Chromecast: communicate HDMI-sink codec changes over IPC.

chromecast/renderer/cast_content_renderer_client.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/cast_content_renderer_client.h"
 
 #include <sys/sysinfo.h>
 
 #include "base/command_line.h"
 #include "base/memory/memory_pressure_listener.h"
+#include "base/strings/string_number_conversions.h"
 #include "chromecast/common/chromecast_switches.h"
 #include "chromecast/crash/cast_crash_keys.h"
+#include "chromecast/media/base/media_caps.h"
 #include "chromecast/renderer/cast_media_load_deferrer.h"
 #include "chromecast/renderer/cast_render_process_observer.h"
 #include "chromecast/renderer/key_systems_cast.h"
 #include "chromecast/renderer/media/chromecast_media_renderer_factory.h"
 #include "components/network_hints/renderer/prescient_networking_dispatcher.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "crypto/nss_util.h"
@@ skipping 77 matching lines @@
   // initialize NSS now because it won't be able to load the .so's
   // after entering the sandbox.
   if (!command_line->HasSwitch(switches::kSingleProcess))
     crypto::InitNSSSafely();
 #endif
 
 #if defined(ARCH_CPU_ARM_FAMILY) && !defined(OS_ANDROID)
   PlatformPollFreemem();
 #endif
 
+  // Set the initial known codecs mask.
+  if (command_line->HasSwitch(switches::kHdmiSinkSupportedCodecs)) {
+    int hdmi_codecs_mask;
+    if (base::StringToInt(command_line->GetSwitchValueASCII(
+                              switches::kHdmiSinkSupportedCodecs),
+                          &hdmi_codecs_mask)) {
+      ::media::SetHdmiSinkCodecs(hdmi_codecs_mask);
+    }
+  }
+
   cast_observer_.reset(
       new CastRenderProcessObserver(PlatformGetRendererMessageFilters()));
 
   prescient_networking_dispatcher_.reset(
       new network_hints::PrescientNetworkingDispatcher());
 
   std::string last_launched_app =
       command_line->GetSwitchValueNative(switches::kLastLaunchedApp);
   if (!last_launched_app.empty())
     base::debug::SetCrashKeyValue(crash_keys::kLastApp, last_launched_app);
@@ skipping 57 matching lines @@
     closure.Run();
     return;
   }
 
   // Lifetime is tied to |render_frame| via content::RenderFrameObserver.
   new CastMediaLoadDeferrer(render_frame, closure);
 }
 
 }  // namespace shell
 }  // namespace chromecast