Support HEVC through EME

chromecast/renderer/key_systems_cast.cc

 // 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/renderer/key_systems_cast.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 22 matching lines @@
  public:
   std::string GetKeySystemName() const override {
     return media::kChromecastPlayreadyKeySystem;
   }
 
   bool IsSupportedInitDataType(EmeInitDataType init_data_type) const override {
     return init_data_type == EmeInitDataType::CENC;
   }
 
   SupportedCodecs GetSupportedCodecs() const override {
-    return ::media::EME_CODEC_MP4_AAC | ::media::EME_CODEC_MP4_AVC1;
+    return ::media::EME_CODEC_MP4_AAC | ::media::EME_CODEC_MP4_AVC1 |
+           ::media::EME_CODEC_MP4_HEVC;

[ddorwin, 2016/05/19 21:32:13]

I know this is the default state for Cast in Chromium, but I assume it can be
overridden for specific devices. Should it therefore be protected by the build
flag?

[servolk, 2016/05/20 23:00:19]

Done.

   }
 
   EmeConfigRule GetRobustnessConfigRule(
       EmeMediaType media_type,
       const std::string& requested_robustness) const override {
     return requested_robustness.empty() ? EmeConfigRule::SUPPORTED
                                         : EmeConfigRule::NOT_SUPPORTED;
   }
 
   EmeSessionTypeSupport GetPersistentLicenseSessionSupport() const override {
@@ skipping 41 matching lines @@
       EmeSessionTypeSupport::NOT_SUPPORTED,  // persistent-license.
       EmeSessionTypeSupport::NOT_SUPPORTED,  // persistent-release-message.
       // Note: On Chromecast, all CDMs may have persistent state.
       EmeFeatureSupport::ALWAYS_ENABLED,    // Persistent state.
       EmeFeatureSupport::ALWAYS_ENABLED));  // Distinctive identifier.
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
 }
 
 }  // namespace shell
 }  // namespace chromecast