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 MyVorbisExtractor;
31struct OggSource;
32
33struct OggExtractor : public MediaExtractor {
34    OggExtractor(const sp<DataSource> &source);
35
36    virtual size_t countTracks();
37    virtual sp<MediaSource> getTrack(size_t index);
38    virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
39
40    virtual sp<MetaData> getMetaData();
41
42protected:
43    virtual ~OggExtractor();
44
45private:
46    friend struct OggSource;
47
48    sp<DataSource> mDataSource;
49    status_t mInitCheck;
50
51    MyVorbisExtractor *mImpl;
52
53    OggExtractor(const OggExtractor &);
54    OggExtractor &operator=(const OggExtractor &);
55};
56
57bool SniffOgg(
58        const sp<DataSource> &source, String8 *mimeType, float *confidence,
59        sp<AMessage> *);
60
61void parseVorbisComment(
62        const sp<MetaData> &fileMeta, const char *comment, size_t commentLength);
63
64}  // namespace android
65
66#endif  // OGG_EXTRACTOR_H_
67