14ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li/* 2e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Copyright (C) 2007 The Android Open Source Project 34ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * 44ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * Licensed under the Apache License, Version 2.0 (the "License"); 54ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * you may not use this file except in compliance with the License. 64ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * You may obtain a copy of the License at 74ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * 84ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * http://www.apache.org/licenses/LICENSE-2.0 94ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * 104ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * Unless required by applicable law or agreed to in writing, software 114ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * distributed under the License is distributed on an "AS IS" BASIS, 124ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * See the License for the specific language governing permissions and 144ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li * limitations under the License. 154ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li */ 164ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 17e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#ifndef IAUDIORECORD_H_ 18e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#define IAUDIORECORD_H_ 194ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 204ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li#include <stdint.h> 21e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <sys/types.h> 22e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 234ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li#include <utils/RefBase.h> 24e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <utils/Errors.h> 25e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <binder/IInterface.h> 26e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <binder/IMemory.h> 27e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <system/audio.h> 284ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 294ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Linamespace android { 304ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 31e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman// ---------------------------------------------------------------------------- 324ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 33e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanclass IAudioRecord : public IInterface 344ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li{ 354ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Lipublic: 36e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman DECLARE_META_INTERFACE(AudioRecord); 374ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 38e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman /* After it's created the track is not active. Call start() to 39e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * make it active. 40e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman */ 41e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t start(int /*AudioSystem::sync_event_t*/ event, 42e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman audio_session_t triggerSession) = 0; 432d13b1d3eeaba31d8c15acc6037fd68b150a9a66Chien-Yu Chen 44e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman /* Stop a track. If set, the callback will cease being called and 45e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * obtainBuffer will return an error. Buffers that are already released 46e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * will be processed, unless flush() is called. 47e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman */ 48e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual void stop() = 0; 494ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li}; 504ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 514ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li// ---------------------------------------------------------------------------- 524ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 53e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanclass BnAudioRecord : public BnInterface<IAudioRecord> 544ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li{ 554ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Lipublic: 564ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li virtual status_t onTransact( uint32_t code, 574ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li const Parcel& data, 584ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li Parcel* reply, 594ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li uint32_t flags = 0); 604ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li}; 614ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 62e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman// ---------------------------------------------------------------------------- 63e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 644ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li}; // namespace android 654ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li 66e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#endif /*IAUDIORECORD_H_*/ 67