[FFmpeg-devel] [PATCH] avfilter/vf_idet: Add analyze_interlaced_flag mode

[tim nicholson]

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On 05/01/15 16:57, Michael Niedermayer wrote:
> On Mon, Jan 05, 2015 at 01:00:41PM +0000, tim nicholson wrote:
>> On 01/01/15 01:56, Michael Niedermayer wrote:
>>> This should allow us to insert idet before scale and let scale have interl=-1 as default in that case
>>
>> Good thinking.
>>
>> How would interl=-1 then get set as default for auto inserted filters.
>> Or did I miss something?
> 
> it maybe could be set when the filter togeter with idet is inserted
> i havnt implemented that yet though, idet doesnt support every format
> that scale supports so it cant be done unconditionally
> 

Ahh, right.

Am I correct in thinking that currently there is no command line way to
globally override the default (interl=0) so that any auto inserted
filters use the required settings? I see nothing in sws_flags.

I am sort of thinking of a kind of partial implementation workaround
where a file is probed and the command line auto constructed based on
what is found, then provided the format is OK the default can be
changed. This would also be useful in all sorts of other ways when auto
inserted filters are likely.

> [...]



- -- 
Tim.
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