1/*
2 * Copyright (C) 2011 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 FLAC_EXTRACTOR_H_
18#define FLAC_EXTRACTOR_H_
19
20#include <media/stagefright/DataSource.h>
21#include <media/stagefright/MediaExtractor.h>
22#include <utils/String8.h>
23
24namespace android {
25
26class FLACParser;
27
28class FLACExtractor : public MediaExtractor {
29
30public:
31    // Extractor assumes ownership of source
32    FLACExtractor(const sp<DataSource> &source);
33
34    virtual size_t countTracks();
35    virtual sp<MediaSource> getTrack(size_t index);
36    virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
37
38    virtual sp<MetaData> getMetaData();
39
40protected:
41    virtual ~FLACExtractor();
42
43private:
44    sp<DataSource> mDataSource;
45    sp<FLACParser> mParser;
46    status_t mInitCheck;
47    sp<MetaData> mFileMetadata;
48
49    // There is only one track
50    sp<MetaData> mTrackMetadata;
51
52    status_t init();
53
54    FLACExtractor(const FLACExtractor &);
55    FLACExtractor &operator=(const FLACExtractor &);
56
57};
58
59bool SniffFLAC(const sp<DataSource> &source, String8 *mimeType,
60        float *confidence, sp<AMessage> *);
61
62}  // namespace android
63
64#endif  // FLAC_EXTRACTOR_H_
65