Register WideVine keysystem for WebView.

android_webview/renderer/aw_key_systems.cc

Index: android_webview/renderer/aw_key_systems.cc
diff --git a/android_webview/renderer/aw_key_systems.cc b/android_webview/renderer/aw_key_systems.cc
new file mode 100644
index 0000000000000000000000000000000000000000..81859d0b9b6004d3ce8e22ee94785ec97e25e4da
--- /dev/null
+++ b/android_webview/renderer/aw_key_systems.cc
@@ -0,0 +1,60 @@
+// Copyright 2013 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 "android_webview/renderer/aw_key_systems.h"
+
+#include <string>
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "base/strings/string_split.h"
+#include "third_party/widevine/cdm/widevine_cdm_common.h"
+
+using content::KeySystemInfo;
+
+namespace {
+
+const char kAudioMp4[] = "audio/mp4";
+const char kVideoMp4[] = "video/mp4";
+const char kMp4a[] = "mp4a";
+const char kMp4aAvc1Avc3[] = "mp4a,avc1,avc3";
+
+const uint8 kWidevineUuid[16] = {
+    0xED, 0xEF, 0x8B, 0xA9, 0x79, 0xD6, 0x4A, 0xCE,
+    0xA3, 0xC8, 0x27, 0xDC, 0xD5, 0x1D, 0x21, 0xED };
+
+// Return |name|'s parent key system.
+std::string GetDirectParentName(const std::string& name) {
+  int last_period = name.find_last_of('.');
+  DCHECK_GT(last_period, 0);
+  return name.substr(0, last_period);
+}
+
+void AddWidevineWithCodecs(
+    const std::string& key_system_name,
+    bool add_parent_name,
+    std::vector<KeySystemInfo>* concrete_key_systems) {
+  KeySystemInfo info(key_system_name);
+
+  if (add_parent_name)
+    info.parent_key_system = GetDirectParentName(key_system_name);
+
+  info.supported_types.push_back(std::make_pair(kAudioMp4, kMp4a));
+  info.supported_types.push_back(std::make_pair(kVideoMp4, kMp4aAvc1Avc3));
+
+  info.uuid.assign(kWidevineUuid, kWidevineUuid + arraysize(kWidevineUuid));
+
+  concrete_key_systems->push_back(info);
+}
+
+}  // namespace
+
+namespace android_webview {
+
+void AwAddKeySystems(
+    std::vector<KeySystemInfo>* key_systems_info) {
+  AddWidevineWithCodecs(kWidevineKeySystem, true, key_systems_info);
+}
+
+}  // namespace android_webview