You can't depend on the flag. It's a strange one. I have a channel that is reported as 1080i by the femon plugin but deint has to be off sometimes to reduce jitter. Other times it can be on. The FCC has gotten very lax in requirments and even more lax in inforcing what rules they do have.

On 1/19/2011 6:47 AM, Tony Houghton wrote:
On Wed, 19 Jan 2011 12:36:19 +0000 (GMT)
Stuart Morris<>  wrote:

For progressive HD material I have to manually turn off deinterlacing,
then turn it on again for interlaced material. That's annoying.

I thought there was supposed to be a flag in MPEG meta data which
indicates whether pairs of fields are interlaced or progressive so
decoders can determine how to combine them without doing any complicated
picture analysis. Are broadcasters not using the flag properly, or xine
not reading it? xine-ui's preferences dialog has an option to disable
interlacing for progressive material, have you set that in whichever
front-end you're using?

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