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); 34c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 351ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kastenclass IAudioFlinger; 36c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentclass IAudioPolicyService; 37c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentclass String8; 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectclass AudioSystem 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectpublic: 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* These are static methods to control the system-wide AudioFlinger 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * only privileged processes can have access to them 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute microphone 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t muteMicrophone(bool state); 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t isMicrophoneMuted(bool *state); 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get master volume 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t setMasterVolume(float value); 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t getMasterVolume(float* volume); 544bcae82f9b07d1a39956c45a6f5bec0b696c4dd1Glenn Kasten 55c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute audio outputs 56c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t setMasterMute(bool mute); 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static status_t getMasterMute(bool* mute); 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get stream volume on specified output 6072ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten static status_t setStreamVolume(audio_stream_type_t stream, float value, 6172ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output); 6272ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten static status_t getStreamVolume(audio_stream_type_t stream, float* volume, 6372ef00de10fa95bfcb948ed88ab9b7a177ed0b48Glenn Kasten audio_io_handle_t output); 64c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 65c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // mute/unmute stream 66fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t setStreamMute(audio_stream_type_t stream, bool mute); 67fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten static status_t getStreamMute(audio_stream_type_t stream, bool* mute); 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten // set audio mode in audio hardware 70f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten static status_t setMode(audio_mode_t mode); 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // returns true in *state if tracks are active on the specified stream or have been active 73eda6c364c253ba97ee45a3adeb8c2b45db1f81dbEric Laurent // in the past inPastMs milliseconds 746a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten static status_t isStreamActive(audio_stream_type_t stream, bool *state, uint32_t inPastMs); 75272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // returns true in *state if tracks are active for what qualifies as remote playback 76272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // on the specified stream or have been active in the past inPastMs milliseconds. Remote 77272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi // playback isn't mutually exclusive with local playback. 78272ab546940054ad7991bef4b3a36f15175721cdJean-Michel Trivi static status_t isStreamActiveRemotely(audio_stream_type_t stream, bool *state, 796a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten uint32_t inPastMs); 80d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi // returns true in *state if a recorder is currently recording with the specified source 81d7086030fcf731e4bcef6c033cc6418cd04e6b91Jean-Michel Trivi static status_t isSourceActive(audio_source_t source, bool *state); 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 83c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // set/get audio hardware parameters. The function accepts a list of parameters 84c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // key value pairs in the form: key1=value1;key2=value2;... 85c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Some keys are reserved for standard parameters (See AudioParameter class). 86c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten // The versions with audio_io_handle_t are intended for internal media framework use only. 87c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs); 88c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static String8 getParameters(audio_io_handle_t ioHandle, const String8& keys); 89c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten // The versions without audio_io_handle_t are intended for JNI. 90c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten static status_t setParameters(const String8& keyValuePairs); 91c23885ebb142b9da31543789ecc3f7cf7111bc67Glenn Kasten static String8 getParameters(const String8& keys); 92c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static void setErrorCallback(audio_error_callback cb); 94f613d42b12389335b2ecf06df18d0d095d6bfd44Jean-Michel Trivi static void setDynPolicyCallback(dynamic_policy_callback cb); 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // helper function to obtain AudioFlinger service handle 970ebd5f95b68a3a5c9e5509f21938c9e51e74d71bEric Laurent static const sp<IAudioFlinger> get_audio_flinger(); 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static float linearToLog(int volume); 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static int logToLinear(float volume); 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten // Returned samplingRate and frameCount output values are guaranteed 103f94006ca0f30c27868c284e553f57bf467ae92bcGlenn Kasten // to be non-zero if status == NO_ERROR 104f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should be deprecated. 1053b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten static status_t getOutputSamplingRate(uint32_t* samplingRate, 1066a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_stream_type_t stream); 107f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should be deprecated. 108e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten static status_t getOutputFrameCount(size_t* frameCount, 1096a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_stream_type_t stream); 110f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should be deprecated. 11185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten static status_t getOutputLatency(uint32_t* latency, 1126a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_stream_type_t stream); 1131a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent static status_t getSamplingRate(audio_io_handle_t output, 1143b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t* samplingRate); 1151a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent // returns the number of frames per audio HAL write buffer. Corresponds to 116665470b36f202bcc8ee2f7417f68fd2608dd07c1Eric Laurent // audio_stream->get_buffer_size()/audio_stream_out_frame_size() 1171a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent static status_t getFrameCount(audio_io_handle_t output, 118e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount); 119f59497bd3c190e087202043de5450ef06e92b27dGlenn Kasten // returns the audio output latency in ms. Corresponds to 1201a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent // audio_stream_out->get_latency() 1211a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent static status_t getLatency(audio_io_handle_t output, 1221a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent uint32_t* latency); 123c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 124b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten // return status NO_ERROR implies *buffSize > 0 125f5e837e3c7d4b1cee3b18d740bf7d07f4d1ddc1cGlenn Kasten // FIXME This API assumes a route, and so should deprecated. 126dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten static status_t getInputBufferSize(uint32_t sampleRate, audio_format_t format, 127dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask, size_t* buffSize); 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129f0ee6f4055e26fb35d9c526a596668a4dc9da5baEric Laurent static status_t setVoiceVolume(float volume); 130c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 131342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // return the number of audio frames written by AudioFlinger to audio HAL and 132f59497bd3c190e087202043de5450ef06e92b27dGlenn Kasten // audio dsp to DAC since the specified output has exited standby. 133342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // returned status (from utils/Errors.h) can be: 134342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - NO_ERROR: successful operation, halFrames and dspFrames point to valid data 135342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - INVALID_OPERATION: Not supported on current hardware platform 136342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // - BAD_VALUE: invalid parameter 137342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // NOTE: this feature is not supported on all hardware platforms and it is 138342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent // necessary to check returned status before using the returned values. 139ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald static status_t getRenderPosition(audio_io_handle_t output, 140377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT uint32_t *halFrames, 1410ed19594452c901c3c8665d06610fffe46895d06Glenn Kasten uint32_t *dspFrames); 142342e9cf388cceb807def720e40e8b0a217f4bcaaEric Laurent 143bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // return the number of input frames lost by HAL implementation, or 0 if the handle is invalid 1445f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kasten static uint32_t getInputFramesLost(audio_io_handle_t ioHandle); 145be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 146de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // Allocate a new unique ID for use as an audio session ID or I/O handle. 147de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // If unable to contact AudioFlinger, returns AUDIO_UNIQUE_ID_ALLOCATE instead. 148de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // FIXME If AudioFlinger were to ever exhaust the unique ID namespace, 149de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // this method could fail by returning either AUDIO_UNIQUE_ID_ALLOCATE 150de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent // or an unspecified existing unique ID. 151de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent static audio_unique_id_t newAudioUniqueId(); 15285d109a4b0eddd76a8c5cee170bc2bcc99d00118Glenn Kasten 153d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen static void acquireAudioSessionId(int audioSession, pid_t pid); 154d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen static void releaseAudioSessionId(int audioSession, pid_t pid); 155c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15693c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent // Get the HW synchronization source used for an audio session. 15793c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent // Return a valid source or AUDIO_HW_SYNC_INVALID if an error occurs 15893c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent // or no HW sync source is used. 15993c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent static audio_hw_sync_t getAudioHwSyncForSession(audio_session_t sessionId); 16093c3d41bdb15e39dac0faea9c5b60f1637cd477cEric Laurent 16172e3f39146fce4686bd96f11057c051bea376dfbEric Laurent // Indicate JAVA services are ready (scheduling, power management ...) 16272e3f39146fce4686bd96f11057c051bea376dfbEric Laurent static status_t systemReady(); 16372e3f39146fce4686bd96f11057c051bea376dfbEric Laurent 164a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // Events used to synchronize actions between audio sessions. 16585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten // For instance SYNC_EVENT_PRESENTATION_COMPLETE can be used to delay recording start until 16685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten // playback is complete on another audio session. 167a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // See definitions in MediaSyncEvent.java 168a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent enum sync_event_t { 169a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_SAME = -1, // used internally to indicate restart with same event 170a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_NONE = 0, 171a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_PRESENTATION_COMPLETE, 172a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 173a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // 174a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // Define new events here: SYNC_EVENT_START, SYNC_EVENT_STOP, SYNC_EVENT_TIME ... 175a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // 176a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent SYNC_EVENT_CNT, 177a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent }; 178a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent 1792986460984580833161bdaabc7f17da1005a8961Eric Laurent // Timeout for synchronous record start. Prevents from blocking the record thread forever 1802986460984580833161bdaabc7f17da1005a8961Eric Laurent // if the trigger event is not fired. 1812986460984580833161bdaabc7f17da1005a8961Eric Laurent static const uint32_t kSyncRecordStartTimeOutMs = 30000; 1822986460984580833161bdaabc7f17da1005a8961Eric Laurent 183c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // IAudioPolicyService interface (see AudioPolicyInterface for method descriptions) 185c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 18685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten static status_t setDeviceConnectionState(audio_devices_t device, audio_policy_dev_state_t state, 187e743a47f445f02a0612018fa5640301304844fbfPaul McLean const char *device_address, const char *device_name); 18885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten static audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device, 18985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten const char *device_address); 190f78aee70d15daf4690de7e7b4983ee68b0d1381dGlenn Kasten static status_t setPhoneState(audio_mode_t state); 191fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config); 192fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage); 193d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten 194d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // Client must successfully hand off the handle reference to AudioFlinger via createTrack(), 195d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // or release it with releaseOutput(). 196fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static audio_io_handle_t getOutput(audio_stream_type_t stream, 197c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t samplingRate = 0, 19858f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format = AUDIO_FORMAT_DEFAULT, 199254af180475346b6186b49c297f340c9c4817511Glenn Kasten audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO, 200ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, 201ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo = NULL); 202e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent static status_t getOutputForAttr(const audio_attributes_t *attr, 203aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_io_handle_t *output, 204aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_session_t session, 205aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_stream_type_t *stream, 2068c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent uid_t uid, 207aa9811945f575614b3482d09e4d969792701cebbPaul McLean uint32_t samplingRate = 0, 208aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_format_t format = AUDIO_FORMAT_DEFAULT, 209aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO, 210aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, 211aa9811945f575614b3482d09e4d969792701cebbPaul McLean audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE, 212aa9811945f575614b3482d09e4d969792701cebbPaul McLean const audio_offload_info_t *offloadInfo = NULL); 213de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t startOutput(audio_io_handle_t output, 214fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 215e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_session_t session); 216de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t stopOutput(audio_io_handle_t output, 217fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_stream_type_t stream, 218e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_session_t session); 219e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent static void releaseOutput(audio_io_handle_t output, 220e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t stream, 221e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_session_t session); 222d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten 223d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // Client must successfully hand off the handle reference to AudioFlinger via openRecord(), 224d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten // or release it with releaseInput(). 225caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent static status_t getInputForAttr(const audio_attributes_t *attr, 226caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent audio_io_handle_t *input, 227caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent audio_session_t session, 2288c7e6dac6f5eb38cef627dab92eac8b38513450cEric Laurent uid_t uid, 2296a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten uint32_t samplingRate, 2306a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_format_t format, 2316a5e79733c760d7555aacec53c8bd21e8516c0a1Glenn Kasten audio_channel_mask_t channelMask, 232466dc8ed6ca6b7f585104806c48613dd34e608c9Paul McLean audio_input_flags_t flags, 233466dc8ed6ca6b7f585104806c48613dd34e608c9Paul McLean audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE); 234d631d962a831de8b7614b14d7368eae60c816893Glenn Kasten 2354dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent static status_t startInput(audio_io_handle_t input, 2364dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent audio_session_t session); 2374dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent static status_t stopInput(audio_io_handle_t input, 2384dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent audio_session_t session); 2394dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent static void releaseInput(audio_io_handle_t input, 2404dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent audio_session_t session); 241fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static status_t initStreamVolume(audio_stream_type_t stream, 242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMin, 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int indexMax); 24483844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent static status_t setStreamVolumeIndex(audio_stream_type_t stream, 24583844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int index, 24683844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device); 24783844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent static status_t getStreamVolumeIndex(audio_stream_type_t stream, 24883844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent int *index, 24983844cc2f95dc279015b47fd1e18c7cb4eabe9a1Eric Laurent audio_devices_t device); 250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 251fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin static uint32_t getStrategyForStream(audio_stream_type_t stream); 2526374252107fd6539397598195ea6defd5870fafbEric Laurent static audio_devices_t getDevicesForStream(audio_stream_type_t stream); 253de070137f11d346fba77605bd76a44c040a618fcEric Laurent 25458e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kasten static audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc); 25558e5aa34f01d663654d8bafad65db1dda42161ffGlenn Kasten static status_t registerEffect(const effect_descriptor_t *desc, 2567c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io, 257de070137f11d346fba77605bd76a44c040a618fcEric Laurent uint32_t strategy, 258de070137f11d346fba77605bd76a44c040a618fcEric Laurent int session, 259de070137f11d346fba77605bd76a44c040a618fcEric Laurent int id); 260de070137f11d346fba77605bd76a44c040a618fcEric Laurent static status_t unregisterEffect(int id); 261db7c079f284f6e91266f6653ae0ec198b1c5006eEric Laurent static status_t setEffectEnabled(int id, bool enabled); 262de070137f11d346fba77605bd76a44c040a618fcEric Laurent 2639f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // clear stream to output mapping cache (gStreamOutputMap) 2649f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // and output configuration cache (gOutputs) 2659f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent static void clearAudioConfigCache(); 2669f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 2670ebd5f95b68a3a5c9e5509f21938c9e51e74d71bEric Laurent static const sp<IAudioPolicyService> get_audio_policy_service(); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 269cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten // helpers for android.media.AudioManager.getProperty(), see description there for meaning 2703b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten static uint32_t getPrimaryOutputSamplingRate(); 271e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten static size_t getPrimaryOutputFrameCount(); 272cc0f1cfb69ce8b8985fc2c0984847a06a13ad22dGlenn Kasten 2734182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten static status_t setLowRamDevice(bool isLowRamDevice); 2744182c4e2a07e2441fcd5c22eaff0ddfe7f826f61Glenn Kasten 275ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald // Check if hw offload is possible for given format, stream type, sample rate, 276ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald // bit rate, duration, video and streaming or offload property is enabled 277ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald static bool isOffloadSupported(const audio_offload_info_t& info); 278ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 27946291616486979986cba3ab83e894728ef53063fEric Laurent // check presence of audio flinger service. 28046291616486979986cba3ab83e894728ef53063fEric Laurent // returns NO_ERROR if binding to service succeeds, DEAD_OBJECT otherwise 28146291616486979986cba3ab83e894728ef53063fEric Laurent static status_t checkAudioFlinger(); 282203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 283203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* List available audio ports and their attributes */ 284203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t listAudioPorts(audio_port_role_t role, 285203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent audio_port_type_t type, 286203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent unsigned int *num_ports, 287203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent struct audio_port *ports, 288203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent unsigned int *generation); 289203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 290203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Get attributes for a given audio port */ 291203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t getAudioPort(struct audio_port *port); 292203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 293203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Create an audio patch between several source and sink ports */ 294203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t createAudioPatch(const struct audio_patch *patch, 295203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent audio_patch_handle_t *handle); 296203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 297203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Release an audio patch */ 298203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t releaseAudioPatch(audio_patch_handle_t handle); 299203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 300203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* List existing audio patches */ 301203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t listAudioPatches(unsigned int *num_patches, 302203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent struct audio_patch *patches, 303203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent unsigned int *generation); 304203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent /* Set audio port configuration */ 305203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent static status_t setAudioPortConfig(const struct audio_port_config *config); 306203b1a18a806e2c56c701aac49cda963bccfad5bEric Laurent 307df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent 308df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent static status_t acquireSoundTriggerSession(audio_session_t *session, 309df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent audio_io_handle_t *ioHandle, 310df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent audio_devices_t *device); 311df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent static status_t releaseSoundTriggerSession(audio_session_t session); 312df3dc7e2fe6c639529b70e3f3a7d2bf0f4c6e871Eric Laurent 313bb6c9a05840d924b502ce0f1868fca4881ada1edEric Laurent static audio_mode_t getPhoneState(); 314bb6c9a05840d924b502ce0f1868fca4881ada1edEric Laurent 315baac183f3808d7b68f184647a97bd381620415feEric Laurent static status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration); 316baac183f3808d7b68f184647a97bd381620415feEric Laurent 317554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent static status_t startAudioSource(const struct audio_port_config *source, 318554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent const audio_attributes_t *attributes, 319554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent audio_io_handle_t *handle); 320554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent static status_t stopAudioSource(audio_io_handle_t handle); 321554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent 322554a277d4e42a3d3df3d90ba0e7dfa2d31690e32Eric Laurent 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // ---------------------------------------------------------------------------- 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 325b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent class AudioPortCallback : public RefBase 326b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent { 327b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent public: 328b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 329b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent AudioPortCallback() {} 330b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual ~AudioPortCallback() {} 331b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 332b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPortListUpdate() = 0; 333b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPatchListUpdate() = 0; 334b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onServiceDied() = 0; 335b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 336b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent }; 337b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 338296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t addAudioPortCallback(const sp<AudioPortCallback>& callback); 339296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t removeAudioPortCallback(const sp<AudioPortCallback>& callback); 340296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 341296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent class AudioDeviceCallback : public RefBase 342296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent { 343296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent public: 344296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 345296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent AudioDeviceCallback() {} 346296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent virtual ~AudioDeviceCallback() {} 347296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 348296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo, 349296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_port_handle_t deviceId) = 0; 350296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent }; 351296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 352296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t addAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 353296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 354296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static status_t removeAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 355296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 356296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 357296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static audio_port_handle_t getDeviceIdForIo(audio_io_handle_t audioIo); 358b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectprivate: 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project class AudioFlingerClient: public IBinder::DeathRecipient, public BnAudioFlingerClient 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project public: 36473e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent AudioFlingerClient() : 36573e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent mInBuffSize(0), mInSamplingRate(0), 36673e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent mInFormat(AUDIO_FORMAT_DEFAULT), mInChannelMask(AUDIO_CHANNEL_NONE) { 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 368c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 36973e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent void clearIoCache(); 37073e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent status_t getInputBufferSize(uint32_t sampleRate, audio_format_t format, 37173e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent audio_channel_mask_t channelMask, size_t* buffSize); 37273e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent sp<AudioIoDescriptor> getIoDescriptor(audio_io_handle_t ioHandle); 37373e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // DeathRecipient 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void binderDied(const wp<IBinder>& who); 376c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // IAudioFlingerClient 378c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 379c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // indicate a change in the configuration of an output or input: keeps the cached 380b81cc8c6f3eec9edb255ea99b6a6f243585b1e38Glenn Kasten // values for output/input parameters up-to-date in client process 38173e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent virtual void ioConfigChanged(audio_io_config_event event, 38273e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent const sp<AudioIoDescriptor>& ioDesc); 383296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 384296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 385296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t addAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 386296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 387296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent status_t removeAudioDeviceCallback(const sp<AudioDeviceCallback>& callback, 388296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_io_handle_t audioIo); 389296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 390296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent audio_port_handle_t getDeviceIdForIo(audio_io_handle_t audioIo); 391296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 39273e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent private: 39373e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent Mutex mLock; 394296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent DefaultKeyedVector<audio_io_handle_t, sp<AudioIoDescriptor> > mIoDescriptors; 395296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent DefaultKeyedVector<audio_io_handle_t, Vector < sp<AudioDeviceCallback> > > 396296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent mAudioDeviceCallbacks; 39773e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent // cached values for recording getInputBufferSize() queries 39873e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent size_t mInBuffSize; // zero indicates cache is invalid 39973e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent uint32_t mInSamplingRate; 40073e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent audio_format_t mInFormat; 40173e26b661af50be2c0a4ff6c9ac85f7347a8b235Eric Laurent audio_channel_mask_t mInChannelMask; 4024802c0c507681634aee38518581a080bfa443ae2Praveen Chavan sp<AudioIoDescriptor> getIoDescriptor_l(audio_io_handle_t ioHandle); 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 405b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent class AudioPolicyServiceClient: public IBinder::DeathRecipient, 406b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent public BnAudioPolicyServiceClient 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent { 408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent public: 409c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioPolicyServiceClient() { 410c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 412e8726fea8a53bf3474aa3c6deaf2f6c1f565e694Eric Laurent int addAudioPortCallback(const sp<AudioPortCallback>& callback); 413e8726fea8a53bf3474aa3c6deaf2f6c1f565e694Eric Laurent int removeAudioPortCallback(const sp<AudioPortCallback>& callback); 414b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent 415c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // DeathRecipient 416c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent virtual void binderDied(const wp<IBinder>& who); 417b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent 418b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent // IAudioPolicyServiceClient 419b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPortListUpdate(); 420b52c152d553556b2d227ffc943489de0c60b4b02Eric Laurent virtual void onAudioPatchListUpdate(); 421de80105c3f2db0eabd47640c49387ea3b44d4782Jean-Michel Trivi virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state); 422b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent 423b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent private: 424b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent Mutex mLock; 425b28753e19550e5051cd02e6af72ab06e4eff04e0Eric Laurent Vector <sp <AudioPortCallback> > mAudioPortCallbacks; 426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent }; 427c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 428296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static const sp<AudioFlingerClient> getAudioFlingerClient(); 429296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent static sp<AudioIoDescriptor> getIoDescriptor(audio_io_handle_t ioHandle); 430296fb13dd9b5e90d6a05cce897c3b1e7914a478aEric Laurent 431c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<AudioFlingerClient> gAudioFlingerClient; 432c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<AudioPolicyServiceClient> gAudioPolicyServiceClient; 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project friend class AudioFlingerClient; 434c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent friend class AudioPolicyServiceClient; 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 436f6778fd0c72ab54328f0e9f5ecf0017b73e99dd8Eric Laurent static Mutex gLock; // protects gAudioFlinger and gAudioErrorCallback, 437f6778fd0c72ab54328f0e9f5ecf0017b73e99dd8Eric Laurent static Mutex gLockAPS; // protects gAudioPolicyService and gAudioPolicyServiceClient 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static sp<IAudioFlinger> gAudioFlinger; 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static audio_error_callback gAudioErrorCallback; 440f613d42b12389335b2ecf06df18d0d095d6bfd44Jean-Michel Trivi static dynamic_policy_callback gDynPolicyCallback; 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static size_t gInBuffSize; 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // previous parameters for recording buffer size queries 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static uint32_t gPrevInSamplingRate; 44558f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten static audio_format_t gPrevInFormat; 446dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten static audio_channel_mask_t gPrevInChannelMask; 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent static sp<IAudioPolicyService> gAudioPolicyService; 449c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent}; 450c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#endif /*ANDROID_AUDIOSYSTEM_H_*/ 454