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

Mashiat Sarker Shakkhar mashiat.sarker at gmail.com
Thu Jun 21 18:17:21 CEST 2012

On 6/21/2012 10:03 PM, Michael Niedermayer wrote:
> iam not 100% sure its correct, ive checked the spec and its not really
> clear. There are 2 things normally,
> 1. if the video content is interlaced

"if the video content may include interlaced pictures": stored in 

> 2. how it is compressed/stored

"how a particular picture is compressed / stored": stored in v->fcm 
(frame coding mode)

> The spec doesnt clearly seperate these ...

It does.

> so the code might need finetuuning later if our interpretation of the
> spec is found to not match actual files ...

I don't think there's anything left to interpretation.

As you can see, Hendrik is using v->fcm, not v->interlace - so it looks 
correct to me.


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