[FFmpeg-devel] libavfilter help

Vitor Sessak vitor1001
Mon Sep 8 19:04:19 CEST 2008

Robert Swain wrote:
> 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. :)

That's certainly is good news!


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