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
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
package mc_fuzzer;
message MediaConfigProto {
message VideoConfigProto {
// String describing mime-type and codecs (e.g. 'video/webm; codecs="vp8"').
optional string content_type = 1;
// Width of the video in pixels.
optional uint32 width = 2;
// Height of the video in pixels.
optional uint32 height = 3;
// Bitrate for 1 second of video in bits-per-second.
optional uint32 bitrate = 4;
// String representing the videos frames-per-second (e.g. "60").
optional double framerate = 5;
// Boolean representing if the spatial scalabilty is required.
optional bool spatial_scalability = 6;
// String representing the scalability mode (e.g. "L3T3_KEY").
optional string scalability_mode = 7;
}
optional VideoConfigProto video = 1;
message AudioConfigProto {
// String describing mime-type and codecs (e.g. 'audio/webm;
// codecs="vorbis"').
optional string content_type = 1;
// String representing number of audio channels (e.g. '5.1').
optional string channels = 2;
// Bitrate for 1 second of audio in bits-per-second.
optional uint32 bitrate = 3;
// Number of audio samples-per-second.
optional uint32 samplerate = 4;
}
optional AudioConfigProto audio = 2;
// What type of decoding is it?
enum MediaType {
DECODING_FILE = 0;
DECODING_MEDIA_SOURCE = 1;
DECODING_WEBRTC = 2;
ENCODING_WEBRTC = 3;
}
optional MediaType type = 3;
// For detailed descriptions see
// https://wicg.github.io/media-capabilities/#dictdef-mediacapabilitieskeysystemconfiguration
message KeySystemConfig {
// Levels of requirement for various MediaKeys features.
enum MediaKeysRequirement {
REQUIRED = 0;
// NOTE, NOT_REQUIRED maps to "OPTIONAL" in the spec, but OPTIONAL causes
// conflict with macros in Windows.h
NOT_REQUIRED = 1;
NOT_ALLOWED = 2;
}
// Types of media keys sessions.
enum MediaKeySessionType {
TEMPORARY = 0;
PERSISTENT_LICENSE = 1;
}
// Name of the key system to use in decoding.
optional string key_system = 1;
// Indicates the format of accompanying Initialization Data.
optional string init_data_type = 2;
// The robustness level associated with the audio content type.
// DEPRECATED: use audio.robustness.
optional string audio_robustness = 3 [deprecated = true];
// The robustness level associated with the video content type.
// DEPRECATED: use video.robustness.
optional string video_robustness = 4 [deprecated = true];
// Whether use of a Distinctive Identifier(s) is required.
optional MediaKeysRequirement distinctive_identifier = 5
[default = NOT_REQUIRED];
// Whether the ability to persist state is required.
optional MediaKeysRequirement persistent_state = 6 [default = NOT_REQUIRED];
// A list of MediaKeySessionTypes that must be supported.
repeated MediaKeySessionType session_types = 7;
message KeySystemTrackConfig {
// The robustness level associated with a given track.
optional string robustness = 1;
}
// Track-specific key system details.
optional KeySystemTrackConfig key_system_audio_config = 8;
optional KeySystemTrackConfig key_system_video_config = 9;
}
optional KeySystemConfig key_system_config = 4;
}
|
