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