[MPlayer-users] Re: MPlayer-users Digest, Vol 11, Issue 32

[Nico Sabbi]

byavl wrote:

> Hi
>
> >3. TROUBLE DESCRIPTION:
> >>
> >> --- coding to MPEG2 
> ---------------------------------------------------
> >> $ mencoder argasi96_raw_1MB.avi -o argasi96_raw_1MB.mpeg2
> >>            -ovc lavc -lavcopts vcodec=mpeg2video:psnr:vbitrate=6000
> >> -oac copy
> >> [...]
> >>
> >> ODML: Aspect information not (yet?) available or unspecified, not
> >> writing vprp header.
> >> Pos:   0,2s      7f ( 0%)   0fps Trem:   0min   0mb  A-V:0,019 [0:0]
> >> Flushing video frames
> >>
> >>
> >>
> >
> >
> > you missed -of mpeg; read the manual (man mplayer)
> >
>
> Yes, of course. I'm sorry I'm found it already.
>
> But "Segmentation fault" message is not good behaviour!
> And if "-of mpeg" is critical option to compose MPEG2 files
> so warning message should be appeared. It's will be so good...
>
> Anyway, the reason of SIGSEGV is module libavcodec/mpegvideo.c
>
> function: int MPV_encode_end(AVCodecContext *avctx)
>
> line 1257:    ff_rate_control_uninit(s);
>
> In my cases pointer "s" is NULL and next execution is a crash.
> I solved this problem by appending alone "if":
>
> int MPV_encode_end(AVCodecContext *avctx)
> {
>     MpegEncContext *s = avctx->priv_data;
>
> #ifdef STATS
>     print_stats();
> #endif
>
>     if( s != NULL ) /* added byAVL 11/16/2004 */
>       {
>         ff_rate_control_uninit(s);
>         MPV_common_end(s);
>
>         if (s->out_format == FMT_MJPEG)
>            mjpeg_close(s);
>       }
>     av_freep(&avctx->extradata);
>
>     return 0;
> }
>
>
> Maybe it will useful for anybody...
> Thanks and best regards.
>

is the error still present in latest (from cvs) 
mplayer+libavcodec+libavformat ?