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 namespace android { 29 30 // ---------------------------------------------------------------------------- 31 32 class IAudioRecord : public IInterface 33 { 34 public: 35 DECLARE_META_INTERFACE(AudioRecord); 36 37 /* get this tracks control block */ 38 virtual sp<IMemory> getCblk() const = 0; 39 40 /* After it's created the track is not active. Call start() to 41 * make it active. 42 */ 43 virtual status_t start(int /*AudioSystem::sync_event_t*/ event, int triggerSession) = 0; 44 45 /* Stop a track. If set, the callback will cease being called and 46 * obtainBuffer will return an error. Buffers that are already released 47 * will be processed, unless flush() is called. 48 */ 49 virtual void stop() = 0; 50 }; 51 52 // ---------------------------------------------------------------------------- 53 54 class BnAudioRecord : public BnInterface<IAudioRecord> 55 { 56 public: 57 virtual status_t onTransact( uint32_t code, 58 const Parcel& data, 59 Parcel* reply, 60 uint32_t flags = 0); 61 }; 62 63 // ---------------------------------------------------------------------------- 64 65 }; // namespace android 66 67 #endif /*IAUDIORECORD_H_*/ 68