content/renderer/media/crypto/key_systems_info.cc

   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 #include "content/renderer/media/crypto/key_systems_info.h"
   6
   7 #include "third_party/WebKit/public/platform/WebString.h"
   8
   9 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR.
  10
  11 // The following must be after widevine_cdm_version.h.
  12
  13 #if defined(DISABLE_WIDEVINE_CDM_CANPLAYTYPE)
  14 #include "base/command_line.h"
  15 #include "media/base/media_switches.h"
  16 #endif
  17
  18 namespace content {
  19
  20 static const char kClearKeyKeySystem[] = "webkit-org.w3.clearkey";
  21
  22 bool IsCanPlayTypeSuppressed(const std::string& key_system) {
  23 #if defined(DISABLE_WIDEVINE_CDM_CANPLAYTYPE)
  24   // See http://crbug.com/237627.
  25   if (key_system == kWidevineKeySystem &&
  26       !CommandLine::ForCurrentProcess()->HasSwitch(
  27           switches::kOverrideEncryptedMediaCanPlayType))
  28     return true;
  29 #endif
  30   return false;
  31 }
  32
  33 std::string KeySystemNameForUMAInternal(const WebKit::WebString& key_system) {
  34   if (key_system == kClearKeyKeySystem)
  35     return "ClearKey";
  36 #if defined(WIDEVINE_CDM_AVAILABLE)
  37   if (key_system == kWidevineKeySystem)
  38     return "Widevine";
  39 #endif  // WIDEVINE_CDM_AVAILABLE
  40   return "Unknown";
  41 }
  42
  43 } // namespace content