Setting the codec filter quality to very low, or manually setting the previous frame threshold very high, will cause blocks to hang around. By setting a non-zero keyframe interval, the old blocks will be periodically discarded regardless of error thresholds.
Setting the codec filter quality to very low, or manually setting the previous frame threshold very high, will cause blocks to hang around. By setting a non-zero keyframe interval, the old blocks will be periodically discarded regardless of error thresholds.
Demo video: