[FFmpeg-user] When to determine frames are progressive or interlaced ?

[Lou]

On Wed, 19 Dec 2012 17:52:17 -0900
Lou <lou at lrcd.com> wrote:

> On Wed, 19 Dec 2012 02:27:37 -0800 (PST)
> tank pranav <akshar_tank at yahoo.com> wrote:
> 
> > I would like to know when to determine frames are progressive or interlaced ?
> 
> Don't forget about telecining. See "The difference between interlacing
> and interlacing":

And that is what happens when "send" is too similar to "paste". Let me
try again:

http://mod16.org/hurfdurf/?p=12

Which states, "the only way to determine what you're dealing with is to
actually look at it."

With ffplay you can use the "s" key to activate frame step mode which
may be useful.