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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // This file contains global constant variables used by the application. | |
6 | |
7 // Heart beat message header. | |
8 var HEART_BEAT_HEADER = 'HEARTBEAT'; | |
9 | |
10 // Default key used to encrypt many media files used in browser tests. | |
11 var KEY = new Uint8Array([0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b, | |
12 0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c]); | |
13 | |
14 var DEFAULT_LICENSE_SERVER = document.location.origin + '/license_server'; | |
15 | |
16 var DEFAULT_MEDIA_FILE = 'http://shadi.kir/alcatraz/Chrome_44-enc_av.webm'; | |
17 | |
18 // Key ID used for init data. | |
19 var KEY_ID = '0123456789012345'; | |
20 | |
21 // Unique strings to identify test result expectations. | |
22 var KEY_ERROR = 'KEY_ERROR'; | |
23 var FILE_IO_TEST_RESULT_HEADER = 'FILEIOTESTRESULT'; | |
24 var FILE_IO_TEST_SUCCESS = 'FILE_IO_TEST_SUCCESS'; | |
25 var PREFIXED_API_LOAD_SESSION_HEADER = 'LOAD_SESSION|'; | |
26 var NOTSUPPORTEDERROR = 'NOTSUPPORTEDERROR'; | |
27 | |
28 // Available EME key systems to use. | |
29 var PREFIXED_CLEARKEY = 'webkit-org.w3.clearkey'; | |
30 var CLEARKEY = 'org.w3.clearkey'; | |
31 var EXTERNAL_CLEARKEY = 'org.chromium.externalclearkey'; | |
32 var WIDEVINE_KEYSYSTEM = 'com.widevine.alpha'; | |
33 var FILE_IO_TEST_KEYSYSTEM = 'org.chromium.externalclearkey.fileiotest'; | |
34 var EME_PREFIXED_VERSION = 'Prefixed EME (v 0.1b)'; | |
35 var EME_UNPREFIXED_VERSION = 'Unprefixed EME (Working draft)'; | |
36 | |
37 // Key system name:value map to show on the document page. | |
38 var KEY_SYSTEMS = { | |
39 'Widevine': WIDEVINE_KEYSYSTEM, | |
40 'Clearkey': CLEARKEY, | |
41 'External Clearkey': EXTERNAL_CLEARKEY | |
42 }; | |
43 | |
44 // General WebM and MP4 name:content_type map to show on the document page. | |
45 var MEDIA_TYPES = { | |
46 'WebM - Audio Video': 'video/webm; codecs="vorbis, vp8"', | |
47 'WebM - Video Only': 'video/webm; codecs="vp8"', | |
48 'WebM - Audio Only': 'video/webm; codecs="vorbis"', | |
49 'MP4 - Video Only': 'video/mp4; codecs="avc1.4D4041"', | |
50 'MP4 - Audio Only': 'audio/mp4; codecs="mp4a.40.2"' | |
51 }; | |
52 | |
53 // Update the EME versions list by checking runtime support by the browser. | |
54 var EME_VERSIONS_OPTIONS = {}; | |
55 EME_VERSIONS_OPTIONS[EME_UNPREFIXED_VERSION] = EME_UNPREFIXED_VERSION; | |
56 EME_VERSIONS_OPTIONS[EME_PREFIXED_VERSION] = EME_PREFIXED_VERSION; | |
57 | |
58 var EME_DISABLED_OPTIONS = []; | |
59 var PROMISES_SUPPORTED = false; | |
60 if (!document.createElement('video').webkitAddKey) | |
61 EME_DISABLED_OPTIONS.push(EME_PREFIXED_VERSION); | |
62 if (!document.createElement('video').setMediaKeys) | |
63 EME_DISABLED_OPTIONS.push(EME_UNPREFIXED_VERSION); | |
64 else | |
65 PROMISES_SUPPORTED = MediaKeys.create != undefined; | |
66 | |
67 // Global document elements ID's. | |
68 var VIDEO_ELEMENT_ID = 'video'; | |
69 var MEDIA_FILE_ELEMENT_ID = 'mediaFile'; | |
70 var LICENSE_SERVER_ELEMENT_ID = 'licenseServer'; | |
71 var KEYSYSTEM_ELEMENT_ID = 'keySystemList'; | |
72 var MEDIA_TYPE_ELEMENT_ID = 'mediaTypeList'; | |
73 var USE_MSE_ELEMENT_ID = 'useMSE'; | |
74 var USE_PREFIXED_EME_ID = 'usePrefixedEME'; | |
75 | |
76 // These variables get updated every second, so better to have global pointers. | |
77 var decodedFPSElement = document.getElementById('decodedFPS'); | |
78 var droppedFPSElement = document.getElementById('droppedFPS'); | |
79 var droppedFramesElement = document.getElementById('droppedFrames'); | |
80 var docLogs = document.getElementById('logs'); | |
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