1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ES_QUEUE_H_
#define ES_QUEUE_H_
#include <media/stagefright/foundation/ABase.h>
#include <utils/Errors.h>
#include <utils/List.h>
#include <utils/RefBase.h>
namespace android {
struct ABuffer;
class MetaData;
struct ElementaryStreamQueue {
enum Mode {
H264,
AAC,
AC3,
MPEG_AUDIO,
MPEG_VIDEO,
MPEG4_VIDEO,
PCM_AUDIO,
};
enum Flags {
// Data appended to the queue is always at access unit boundaries.
kFlag_AlignedData = 1,
};
ElementaryStreamQueue(Mode mode, uint32_t flags = 0);
status_t appendData(const void *data, size_t size, int64_t timeUs);
void signalEOS();
void clear(bool clearFormat);
sp<ABuffer> dequeueAccessUnit();
sp<MetaData> getFormat();
private:
struct RangeInfo {
int64_t mTimestampUs;
size_t mLength;
};
Mode mMode;
uint32_t mFlags;
bool mEOSReached;
sp<ABuffer> mBuffer;
List<RangeInfo> mRangeInfos;
sp<MetaData> mFormat;
sp<ABuffer> dequeueAccessUnitH264();
sp<ABuffer> dequeueAccessUnitAAC();
sp<ABuffer> dequeueAccessUnitAC3();
sp<ABuffer> dequeueAccessUnitMPEGAudio();
sp<ABuffer> dequeueAccessUnitMPEGVideo();
sp<ABuffer> dequeueAccessUnitMPEG4Video();
sp<ABuffer> dequeueAccessUnitPCMAudio();
// consume a logical (compressed) access unit of size "size",
// returns its timestamp in us (or -1 if no time information).
int64_t fetchTimestamp(size_t size);
DISALLOW_EVIL_CONSTRUCTORS(ElementaryStreamQueue);
};
} // namespace android
#endif // ES_QUEUE_H_
|