Chromecast: communicate HDMI-sink codec changes over IPC.

chromecast/media/base/media_caps.cc

+// 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
+