chromecast/media/base/key_systems_common.cc

   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 #include "chromecast/media/base/key_systems_common.h"
   6
   7 #include <cstddef>
   8
   9 #include "media/cdm/key_system_names.h"
  10
  11 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR.
  12
  13 namespace chromecast {
  14 namespace media {
  15
  16 #if defined(PLAYREADY_CDM_AVAILABLE)
  17 const char kChromecastPlayreadyKeySystem[] = "com.chromecast.playready";
  18 #endif  // defined(PLAYREADY_CDM_AVAILABLE)
  19
  20 CastKeySystem GetKeySystemByName(const std::string& key_system_name) {
  21 #if defined(WIDEVINE_CDM_AVAILABLE)
  22   if (key_system_name.compare(kWidevineKeySystem) == 0) {
  23     return KEY_SYSTEM_WIDEVINE;
  24   }
  25 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
  26
  27 #if defined(PLAYREADY_CDM_AVAILABLE)
  28   if (key_system_name.compare(kChromecastPlayreadyKeySystem) == 0) {
  29     return KEY_SYSTEM_PLAYREADY;
  30   }
  31 #endif  // defined(PLAYREADY_CDM_AVAILABLE)
  32
  33   if (key_system_name.compare(::media::kClearKey) == 0) {
  34     return KEY_SYSTEM_CLEAR_KEY;
  35   }
  36
  37   return GetPlatformKeySystemByName(key_system_name);
  38 }
  39
  40 }  // namespace media
  41 }  // namespace chromecast