Extend VideoControl to allow clients to request lossless modes.

remoting/host/client_session.cc

Index: remoting/host/client_session.cc
diff --git a/remoting/host/client_session.cc b/remoting/host/client_session.cc
index 8bb106f9e8d807794ae927c60785a76bac551b3f..2db968e5c09d3de27fd93bfd8edb5c612d4ef2ff 100644
--- a/remoting/host/client_session.cc
+++ b/remoting/host/client_session.cc
@@ -6,7 +6,6 @@
 
 #include <algorithm>
 
-#include "base/command_line.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "remoting/base/capabilities.h"
 #include "remoting/base/logging.h"
@@ -33,8 +32,6 @@
 // Default DPI to assume for old clients that use notifyClientDimensions.
 const int kDefaultDPI = 96;
 
-const char kEnableI444SwitchName[] = "enable-i444";
-
 namespace remoting {
 
 ClientSession::ClientSession(
@@ -136,6 +133,16 @@ void ClientSession::ControlVideo(const protocol::VideoControl& video_control) {
             << video_control.enable() << ")";
     video_scheduler_->Pause(!video_control.enable());
   }
+  if (video_control.has_lossless_encode()) {
+    VLOG(1) << "Received VideoControl (lossless_encode="
+            << video_control.lossless_encode() << ")";
+    video_scheduler_->SetLosslessEncode(video_control.lossless_encode());
+  }
+  if (video_control.has_lossless_color()) {
+    VLOG(1) << "Received VideoControl (lossless_color="
+            << video_control.lossless_color() << ")";
+    video_scheduler_->SetLosslessColor(video_control.lossless_color());
+  }
 }
 
 void ClientSession::ControlAudio(const protocol::AudioControl& audio_control) {
@@ -453,12 +460,7 @@ scoped_ptr<VideoEncoder> ClientSession::CreateVideoEncoder(
   if (video_config.codec == protocol::ChannelConfig::CODEC_VP8) {
     return remoting::VideoEncoderVpx::CreateForVP8().PassAs<VideoEncoder>();
   } else if (video_config.codec == protocol::ChannelConfig::CODEC_VP9) {
-    // Use I444 colour space if specified on the command-line.
-    if (CommandLine::ForCurrentProcess()->HasSwitch(kEnableI444SwitchName)) {
-      return
-          remoting::VideoEncoderVpx::CreateForVP9I444().PassAs<VideoEncoder>();
-    }
-    return remoting::VideoEncoderVpx::CreateForVP9I420().PassAs<VideoEncoder>();
+    return remoting::VideoEncoderVpx::CreateForVP9().PassAs<VideoEncoder>();
   }
 
   NOTREACHED();