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/DataSourceBase.h>
21#include <media/MediaExtractor.h>
22#include <media/stagefright/MetaDataBase.h>
23#include <utils/String8.h>
24
25namespace android {
26
27class FLACParser;
28
29class FLACExtractor : public MediaExtractor {
30
31public:
32    explicit FLACExtractor(DataSourceBase *source);
33
34    virtual size_t countTracks();
35    virtual MediaTrack *getTrack(size_t index);
36    virtual status_t getTrackMetaData(MetaDataBase& meta, size_t index, uint32_t flags);
37
38    virtual status_t getMetaData(MetaDataBase& meta);
39    virtual const char * name() { return "FLACExtractor"; }
40
41protected:
42    virtual ~FLACExtractor();
43
44private:
45    DataSourceBase *mDataSource;
46    FLACParser *mParser;
47    status_t mInitCheck;
48    MetaDataBase mFileMetadata;
49
50    // There is only one track
51    MetaDataBase mTrackMetadata;
52
53    FLACExtractor(const FLACExtractor &);
54    FLACExtractor &operator=(const FLACExtractor &);
55
56};
57
58bool SniffFLAC(DataSourceBase *source, float *confidence);
59
60}  // namespace android
61
62#endif  // FLAC_EXTRACTOR_H_
63