[FFmpeg-devel] [PATCH] [4/??] [1/1] Libavfilter - Build changes

Måns Rullgård mans
Sat Feb 16 18:52:27 CET 2008

"V?ctor Paesa" <wzrlpy at arsystel.com> writes:

> Hi,
> Vitor Sessak said:
>> Vitor Sessak wrote:
>>> Hi
>>> M?ns Rullg?rd wrote:
>>>> Vitor Sessak writes:
>>>>> M?ns Rullg?rd wrote:
>>>>>> Vitor Sessak writes:
>>>>>>> This patch is unrelated to the graph patch (in the sense that it
>>>>>>> can be applied before or after it). It allows to compile
>>>>>>> libavfilter with "configure --enable-avfilter", but it will not be
>>>>>>> used at this point for anything.
>>>>>>> (no need to hurry in reviewing this, I'll be without internet
>>>>>>> until next week)
>>>>>>> Index: configure
>>>>>>> ==================================================================>>>>>
>>>>>>> --- configure    (revision 11882) +++ configure    (working copy)
>>>>>>> @@ -72,6 +72,8 @@
>>>>>>>    echo "                           and ffmpeg will be
>>>>>>> unredistributable [default=no]"
>>>>>>>    echo "  --enable-pp              enable GPLed postprocessing
>>>>>>> support [default=no]"
>>>>>>>    echo "  --enable-swscaler        software scaler support
>>>>>>> [default=no]"
>>>>>>> +  echo "  --enable-avfilter        video filter support (replaces
>>>>>>>  vhook) [default=no]"
>>>>>>> +  echo "  --enable-avfilter-lavf   video filters dependant on
>>>>>>> avformat [default=no]"
>>>>>> Why this distinction?
>>>>> Because there is no point of having such a big dependence for just a
>>>>>  few filters (like the vsrc_movie). Think about someone who wants
>>>>> just  to filter video, but don't cares about encoding/decoding.
>>>> So why not simply make the relevant filters depend on libavformat
>>>> directly?
>>> You mean compile it, unless configure is called with
>>> --disable-avformat?  Sounds reasonable to me. V?ctor, Diego?
>> Sorry to reply to self, but I was not clear. I meant to ask your opinion
>>  (but if you want to fix it you are welcome too!).
> Fine for me, but I don't see --disable-avformat in configure --help, does
> the fix is to allow conditional build of libavformat?

Hmm, somehow I'd got the idea there was such an option, but that seems
not to be the case.  We could of course add one, though.

M?ns Rullg?rd
mans at mansr.com

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