount(audio_io_handle_t output, 2681a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 269e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount) 2701a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 2711a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 2721a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 273c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 274c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 275a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 276c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 277c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 278c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 279c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 283c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28448f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 28585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV("getFrameCount() streamType %d, output %d, frameCount %d", streamType, output, 28685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten *frameCount); 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 291fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 295fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 296fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 297c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 299fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten output = getOutput(streamType); 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3041a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return getLatency(output, streamType, latency); 3051a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent} 3061a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 3071a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurentstatus_t AudioSystem::getLatency(audio_io_handle_t output, 3081a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 3091a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency) 3101a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent{ 3111a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent OutputDescriptor *outputDesc; 3121a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 313c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 314c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 315a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (outputDesc == NULL) { 316c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 317c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 318c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 319c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 320c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 321c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 322c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 323c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 32448f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 3251a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("getLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 330dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kastenstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format, 331dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, size_t* buffSize) 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 333f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 335f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten size_t inBuffSize = gInBuffSize; 336f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 337dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten || (channelMask != gPrevInChannelMask)) { 338f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 339f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 340f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten if (af == 0) { 341f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten return PERMISSION_DENIED; 342f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten } 343dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask); 344f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.lock(); 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 347c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 348dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten gPrevInChannelMask = channelMask; 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 350f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gInBuffSize = inBuffSize; 351c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 352f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten gLock.unlock(); 353f8c1a6f7ef515810356816b50bfe18af95f3ec32Glenn Kasten *buffSize = inBuffSize; 354c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 358f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurentstatus_t AudioSystem::setVoiceVolume(float value) 359f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent{ 360f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 361f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent if (af == 0) return PERMISSION_DENIED; 362f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent return af->setVoiceVolume(value); 363f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent} 364f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent 365ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioSystem::getRenderPosition(audio_io_handle_t output, size_t *halFrames, 366ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald size_t *dspFrames, audio_stream_type_t stream) 367342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent{ 368342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 369342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent if (af == 0) return PERMISSION_DENIED; 370342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 371fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (stream == AUDIO_STREAM_DEFAULT) { 372fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin stream = AUDIO_STREAM_MUSIC; 373342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent } 374342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 375ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald if (output == 0) { 376ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald output = getOutput(stream); 377ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald } 378ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 379ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return af->getRenderPosition(halFrames, dspFrames, output); 380342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent} 381342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 382e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { 38305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 38405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent unsigned int result = 0; 38505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent if (af == 0) return result; 386be55a2d66f03e80524a346500ffa9fd046410b28Eric Laurent if (ioHandle == 0) return result; 38705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 38805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent result = af->getInputFramesLost(ioHandle); 38905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return result; 39005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 39105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 392be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioSystem::newAudioSessionId() { 393be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 394be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (af == 0) return 0; 395be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return af->newAudioSessionId(); 396be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 397be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 3983a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::acquireAudioSessionId(int audioSession) { 3993a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4003a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 4013a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->acquireAudioSessionId(audioSession); 4023a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4033a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4043a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 4053a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissenvoid AudioSystem::releaseAudioSessionId(int audioSession) { 4063a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 4073a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen if (af != 0) { 4083a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen af->releaseAudioSessionId(audioSession); 4093a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen } 4103a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen} 4113a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 417c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 4180ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent // clear output handles and stream to output map caches 4190ef583f785528ef2785e6149d5964004cd1016b0Eric Laurent AudioSystem::gOutputs.clear(); 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4245ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioFlinger server died!"); 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42772ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kastenvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle_t ioHandle, 428b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const void *param2) { 4293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() event %d", event); 430b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten const OutputDescriptor *desc; 431211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten audio_stream_type_t stream; 432c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 433fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 437c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 438c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 439c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 4423856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 445a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (param2 == NULL) break; 446b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten desc = (const OutputDescriptor *)param2; 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 450e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("ioConfigChanged() new output samplingRate %u, format %d channels %#x frameCount %u " 45185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "latency %d", 45285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten outputDesc->samplingRate, outputDesc->format, outputDesc->channels, 45385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten 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 4743b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGV("ioConfigChanged() new config for output %d samplingRate %u, format %d channels %#x " 47585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "frameCount %d latency %d", 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 482c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 483c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 485c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 486c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 48748f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 492c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 496fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenbool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { 497e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten switch (streamType) { 498fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_MUSIC: 499fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_VOICE_CALL: 500fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_BLUETOOTH_SCO: 501fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin case AUDIO_STREAM_SYSTEM: 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 51418a6d9029e18a93748d3d9c33f04c1b360aeb7aeGlenn Kasten// establish binder interface to AudioPolicy service 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 5187fc9a6fdf146ded90b51c52f4a05d797294dcb85Glenn Kasten if (gAudioPolicyService == 0) { 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 5255ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService not published, waiting..."); 526c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 527e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } while (true); 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 532c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 534c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 536c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 537c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 540fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setDeviceConnectionState(audio_devices_t device, 541fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_policy_dev_state_t state, 542fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin const char *device_address) 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 544c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 54571b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent const char *address = ""; 54671b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 54971b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent if (device_address != NULL) { 55071b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent address = device_address; 55171b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent } 55271b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent 55371b63e3ef687c379368be6b02e70bd2feb0b6b8dEric Laurent return aps->setDeviceConnectionState(device, state, address); 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 555c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 556fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 559c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 560fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 562c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 564c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 565f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kastenstatus_t AudioSystem::setPhoneState(audio_mode_t state) 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 567347966c827883711d1ec631f204e4a6ab74e9d99Glenn Kasten if (uint32_t(state) >= AUDIO_MODE_CNT) return BAD_VALUE; 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 574fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 581fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 584fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (aps == 0) return AUDIO_POLICY_FORCE_NONE; 585c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 587c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 588c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 589fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinaudio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, 590c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 59158f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 592254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 593ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald audio_output_flags_t flags, 594ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 595c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 5961a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 5971a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (aps == 0) return 0; 598ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return aps->getOutput(stream, samplingRate, format, channelMask, flags, offloadInfo); 599c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 601de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, 602fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 603de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 606c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 607de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->startOutput(output, stream, session); 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 610de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, 611fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 612de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session) 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 616de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->stopOutput(output, stream, session); 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 620c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 626eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_io_handle_t AudioSystem::getInput(audio_source_t inputSource, 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 62858f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 629254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask, 6307c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId) 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 633fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 634254af180475346b6186b49c297f340c9c4817511Glenn Kasten return aps->getInput(inputSource, samplingRate, format, channelMask, sessionId); 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 658fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinstatus_t AudioSystem::initStreamVolume(audio_stream_type_t stream, 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 66783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, 66883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 66983844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 672c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 67383844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->setStreamVolumeIndex(stream, index, device); 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurentstatus_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, 67783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 67883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device) 679c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 680c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 681c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 68283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent return aps->getStreamVolumeIndex(stream, index, device); 683c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 684c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 685fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavinuint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) 686de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 687de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 688de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return 0; 689de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getStrategyForStream(stream); 690de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 691de070137f11d346fba77605bd76a44c040a618fcEric Laurent 6926374252107fd6539397598195ea6defd5870fafbEric Laurentaudio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) 6936b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten{ 6946b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 6956374252107fd6539397598195ea6defd5870fafbEric Laurent if (aps == 0) return (audio_devices_t)0; 6966b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten return aps->getDevicesForStream(stream); 6976b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten} 6986b2718c67aa7b1a8e3b0f25a73a0d5f72c59ffc3Glenn Kasten 69958e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenaudio_io_handle_t AudioSystem::getOutputForEffect(const effect_descriptor_t *desc) 700de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 701de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 702de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 703de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->getOutputForEffect(desc); 704de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 705de070137f11d346fba77605bd76a44c040a618fcEric Laurent 70658e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kastenstatus_t AudioSystem::registerEffect(const effect_descriptor_t *desc, 7077c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 708de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 709de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 710de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id) 711de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 712de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 713de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 7147c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent return aps->registerEffect(desc, io, strategy, session, id); 715de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 716de070137f11d346fba77605bd76a44c040a618fcEric Laurent 717de070137f11d346fba77605bd76a44c040a618fcEric Laurentstatus_t AudioSystem::unregisterEffect(int id) 718de070137f11d346fba77605bd76a44c040a618fcEric Laurent{ 719de070137f11d346fba77605bd76a44c040a618fcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 720de070137f11d346fba77605bd76a44c040a618fcEric Laurent if (aps == 0) return PERMISSION_DENIED; 721de070137f11d346fba77605bd76a44c040a618fcEric Laurent return aps->unregisterEffect(id); 722de070137f11d346fba77605bd76a44c040a618fcEric Laurent} 723de070137f11d346fba77605bd76a44c040a618fcEric Laurent 724db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurentstatus_t AudioSystem::setEffectEnabled(int id, bool enabled) 725db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent{ 726db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 727db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent if (aps == 0) return PERMISSION_DENIED; 728db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent return aps->setEffectEnabled(id, enabled); 729db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent} 730db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent 731fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenstatus_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) 7327c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent{ 733eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 734eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent if (aps == 0) return PERMISSION_DENIED; 7357c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (state == NULL) return BAD_VALUE; 736eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent *state = aps->isStreamActive(stream, inPastMs); 737eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent return NO_ERROR; 738eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent} 739eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 740272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivistatus_t AudioSystem::isStreamActiveRemotely(audio_stream_type_t stream, bool* state, 741272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi uint32_t inPastMs) 742272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi{ 743272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 744272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 745272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi if (state == NULL) return BAD_VALUE; 746272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi *state = aps->isStreamActiveRemotely(stream, inPastMs); 747272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi return NO_ERROR; 748272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi} 749272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi 750d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivistatus_t AudioSystem::isSourceActive(audio_source_t stream, bool* state) 751d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi{ 752d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 753d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (aps == 0) return PERMISSION_DENIED; 754d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi if (state == NULL) return BAD_VALUE; 755d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi *state = aps->isSourceActive(stream); 756d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi return NO_ERROR; 757d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi} 758d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi 7593b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenuint32_t AudioSystem::getPrimaryOutputSamplingRate() 760cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 761cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 762cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 763cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputSamplingRate(); 764cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 765cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten 766e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioSystem::getPrimaryOutputFrameCount() 767cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten{ 768cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 769cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten if (af == 0) return 0; 770cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten return af->getPrimaryOutputFrameCount(); 771cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten} 772eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent 7739f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurentvoid AudioSystem::clearAudioConfigCache() 7749f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent{ 7759f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent Mutex::Autolock _l(gLock); 7763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("clearAudioConfigCache()"); 7779f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent gOutputs.clear(); 7789f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent} 7799f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 780ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldbool AudioSystem::isOffloadSupported(const audio_offload_info_t& info) 781ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 782ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald ALOGV("isOffloadSupported()"); 783ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 784ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald if (aps == 0) return false; 785ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return aps->isOffloadSupported(info); 786ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 787ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 788c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 789c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 790c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 791c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 792c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 793c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7945ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("AudioPolicyService server died!"); 795c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 796c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 798