media/cdm/ppapi/supported_cdm_versions.h

   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   static_assert(cdm::ContentDecryptionModule::kVersion ==
  24                     cdm::ContentDecryptionModule_8::kVersion,
  25                 "update the code below");
  26   switch(version) {
  27     // Supported versions in decreasing order.
  28     case cdm::ContentDecryptionModule_8::kVersion:
  29     case cdm::ContentDecryptionModule_7::kVersion:
  30       return true;
  31     default:
  32       return false;
  33   }
  34 }
  35
  36 bool IsSupportedCdmHostVersion(int version) {
  37   static_assert(cdm::ContentDecryptionModule::Host::kVersion ==
  38                     cdm::ContentDecryptionModule_8::Host::kVersion,
  39                 "update the code below");
  40   switch(version) {
  41     // Supported versions in decreasing order.
  42     case cdm::Host_8::kVersion:
  43     case cdm::Host_7::kVersion:
  44       return true;
  45     default:
  46       return false;
  47   }
  48 }
  49
  50 }  // namespace media
  51
  52 #endif  // MEDIA_CDM_PPAPI_SUPPORTED_CDM_VERSIONS_H_