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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 NUPLAYER_SOURCE_H_
18 
19 #define NUPLAYER_SOURCE_H_
20 
21 #include "NuPlayer.h"
22 
23 namespace android {
24 
25 struct ABuffer;
26 
27 struct NuPlayer::Source : public RefBase {
SourceSource28     Source() {}
29 
30     virtual void start() = 0;
31 
32     // Returns OK iff more data was available,
33     // an error or ERROR_END_OF_STREAM if not.
34     virtual status_t feedMoreTSData() = 0;
35 
36     virtual sp<MetaData> getFormat(bool audio) = 0;
37 
38     virtual status_t dequeueAccessUnit(
39             bool audio, sp<ABuffer> *accessUnit) = 0;
40 
getDurationSource41     virtual status_t getDuration(int64_t *durationUs) {
42         return INVALID_OPERATION;
43     }
44 
seekToSource45     virtual status_t seekTo(int64_t seekTimeUs) {
46         return INVALID_OPERATION;
47     }
48 
isSeekableSource49     virtual bool isSeekable() {
50         return false;
51     }
52 
53 protected:
~SourceSource54     virtual ~Source() {}
55 
56 private:
57     DISALLOW_EVIL_CONSTRUCTORS(Source);
58 };
59 
60 }  // namespace android
61 
62 #endif  // NUPLAYER_SOURCE_H_
63 
64