MediaExtractor.h revision 20111aa043c5f404472bc63b90bc5aad906b1101 
1/*
2 * Copyright (C) 2009 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_EXTRACTOR_H_
18
19#define MEDIA_EXTRACTOR_H_
20
21#include <utils/RefBase.h>
22
23namespace android {
24
25class DataSource;
26class MediaSource;
27class MetaData;
28
29class MediaExtractor {
30public:
31    static MediaExtractor *Create(DataSource *source, const char *mime = NULL);
32
33    virtual ~MediaExtractor() {}
34
35    virtual status_t countTracks(int *num_tracks) = 0;
36    virtual status_t getTrack(int index, MediaSource **source) = 0;
37    virtual sp<MetaData> getTrackMetaData(int index) = 0;
38
39protected:
40    MediaExtractor() {}
41
42private:
43    MediaExtractor(const MediaExtractor &);
44    MediaExtractor &operator=(const MediaExtractor &);
45};
46
47}  // namespace android
48
49#endif  // MEDIA_EXTRACTOR_H_
50