ESQueue.h revision 6a63a939601645404fd98f58c19cc38ca818d99e 
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 ES_QUEUE_H_
18
19#define ES_QUEUE_H_
20
21#include <media/stagefright/foundation/ABase.h>
22#include <utils/List.h>
23#include <utils/RefBase.h>
24
25namespace android {
26
27struct ABuffer;
28struct MetaData;
29
30struct ElementaryStreamQueue {
31    enum Mode {
32        H264,
33        AAC
34    };
35    ElementaryStreamQueue(Mode mode);
36
37    status_t appendData(const void *data, size_t size, int64_t timeUs);
38
39    sp<ABuffer> dequeueAccessUnit();
40
41    sp<MetaData> getFormat();
42
43private:
44    Mode mMode;
45
46    sp<ABuffer> mBuffer;
47    List<int64_t> mTimestamps;
48
49    sp<MetaData> mFormat;
50
51    sp<ABuffer> dequeueAccessUnitH264();
52    sp<ABuffer> dequeueAccessUnitAAC();
53
54    static sp<MetaData> MakeAACCodecSpecificData(
55            unsigned profile, unsigned sampling_freq_index,
56            unsigned channel_configuration);
57
58    static sp<MetaData> MakeAVCCodecSpecificData(
59            const sp<ABuffer> &accessUnit);
60
61    DISALLOW_EVIL_CONSTRUCTORS(ElementaryStreamQueue);
62};
63
64}  // namespace android
65
66#endif  // ES_QUEUE_H_
67