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/MediaExtractorPluginApi.h>
23 #include <media/MediaExtractorPluginHelper.h>
24 #include <media/NdkMediaFormat.h>
25 
26 namespace android {
27 
28 struct AMessage;
29 class String8;
30 
31 struct MyOggExtractor;
32 struct OggSource;
33 
34 struct OggExtractor : public MediaExtractorPluginHelper {
35     explicit OggExtractor(DataSourceHelper *source);
36 
37     virtual size_t countTracks();
38     virtual MediaTrackHelper *getTrack(size_t index);
39     virtual media_status_t getTrackMetaData(AMediaFormat *meta, size_t index, uint32_t flags);
40 
41     virtual media_status_t getMetaData(AMediaFormat *meta);
nameOggExtractor42     virtual const char * name() { return "OggExtractor"; }
43 
44 protected:
45     virtual ~OggExtractor();
46 
47 private:
48     friend struct OggSource;
49 
50     DataSourceHelper *mDataSource;
51     status_t mInitCheck;
52 
53     MyOggExtractor *mImpl;
54 
55     OggExtractor(const OggExtractor &);
56     OggExtractor &operator=(const OggExtractor &);
57 };
58 
59 }  // namespace android
60 
61 #endif  // OGG_EXTRACTOR_H_
62