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 STAGEFRIGHT_METADATA_RETRIEVER_H_
18
19#define STAGEFRIGHT_METADATA_RETRIEVER_H_
20
21#include <media/IMediaExtractor.h>
22#include <media/MediaMetadataRetrieverInterface.h>
23
24#include <utils/KeyedVector.h>
25
26namespace android {
27
28class DataSource;
29class MediaExtractor;
30
31struct StagefrightMetadataRetriever : public MediaMetadataRetrieverInterface {
32    StagefrightMetadataRetriever();
33    virtual ~StagefrightMetadataRetriever();
34
35    virtual status_t setDataSource(
36            const sp<IMediaHTTPService> &httpService,
37            const char *url,
38            const KeyedVector<String8, String8> *headers);
39
40    virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
41    virtual status_t setDataSource(const sp<DataSource>& source);
42
43    virtual VideoFrame *getFrameAtTime(int64_t timeUs, int option);
44    virtual MediaAlbumArt *extractAlbumArt();
45    virtual const char *extractMetadata(int keyCode);
46
47private:
48    sp<DataSource> mSource;
49    sp<IMediaExtractor> mExtractor;
50
51    bool mParsedMetaData;
52    KeyedVector<int, String8> mMetaData;
53    MediaAlbumArt *mAlbumArt;
54
55    void parseMetaData();
56    // Delete album art and clear metadata.
57    void clearMetadata();
58
59    StagefrightMetadataRetriever(const StagefrightMetadataRetriever &);
60
61    StagefrightMetadataRetriever &operator=(
62            const StagefrightMetadataRetriever &);
63};
64
65}  // namespace android
66
67#endif  // STAGEFRIGHT_METADATA_RETRIEVER_H_
68