[FFmpeg-devel] libavfilter: single ffplay.c diff?

Vitor Sessak vitor1001
Wed Oct 1 07:57:09 CEST 2008

Stefano Sabatini wrote:
> On date Tuesday 2008-09-30 18:12:46 +0200, Vitor Sessak encoded:
>> Stefano Sabatini wrote:
>>> On date Friday 2008-09-26 18:37:20 +0200, Vitor Sessak encoded:
>>>> Stefano Sabatini wrote:
>>>>> On date Thursday 2008-09-25 22:42:15 +0200, Stefano Sabatini encoded:
>>>>>> What about to provide in libavfilter just a single patch for ffplay.c
>>>>>> rather than:
>>>>>> 01_ffplay_get_video_frame.diff    03_ffplay_filters.diff
>>>>>> 02_ffplay_VideoPicture_vars.diff  
>>>>>> This should ease development (for example if I change X I have to
>>>>>> "revert" up to the relevant diffed version N, then I have to make the
>>>>>> diff against N-1, and finally change the following diffs). While I'm
>>>>>> sure there are better ways to achieve that (e.g. to use quilt/git) in
>>>>>> practice it makes more difficult to provide patches to
>>>>>> libavfilter-soc.
>>>>>> So I suggest to use just a patch for ffplay.c as the one provided for
>>>>>> ffmpeg.c, then I think we should update both patches to a recent
>>>>>> version of FFmpeg (I volunteer for it).
>>>>> In order to simplify testing and development I also propose to use a
>>>>> checkout.sh script like in others soc projects, check the patch below.
>>>> I'm favorable to both changes, but please note that the ffplay patch is 
>>>> not really in a very good state...
>>> Yes, I'm merging the patches and updating them to a more recent ffmpeg
>>> version, I'll post the resulting patch to libavfilter-soc here or I'll
>>> directly apply it as you prefer (I suppose you're the "unofficial"
>>> libavfilter-soc maintainer, right?).
>> You can apply directly, but what I meant with not in a very good state 
>> is that it is quite some code duplication between it and the ffmpeg.c 
>> patch.,I want is to merge both (what will end up in rewriting it almost 
>> from scratch). See my patch at 
>> http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/73124/focus=73196 .
> Yes, that will be the next step (I'm sorry I don't have so much time
> lately too).
> For what regards the single ffplay.c diff, is it OK to apply just a
> single patch to merge ffplay.c diffs *and* update it to ffmpeg 15000?


> I'm aware that it's a huge patch, anyway we're going to change all
> that code anyway so this seems the more practical solution.
> After that the plan is:
> * update ffmpeg.c diff
> * svn move 04_ffmpeg_filters.diff to 02_ffmpeg_filters.diff
> * add the checkout.sh script
> * apply the small fix to ffplay.c already discussed on this list
> * ...

Sounds good. Nice to see someone else working on it.


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