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

Tim Nicholson nichot20 at yahoo.com
Thu Dec 20 08:53:07 CET 2012


On 20/12/12 02:56, Lou wrote:
> 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.

Best used having first used yadif to turn fields to frames then step
through and you can also see if its tff or bff.


>[..]


-- 
Tim




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