Re: ffmpeg compilation fix for cvs

2005/11/23, jon klein <[email protected]>:
>
> On Nov 23, 2005, at 6:06 AM, Jan Callewaert wrote:
>
> > I tried compiling breve with ffmpeg support when using the most recent
> > ffmpeg from cvs. There were some errors which I had to fix, so I'm
> > attaching the diff to the cvs. When recording a movie, I do get buffer
> > underflows for some strange reason. I have it also without the patch
> > on an older system with an older version of ffmpeg. Can somebody
> > confirm this? Maybe the bit rate is too high.
>
> Hi Jan,
> can you tell me what version of ffmpeg you're using?  When I apply your
> patch, it no longer compiles for me on OS X using "0.4.9-pre1" (a
> version
> number which I'm sure they've used for more than one release).
>
> I haven't tried updating my ffmpeg build here recently, but in the past,
> the different versions of ffmpeg have been so bizarrely different that
> nothing works between two versions -- functions and data structures
> change unexpectedly.
>

I use the latest cvs version, as they suggest on their website
(http://ffmpeg.sourceforge.net/download.php). I had to compile it
myself since it was not present on the machine I'm using for
simulation. Maybe you can use some kind of #ifdef-structure to compile
the correct piece, depending on the ffmpeg version. But I read  that
frame_rate and frame_rate_base were removed from cvs on 30th of april
(http://groups.google.be/group/lucky.freebsd.multimedia/browse_thread/thread/7356fb8ff64ca049/ea46217c55692203?lnk=st&q=frame_rate+frame_rate_base+remove+cvs+ffmpeg&rnum=1#ea46217c55692203),
and the latest official release dates back to the 9th of july 2004!
But it should indeed be possible to compile it also with this release,
since most users have that version.

Jan

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