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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 #ifndef CONTENT_PUBLIC_COMMON_EME_CONSTANTS_H_ | |
6 #define CONTENT_PUBLIC_COMMON_EME_CONSTANTS_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 namespace content { | |
11 | |
12 // Defines bitmask values that specify registered initialization data types used | |
13 // in Encrypted Media Extensions (EME). | |
14 // The mask values are stored in a SupportedInitDataTypes. | |
15 enum EmeInitDataType { | |
16 EME_INIT_DATA_TYPE_NONE = 0, | |
17 EME_INIT_DATA_TYPE_WEBM = 1 << 0, | |
18 #if defined(USE_PROPRIETARY_CODECS) | |
19 EME_INIT_DATA_TYPE_CENC = 1 << 1, | |
20 #endif // defined(USE_PROPRIETARY_CODECS) | |
21 }; | |
22 | |
23 // Defines bitmask values that specify codecs used in Encrypted Media Extension | |
24 // (EME). Each value represents a codec within a specific container. | |
25 // The mask values are stored in a SupportedCodecs. | |
26 enum EmeCodec { | |
27 // *_ALL values should only be used for masking, do not use them to specify | |
28 // codec support because they may be extended to include more codecs. | |
29 EME_CODEC_NONE = 0, | |
30 EME_CODEC_WEBM_VORBIS = 1 << 0, | |
31 EME_CODEC_WEBM_AUDIO_ALL = EME_CODEC_WEBM_VORBIS, | |
32 EME_CODEC_WEBM_VP8 = 1 << 1, | |
33 EME_CODEC_WEBM_VP9 = 1 << 2, | |
34 EME_CODEC_WEBM_VIDEO_ALL = (EME_CODEC_WEBM_VP8 | EME_CODEC_WEBM_VP9), | |
35 EME_CODEC_WEBM_ALL = (EME_CODEC_WEBM_AUDIO_ALL | EME_CODEC_WEBM_VIDEO_ALL), | |
36 #if defined(USE_PROPRIETARY_CODECS) | |
37 EME_CODEC_MP4_AAC = 1 << 3, | |
38 EME_CODEC_MP4_AUDIO_ALL = EME_CODEC_MP4_AAC, | |
39 EME_CODEC_MP4_AVC1 = 1 << 4, | |
40 EME_CODEC_MP4_VIDEO_ALL = EME_CODEC_MP4_AVC1, | |
41 EME_CODEC_MP4_ALL = (EME_CODEC_MP4_AUDIO_ALL | EME_CODEC_MP4_VIDEO_ALL), | |
42 EME_CODEC_ALL = (EME_CODEC_WEBM_ALL | EME_CODEC_MP4_ALL), | |
43 #else | |
44 EME_CODEC_ALL = EME_CODEC_WEBM_ALL, | |
45 #endif // defined(USE_PROPRIETARY_CODECS) | |
46 }; | |
47 | |
48 typedef uint32_t SupportedInitDataTypes; | |
49 typedef uint32_t SupportedCodecs; | |
50 | |
51 } // namespace content | |
52 | |
53 #endif // CONTENT_PUBLIC_COMMON_EME_CONSTANTS_H_ | |
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