189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Copyright (C) 2008 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#ifndef ANDROID_AUDIOSYSTEM_H_ 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define ANDROID_AUDIOSYSTEM_H_ 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/RefBase.h> 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/threads.h> 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/IAudioFlinger.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2464760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 257394a4f358fa9908a9f0a7c954b65c399f4268e6Dima Zavin#include <system/audio_policy.h> 26fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 27db5cb14318bb24cd6ea14ff7ceea0d5e1f83d903Dima Zavin/* XXX: Should be include by all the users instead */ 28db5cb14318bb24cd6ea14ff7ceea0d5e1f83d903Dima Zavin#include <media/AudioParameter.h> 29db5cb14318bb24cd6ea14ff7ceea0d5e1f83d903Dima Zavin 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projecttypedef void (*audio_error_callback)(status_t err); 33c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 34c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentclass IAudioPolicyService; 35c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentclass String8; 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectclass AudioSystem 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectpublic: 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* These are static methods to control the system-wide AudioFlinger 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * only privileged processes can have access to them 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute microphone 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t muteMicrophone(bool state); 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t isMicrophoneMuted(bool *state); 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get master volume 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t setMasterVolume(float value); 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t getMasterVolume(float* volume); 524bcae82f9b07d1a39956c45a6f5bec0b696c4dd1Glenn Kasten 53c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute audio outputs 54c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t setMasterMute(bool mute); 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t getMasterMute(bool* mute); 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get stream volume on specified output 5872ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten static status_t setStreamVolume(audio_stream_type_t stream, float value, 5972ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output); 6072ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten static status_t getStreamVolume(audio_stream_type_t stream, float* volume, 6172ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output); 62c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 63c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute stream 64fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t setStreamMute(audio_stream_type_t stream, bool mute); 65fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t getStreamMute(audio_stream_type_t stream, bool* mute); 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten // set audio mode in audio hardware 68f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten static status_t setMode(audio_mode_t mode); 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent // returns true in *state if tracks are active on the specified stream or has been active 71eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent // in the past inPastMs milliseconds 72fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t isStreamActive(audio_stream_type_t stream, bool *state, uint32_t inPastMs = 0); 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get audio hardware parameters. The function accepts a list of parameters 75c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // key value pairs in the form: key1=value1;key2=value2;... 76c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Some keys are reserved for standard parameters (See AudioParameter class). 77c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs); 78c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static String8 getParameters(audio_io_handle_t ioHandle, const String8& keys); 79c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static void setErrorCallback(audio_error_callback cb); 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // helper function to obtain AudioFlinger service handle 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static const sp<IAudioFlinger>& get_audio_flinger(); 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static float linearToLog(int volume); 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static int logToLinear(float volume); 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t getOutputSamplingRate(int* samplingRate, audio_stream_type_t stream = AUDIO_STREAM_DEFAULT); 89fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t getOutputFrameCount(int* frameCount, audio_stream_type_t stream = AUDIO_STREAM_DEFAULT); 90fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t getOutputLatency(uint32_t* latency, audio_stream_type_t stream = AUDIO_STREAM_DEFAULT); 911a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent static status_t getSamplingRate(audio_io_handle_t output, 921a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t streamType, 931a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent int* samplingRate); 941a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent // returns the number of frames per audio HAL write buffer. Corresponds to 951a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent // audio_stream->get_buffer_size()/audio_stream_frame_size() 961a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent static status_t getFrameCount(audio_io_handle_t output, 971a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t stream, 981a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent int* frameCount); 991a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent // returns the audio output stream latency in ms. Corresponds to 1001a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent // audio_stream_out->get_latency() 1011a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent static status_t getLatency(audio_io_handle_t output, 1021a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent audio_stream_type_t stream, 1031a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency); 104c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 105c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber // DEPRECATED 106c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber static status_t getOutputSamplingRate(int* samplingRate, int stream = AUDIO_STREAM_DEFAULT); 107c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 108c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber // DEPRECATED 109c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber static status_t getOutputFrameCount(int* frameCount, int stream = AUDIO_STREAM_DEFAULT); 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static bool routedToA2dpOutput(audio_stream_type_t streamType); 112c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11358f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten static status_t getInputBufferSize(uint32_t sampleRate, audio_format_t format, int channelCount, 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t* buffSize); 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent static status_t setVoiceVolume(float volume); 117c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 118342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // return the number of audio frames written by AudioFlinger to audio HAL and 1194bcae82f9b07d1a39956c45a6f5bec0b696c4dd1Glenn Kasten // audio dsp to DAC since the output on which the specified stream is playing 120342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // has exited standby. 121342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // returned status (from utils/Errors.h) can be: 122342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - NO_ERROR: successful operation, halFrames and dspFrames point to valid data 123342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - INVALID_OPERATION: Not supported on current hardware platform 124342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - BAD_VALUE: invalid parameter 125342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // NOTE: this feature is not supported on all hardware platforms and it is 126342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // necessary to check returned status before using the returned values. 127fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, audio_stream_type_t stream = AUDIO_STREAM_DEFAULT); 128342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 12905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent static unsigned int getInputFramesLost(audio_io_handle_t ioHandle); 130be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 131be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent static int newAudioSessionId(); 1323a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen static void acquireAudioSessionId(int audioSession); 1333a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen static void releaseAudioSessionId(int audioSession); 134c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 135c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // types of io configuration change events received with ioConfigChanged() 136c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent enum io_config_event { 137c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OUTPUT_OPENED, 138c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OUTPUT_CLOSED, 139c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OUTPUT_CONFIG_CHANGED, 140c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent INPUT_OPENED, 141c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent INPUT_CLOSED, 142c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent INPUT_CONFIG_CHANGED, 143c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent STREAM_CONFIG_CHANGED, 144c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent NUM_CONFIG_EVENTS 145c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent }; 146c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // audio output descriptor used to cache output configurations in client process to avoid frequent calls 148c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // through IAudioFlinger 149c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent class OutputDescriptor { 150c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent public: 151c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent OutputDescriptor() 15258f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten : samplingRate(0), format(AUDIO_FORMAT_DEFAULT), channels(0), frameCount(0), latency(0) {} 153c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 154c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate; 155c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int32_t format; 156c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int32_t channels; 157c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent size_t frameCount; 158c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t latency; 159c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent }; 160c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 161a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // Events used to synchronize actions between audio sessions. 162a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // For instance SYNC_EVENT_PRESENTATION_COMPLETE can be used to delay recording start until playback 163a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // is complete on another audio session. 164a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // See definitions in MediaSyncEvent.java 165a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent enum sync_event_t { 166a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_SAME = -1, // used internally to indicate restart with same event 167a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_NONE = 0, 168a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_PRESENTATION_COMPLETE, 169a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 170a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // 171a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // Define new events here: SYNC_EVENT_START, SYNC_EVENT_STOP, SYNC_EVENT_TIME ... 172a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // 173a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_CNT, 174a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent }; 175a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 1762986460984580833161bdaabc7f17da1005a8961Eric Laurent // Timeout for synchronous record start. Prevents from blocking the record thread forever 1772986460984580833161bdaabc7f17da1005a8961Eric Laurent // if the trigger event is not fired. 1782986460984580833161bdaabc7f17da1005a8961Eric Laurent static const uint32_t kSyncRecordStartTimeOutMs = 30000; 1792986460984580833161bdaabc7f17da1005a8961Eric Laurent 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 181c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // IAudioPolicyService interface (see AudioPolicyInterface for method descriptions) 182c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 183fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static status_t setDeviceConnectionState(audio_devices_t device, audio_policy_dev_state_t state, const char *device_address); 184fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device, const char *device_address); 185f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten static status_t setPhoneState(audio_mode_t state); 186fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config); 187fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage); 188fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static audio_io_handle_t getOutput(audio_stream_type_t stream, 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate = 0, 19058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format = AUDIO_FORMAT_DEFAULT, 191fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin uint32_t channels = AUDIO_CHANNEL_OUT_STEREO, 1920ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE); 193de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t startOutput(audio_io_handle_t output, 194fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 195de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session = 0); 196de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t stopOutput(audio_io_handle_t output, 197fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 198de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session = 0); 199c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static void releaseOutput(audio_io_handle_t output); 200eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten static audio_io_handle_t getInput(audio_source_t inputSource, 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate = 0, 20258f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format = AUDIO_FORMAT_DEFAULT, 203fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin uint32_t channels = AUDIO_CHANNEL_IN_MONO, 2047c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_in_acoustics_t acoustics = (audio_in_acoustics_t)0, 2057c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent int sessionId = 0); 206c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t startInput(audio_io_handle_t input); 207c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t stopInput(audio_io_handle_t input); 208c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static void releaseInput(audio_io_handle_t input); 209fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static status_t initStreamVolume(audio_stream_type_t stream, 210c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax); 21283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent static status_t setStreamVolumeIndex(audio_stream_type_t stream, 21383844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 21483844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device); 21583844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent static status_t getStreamVolumeIndex(audio_stream_type_t stream, 21683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 21783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device); 218c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 219fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static uint32_t getStrategyForStream(audio_stream_type_t stream); 2206374252107fd6539397598195ea6defd5870fafbEric Laurent static audio_devices_t getDevicesForStream(audio_stream_type_t stream); 221de070137f11d346fba77605bd76a44c040a618fcEric Laurent 222de070137f11d346fba77605bd76a44c040a618fcEric Laurent static audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc); 223de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t registerEffect(effect_descriptor_t *desc, 2247c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 225de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 226de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 227de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id); 228de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t unregisterEffect(int id); 229db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent static status_t setEffectEnabled(int id, bool enabled); 230de070137f11d346fba77605bd76a44c040a618fcEric Laurent 2319f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // clear stream to output mapping cache (gStreamOutputMap) 2329f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // and output configuration cache (gOutputs) 2339f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent static void clearAudioConfigCache(); 2349f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static const sp<IAudioPolicyService>& get_audio_policy_service(); 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // ---------------------------------------------------------------------------- 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectprivate: 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project class AudioFlingerClient: public IBinder::DeathRecipient, public BnAudioFlingerClient 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project public: 244c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioFlingerClient() { 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // DeathRecipient 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void binderDied(const wp<IBinder>& who); 249c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // IAudioFlingerClient 251c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 252c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // indicate a change in the configuration of an output or input: keeps the cached 253b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten // values for output/input parameters up-to-date in client process 254b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten virtual void ioConfigChanged(int event, audio_io_handle_t ioHandle, const void *param2); 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent class AudioPolicyServiceClient: public IBinder::DeathRecipient 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent { 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent public: 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioPolicyServiceClient() { 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // DeathRecipient 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent virtual void binderDied(const wp<IBinder>& who); 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent }; 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<AudioFlingerClient> gAudioFlingerClient; 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<AudioPolicyServiceClient> gAudioPolicyServiceClient; 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project friend class AudioFlingerClient; 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent friend class AudioPolicyServiceClient; 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static Mutex gLock; 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static sp<IAudioFlinger> gAudioFlinger; 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static audio_error_callback gAudioErrorCallback; 275c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static size_t gInBuffSize; 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // previous parameters for recording buffer size queries 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static uint32_t gPrevInSamplingRate; 27958f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten static audio_format_t gPrevInFormat; 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static int gPrevInChannelCount; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<IAudioPolicyService> gAudioPolicyService; 283c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mapping between stream types and outputs 285211eeaf17e5565b68447d29799dbf158a33cf4cfGlenn Kasten static DefaultKeyedVector<audio_stream_type_t, audio_io_handle_t> gStreamOutputMap; 2869f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // list of output descriptors containing cached parameters 2879f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // (sampling rate, framecount, channel count...) 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static DefaultKeyedVector<audio_io_handle_t, OutputDescriptor *> gOutputs; 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent}; 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#endif /*ANDROID_AUDIOSYSTEM_H_*/ 294