[FFmpeg-devel] libavfilter help

Robert Swain robert.swain
Mon Sep 8 09:59:40 CEST 2008

2008/8/24 Vitor Sessak <vitor1001 at gmail.com>:
> Stefano Sabatini wrote:
>> On date Sunday 2008-08-24 07:58:48 +0200, Vitor Sessak encoded:
>>> Michael Niedermayer wrote:
>>>> On Sat, Aug 23, 2008 at 05:15:36PM +0200, Stefano Sabatini wrote:
>>>>> Hi all,
>>>>> which is the place where to discuss libavfilter issues?
>>>> ffmepg-dev when its about patches and development of libavfilter
>>>> everything i guess /dev/null
>>> You can always try ffmpeg-users and #ffmpeg for non-development stuff,
>>> but there is no warranty of receiving some answer...
>>>>> Since I'm quite tired to tell on ffmpeg-user others to help completing
>>>>> it, I think it's arrived the time to do something myself...
>>> Nice! I've put some work on it some time ago, but I've been out of time
>>> to do hard core development... The last thing I was working on was
>>> trying to factorize and cleanup the code used in both ffmpeg.c and
>>> ffplay.c patches (by creating a vsrc_buffer input filter). I'm attaching
>>> a patch to what I have in my local tree. I didn't committed it yet to
>>> the soc tree because it exposed some bugs in both vf_overlay.c and
>>> vf_split.c.
>>> There are two things really missing in SVN to be able to enable the
>>> first filter:
>>> 1- vf_scale (the sws_scale wrapper), that is needed for getting the
>>> colorspace right. That correspond to very few code lines
>> What's exactly missing the soc vf_scale.c filter? Or is it just a
>> matter of importing it into SVN?
> It's just a matter of getting it reviewed. I've posted already it for
> review at
> http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-February/042103.html
> and Bobby made it decode one slice at a time since then (but it probably
> broke the filter when ffmpeg is compiled without --enable-swscaler).

If Michael drops imgconvert and enforces use of libswscale then this
won't be an issue. :)


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