1 /* 2 * Copyright (C) 2010 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 AMR_WRITER_H_ 18 19 #define AMR_WRITER_H_ 20 21 #include <stdio.h> 22 23 #include <media/IMediaSource.h> 24 #include <media/stagefright/MediaWriter.h> 25 #include <utils/threads.h> 26 27 namespace android { 28 29 class MetaData; 30 31 struct AMRWriter : public MediaWriter { 32 AMRWriter(int fd); 33 34 status_t initCheck() const; 35 36 virtual status_t addSource(const sp<IMediaSource> &source); 37 virtual bool reachedEOS(); 38 virtual status_t start(MetaData *params = NULL); 39 virtual status_t stop() { return reset(); } 40 virtual status_t pause(); 41 42 protected: 43 virtual ~AMRWriter(); 44 45 private: 46 int mFd; 47 status_t mInitCheck; 48 sp<IMediaSource> mSource; 49 bool mStarted; 50 volatile bool mPaused; 51 volatile bool mResumed; 52 volatile bool mDone; 53 volatile bool mReachedEOS; 54 pthread_t mThread; 55 int64_t mEstimatedSizeBytes; 56 int64_t mEstimatedDurationUs; 57 58 static void *ThreadWrapper(void *); 59 status_t threadFunc(); 60 bool exceedsFileSizeLimit(); 61 bool exceedsFileDurationLimit(); 62 status_t reset(); 63 64 AMRWriter(const AMRWriter &); 65 AMRWriter &operator=(const AMRWriter &); 66 }; 67 68 } // namespace android 69 70 #endif // AMR_WRITER_H_ 71