Index: chromecast/media/base/key_systems_common.cc |
diff --git a/chromecast/media/base/key_systems_common.cc b/chromecast/media/base/key_systems_common.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..da191865d0e33a71767546bf2a8cb53652323f50 |
--- /dev/null |
+++ b/chromecast/media/base/key_systems_common.cc |
@@ -0,0 +1,50 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "chromecast/media/base/key_systems_common.h" |
+ |
+#include <cstddef> |
+ |
+#include "media/cdm/key_system_names.h" |
+ |
+#include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. |
+ |
+namespace chromecast { |
+ |
+// TODO(gunsch): remove this support when moving to EMEv2. |
ddorwin
2014/09/15 22:50:53
The correct term is "unprefixed EME". It's not rea
gunsch
2014/09/16 16:58:00
Done.
|
+// See also: crbug/393397 |
ddorwin
2014/09/15 22:50:53
I don't think this bug addresses the clear key nam
gunsch
2014/09/16 16:58:00
Done.
|
+const char kUnsupportedClearKeySystem[] = "unsupported-org.w3.clearkey"; |
+ |
+const char* kPlayreadyKeySystems[] = { |
+ // TODO(gunsch): Replace with a more appropriate name when moving to EMEv2. |
+ // See also: crbug/393397. |
+ "com.microsoft.playready", |
+ "com.youtube.playready", |
+ NULL, |
+}; |
+ |
+CastKeySystem GetKeySystemByName(const std::string& key_system_name) { |
+#if defined(WIDEVINE_CDM_AVAILABLE) |
+ if (key_system_name.compare(kWidevineKeySystem) == 0) { |
+ return KEY_SYSTEM_WIDEVINE; |
+ } |
+#endif // defined(WIDEVINE_CDM_AVAILABLE) |
+ |
+#if defined(PLAYREADY_CDM_AVAILABLE) |
+ for (size_t i = 0; kPlayreadyKeySystems[i] != NULL; i++) { |
+ if (key_system_name.compare(kPlayreadyKeySystems[i]) == 0) { |
+ return KEY_SYSTEM_PLAYREADY; |
+ } |
+ } |
+#endif // defined(PLAYREADY_CDM_AVAILABLE) |
+ |
+ if (key_system_name.compare(::media::kClearKey) == 0 || |
+ key_system_name.compare(kUnsupportedClearKeySystem) == 0) { |
+ return KEY_SYSTEM_CLEAR_KEY; |
+ } |
+ |
+ return KEY_SYSTEM_NONE; |
+} |
+ |
+} // namespace chromecast |