[FFmpeg-devel] [PATCH] vc1: signal interlaced and tff flag to the consumer

Mashiat Sarker Shakkhar mashiat.sarker at gmail.com
Thu Jun 21 19:27:16 CEST 2012

On 6/21/2012 10:43 PM, Michael Niedermayer wrote:
> Interlacing vs. progressive is about the time at which the even and
> odd lines of a frame have been sampled.
> if the times match its progressive if not its interlace content
> this is what the AVFrame.interlaced flag stores.

Indeed, you are correct. I did not take sampling into account. Now that 
I come to think of it, I am inclined to agree with you about the spec 
being ambiguous on the matter. But I don't claim to be an expert in the 


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