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 AAC_EXTRACTOR_H_
18
19#define AAC_EXTRACTOR_H_
20
21#include <media/stagefright/MediaExtractor.h>
22
23#include <utils/Vector.h>
24
25namespace android {
26
27struct AMessage;
28class String8;
29
30class AACExtractor : public MediaExtractor {
31public:
32    AACExtractor(const sp<DataSource> &source, const sp<AMessage> &meta);
33
34    virtual size_t countTracks();
35    virtual sp<IMediaSource> getTrack(size_t index);
36    virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
37
38    virtual sp<MetaData> getMetaData();
39    virtual const char * name() { return "AACExtractor"; }
40
41protected:
42    virtual ~AACExtractor();
43
44private:
45    sp<DataSource> mDataSource;
46    sp<MetaData> mMeta;
47    status_t mInitCheck;
48
49    Vector<uint64_t> mOffsetVector;
50    int64_t mFrameDurationUs;
51
52    AACExtractor(const AACExtractor &);
53    AACExtractor &operator=(const AACExtractor &);
54};
55
56bool SniffAAC(
57        const sp<DataSource> &source, String8 *mimeType, float *confidence,
58        sp<AMessage> *);
59
60}  // namespace android
61
62#endif  // AAC_EXTRACTOR_H_
63