StagefrightMetadataRetriever.h revision af8791e112c8072452bd14ef3c43a47511d19542 
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/MediaMetadataRetrieverInterface.h>
22
23#include <media/stagefright/OMXClient.h>
24#include <utils/KeyedVector.h>
25
26namespace android {
27
28struct DataSource;
29class MediaExtractor;
30
31struct StagefrightMetadataRetriever : public MediaMetadataRetrieverInterface {
32    StagefrightMetadataRetriever();
33    virtual ~StagefrightMetadataRetriever();
34
35    virtual status_t setDataSource(
36            const char *url,
37            const KeyedVector<String8, String8> *headers);
38
39    virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
40
41    virtual VideoFrame *getFrameAtTime(int64_t timeUs, int option);
42    virtual MediaAlbumArt *extractAlbumArt();
43    virtual const char *extractMetadata(int keyCode);
44
45private:
46    OMXClient mClient;
47    sp<DataSource> mSource;
48    sp<MediaExtractor> mExtractor;
49
50    bool mParsedMetaData;
51    KeyedVector<int, String8> mMetaData;
52    MediaAlbumArt *mAlbumArt;
53
54    void parseMetaData();
55
56    StagefrightMetadataRetriever(const StagefrightMetadataRetriever &);
57
58    StagefrightMetadataRetriever &operator=(
59            const StagefrightMetadataRetriever &);
60};
61
62}  // namespace android
63
64#endif  // STAGEFRIGHT_METADATA_RETRIEVER_H_
65