DRMExtractor.h revision a9741a9232c81eaf59179acef91f5be46c42264e 
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 DRM_EXTRACTOR_H_
18
19#define DRM_EXTRACTOR_H_
20
21#include <media/stagefright/MediaExtractor.h>
22#include <drm/DrmManagerClient.h>
23
24namespace android {
25
26struct AMessage;
27class DataSource;
28class SampleTable;
29class String8;
30class DecryptHandle;
31
32class DRMExtractor : public MediaExtractor {
33public:
34    DRMExtractor(const sp<DataSource> &source, const char *mime);
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    virtual sp<MetaData> getMetaData();
40
41protected:
42    virtual ~DRMExtractor();
43
44private:
45    sp<DataSource> mDataSource;
46
47    sp<MediaExtractor> mOriginalExtractor;
48    DecryptHandle* mDecryptHandle;
49
50    DRMExtractor(const DRMExtractor &);
51    DRMExtractor &operator=(const DRMExtractor &);
52};
53
54bool SniffDRM(
55        const sp<DataSource> &source, String8 *mimeType, float *confidence,
56            sp<AMessage> *);
57
58}  // namespace android
59
60#endif  // DRM_EXTRACTOR_H_
61
62