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 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);
36    virtual status_t stop() { return reset(); }
37    virtual status_t pause();
38
39protected:
40    virtual ~AMRWriter();
41
42private:
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