AudioSystem.h revision 4a8308b11b92e608cdaf29f73f7919e75706f9a2
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 201ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <hardware/audio_effect.h> 21baac183f3808d7b68f184647a97bd381620415feEric Laurent#include <media/AudioPolicy.h> 2273e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent#include <media/AudioIoDescriptor.h> 231ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlingerClient.h> 24b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent#include <media/IAudioPolicyServiceClient.h> 2564760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 267394a4f358fa9908a9f0a7c954b65c399f4268e6Dima Zavin#include <system/audio_policy.h> 271ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <utils/Errors.h> 281ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <utils/Mutex.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); 33f613d42b12389335b2ecf06df18d0d095d6bfd44Jean-Michel Trivitypedef void (*dynamic_policy_callback)(int event, String8 regId, int val); 34d848eb48c121c119e8ba7583efc75415fe102570Glenn Kastentypedef void (*record_config_callback)(int event, audio_session_t session, int source, 358c7cf3b7d0d7bccb9affbc34ae2ab2d6b332f972Jean-Michel Trivi const audio_config_base_t *clientConfig, const audio_config_base_t *deviceConfig, 368c7cf3b7d0d7bccb9affbc34ae2ab2d6b332f972Jean-Michel Trivi audio_patch_handle_t patchHandle); 37c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 381ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kastenclass IAudioFlinger; 39c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentclass IAudioPolicyService; 40c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentclass String8; 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectclass AudioSystem 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectpublic: 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 464a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten // FIXME Declare in binder opcode order, similarly to IAudioFlinger.h and IAudioFlinger.cpp 474a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* These are static methods to control the system-wide AudioFlinger 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * only privileged processes can have access to them 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute microphone 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t muteMicrophone(bool state); 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t isMicrophoneMuted(bool *state); 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get master volume 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t setMasterVolume(float value); 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t getMasterVolume(float* volume); 594bcae82f9b07d1a39956c45a6f5bec0b696c4dd1Glenn Kasten 60c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute audio outputs 61c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t setMasterMute(bool mute); 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t getMasterMute(bool* mute); 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get stream volume on specified output 6572ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten static status_t setStreamVolume(audio_stream_type_t stream, float value, 6672ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output); 6772ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten static status_t getStreamVolume(audio_stream_type_t stream, float* volume, 6872ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output); 69c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 70c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute stream 71fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t setStreamMute(audio_stream_type_t stream, bool mute); 72fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t getStreamMute(audio_stream_type_t stream, bool* mute); 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten // set audio mode in audio hardware 75f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten static status_t setMode(audio_mode_t mode); 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // returns true in *state if tracks are active on the specified stream or have been active 78eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent // in the past inPastMs milliseconds 796a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten static status_t isStreamActive(audio_stream_type_t stream, bool *state, uint32_t inPastMs); 80272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // returns true in *state if tracks are active for what qualifies as remote playback 81272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // on the specified stream or have been active in the past inPastMs milliseconds. Remote 82272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // playback isn't mutually exclusive with local playback. 83272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi static status_t isStreamActiveRemotely(audio_stream_type_t stream, bool *state, 846a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten uint32_t inPastMs); 85d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi // returns true in *state if a recorder is currently recording with the specified source 86d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi static status_t isSourceActive(audio_source_t source, bool *state); 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get audio hardware parameters. The function accepts a list of parameters 89c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // key value pairs in the form: key1=value1;key2=value2;... 90c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Some keys are reserved for standard parameters (See AudioParameter class). 91c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten // The versions with audio_io_handle_t are intended for internal media framework use only. 92c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs); 93c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static String8 getParameters(audio_io_handle_t ioHandle, const String8& keys); 94c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten // The versions without audio_io_handle_t are intended for JNI. 95c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten static status_t setParameters(const String8& keyValuePairs); 96c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten static String8 getParameters(const String8& keys); 97c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static void setErrorCallback(audio_error_callback cb); 99f613d42b12389335b2ecf06df18d0d095d6bfd44Jean-Michel Trivi static void setDynPolicyCallback(dynamic_policy_callback cb); 1002f4fe9f7df8f22c6bc8745407d19df73128810ecJean-Michel Trivi static void setRecordConfigCallback(record_config_callback); 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // helper function to obtain AudioFlinger service handle 1030ebd5f95b68a3a5c9e5509f21938c9e51e74d71bEric Laurent static const sp<IAudioFlinger> get_audio_flinger(); 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static float linearToLog(int volume); 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static int logToLinear(float volume); 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten // Returned samplingRate and frameCount output values are guaranteed 109f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten // to be non-zero if status == NO_ERROR 110f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should be deprecated. 1113b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten static status_t getOutputSamplingRate(uint32_t* samplingRate, 1126a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_stream_type_t stream); 113f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should be deprecated. 114e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten static status_t getOutputFrameCount(size_t* frameCount, 1156a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_stream_type_t stream); 116f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should be deprecated. 11785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten static status_t getOutputLatency(uint32_t* latency, 1186a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_stream_type_t stream); 1192c073da0f02c3cf7cd4795af2d861222cbcab72aGlenn Kasten // returns the audio HAL sample rate 1202c073da0f02c3cf7cd4795af2d861222cbcab72aGlenn Kasten static status_t getSamplingRate(audio_io_handle_t ioHandle, 1213b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t* samplingRate); 1224a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten // For output threads with a fast mixer, returns the number of frames per normal mixer buffer. 1234a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten // For output threads without a fast mixer, or for input, this is same as getFrameCountHAL(). 1242c073da0f02c3cf7cd4795af2d861222cbcab72aGlenn Kasten static status_t getFrameCount(audio_io_handle_t ioHandle, 125e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount); 126f59497bd3c190e087202043de5450ef06e92b27dGlenn Kasten // returns the audio output latency in ms. Corresponds to 1271a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent // audio_stream_out->get_latency() 1281a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent static status_t getLatency(audio_io_handle_t output, 1291a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency); 130c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 131b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten // return status NO_ERROR implies *buffSize > 0 132f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should deprecated. 133dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten static status_t getInputBufferSize(uint32_t sampleRate, audio_format_t format, 134dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, size_t* buffSize); 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent static status_t setVoiceVolume(float volume); 137c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 138342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // return the number of audio frames written by AudioFlinger to audio HAL and 139f59497bd3c190e087202043de5450ef06e92b27dGlenn Kasten // audio dsp to DAC since the specified output has exited standby. 140342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // returned status (from utils/Errors.h) can be: 141342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - NO_ERROR: successful operation, halFrames and dspFrames point to valid data 142342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - INVALID_OPERATION: Not supported on current hardware platform 143342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - BAD_VALUE: invalid parameter 144342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // NOTE: this feature is not supported on all hardware platforms and it is 145342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // necessary to check returned status before using the returned values. 146ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald static status_t getRenderPosition(audio_io_handle_t output, 147377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT uint32_t *halFrames, 1480ed19594452c901c3c8665d06610fffe46895d06Glenn Kasten uint32_t *dspFrames); 149342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 150bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // return the number of input frames lost by HAL implementation, or 0 if the handle is invalid 1515f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kasten static uint32_t getInputFramesLost(audio_io_handle_t ioHandle); 152be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 153de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // Allocate a new unique ID for use as an audio session ID or I/O handle. 154de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // If unable to contact AudioFlinger, returns AUDIO_UNIQUE_ID_ALLOCATE instead. 155de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // FIXME If AudioFlinger were to ever exhaust the unique ID namespace, 156eeecb980ff4c202d0a3c4b0bfe040dce2f73336dGlenn Kasten // this method could fail by returning either a reserved ID like AUDIO_UNIQUE_ID_ALLOCATE 157de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // or an unspecified existing unique ID. 158eeecb980ff4c202d0a3c4b0bfe040dce2f73336dGlenn Kasten static audio_unique_id_t newAudioUniqueId(audio_unique_id_use_t use); 15985d109a4b0eddd76a8c5cee170bc2bcc99d00118Glenn Kasten 160d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten static void acquireAudioSessionId(audio_session_t audioSession, pid_t pid); 161d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten static void releaseAudioSessionId(audio_session_t audioSession, pid_t pid); 162c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16393c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent // Get the HW synchronization source used for an audio session. 16493c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent // Return a valid source or AUDIO_HW_SYNC_INVALID if an error occurs 16593c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent // or no HW sync source is used. 16693c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent static audio_hw_sync_t getAudioHwSyncForSession(audio_session_t sessionId); 16793c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent 16872e3f39146fce4686bd96f11057c051bea376dfbEric Laurent // Indicate JAVA services are ready (scheduling, power management ...) 16972e3f39146fce4686bd96f11057c051bea376dfbEric Laurent static status_t systemReady(); 17072e3f39146fce4686bd96f11057c051bea376dfbEric Laurent 1714a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten // Returns the number of frames per audio HAL buffer. 1724a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten // Corresponds to audio_stream->get_buffer_size()/audio_stream_in_frame_size() for input. 1734a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten // See also getFrameCount(). 1744a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten static status_t getFrameCountHAL(audio_io_handle_t ioHandle, 1754a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten size_t* frameCount); 1764a8308b11b92e608cdaf29f73f7919e75706f9a2Glenn Kasten 177a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // Events used to synchronize actions between audio sessions. 17885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten // For instance SYNC_EVENT_PRESENTATION_COMPLETE can be used to delay recording start until 17985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten // playback is complete on another audio session. 180a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // See definitions in MediaSyncEvent.java 181a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent enum sync_event_t { 182a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_SAME = -1, // used internally to indicate restart with same event 183a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_NONE = 0, 184a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_PRESENTATION_COMPLETE, 185a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 186a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // 187a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // Define new events here: SYNC_EVENT_START, SYNC_EVENT_STOP, SYNC_EVENT_TIME ... 188a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // 189a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_CNT, 190a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent }; 191a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 1922986460984580833161bdaabc7f17da1005a8961Eric Laurent // Timeout for synchronous record start. Prevents from blocking the record thread forever 1932986460984580833161bdaabc7f17da1005a8961Eric Laurent // if the trigger event is not fired. 1942986460984580833161bdaabc7f17da1005a8961Eric Laurent static const uint32_t kSyncRecordStartTimeOutMs = 30000; 1952986460984580833161bdaabc7f17da1005a8961Eric Laurent 196c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 197c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // IAudioPolicyService interface (see AudioPolicyInterface for method descriptions) 198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 19985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten static status_t setDeviceConnectionState(audio_devices_t device, audio_policy_dev_state_t state, 200e743a47f445f02a0612018fa5640301304844fbfPaul McLean const char *device_address, const char *device_name); 20185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten static audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device, 20285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten const char *device_address); 203f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten static status_t setPhoneState(audio_mode_t state); 204fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config); 205fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage); 206d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten 207d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // Client must successfully hand off the handle reference to AudioFlinger via createTrack(), 208d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // or release it with releaseOutput(). 209fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static audio_io_handle_t getOutput(audio_stream_type_t stream, 210c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate = 0, 21158f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format = AUDIO_FORMAT_DEFAULT, 212254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO, 213ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, 214ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo = NULL); 215e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent static status_t getOutputForAttr(const audio_attributes_t *attr, 216aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_io_handle_t *output, 217aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_session_t session, 218aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_stream_type_t *stream, 2198c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent uid_t uid, 220aa9811945f575614b3482d09e4d969792701cebbPaul McLean uint32_t samplingRate = 0, 221aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_format_t format = AUDIO_FORMAT_DEFAULT, 222aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO, 223aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, 224aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE, 225aa9811945f575614b3482d09e4d969792701cebbPaul McLean const audio_offload_info_t *offloadInfo = NULL); 226de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t startOutput(audio_io_handle_t output, 227fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 228e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_session_t session); 229de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t stopOutput(audio_io_handle_t output, 230fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 231e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_session_t session); 232e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent static void releaseOutput(audio_io_handle_t output, 233e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t stream, 234e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_session_t session); 235d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten 236d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // Client must successfully hand off the handle reference to AudioFlinger via openRecord(), 237d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // or release it with releaseInput(). 238caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent static status_t getInputForAttr(const audio_attributes_t *attr, 239caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent audio_io_handle_t *input, 240caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent audio_session_t session, 2418c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent uid_t uid, 2426a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten uint32_t samplingRate, 2436a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_format_t format, 2446a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_channel_mask_t channelMask, 245466dc8ed6ca6b7f585104806c48613dd34e608c9Paul McLean audio_input_flags_t flags, 246466dc8ed6ca6b7f585104806c48613dd34e608c9Paul McLean audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE); 247d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten 2484dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent static status_t startInput(audio_io_handle_t input, 2494dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent audio_session_t session); 2504dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent static status_t stopInput(audio_io_handle_t input, 2514dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent audio_session_t session); 2524dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent static void releaseInput(audio_io_handle_t input, 2534dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent audio_session_t session); 254fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static status_t initStreamVolume(audio_stream_type_t stream, 255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax); 25783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent static status_t setStreamVolumeIndex(audio_stream_type_t stream, 25883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 25983844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device); 26083844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent static status_t getStreamVolumeIndex(audio_stream_type_t stream, 26183844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 26283844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device); 263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 264fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static uint32_t getStrategyForStream(audio_stream_type_t stream); 2656374252107fd6539397598195ea6defd5870fafbEric Laurent static audio_devices_t getDevicesForStream(audio_stream_type_t stream); 266de070137f11d346fba77605bd76a44c040a618fcEric Laurent 26758e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kasten static audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc); 26858e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kasten static status_t registerEffect(const effect_descriptor_t *desc, 2697c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 270de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 271d848eb48c121c119e8ba7583efc75415fe102570Glenn Kasten audio_session_t session, 272de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id); 273de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t unregisterEffect(int id); 274db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent static status_t setEffectEnabled(int id, bool enabled); 275de070137f11d346fba77605bd76a44c040a618fcEric Laurent 2769f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // clear stream to output mapping cache (gStreamOutputMap) 2779f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // and output configuration cache (gOutputs) 2789f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent static void clearAudioConfigCache(); 2799f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 2800ebd5f95b68a3a5c9e5509f21938c9e51e74d71bEric Laurent static const sp<IAudioPolicyService> get_audio_policy_service(); 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 282cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten // helpers for android.media.AudioManager.getProperty(), see description there for meaning 2833b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten static uint32_t getPrimaryOutputSamplingRate(); 284e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten static size_t getPrimaryOutputFrameCount(); 285cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten 2864182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten static status_t setLowRamDevice(bool isLowRamDevice); 2874182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten 288ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald // Check if hw offload is possible for given format, stream type, sample rate, 289ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald // bit rate, duration, video and streaming or offload property is enabled 290ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald static bool isOffloadSupported(const audio_offload_info_t& info); 291ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 29246291616486979986cba3ab83e894728ef53063fEric Laurent // check presence of audio flinger service. 29346291616486979986cba3ab83e894728ef53063fEric Laurent // returns NO_ERROR if binding to service succeeds, DEAD_OBJECT otherwise 29446291616486979986cba3ab83e894728ef53063fEric Laurent static status_t checkAudioFlinger(); 295203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 296203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* List available audio ports and their attributes */ 297203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t listAudioPorts(audio_port_role_t role, 298203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent audio_port_type_t type, 299203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent unsigned int *num_ports, 300203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent struct audio_port *ports, 301203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent unsigned int *generation); 302203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 303203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Get attributes for a given audio port */ 304203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t getAudioPort(struct audio_port *port); 305203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 306203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Create an audio patch between several source and sink ports */ 307203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t createAudioPatch(const struct audio_patch *patch, 308203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent audio_patch_handle_t *handle); 309203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 310203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Release an audio patch */ 311203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t releaseAudioPatch(audio_patch_handle_t handle); 312203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 313203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* List existing audio patches */ 314203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t listAudioPatches(unsigned int *num_patches, 315203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent struct audio_patch *patches, 316203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent unsigned int *generation); 317203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Set audio port configuration */ 318203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t setAudioPortConfig(const struct audio_port_config *config); 319203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 320df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent 321df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent static status_t acquireSoundTriggerSession(audio_session_t *session, 322df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent audio_io_handle_t *ioHandle, 323df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent audio_devices_t *device); 324df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent static status_t releaseSoundTriggerSession(audio_session_t session); 325df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent 326bb6c9a05840d924b502ce0f1868fca4881ada1edEric Laurent static audio_mode_t getPhoneState(); 327bb6c9a05840d924b502ce0f1868fca4881ada1edEric Laurent 328baac183f3808d7b68f184647a97bd381620415feEric Laurent static status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration); 329baac183f3808d7b68f184647a97bd381620415feEric Laurent 330554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent static status_t startAudioSource(const struct audio_port_config *source, 331554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent const audio_attributes_t *attributes, 332554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent audio_io_handle_t *handle); 333554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent static status_t stopAudioSource(audio_io_handle_t handle); 334554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent 3352ddee19245641e86bca436dda23a0f5089bf2ab5Andy Hung static status_t setMasterMono(bool mono); 3362ddee19245641e86bca436dda23a0f5089bf2ab5Andy Hung static status_t getMasterMono(bool *mono); 337554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // ---------------------------------------------------------------------------- 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 340b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent class AudioPortCallback : public RefBase 341b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent { 342b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent public: 343b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 344b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent AudioPortCallback() {} 345b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual ~AudioPortCallback() {} 346b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 347b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPortListUpdate() = 0; 348b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPatchListUpdate() = 0; 349b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onServiceDied() = 0; 350b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 351b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent }; 352b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 353296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t addAudioPortCallback(const sp<AudioPortCallback>& callback); 354296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t removeAudioPortCallback(const sp<AudioPortCallback>& callback); 355296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 356296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent class AudioDeviceCallback : public RefBase 357296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent { 358296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent public: 359296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 360296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioDeviceCallback() {} 361296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent virtual ~AudioDeviceCallback() {} 362296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 363296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo, 364296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_port_handle_t deviceId) = 0; 365296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent }; 366296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 367296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t addAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 368296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 369296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t removeAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 370296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 371296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 372296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static audio_port_handle_t getDeviceIdForIo(audio_io_handle_t audioIo); 373b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectprivate: 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project class AudioFlingerClient: public IBinder::DeathRecipient, public BnAudioFlingerClient 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project public: 37973e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent AudioFlingerClient() : 38073e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent mInBuffSize(0), mInSamplingRate(0), 38173e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent mInFormat(AUDIO_FORMAT_DEFAULT), mInChannelMask(AUDIO_CHANNEL_NONE) { 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 383c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 38473e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent void clearIoCache(); 38573e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent status_t getInputBufferSize(uint32_t sampleRate, audio_format_t format, 38673e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent audio_channel_mask_t channelMask, size_t* buffSize); 38773e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent sp<AudioIoDescriptor> getIoDescriptor(audio_io_handle_t ioHandle); 38873e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // DeathRecipient 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void binderDied(const wp<IBinder>& who); 391c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // IAudioFlingerClient 393c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 394c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // indicate a change in the configuration of an output or input: keeps the cached 395b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten // values for output/input parameters up-to-date in client process 39673e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent virtual void ioConfigChanged(audio_io_config_event event, 39773e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent const sp<AudioIoDescriptor>& ioDesc); 398296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 399296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 400296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t addAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 401296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 402296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t removeAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 403296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 404296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 405296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_port_handle_t getDeviceIdForIo(audio_io_handle_t audioIo); 406296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 40773e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent private: 40873e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent Mutex mLock; 409296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent DefaultKeyedVector<audio_io_handle_t, sp<AudioIoDescriptor> > mIoDescriptors; 410296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent DefaultKeyedVector<audio_io_handle_t, Vector < sp<AudioDeviceCallback> > > 411296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mAudioDeviceCallbacks; 41273e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent // cached values for recording getInputBufferSize() queries 41373e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent size_t mInBuffSize; // zero indicates cache is invalid 41473e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent uint32_t mInSamplingRate; 41573e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent audio_format_t mInFormat; 41673e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent audio_channel_mask_t mInChannelMask; 41749fdeaff2f4c1405738320b7c3a540b528457e1bPraveen Chavan sp<AudioIoDescriptor> getIoDescriptor_l(audio_io_handle_t ioHandle); 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 420b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent class AudioPolicyServiceClient: public IBinder::DeathRecipient, 421b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent public BnAudioPolicyServiceClient 422c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent { 423c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent public: 424c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioPolicyServiceClient() { 425c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 427e8726fea8a53bf3474aa3c6deaf2f6c1f565e694Eric Laurent int addAudioPortCallback(const sp<AudioPortCallback>& callback); 428e8726fea8a53bf3474aa3c6deaf2f6c1f565e694Eric Laurent int removeAudioPortCallback(const sp<AudioPortCallback>& callback); 429b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent 430c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // DeathRecipient 431c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent virtual void binderDied(const wp<IBinder>& who); 432b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 433b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent // IAudioPolicyServiceClient 434b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPortListUpdate(); 435b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPatchListUpdate(); 436de80105c3f2db0eabd47640c49387ea3b44d4782Jean-Michel Trivi virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state); 4372f4fe9f7df8f22c6bc8745407d19df73128810ecJean-Michel Trivi virtual void onRecordingConfigurationUpdate(int event, audio_session_t session, 4387281aa9810b33eff47b00104db26c97c77931611Jean-Michel Trivi audio_source_t source, const audio_config_base_t *clientConfig, 4398c7cf3b7d0d7bccb9affbc34ae2ab2d6b332f972Jean-Michel Trivi const audio_config_base_t *deviceConfig, audio_patch_handle_t patchHandle); 440b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent 441b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent private: 442b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent Mutex mLock; 443b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent Vector <sp <AudioPortCallback> > mAudioPortCallbacks; 444c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent }; 445c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 446296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static const sp<AudioFlingerClient> getAudioFlingerClient(); 447296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static sp<AudioIoDescriptor> getIoDescriptor(audio_io_handle_t ioHandle); 448296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<AudioFlingerClient> gAudioFlingerClient; 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<AudioPolicyServiceClient> gAudioPolicyServiceClient; 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project friend class AudioFlingerClient; 452c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent friend class AudioPolicyServiceClient; 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 454f6778fd0c72ab54328f0e9f5ecf0017b73e99dd8Eric Laurent static Mutex gLock; // protects gAudioFlinger and gAudioErrorCallback, 455f6778fd0c72ab54328f0e9f5ecf0017b73e99dd8Eric Laurent static Mutex gLockAPS; // protects gAudioPolicyService and gAudioPolicyServiceClient 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static sp<IAudioFlinger> gAudioFlinger; 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static audio_error_callback gAudioErrorCallback; 458f613d42b12389335b2ecf06df18d0d095d6bfd44Jean-Michel Trivi static dynamic_policy_callback gDynPolicyCallback; 4592f4fe9f7df8f22c6bc8745407d19df73128810ecJean-Michel Trivi static record_config_callback gRecordConfigCallback; 460c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static size_t gInBuffSize; 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // previous parameters for recording buffer size queries 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static uint32_t gPrevInSamplingRate; 46458f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten static audio_format_t gPrevInFormat; 465dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten static audio_channel_mask_t gPrevInChannelMask; 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<IAudioPolicyService> gAudioPolicyService; 468c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent}; 469c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#endif /*ANDROID_AUDIOSYSTEM_H_*/ 473