1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef IAUDIORECORD_H_ 18 #define IAUDIORECORD_H_ 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/RefBase.h> 24 #include <utils/Errors.h> 25 #include <binder/IInterface.h> 26 #include <binder/IMemory.h> 27 28 29 namespace android { 30 31 // ---------------------------------------------------------------------------- 32 33 class IAudioRecord : public IInterface 34 { 35 public: 36 DECLARE_META_INTERFACE(AudioRecord); 37 38 /* After it's created the track is not active. Call start() to 39 * make it active. If set, the callback will start being called. 40 */ 41 virtual status_t start() = 0; 42 43 /* Stop a track. If set, the callback will cease being called and 44 * obtainBuffer will return an error. Buffers that are already released 45 * will be processed, unless flush() is called. 46 */ 47 virtual void stop() = 0; 48 49 /* get this tracks control block */ 50 virtual sp<IMemory> getCblk() const = 0; 51 }; 52 53 // ---------------------------------------------------------------------------- 54 55 class BnAudioRecord : public BnInterface<IAudioRecord> 56 { 57 public: 58 virtual status_t onTransact( uint32_t code, 59 const Parcel& data, 60 Parcel* reply, 61 uint32_t flags = 0); 62 }; 63 64 // ---------------------------------------------------------------------------- 65 66 }; // namespace android 67 68 #endif /*IAUDIORECORD_H_*/ 69
