[FFmpeg-devel] [RFC] AVFilter Parser

Vitor Sessak vitor1001
Wed Mar 26 18:48:22 CET 2008


Hi

Michael Niedermayer wrote:
> On Sat, Mar 22, 2008 at 01:22:22AM +0100, Vitor Sessak wrote:
> [...]
>> 3- Allow labels to optionally specify the source/destination stream number.
>> Advantages: Nice simplifications, like instead of
>>
>> (in1) vflip (T1); (in2) (T1) picInPic (out)
>>
>> that would be equivalent to
>> (in1) vflip (T1:0); (in2:0) (T1:1) picInPic (out)
>>
>> could be written, much more simply
>> (in1) vflip, (in2:0) picInPic (out)
> 
> What about allowing to list all so that
> 
> (x:0) (y:1) (z:2) filter_with_3inputs
> is the same as
> (x y z) filter_with_3inputs
> 
> and
> 
> (x:0) (z:2) filter_with_3inputs
> is the same as
> (x 0 z) filter_with_3inputs
> 
> also 
> (x:0 y:1 z:2)
> or
> (x:0, y:1, z:2)
> looks cleaner to me than
> (x:0) (y:1) (z:2)

I like it.

-Vitor




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