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      1 // Copyright (c) 2012 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 WIDEVINE_CDM_WIDEVINE_CDM_COMMON_H_
      6 #define WIDEVINE_CDM_WIDEVINE_CDM_COMMON_H_
      7 
      8 #include "base/files/file_path.h"
      9 
     10 // This file defines constants common to all Widevine CDM versions.
     11 
     12 // Widevine CDM version contains 4 components, e.g. 1.4.0.195.
     13 const int kWidevineCdmVersionNumComponents = 4;
     14 
     15 // "alpha" is a temporary name until a convention is defined.
     16 const char kWidevineKeySystem[] = "com.widevine.alpha";
     17 
     18 const char kWidevineCdmDisplayName[] = "Widevine Content Decryption Module";
     19 // Will be parsed as HTML.
     20 const char kWidevineCdmDescription[] =
     21     "Enables Widevine licenses for playback of HTML audio/video content.";
     22 
     23 #if defined(ENABLE_PEPPER_CDMS)
     24 const char kWidevineCdmPluginMimeType[] = "application/x-ppapi-widevine-cdm";
     25 const char kWidevineCdmPluginMimeTypeDescription[] =
     26     "Widevine Content Decryption Module";
     27 
     28 // File name of the CDM on different platforms.
     29 const char kWidevineCdmFileName[] =
     30 #if defined(OS_MACOSX)
     31     "libwidevinecdm.dylib";
     32 #elif defined(OS_WIN)
     33     "widevinecdm.dll";
     34 #else  // OS_LINUX, etc.
     35     "libwidevinecdm.so";
     36 #endif
     37 
     38 // File name of the adapter on different platforms.
     39 const char kWidevineCdmAdapterFileName[] =
     40 #if defined(OS_MACOSX)
     41     "widevinecdmadapter.plugin";
     42 #elif defined(OS_WIN)
     43     "widevinecdmadapter.dll";
     44 #else  // OS_LINUX, etc.
     45     "libwidevinecdmadapter.so";
     46 #endif
     47 
     48 // The following strings are used to communicate supported codecs (from the
     49 // component manifest) via WebPluginInfo::WebPluginMimeType's additional params.
     50 const char kCdmSupportedCodecsParamName[] = "codecs";
     51 const char kCdmSupportedCodecsValueDelimiter = ',';
     52 const char kCdmSupportedCodecVorbis[] = "vorbis";
     53 const char kCdmSupportedCodecVp8[] = "vp8";
     54 const char kCdmSupportedCodecVp9[] = "vp9.0";
     55 #if defined(USE_PROPRIETARY_CODECS)
     56 const char kCdmSupportedCodecAac[] = "aac";
     57 const char kCdmSupportedCodecAvc1[] = "avc1";
     58 #endif  // defined(USE_PROPRIETARY_CODECS)
     59 
     60 #if defined(OS_MACOSX) || defined(OS_WIN)
     61 // CDM is installed by the component installer instead of the Chrome installer.
     62 #define WIDEVINE_CDM_IS_COMPONENT
     63 #endif  // defined(OS_MACOSX) || defined(OS_WIN)
     64 #endif  // defined(ENABLE_PEPPER_CDMS)
     65 
     66 #endif  // WIDEVINE_CDM_WIDEVINE_CDM_COMMON_H_
     67