MediaWriter.h revision ee4e1b1a63758941460ae79a064249d3a5189443 
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 MEDIA_WRITER_H_
18
19#define MEDIA_WRITER_H_
20
21#include <utils/RefBase.h>
22#include <media/IMediaRecorderClient.h>
23
24namespace android {
25
26struct MediaSource;
27class MetaData;
28
29struct MediaWriter : public RefBase {
30    MediaWriter()
31        : mMaxFileSizeLimitBytes(0),
32          mMaxFileDurationLimitUs(0) {
33    }
34
35    virtual status_t addSource(const sp<MediaSource> &source) = 0;
36    virtual bool reachedEOS() = 0;
37    virtual status_t start(MetaData *params = NULL) = 0;
38    virtual status_t stop() = 0;
39    virtual status_t pause() = 0;
40
41    virtual void setMaxFileSize(int64_t bytes) { mMaxFileSizeLimitBytes = bytes; }
42    virtual void setMaxFileDuration(int64_t durationUs) { mMaxFileDurationLimitUs = durationUs; }
43    virtual void setListener(const sp<IMediaRecorderClient>& listener) {
44        mListener = listener;
45    }
46
47    virtual status_t dump(int fd, const Vector<String16>& args) {
48        return OK;
49    }
50
51    virtual void setStartTimeOffsetMs(int ms) {}
52    virtual int32_t getStartTimeOffsetMs() const { return 0; }
53
54protected:
55    virtual ~MediaWriter() {}
56    int64_t mMaxFileSizeLimitBytes;
57    int64_t mMaxFileDurationLimitUs;
58    sp<IMediaRecorderClient> mListener;
59
60    void notify(int msg, int ext1, int ext2) {
61        if (mListener != NULL) {
62            mListener->notify(msg, ext1, ext2);
63        }
64    }
65private:
66    MediaWriter(const MediaWriter &);
67    MediaWriter &operator=(const MediaWriter &);
68};
69
70}  // namespace android
71
72#endif  // MEDIA_WRITER_H_
73