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/stagefright/MediaWriter.h> 24#include <utils/threads.h> 25 26namespace android { 27 28struct MediaSource; 29struct MetaData; 30 31struct AMRWriter : public MediaWriter { 32 AMRWriter(const char *filename); 33 AMRWriter(int fd); 34 35 status_t initCheck() const; 36 37 virtual status_t addSource(const sp<MediaSource> &source); 38 virtual bool reachedEOS(); 39 virtual status_t start(MetaData *params = NULL); 40 virtual status_t stop() { return reset(); } 41 virtual status_t pause(); 42 43protected: 44 virtual ~AMRWriter(); 45 46private: 47 int mFd; 48 status_t mInitCheck; 49 sp<MediaSource> mSource; 50 bool mStarted; 51 volatile bool mPaused; 52 volatile bool mResumed; 53 volatile bool mDone; 54 volatile bool mReachedEOS; 55 pthread_t mThread; 56 int64_t mEstimatedSizeBytes; 57 int64_t mEstimatedDurationUs; 58 59 static void *ThreadWrapper(void *); 60 status_t threadFunc(); 61 bool exceedsFileSizeLimit(); 62 bool exceedsFileDurationLimit(); 63 status_t reset(); 64 65 AMRWriter(const AMRWriter &); 66 AMRWriter &operator=(const AMRWriter &); 67}; 68 69} // namespace android 70 71#endif // AMR_WRITER_H_ 72