[mythtv] Ticket #2591: ivtc filter can cause stuttering
skamithi at gmail.com
Wed Oct 18 16:56:08 UTC 2006
ivtc filter is triggered when you have a mix of interlaced and progressive
frames. This is true for the UniversalHD channel.
On a AMD64 processor the ivtc filter is applied without using any mmx
instructions. If the processor is a AMD64, my guess, is the stutter may be
because the ivtc filter is executed on amd64 processors without using any
mmx instructions on processor-intensive content. on less intensive content
like dvds, you have no problem. The other channels probably work because all
the frames are interlaced so the filter is not triggered.
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