Implement timing frames.

webrtc/modules/video_coding/include/video_coding_defines.h

Index: webrtc/modules/video_coding/include/video_coding_defines.h
diff --git a/webrtc/modules/video_coding/include/video_coding_defines.h b/webrtc/modules/video_coding/include/video_coding_defines.h
index b27bcd9ead8aa6407d11fe1b638c1f9667f952e7..a100580c7d7dc3811ce0841f64c81ced2a7505f7 100644
--- a/webrtc/modules/video_coding/include/video_coding_defines.h
+++ b/webrtc/modules/video_coding/include/video_coding_defines.h
@@ -39,7 +39,12 @@ namespace webrtc {
 #define VCM_NO_FRAME_DECODED -11
 #define VCM_NOT_IMPLEMENTED -20
 
-enum { kDefaultStartBitrateKbps = 300 };
+enum {
+  kDefaultStartBitrateKbps = 300,
+  // Timing frames settings.
+  kMinFrameSizeToForceTimingFrameBytes = 15000,
+  kTimingFramesDelayMs = 200,

[sprang_webrtc, 2017/05/31 11:12:55]

These should have "default" somewhere in the name.
Also, do we have to use enum? If so, probably define the type. Otherwise make
them plain static const/constexpr

[ilnik, 2017/05/31 15:17:45]

Done.

+};
 
 enum VCMVideoProtection {
   kProtectionNone,