Chromecast: communicate HDMI-sink codec changes over IPC.

R=lcwu@chromium.org,servolk@chromium.org,tsepez@chromium.org
BUG=

Review URL: https://codereview.chromium.org/971913002

Cr-Commit-Position: refs/heads/master@{#319078}

2 files changed, 61 insertions, 0 deletions

diff --git a/chromecast/renderer/media/capabilities_message_filter.cc b/chromecast/renderer/media/capabilities_message_filter.cc
new file mode 100644
index 0000000..fb10972
--- /dev/null
+++ b/chromecast/renderer/media/capabilities_message_filter.cc
@@ -0,0 +1,32 @@
+// Copyright 2015 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/media/capabilities_message_filter.h"
+
+#include "chromecast/common/media/cast_messages.h"
+#include "chromecast/media/base/media_caps.h"
+
+namespace chromecast {
+
+CapabilitiesMessageFilter::CapabilitiesMessageFilter() {
+}
+
+CapabilitiesMessageFilter::~CapabilitiesMessageFilter() {
+}
+
+bool CapabilitiesMessageFilter::OnMessageReceived(const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(CapabilitiesMessageFilter, message)
+    IPC_MESSAGE_HANDLER(CmaMsg_UpdateSupportedHdmiSinkCodecs,
+                        OnUpdateSupportedHdmiSinkCodecs)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void CapabilitiesMessageFilter::OnUpdateSupportedHdmiSinkCodecs(int codecs) {
+  ::media::SetHdmiSinkCodecs(codecs);
+}
+
+}  // namespace chromecast
diff --git a/chromecast/renderer/media/capabilities_message_filter.h b/chromecast/renderer/media/capabilities_message_filter.h
new file mode 100644
index 0000000..6c9c1de
--- /dev/null
+++ b/chromecast/renderer/media/capabilities_message_filter.h
@@ -0,0 +1,29 @@
+// Copyright 2015 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.
+
+#ifndef CHROMECAST_RENDERER_MEDIA_CAPABILITIES_MESSAGE_FILTER_H_
+#define CHROMECAST_RENDERER_MEDIA_CAPABILITIES_MESSAGE_FILTER_H_
+
+#include "ipc/message_filter.h"
+
+namespace chromecast {
+
+class CapabilitiesMessageFilter : public IPC::MessageFilter {
+ public:
+  CapabilitiesMessageFilter();
+
+  // IPC::ChannelProxy::MessageFilter implementation:
+  bool OnMessageReceived(const IPC::Message& message) override;
+
+ private:
+  ~CapabilitiesMessageFilter() override;
+
+  void OnUpdateSupportedHdmiSinkCodecs(int codecs);
+
+  DISALLOW_COPY_AND_ASSIGN(CapabilitiesMessageFilter);
+};
+
+}  // namespace chromecast
+
+#endif  // CHROMECAST_RENDERER_MEDIA_CAPABILITIES_MESSAGE_FILTER_H_