[libav-tools] AVCONV -filter_complex option unrecognized.
misc.info99 at yahoo.com
Mon Sep 30 18:01:00 CEST 2013
On Wed, 9/18/13, Luca Barbato <lu_zero at gentoo.org> wrote:
Subject: Re: [libav-tools] AVCONV -filter_complex option unrecognized.
To: libav-tools at libav.org
Date: Wednesday, September 18, 2013, 6:44 AM
On 18/09/13 00:54, Keith Lawson
> On 2013-09-17 14:25, Miscell smith wrote:
>> I'm afraid that -vf instead of -filter_complex did
not work. I think
>> the -vf option works only with a simple chain of
filters, not a full
>> filtergraph with multiple inputs and outputs. The
error message I got was
>> Output pad "default" for the filter "src" of type
>> connected to any destination.
>> Error opening filters!
>> The -filter_complex command I have been using with
avconv would work
>> with ffmpeg, so I suspect it is simply that this
option is not
>> implemented in the version I am using (but which
> I'm not a libav developer so I can't speak about
> when it was removed from avconv but it certainly
doesn't appear to be
> there any more. I can confirm that -vf works for
complex filters with
> avconv though as I use them to split video streams and
combine them again.
Which version of libav are you using?
Libav 9 Implements filter complex, Libav 0.8 does not.
Thanks to lu and Keith for helping on this. The Debian package used Libav 0.8, so I guess
I need to upgrade to Libav 9.
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