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
|
// GENERATED CONTENT - DO NOT EDIT
// Content was automatically extracted by Reffy into reffy-reports
// (https://github.com/tidoust/reffy-reports)
// Source: Media Capabilities (https://w3c.github.io/media-capabilities/)
dictionary MediaConfiguration {
VideoConfiguration video;
AudioConfiguration audio;
};
dictionary MediaDecodingConfiguration : MediaConfiguration {
required MediaDecodingType type;
MediaCapabilitiesKeySystemConfiguration keySystemConfiguration;
};
dictionary MediaEncodingConfiguration : MediaConfiguration {
required MediaEncodingType type;
};
enum MediaDecodingType {
"file",
"media-source",
};
enum MediaEncodingType {
"record",
"transmission"
};
dictionary VideoConfiguration {
required DOMString contentType;
required unsigned long width;
required unsigned long height;
required unsigned long long bitrate;
required double framerate;
boolean hasAlphaChannel;
HdrMetadataType hdrMetadataType;
ColorGamut colorGamut;
TransferFunction transferFunction;
};
enum HdrMetadataType {
"smpteSt2086",
"smpteSt2094-10",
"smpteSt2094-40"
};
enum ColorGamut {
"srgb",
"p3",
"rec2020"
};
enum TransferFunction {
"srgb",
"pq",
"hlg"
};
dictionary AudioConfiguration {
required DOMString contentType;
DOMString channels;
unsigned long long bitrate;
unsigned long samplerate;
boolean spatialRendering;
};
dictionary MediaCapabilitiesKeySystemConfiguration {
required DOMString keySystem;
DOMString initDataType = "";
MediaKeysRequirement distinctiveIdentifier = "optional";
MediaKeysRequirement persistentState = "optional";
sequence<DOMString> sessionTypes;
KeySystemTrackConfiguration audio;
KeySystemTrackConfiguration video;
};
dictionary KeySystemTrackConfiguration {
DOMString robustness = "";
DOMString? encryptionScheme = null;
};
dictionary MediaCapabilitiesInfo {
required boolean supported;
required boolean smooth;
required boolean powerEfficient;
};
dictionary MediaCapabilitiesDecodingInfo : MediaCapabilitiesInfo {
required MediaKeySystemAccess keySystemAccess;
MediaDecodingConfiguration configuration;
};
dictionary MediaCapabilitiesEncodingInfo : MediaCapabilitiesInfo {
MediaEncodingConfiguration configuration;
};
[Exposed=Window]
partial interface Navigator {
[SameObject] readonly attribute MediaCapabilities mediaCapabilities;
};
[Exposed=Worker]
partial interface WorkerNavigator {
[SameObject] readonly attribute MediaCapabilities mediaCapabilities;
};
[Exposed=(Window, Worker)]
interface MediaCapabilities {
[NewObject] Promise<MediaCapabilitiesDecodingInfo> decodingInfo(MediaDecodingConfiguration configuration);
[NewObject] Promise<MediaCapabilitiesInfo> encodingInfo(MediaEncodingConfiguration configuration);
};
|
