AudioSystem.cpp revision fa2877b9ea48baed934b866d2ab3658b69c4c869
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 26c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 27c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// the sim build doesn't have gettid 28c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 29c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#ifndef HAVE_GETTID 30c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent# define gettid getpid 31c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#endif 32c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 33c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// ---------------------------------------------------------------------------- 34c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// client singleton for AudioFlinger binder interface 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectMutex AudioSystem::gLock; 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IAudioFlinger> AudioSystem::gAudioFlinger; 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient; 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_error_callback AudioSystem::gAudioErrorCallback = NULL; 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values 43c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<int, audio_io_handle_t> AudioSystem::gStreamOutputMap(0); 44c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentDefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); 45c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// Cached values for recording queries 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioSystem::gPrevInSamplingRate = 16000; 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::gPrevInFormat = AudioSystem::PCM_16_BIT; 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::gPrevInChannelCount = 1; 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsize_t AudioSystem::gInBuffSize = 0; 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// establish binder interface to AudioFlinger service 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectconst sp<IAudioFlinger>& AudioSystem::get_audio_flinger() 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(gLock); 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlinger.get() == 0) { 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IServiceManager> sm = defaultServiceManager(); 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IBinder> binder; 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder = sm->getService(String16("media.audio_flinger")); 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (binder != 0) 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("AudioFlinger not published, waiting..."); 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(500000); // 0.5 s 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while(true); 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioFlingerClient == NULL) { 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlingerClient = new AudioFlingerClient(); 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(NO_ERROR); 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project binder->linkToDeath(gAudioFlingerClient); 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger = interface_cast<IAudioFlinger>(binder); 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioFlinger->registerClient(gAudioFlingerClient); 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?"); 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioFlinger; 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::muteMicrophone(bool state) { 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMicMute(state); 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::isMicrophoneMuted(bool* state) { 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *state = af->getMicMute(); 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterVolume(float value) 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterVolume(value); 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMasterMute(bool mute) 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setMasterMute(mute); 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterVolume(float* volume) 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *volume = af->masterVolume(); 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getMasterMute(bool* mute) 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->masterMute(); 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::setStreamVolume(int stream, float value, int output) 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 133c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent af->setStreamVolume(stream, value, output); 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setStreamMute(int stream, bool mute) 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project af->setStreamMute(stream, mute); 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentstatus_t AudioSystem::getStreamVolume(int stream, float* volume, int output) 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 151c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *volume = af->streamVolume(stream, output); 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getStreamMute(int stream, bool* mute) 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE; 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *mute = af->streamMute(stream); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::setMode(int mode) 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mode >= NUM_MODES) return BAD_VALUE; 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return af->setMode(mode); 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 172c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 173c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::isMusicActive(bool* state) { 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *state = af->isMusicActive(); 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 181c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) return PERMISSION_DENIED; 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return af->setParameters(ioHandle, keyValuePairs); 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 result = String8(""); 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return result; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 192c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = af->getParameters(ioHandle, keys); 193c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// convert volume steps to natural log scale 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// change this value to change volume scaling 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBPerStep = 0.5f; 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// shouldn't need to touch these 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatic const float dBConvertInverse = 1.0f / dBConvert; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectfloat AudioSystem::linearToLog(int volume) 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // LOGD("linearToLog(%d)=%f", volume, v); 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? exp(float(100 - volume) * dBConvert) : 0; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioSystem::logToLinear(float volume) 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // LOGD("logTolinear(%d)=%f", v, volume); 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // return v; 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (streamType == DEFAULT) { 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent streamType = MUSIC; 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 228c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = getOutput((stream_type)streamType); 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 237fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = af->sampleRate(output); 242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("getOutputSamplingRate() reading from output desc"); 244c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *samplingRate = outputDesc->samplingRate; 245c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 247c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 248fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (streamType == DEFAULT) { 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent streamType = MUSIC; 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = getOutput((stream_type)streamType); 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 272c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 273c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = af->frameCount(output); 274c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 275c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *frameCount = outputDesc->frameCount; 276c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 277c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 27848f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 279fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType) 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc; 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output; 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (streamType == DEFAULT) { 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent streamType = MUSIC; 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = getOutput((stream_type)streamType); 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 295c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return PERMISSION_DENIED; 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 297c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 298c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 299c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = AudioSystem::gOutputs.valueFor(output); 300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (outputDesc == 0) { 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (af == 0) return PERMISSION_DENIED; 304c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = af->latency(output); 305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 306c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent *latency = outputDesc->latency; 307c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30948f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 310fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency); 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 315c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int channelCount, 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t* buffSize) 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values 319c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((gInBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project || (channelCount != gPrevInChannelCount)) { 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // save the request params 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInSamplingRate = sampleRate; 323c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gPrevInFormat = format; 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gPrevInChannelCount = channelCount; 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = 0; 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (af == 0) { 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return PERMISSION_DENIED; 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gInBuffSize = af->getInputBufferSize(sampleRate, format, channelCount); 332c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *buffSize = gInBuffSize; 334c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 340c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 343c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioFlinger.clear(); 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (gAudioErrorCallback) { 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project gAudioErrorCallback(DEAD_OBJECT); 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("AudioFlinger server died!"); 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 351fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurentvoid AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) { 352c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("ioConfigChanged() event %d", event); 353c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *desc; 354c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t stream; 355c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 356fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (ioHandle == 0) return; 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(AudioSystem::gLock); 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 360c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (event) { 361c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case STREAM_CONFIG_CHANGED: 362c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 363c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent stream = *(uint32_t *)param2; 364fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle); 365c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.indexOfKey(stream) >= 0) { 366c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.replaceValueFor(stream, ioHandle); 367c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 368c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 369c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_OPENED: { 370c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) >= 0) { 371fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() opening already existing output! %d", ioHandle); 372c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 373c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 374c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 375c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 376c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 377c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = new OutputDescriptor(*desc); 378c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.add(ioHandle, outputDesc); 379c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d", 380c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); 381c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 382c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CLOSED: { 383c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gOutputs.indexOfKey(ioHandle) < 0) { 384fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGW("ioConfigChanged() closing unknow output! %d", ioHandle); 385c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 386c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 387fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() output %d closed", ioHandle); 388c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 389c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.removeItem(ioHandle); 390c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) { 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gStreamOutputMap.valueAt(i) == ioHandle) { 392c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gStreamOutputMap.removeItemsAt(i); 393c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 394c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 395c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 396c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 397c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case OUTPUT_CONFIG_CHANGED: { 398c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int index = gOutputs.indexOfKey(ioHandle); 399c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (index < 0) { 400fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); 401c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 402c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 403c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (param2 == 0) break; 404c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc = (OutputDescriptor *)param2; 405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 406fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d", 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ioHandle, desc->samplingRate, desc->format, 408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent desc->channels, desc->frameCount, desc->latency); 409c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor *outputDesc = gOutputs.valueAt(index); 410c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete outputDesc; 411c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent outputDesc = new OutputDescriptor(*desc); 412c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gOutputs.replaceValueFor(ioHandle, outputDesc); 413c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } break; 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_OPENED: 415c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CLOSED: 416c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case INPUT_CONFIG_CHANGED: 417c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 41848f7f5e8359909ddfc6492a79a8b9c44759ca6c3Eric Laurent 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 422c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::setErrorCallback(audio_error_callback cb) { 423c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioErrorCallback = cb; 425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioSystem::routedToA2dpOutput(int streamType) { 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project switch(streamType) { 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case MUSIC: 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case VOICE_CALL: 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case BLUETOOTH_SCO: 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project case SYSTEM: 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project default: 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 440c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// client singleton for AudioPolicyService binder interface 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<IAudioPolicyService> AudioSystem::gAudioPolicyService; 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentsp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; 443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// establish binder interface to AudioFlinger service 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.lock(); 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyService.get() == 0) { 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IServiceManager> sm = defaultServiceManager(); 451c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IBinder> binder; 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent do { 453c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder = sm->getService(String16("media.audio_policy")); 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (binder != 0) 455c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent break; 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGW("AudioPolicyService not published, waiting..."); 457c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent usleep(500000); // 0.5 s 458c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } while(true); 459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (gAudioPolicyServiceClient == NULL) { 460c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyServiceClient = new AudioPolicyServiceClient(); 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 462c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent binder->linkToDeath(gAudioPolicyServiceClient); 463c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 465c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 466c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent gLock.unlock(); 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 468c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return gAudioPolicyService; 469c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 471c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setDeviceConnectionState(audio_devices device, 472c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent device_connection_state state, 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 474c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 475c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 476c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 477c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setDeviceConnectionState(device, state, device_address); 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 480c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 481c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioSystem::device_connection_state AudioSystem::getDeviceConnectionState(audio_devices device, 482c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const char *device_address) 483c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 485c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return DEVICE_STATE_UNAVAILABLE; 486c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 487c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getDeviceConnectionState(device, device_address); 488c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 489c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 490c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setPhoneState(int state) 491c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 492c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 493c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setPhoneState(state); 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 497c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 498c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setRingerMode(uint32_t mode, uint32_t mask) 499c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 501c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setRingerMode(mode, mask); 503c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 504c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setForceUse(force_use usage, forced_config config) 506c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 507c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setForceUse(usage, config); 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 512c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioSystem::forced_config AudioSystem::getForceUse(force_use usage) 513c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 515c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return FORCE_NONE; 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getForceUse(usage); 517c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 519c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioSystem::getOutput(stream_type stream, 521c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 523c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output_flags flags) 525c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 526fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent audio_io_handle_t output = 0; 527c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) == 0) { 528c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = AudioSystem::gStreamOutputMap.valueFor(stream); 530fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent LOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream); 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 532fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (output == 0) { 533c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 534fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output = aps->getOutput(stream, samplingRate, format, channels, flags); 536c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) == 0) { 537c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(gLock); 538c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gStreamOutputMap.add(stream, output); 539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 540c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return output; 542c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 543c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 544c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startOutput(audio_io_handle_t output, AudioSystem::stream_type stream) 545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 548c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startOutput(output, stream); 549c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 551c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream) 552c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 553c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 554c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 555c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopOutput(output, stream); 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 557c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 558c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseOutput(audio_io_handle_t output) 559c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 561c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 562c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseOutput(output); 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 564c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 565c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioSystem::getInput(int inputSource, 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate, 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t format, 568c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 569c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_in_acoustics acoustics) 570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 572fa2877b9ea48baed934b866d2ab3658b69c4c869Eric Laurent if (aps == 0) return 0; 573c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getInput(inputSource, samplingRate, format, channels, acoustics); 574c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::startInput(audio_io_handle_t input) 577c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 579c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->startInput(input); 581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 583c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::stopInput(audio_io_handle_t input) 584c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 585c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 587c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->stopInput(input); 588c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 589c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 590c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::releaseInput(audio_io_handle_t input) 591c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 592c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return; 594c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent aps->releaseInput(input); 595c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 596c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 597c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::initStreamVolume(stream_type stream, 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 599c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax) 600c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 601c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 602c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 603c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->initStreamVolume(stream, indexMin, indexMax); 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 606c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::setStreamVolumeIndex(stream_type stream, int index) 607c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 608c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->setStreamVolumeIndex(stream, index); 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioSystem::getStreamVolumeIndex(stream_type stream, int *index) 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (aps == 0) return PERMISSION_DENIED; 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return aps->getStreamVolumeIndex(stream, index); 618c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 620c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentvoid AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { 623c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent Mutex::Autolock _l(AudioSystem::gLock); 624c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::gAudioPolicyService.clear(); 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGW("AudioPolicyService server died!"); 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// --------------------------------------------------------------------------- 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// use emulated popcount optimization 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent// http://www.df.lth.se/~john_e/gems/gem002d.html 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentuint32_t AudioSystem::popCount(uint32_t u) 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x55555555) + ((u>>1)&0x55555555)); 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x33333333) + ((u>>2)&0x33333333)); 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x0f0f0f0f) + ((u>>4)&0x0f0f0f0f)); 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ((u&0x00ff00ff) + ((u>>8)&0x00ff00ff)); 640c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent u = ( u&0x0000ffff) + (u>>16); 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return u; 642c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 643c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 644c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isOutputDevice(audio_devices device) 645c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ((device & ~AudioSystem::DEVICE_OUT_ALL) == 0)) { 648c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 649c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 650c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 651c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 653c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isInputDevice(audio_devices device) 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 656c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 657c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ((device & ~AudioSystem::DEVICE_IN_ALL) == 0)) { 658c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 659c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 661c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 662c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 664c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isA2dpDevice(audio_devices device) 665c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 667c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent (device & (AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP | 668c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 669c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER))) { 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 672c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isBluetoothScoDevice(audio_devices device) 677c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((popCount(device) == 1 ) && 679c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent (device & (AudioSystem::DEVICE_OUT_BLUETOOTH_SCO | 680c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET | 681c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT))) { 682c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 683c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 684c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 685c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 686c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 687c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 688c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isLowVisibility(stream_type stream) 689c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 690c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (stream == AudioSystem::SYSTEM || stream == AudioSystem::NOTIFICATION) { 691c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 692c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 694c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 695c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 696c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 697c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isInputChannel(uint32_t channel) 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 699c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((channel & ~AudioSystem::CHANNEL_IN_ALL) == 0) { 700c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 701c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 702c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 703c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 704c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 705c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 706c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isOutputChannel(uint32_t channel) 707c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 708c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if ((channel & ~AudioSystem::CHANNEL_OUT_ALL) == 0) { 709c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 710c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 712c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 713c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 714c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 715c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isValidFormat(uint32_t format) 716c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 717c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (format & MAIN_FORMAT_MASK) { 718c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case PCM: 719c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case MP3: 720c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case AMR_NB: 721c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case AMR_WB: 722c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case AAC: 723c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case HE_AAC_V1: 724c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case HE_AAC_V2: 725c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case VORBIS: 726c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 727c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent default: 728c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 729c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 730c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 731c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 732c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentbool AudioSystem::isLinearPCM(uint32_t format) 733c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 734c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent switch (format) { 735c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case PCM_16_BIT: 736c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent case PCM_8_BIT: 737c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return true; 738c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent default: 739c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return false; 740c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 741c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 742c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 743c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent//------------------------- AudioParameter class implementation --------------- 744c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 745c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyRouting = "routing"; 746c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keySamplingRate = "sampling_rate"; 747c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyFormat = "format"; 748c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyChannels = "channels"; 749c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentconst char *AudioParameter::keyFrameCount = "frame_count"; 750c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 751c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioParameter::AudioParameter(const String8& keyValuePairs) 752c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 753c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char *str = new char[keyValuePairs.length()+1]; 754c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mKeyValuePairs = keyValuePairs; 755c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 756c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent strcpy(str, keyValuePairs.string()); 757c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char *pair = strtok(str, ";"); 758c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent while (pair != NULL) { 759c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (strlen(pair) != 0) { 760c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent size_t eqIdx = strcspn(pair, "="); 761c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 key = String8(pair, eqIdx); 762c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 value; 763c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (eqIdx == strlen(pair)) { 764c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = String8(""); 765c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 766c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = String8(pair + eqIdx + 1); 767c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 768c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) < 0) { 769c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.add(key, value); 770c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 771c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.replaceValueFor(key, value); 772c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 773c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 774c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("AudioParameter() cstor empty key value pair"); 775c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 776c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent pair = strtok(NULL, ";"); 777c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 778c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 779c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent delete[] str; 780c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 781c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 782c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentAudioParameter::~AudioParameter() 783c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 784c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.clear(); 785c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 786c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 787c2f1f07084818942352c6bbfb36af9b6b330eb4eEric LaurentString8 AudioParameter::toString() 788c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 789c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str = String8(""); 790c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 791c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent size_t size = mParameters.size(); 792c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent for (size_t i = 0; i < size; i++) { 793c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent str += mParameters.keyAt(i); 794c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent str += "="; 795c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent str += mParameters.valueAt(i); 796c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (i < (size - 1)) str += ";"; 797c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 798c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return str; 799c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 800c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 801c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::add(const String8& key, const String8& value) 802c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 803c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) < 0) { 804c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.add(key, value); 805c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return NO_ERROR; 806c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 807c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.replaceValueFor(key, value); 808c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return ALREADY_EXISTS; 809c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 810c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 811c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 812c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::addInt(const String8& key, const int value) 813c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 814c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char str[12]; 815c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (snprintf(str, 12, "%d", value) > 0) { 816c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8 = String8(str); 817c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return add(key, str8); 818c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 819c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 820c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 821c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 822c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 823c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::addFloat(const String8& key, const float value) 824c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 825c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent char str[23]; 826c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (snprintf(str, 23, "%.10f", value) > 0) { 827c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8 = String8(str); 828c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return add(key, str8); 829c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 830c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 831c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 832c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 833c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 834c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::remove(const String8& key) 835c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 836c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) >= 0) { 837c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mParameters.removeItem(key); 838c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return NO_ERROR; 839c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 840c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 841c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 842c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 843c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 844c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::get(const String8& key, String8& value) 845c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 846c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mParameters.indexOfKey(key) >= 0) { 847c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = mParameters.valueFor(key); 848c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return NO_ERROR; 849c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 850c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 851c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 852c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 853c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 854c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::getInt(const String8& key, int& value) 855c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 856c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8; 857c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent status_t result = get(key, str8); 858c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = 0; 859c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (result == NO_ERROR) { 860c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int val; 861c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sscanf(str8.string(), "%d", &val) == 1) { 862c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = val; 863c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 864c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = INVALID_OPERATION; 865c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 866c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 867c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 868c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 869c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 870c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentstatus_t AudioParameter::getFloat(const String8& key, float& value) 871c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 872c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent String8 str8; 873c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent status_t result = get(key, str8); 874c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = 0; 875c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (result == NO_ERROR) { 876c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent float val; 877c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sscanf(str8.string(), "%f", &val) == 1) { 878c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent value = val; 879c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 880c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent result = INVALID_OPERATION; 881c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 882c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 883c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return result; 884c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 888