Chromecast: communicate HDMI-sink codec changes over IPC.

chromecast/media/base/media_caps.cc

Index: chromecast/media/base/media_caps.cc
diff --git a/chromecast/media/base/media_caps.cc b/chromecast/media/base/media_caps.cc
new file mode 100644
index 0000000000000000000000000000000000000000..29248828a038de8885d35134c9b17c7d1bd76db1
--- /dev/null
+++ b/chromecast/media/base/media_caps.cc
@@ -0,0 +1,38 @@
+// 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/media/base/media_caps.h"
+
+namespace media {
+
+namespace {
+int g_hdmi_codecs = 0;
+}  // namespace
+
+void SetHdmiSinkCodecs(int codecs_mask) {
+  g_hdmi_codecs = codecs_mask;
+}
+
+bool HdmiSinkSupportsAC3() {
+  return g_hdmi_codecs & HdmiSinkCodec::kSinkCodecAc3;
+}
+
+bool HdmiSinkSupportsDTS() {
+  return g_hdmi_codecs & HdmiSinkCodec::kSinkCodecDts;
+}
+
+bool HdmiSinkSupportsDTSHD() {
+  return g_hdmi_codecs & HdmiSinkCodec::kSinkCodecDtsHd;
+}
+
+bool HdmiSinkSupportsEAC3() {
+  return g_hdmi_codecs & HdmiSinkCodec::kSinkCodecEac3;
+}
+
+bool HdmiSinkSupportsPcmSurroundSound() {
+  return g_hdmi_codecs & HdmiSinkCodec::kSinkCodecPcmSurroundSound;
+}
+
+}  // namespace media
+