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 <utils/Errors.h>
22#include <media/stagefright/MediaExtractor.h>
23
24namespace android {
25
26struct AMessage;
27class DataSource;
28class String8;
29
30struct MyOggExtractor;
31struct OggSource;
32
33struct OggExtractor : public MediaExtractor {
34    explicit OggExtractor(const sp<DataSource> &source);
35
36    virtual size_t countTracks();
37    virtual sp<IMediaSource> getTrack(size_t index);
38    virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
39
40    virtual sp<MetaData> getMetaData();
41    virtual const char * name() { return "OggExtractor"; }
42
43protected:
44    virtual ~OggExtractor();
45
46private:
47    friend struct OggSource;
48
49    sp<DataSource> mDataSource;
50    status_t mInitCheck;
51
52    MyOggExtractor *mImpl;
53
54    OggExtractor(const OggExtractor &);
55    OggExtractor &operator=(const OggExtractor &);
56};
57
58bool SniffOgg(
59        const sp<DataSource> &source, String8 *mimeType, float *confidence,
60        sp<AMessage> *);
61
62void parseVorbisComment(
63        const sp<MetaData> &fileMeta, const char *comment, size_t commentLength);
64
65}  // namespace android
66
67#endif  // OGG_EXTRACTOR_H_
68