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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright 2013, 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 VIDEO_FORMATS_H_
#define VIDEO_FORMATS_H_
#include <media/stagefright/foundation/ABase.h>
#include <stdint.h>
namespace android {
struct AString;
// This class encapsulates that video resolution capabilities of a wfd source
// or sink as outlined in the wfd specs. Currently three sets of resolutions
// are specified, each of which supports up to 32 resolutions.
// In addition to its capabilities each sink/source also publishes its
// "native" resolution, presumably one that is preferred among all others
// because it wouldn't require any scaling and directly corresponds to the
// display capabilities/pixels.
struct VideoFormats {
VideoFormats();
struct config_t {
size_t width, height, framesPerSecond;
bool interlaced;
unsigned char profile, level;
};
enum ProfileType {
PROFILE_CBP = 0,
PROFILE_CHP,
kNumProfileTypes,
};
enum LevelType {
LEVEL_31 = 0,
LEVEL_32,
LEVEL_40,
LEVEL_41,
LEVEL_42,
kNumLevelTypes,
};
enum ResolutionType {
RESOLUTION_CEA,
RESOLUTION_VESA,
RESOLUTION_HH,
kNumResolutionTypes,
};
void setNativeResolution(ResolutionType type, size_t index);
void getNativeResolution(ResolutionType *type, size_t *index) const;
void disableAll();
void enableAll();
void enableResolutionUpto(
ResolutionType type, size_t index,
ProfileType profile, LevelType level);
void setResolutionEnabled(
ResolutionType type, size_t index, bool enabled = true);
bool isResolutionEnabled(ResolutionType type, size_t index) const;
void setProfileLevel(
ResolutionType type, size_t index,
ProfileType profile, LevelType level);
void getProfileLevel(
ResolutionType type, size_t index,
ProfileType *profile, LevelType *level) const;
static bool GetConfiguration(
ResolutionType type, size_t index,
size_t *width, size_t *height, size_t *framesPerSecond,
bool *interlaced);
static bool GetProfileLevel(
ProfileType profile, LevelType level,
unsigned *profileIdc, unsigned *levelIdc,
unsigned *constraintSet);
bool parseFormatSpec(const char *spec);
AString getFormatSpec(bool forM4Message = false) const;
static bool PickBestFormat(
const VideoFormats &sinkSupported,
const VideoFormats &sourceSupported,
ResolutionType *chosenType,
size_t *chosenIndex,
ProfileType *chosenProfile,
LevelType *chosenLevel);
private:
bool parseH264Codec(const char *spec);
ResolutionType mNativeType;
size_t mNativeIndex;
uint32_t mResolutionEnabled[kNumResolutionTypes];
static const config_t mResolutionTable[kNumResolutionTypes][32];
config_t mConfigs[kNumResolutionTypes][32];
DISALLOW_EVIL_CONSTRUCTORS(VideoFormats);
};
} // namespace android
#endif // VIDEO_FORMATS_H_
|
