AudioRecord.h revision a636433cbd09c0708b85f337ef45c0cdef3bcb4d
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 AUDIORECORD_H_ 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define AUDIORECORD_H_ 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <stdint.h> 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/types.h> 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/IAudioFlinger.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/IAudioRecord.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/RefBase.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Errors.h> 287562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IInterface.h> 297562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IMemory.h> 30a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten#include <cutils/sched_policy.h> 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/threads.h> 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3364760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 34a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent#include <media/AudioSystem.h> 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38a3f1fa308728976fc9ca1b4f37d26e633b32b9acGlenn Kastenclass audio_track_cblk_t; 39a3f1fa308728976fc9ca1b4f37d26e633b32b9acGlenn Kasten 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ---------------------------------------------------------------------------- 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42a0a98ca6ec9b599af79a597cb7c5350b61a77624Eric Laurentclass AudioRecord : virtual public RefBase 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectpublic: 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project static const int DEFAULT_SAMPLE_RATE = 8000; 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Events used by AudioRecord callback function (callback_t). 49c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * to keep in sync with frameworks/base/media/java/android/media/AudioRecord.java 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project enum event_type { 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project EVENT_MORE_DATA = 0, // Request to reqd more data from PCM buffer. 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project EVENT_OVERRUN = 1, // PCM buffer overrun occured. 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project EVENT_MARKER = 2, // Record head is at the specified marker position 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // (See setMarkerPosition()). 57c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent EVENT_NEW_POS = 3, // Record head is at a new position 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // (See setPositionUpdatePeriod()). 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Create Buffer on the stack and pass it to obtainBuffer() 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * and releaseBuffer(). 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project class Buffer 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project public: 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project enum { 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project MUTE = 0x00000001 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags; 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int channelCount; 7358f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format; 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t frameCount; 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t size; 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project union { 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* raw; 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project short* i16; 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int8_t* i8; 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* These are static methods to control the system-wide AudioFlinger 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * only privileged processes can have access to them 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// static status_t setMasterMute(bool mute); 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* As a convenience, if a callback is supplied, a handler thread 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * is automatically created with the appropriate priority. This thread 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * invokes the callback when a new buffer becomes ready or an overrun condition occurs. 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Parameters: 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * event: type of event notified (see enum AudioRecord::event_type). 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * user: Pointer to context for use by the callback receiver. 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * info: Pointer to optional parameter according to event type: 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - EVENT_MORE_DATA: pointer to AudioRecord::Buffer struct. The callback must not read 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * more bytes than indicated by 'size' field and update 'size' if less bytes are 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * read. 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - EVENT_OVERRUN: unused. 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - EVENT_MARKER: pointer to an uin32_t containing the marker position in frames. 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - EVENT_NEW_POS: pointer to an uin32_t containing the new position in frames. 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project typedef void (*callback_t)(int event, void* user, void *info); 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh /* Returns the minimum frame count required for the successful creation of 10815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh * an AudioRecord object. 10915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh * Returned status (from utils/Errors.h) can be: 11015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh * - NO_ERROR: successful operation 11115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh * - NO_INIT: audio server or audio hardware not initialized 11215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh * - BAD_VALUE: unsupported configuration 11315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh */ 11415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 11515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh static status_t getMinFrameCount(int* frameCount, 11615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh uint32_t sampleRate, 11758f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 11815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh int channelCount); 11915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Constructs an uninitialized AudioRecord. No connection with 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * AudioFlinger takes place. 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project AudioRecord(); 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Creates an AudioRecord track and registers it with AudioFlinger. 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Once created, the track needs to be started before it can be used. 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Unspecified values are set to the audio hardware's current 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * values. 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Parameters: 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 132c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * inputSource: Select the audio input to record to (e.g. AUDIO_SOURCE_DEFAULT). 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * sampleRate: Track sampling rate in Hz. 134fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin * format: Audio format (e.g AUDIO_FORMAT_PCM_16_BIT for signed 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 16 bits per sample). 1360d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi * channelMask: Channel mask: see audio_channels_t. 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * frameCount: Total size of track PCM buffer in frames. This defines the 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * latency of the track. 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * flags: A bitmask of acoustic values from enum record_flags. It enables 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * AGC, NS, and IIR. 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * cbf: Callback function. If not null, this function is called periodically 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * to provide new PCM data. 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * notificationFrames: The callback function is called each time notificationFrames PCM 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * frames are ready in record track output buffer. 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * user Context for use by the callback receiver. 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148679ab0b0792846a89162ce41c953819d70030112Glenn Kasten // FIXME consider removing this alias and replacing it by audio_in_acoustics_t 149679ab0b0792846a89162ce41c953819d70030112Glenn Kasten // or removing the parameter entirely if it is unused 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project enum record_flags { 151fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin RECORD_AGC_ENABLE = AUDIO_IN_ACOUSTICS_AGC_ENABLE, 152fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin RECORD_NS_ENABLE = AUDIO_IN_ACOUSTICS_NS_ENABLE, 153fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin RECORD_IIR_ENABLE = AUDIO_IN_ACOUSTICS_TX_IIR_ENABLE, 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten AudioRecord(audio_source_t inputSource, 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate = 0, 15858f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format = AUDIO_FORMAT_DEFAULT, 1590d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask = AUDIO_CHANNEL_IN_MONO, 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount = 0, 161679ab0b0792846a89162ce41c953819d70030112Glenn Kasten record_flags flags = (record_flags) 0, 162a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten callback_t cbf = NULL, 163a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten void* user = NULL, 164be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames = 0, 165be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId = 0); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Terminates the AudioRecord and unregisters it from AudioFlinger. 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Also destroys all resources assotiated with the AudioRecord. 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ~AudioRecord(); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Initialize an uninitialized AudioRecord. 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Returned status (from utils/Errors.h) can be: 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - NO_ERROR: successful intialization 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - INVALID_OPERATION: AudioRecord is already intitialized or record device is already in use 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * - BAD_VALUE: invalid parameter (channels, format, sampleRate...) 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - NO_INIT: audio server or audio hardware not initialized 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - PERMISSION_DENIED: recording is not allowed for the requesting process 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * */ 182eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten status_t set(audio_source_t inputSource = AUDIO_SOURCE_DEFAULT, 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate = 0, 18458f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format = AUDIO_FORMAT_DEFAULT, 1850d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask = AUDIO_CHANNEL_IN_MONO, 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount = 0, 187679ab0b0792846a89162ce41c953819d70030112Glenn Kasten record_flags flags = (record_flags) 0, 188a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten callback_t cbf = NULL, 189a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten void* user = NULL, 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames = 0, 191be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava = false, 192be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId = 0); 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Result of constructing the AudioRecord. This must be checked 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * before using any AudioRecord API (except for set()), using 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * an uninitialized AudioRecord produces undefined results. 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * See set() method above for possible return codes. 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t initCheck() const; 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Returns this track's latency in milliseconds. 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * This includes the latency due to AudioRecord buffer size 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * and audio hardware driver. 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t latency() const; 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* getters, see constructor */ 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format() const; 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int channelCount() const; 212c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels() const; 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frameCount() const; 214b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSize() const; 215eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource() const; 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* After it's created the track is not active. Call start() to 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * make it active. If set, the callback will start being called. 220a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent * if event is not AudioSystem::SYNC_EVENT_NONE, the capture start will be delayed until 221a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent * the specified event occurs on the specified trigger session. 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 223a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent status_t start(AudioSystem::sync_event_t event = AudioSystem::SYNC_EVENT_NONE, 224a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent int triggerSession = 0); 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Stop a track. If set, the callback will cease being called and 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * obtainBuffer returns STOPPED. Note that obtainBuffer() still works 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * and will fill up buffers until the pool is exhausted. 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t stop(); 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bool stopped() const; 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 233573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent /* get sample rate for this record track 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 235606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten uint32_t getSampleRate() const; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* Sets marker position. When record reaches the number of frames specified, 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * a callback with event type EVENT_MARKER is called. Calling setMarkerPosition 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * with marker == 0 cancels marker notification callback. 240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * If the AudioRecord has been opened with no callback function associated, 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * the operation will fail. 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Parameters: 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * marker: marker position expressed in frames. 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Returned status (from utils/Errors.h) can be: 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - NO_ERROR: successful operation 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - INVALID_OPERATION: the AudioRecord has no callback installed. 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t setMarkerPosition(uint32_t marker); 252606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten status_t getMarkerPosition(uint32_t *marker) const; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent /* Sets position update period. Every time the number of frames specified has been recorded, 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * a callback with event type EVENT_NEW_POS is called. 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * Calling setPositionUpdatePeriod with updatePeriod == 0 cancels new position notification 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * callback. 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * If the AudioRecord has been opened with no callback function associated, 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * the operation will fail. 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Parameters: 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * updatePeriod: position update notification period expressed in frames. 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Returned status (from utils/Errors.h) can be: 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - NO_ERROR: successful operation 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - INVALID_OPERATION: the AudioRecord has no callback installed. 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t setPositionUpdatePeriod(uint32_t updatePeriod); 271606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten status_t getPositionUpdatePeriod(uint32_t *updatePeriod) const; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 274c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent /* Gets record head position. The position is the total number of frames 275c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * recorded since record start. 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Parameters: 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * position: Address where to return record head position within AudioRecord buffer. 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Returned status (from utils/Errors.h) can be: 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - NO_ERROR: successful operation 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * - BAD_VALUE: position is NULL 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 285606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten status_t getPosition(uint32_t *position) const; 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent /* returns a handle on the audio input used by this AudioRecord. 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * Parameters: 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * none. 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * Returned value: 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent * handle on audio hardware input 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent */ 295606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten audio_io_handle_t getInput() const; 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 297be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent /* returns the audio session ID associated to this AudioRecord. 298be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent * 299be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent * Parameters: 300be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent * none. 301be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent * 302be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent * Returned value: 303be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent * AudioRecord session ID. 304be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent */ 305606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten int getSessionId() const; 306be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* obtains a buffer of "frameCount" frames. The buffer must be 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * filled entirely. If the track is stopped, obtainBuffer() returns 309417c27304c67057779693007a7bc08e4dd80c262Glenn Kasten * STOPPED instead of NO_ERROR as long as there are buffers available, 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * at which point NO_MORE_BUFFERS is returned. 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * Buffers will be returned until the pool (buffercount()) 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * is exhausted, at which point obtainBuffer() will either block 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * or return WOULD_BLOCK depending on the value of the "blocking" 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project * parameter. 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project enum { 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project NO_MORE_BUFFERS = 0x80000001, 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project STOPPED = 1 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t obtainBuffer(Buffer* audioBuffer, int32_t waitCount); 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void releaseBuffer(Buffer* audioBuffer); 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* As a convenience we provide a read() interface to the audio buffer. 327417c27304c67057779693007a7bc08e4dd80c262Glenn Kasten * This is implemented on top of obtainBuffer/releaseBuffer. 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project */ 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t read(void* buffer, size_t size); 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 331417c27304c67057779693007a7bc08e4dd80c262Glenn Kasten /* Return the amount of input frames lost in the audio driver since the last call of this 332417c27304c67057779693007a7bc08e4dd80c262Glenn Kasten * function. Audio driver is expected to reset the value to 0 and restart counting upon 333417c27304c67057779693007a7bc08e4dd80c262Glenn Kasten * returning the current value by this function call. Such loss typically occurs when the 334417c27304c67057779693007a7bc08e4dd80c262Glenn Kasten * user space process is blocked longer than the capacity of audio driver buffers. 33505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent * Unit: the number of input audio frames 33605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent */ 337606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten unsigned int getInputFramesLost() const; 33805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectprivate: 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* copying audio tracks is not allowed */ 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project AudioRecord(const AudioRecord& other); 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project AudioRecord& operator = (const AudioRecord& other); 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project /* a small internal class to handle the callback */ 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project class ClientRecordThread : public Thread 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project { 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project public: 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ClientRecordThread(AudioRecord& receiver, bool bCanCallJava = false); 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project private: 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project friend class AudioRecord; 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual bool threadLoop(); 3526dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten virtual status_t readyToRun(); 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project virtual void onFirstRef() {} 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project AudioRecord& mReceiver; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }; 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bool processAudioBuffer(const sp<ClientRecordThread>& thread); 3581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t openRecord_l(uint32_t sampleRate, 35958f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 3600d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask, 36134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 3626100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input); 3631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_io_handle_t getInput_l(); 3641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t restoreRecord_l(audio_track_cblk_t*& cblk); 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IAudioRecord> mAudioRecord; 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IMemory> mCblkMemory; 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<ClientRecordThread> mClientRecordThread; 3696dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten status_t mReadyToRun; 370606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kasten mutable Mutex mLock; 3716dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten Condition mCondition; 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t mFrameCount; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* mCblk; 37658f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t mFormat; 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint8_t mChannelCount; 378eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t mInputSource; 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t mStatus; 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t mLatency; 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project volatile int32_t mActive; 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t mCbf; 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* mUserData; 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t mNotificationFrames; 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t mRemainingFrames; 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t mMarkerPosition; 3897d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi bool mMarkerReached; 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t mNewPosition; 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t mUpdatePeriod; 392679ab0b0792846a89162ce41c953819d70030112Glenn Kasten record_flags mFlags; 3930d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t mChannelMask; 39405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent audio_io_handle_t mInput; 395be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int mSessionId; 396879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten int mPreviousPriority; // before start() 397a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten SchedPolicy mPreviousSchedulingGroup; 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#endif /*AUDIORECORD_H_*/ 403