AMRWriter.h revision e2b43843fd12783188edd2c54188ea8d26864788 
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
27namespace android {
28
29class MetaData;
30
31struct 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
42protected:
43    virtual ~AMRWriter();
44
45private:
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