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 #include <media/IMediaSource.h>
24 
25 namespace android {
26 
27 class MetaData;
28 
29 struct MediaWriter : public RefBase {
MediaWriterMediaWriter30     MediaWriter()
31         : mMaxFileSizeLimitBytes(0),
32           mMaxFileDurationLimitUs(0) {
33     }
34 
35     virtual status_t addSource(const sp<IMediaSource> &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 
setMaxFileSizeMediaWriter41     virtual void setMaxFileSize(int64_t bytes) { mMaxFileSizeLimitBytes = bytes; }
setMaxFileDurationMediaWriter42     virtual void setMaxFileDuration(int64_t durationUs) { mMaxFileDurationLimitUs = durationUs; }
setListenerMediaWriter43     virtual void setListener(const sp<IMediaRecorderClient>& listener) {
44         mListener = listener;
45     }
46 
dumpMediaWriter47     virtual status_t dump(int fd, const Vector<String16>& args) {
48         return OK;
49     }
50 
setStartTimeOffsetMsMediaWriter51     virtual void setStartTimeOffsetMs(int ms) {}
getStartTimeOffsetMsMediaWriter52     virtual int32_t getStartTimeOffsetMs() const { return 0; }
53 
54 protected:
~MediaWriterMediaWriter55     virtual ~MediaWriter() {}
56     int64_t mMaxFileSizeLimitBytes;
57     int64_t mMaxFileDurationLimitUs;
58     sp<IMediaRecorderClient> mListener;
59 
notifyMediaWriter60     void notify(int msg, int ext1, int ext2) {
61         if (mListener != NULL) {
62             mListener->notify(msg, ext1, ext2);
63         }
64     }
65 private:
66     MediaWriter(const MediaWriter &);
67     MediaWriter &operator=(const MediaWriter &);
68 };
69 
70 }  // namespace android
71 
72 #endif  // MEDIA_WRITER_H_
73