FS-7500: add support for codec control and use it to pass messages down to the codec and use it to implement keyframe reset for fir, pli and nack. Later we will expand to handle nack correctly.

src/mod/codecs/mod_yuv/mod_yuv.c

@@ -85,7 +85,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_yuv_load)
 	SWITCH_ADD_CODEC(codec_interface, "YUV I420 Video (raw)");
 
 	switch_core_codec_add_video_implementation(pool, codec_interface, 99, "I420", NULL,
-		switch_yuv_init, switch_yuv_encode, switch_yuv_decode, switch_yuv_destroy);
+											   switch_yuv_init, switch_yuv_encode, switch_yuv_decode, NULL, switch_yuv_destroy);
 
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;