[FFmpeg-user] difference between filter_complex and vf

[Atli Thorbjornsson]

Also, using -vf and -af separately works but like you said they expect a
single input source. So I provide a source (movie= and amovie=) in the
filtergraph but there I hit another problem, never found out how to get the
filter sources to accept rtmp://.. urls, the parser kept breaking on the
colons.

Atli.

On 1 June 2012 15:41, Atli Thorbjornsson <atlithorn at gmail.com> wrote:

> Thank You Nicolas! How would I go about combining the filters? Do I create
> a new filter_complex command or add it to the end of my existing command?
> Can't seem to get either to work.
>
> Atli
>
>
>
> On 1 June 2012 14:00, Nicolas George <nicolas.george at normalesup.org>wrote:
>
>> Le quartidi 14 prairial, an CCXX, Atli Thorbjornsson a écrit :
>> > Hi I'm trying to combined 2 files via overlay for video and amix for
>> audio.
>>
>> Do not use amix, it is misdesigned. Use amerge and pan instead.
>>
>> > But I never get the filtergraph to work when I use -vf (even if I leave
>> out
>> > the -af part)
>> > I always get this error:
>>
>> -vf works with a single input and a single output. What you want to do
>> requires the -filter_complex option.
>>
>> Regards,
>>
>> --
>>  Nicolas George
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>
>