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      1 // Copyright 2013 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 MEDIA_CDM_PPAPI_SUPPORTED_CDM_VERSIONS_H_
      6 #define MEDIA_CDM_PPAPI_SUPPORTED_CDM_VERSIONS_H_
      7 
      8 #include "media/cdm/ppapi/api/content_decryption_module.h"
      9 
     10 namespace media {
     11 
     12 bool IsSupportedCdmModuleVersion(int version) {
     13   switch(version) {
     14     // Latest.
     15     case CDM_MODULE_VERSION:
     16       return true;
     17     default:
     18       return false;
     19   }
     20 }
     21 
     22 bool IsSupportedCdmInterfaceVersion(int version) {
     23   COMPILE_ASSERT(cdm::ContentDecryptionModule::kVersion ==
     24                  cdm::ContentDecryptionModule_3::kVersion,
     25                  update_code_below);
     26   switch(version) {
     27     // Supported versions in decreasing order.
     28     case cdm::ContentDecryptionModule_3::kVersion:
     29     case cdm::ContentDecryptionModule_2::kVersion:
     30     case cdm::ContentDecryptionModule_1::kVersion:
     31       return true;
     32     default:
     33       return false;
     34   }
     35 }
     36 
     37 bool IsSupportedCdmHostVersion(int version) {
     38   COMPILE_ASSERT(cdm::ContentDecryptionModule::Host::kVersion ==
     39                  cdm::ContentDecryptionModule_3::Host::kVersion,
     40                  update_code_below);
     41   switch(version) {
     42     // Supported versions in decreasing order.
     43     case cdm::Host_3::kVersion:
     44     case cdm::Host_2::kVersion:
     45     case cdm::Host_1::kVersion:
     46       return true;
     47     default:
     48       return false;
     49   }
     50 }
     51 
     52 }  // namespace media
     53 
     54 #endif  // MEDIA_CDM_PPAPI_SUPPORTED_CDM_VERSIONS_H_
     55