Hi,

> undefined reference to `sws_scale'
> undefined reference to `sws_getContext'

Looks like the swscale library isn't linking correctly.

> I didn't get these errors before the update. I compile my project with
> "-lSDL -lSDL_image -lavutil -lavformat -lavcodec -lz" options for
> ffmpeg and SDL , and I use 
> extern "C"
> {
> #include "libavcodec/avcodec.h"
> #include "libavformat/avformat.h"
> #include "libswscale/swscale.h"
> }
> for my includes.


Indeed. It looks like you are forgetting -lswscale, which is necessary if 
you're including swscale.h.

Cheers,
Ola


> 
> Now I have installed on my system : ffmpeg, libffmpeg0 and
> libffmpeg-devel, all are at the 0.4.8-12823 version. If anyone have an ideea
> about
> how can i resolve these errors.. please tell me. :)
> 
> PS. I had ffmpeg.0.4.9.12153 and ffmpeg-devel0.4.9.12153 downloaded
> from videolan site, but now I can't find them anymore.
> 
> Thanks.
> _______________________________________________
> libav-user mailing list
> [email protected]
> https://lists.mplayerhq.hu/mailman/listinfo/libav-user

_______________________________________________
libav-user mailing list
[email protected]
https://lists.mplayerhq.hu/mailman/listinfo/libav-user

Reply via email to