When this property is set, it will tell the decoder to do a reset when it is getting behind. The default is -1 (do not reset) but you can set it to reset on any of the following states:
In your transcoder template, under Transcoder/Properties add the following:
<Property>
<Name>resetDecoderOnTransitionToVideoBehindState</Name>
<Value>1</Value>
<Type>Boolean</Type>
</Property>
This property is valid >= 4.1.1