OggExtractor.h revision 5a1c3529e4fa2f8a11054181294e0ce79fff8dd3 
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 OGG_EXTRACTOR_H_
18
19#define OGG_EXTRACTOR_H_
20
21#include <media/stagefright/MediaExtractor.h>
22
23namespace android {
24
25struct AMessage;
26class DataSource;
27class String8;
28
29struct MyVorbisExtractor;
30struct OggSource;
31
32struct OggExtractor : public MediaExtractor {
33    OggExtractor(const sp<DataSource> &source);
34
35    virtual size_t countTracks();
36    virtual sp<MediaSource> getTrack(size_t index);
37    virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
38
39    virtual sp<MetaData> getMetaData();
40
41protected:
42    virtual ~OggExtractor();
43
44private:
45    friend struct OggSource;
46
47    sp<DataSource> mDataSource;
48    status_t mInitCheck;
49
50    MyVorbisExtractor *mImpl;
51
52    OggExtractor(const OggExtractor &);
53    OggExtractor &operator=(const OggExtractor &);
54};
55
56bool SniffOgg(
57        const sp<DataSource> &source, String8 *mimeType, float *confidence,
58        sp<AMessage> *);
59
60}  // namespace android
61
62#endif  // OGG_EXTRACTOR_H_
63