1/*
 2 * noVNC: HTML5 VNC client
 3 * Copyright (C) 2019 The noVNC authors
 4 * Licensed under MPL 2.0 (see LICENSE.txt)
 5 *
 6 * See README.md for usage and integration instructions.
 7 */
 8
 9export const encodings = {
10    encodingRaw: 0,
11    encodingCopyRect: 1,
12    encodingRRE: 2,
13    encodingHextile: 5,
14    encodingZlib: 6,
15    encodingTight: 7,
16    encodingZRLE: 16,
17    encodingTightPNG: -260,
18    encodingJPEG: 21,
19    encodingH264: 50,
20
21    pseudoEncodingQualityLevel9: -23,
22    pseudoEncodingQualityLevel0: -32,
23    pseudoEncodingDesktopSize: -223,
24    pseudoEncodingLastRect: -224,
25    pseudoEncodingCursor: -239,
26    pseudoEncodingQEMUExtendedKeyEvent: -258,
27    pseudoEncodingQEMULedEvent: -261,
28    pseudoEncodingDesktopName: -307,
29    pseudoEncodingExtendedDesktopSize: -308,
30    pseudoEncodingXvp: -309,
31    pseudoEncodingFence: -312,
32    pseudoEncodingContinuousUpdates: -313,
33    pseudoEncodingExtendedMouseButtons: -316,
34    pseudoEncodingCompressLevel9: -247,
35    pseudoEncodingCompressLevel0: -256,
36    pseudoEncodingVMwareCursor: 0x574d5664,
37    pseudoEncodingExtendedClipboard: 0xc0a1e5ce
38};
39
40export function encodingName(num) {
41    switch (num) {
42        case encodings.encodingRaw:      return "Raw";
43        case encodings.encodingCopyRect: return "CopyRect";
44        case encodings.encodingRRE:      return "RRE";
45        case encodings.encodingHextile:  return "Hextile";
46        case encodings.encodingZlib:     return "Zlib";
47        case encodings.encodingTight:    return "Tight";
48        case encodings.encodingZRLE:     return "ZRLE";
49        case encodings.encodingTightPNG: return "TightPNG";
50        case encodings.encodingJPEG:     return "JPEG";
51        case encodings.encodingH264:     return "H.264";
52        default:                         return "[unknown encoding " + num + "]";
53    }
54}