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 26 namespace android { 27 28 struct AMRWriter : public MediaWriter { 29 AMRWriter(int fd); 30 31 status_t initCheck() const; 32 33 virtual status_t addSource(const sp<MediaSource> &source); 34 virtual bool reachedEOS(); 35 virtual status_t start(MetaData *params = NULL); stopAMRWriter36 virtual status_t stop() { return reset(); } 37 virtual status_t pause(); 38 39 protected: 40 virtual ~AMRWriter(); 41 42 private: 43 int mFd; 44 status_t mInitCheck; 45 sp<MediaSource> mSource; 46 bool mStarted; 47 volatile bool mPaused; 48 volatile bool mResumed; 49 volatile bool mDone; 50 volatile bool mReachedEOS; 51 pthread_t mThread; 52 int64_t mEstimatedSizeBytes; 53 int64_t mEstimatedDurationUs; 54 55 static void *ThreadWrapper(void *); 56 status_t threadFunc(); 57 bool exceedsFileSizeLimit(); 58 bool exceedsFileDurationLimit(); 59 status_t reset(); 60 61 AMRWriter(const AMRWriter &); 62 AMRWriter &operator=(const AMRWriter &); 63 }; 64 65 } // namespace android 66 67 #endif // AMR_WRITER_H_ 68