AMRWriter.h revision d599cd4573b5a2d5914c5040e0565ef866749b77 
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;
29
30struct AMRWriter : public MediaWriter {
31    AMRWriter(const char *filename);
32    AMRWriter(int fd);
33
34    status_t initCheck() const;
35
36    virtual status_t addSource(const sp<MediaSource> &source);
37    virtual bool reachedEOS();
38    virtual status_t start();
39    virtual void stop();
40
41protected:
42    virtual ~AMRWriter();
43
44private:
45    FILE *mFile;
46    status_t mInitCheck;
47    sp<MediaSource> mSource;
48    bool mStarted;
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    void threadFunc();
57    bool exceedsFileSizeLimit();
58    bool exceedsFileDurationLimit();
59
60    AMRWriter(const AMRWriter &);
61    AMRWriter &operator=(const AMRWriter &);
62};
63
64}  // namespace android
65
66#endif  // AMR_WRITER_H_
67