On Fri, Nov 07, 2003 at 09:30:05AM -0800, Steven M. Schultz wrote:
>
> On Fri, 7 Nov 2003, Richard Ellis wrote:
>
> > lav2yuv t.cut | mpeg2enc.cvs.2003.11.04 -M 0 -f 5 -n n -a 2 -V 230 -B
> > 224 -S 8000 -b 9576 -q 10 -I 1 -G 54 -H -N 0.0 -X 200 -Q 4.0 -d -4 4
> > -2 4 -R 0 -o t.m2v
>
> Different than the one mentioned earlier - do they both coredump (I
> would guess so).
>
> Uh, -G to set the maximum GOP size looks very strange - a GOP size
> of 54 is *way* out of bounds for any format I know of that will be
> used in a hardware player.
It works just peachy for a Hollywood+ em8300 hardware playback card.
But then, I've only found one kind of mpeg file that caused the
em8300 any heartburn, and that was encoded with mpeg2enc's -I2
switch. Using gop length of 54 shrinks the resultant video size a
wee bit due to fewer I frames. The command line is what I use for
plain timeshift TV, for DVD creation, I use the standard gop length
of 18.
> Try leaving the GOP size as default value (remove the -G 54), then
> try leaving out the -M and default that to 1. Perhaps even try
> leaving both out at the same time ;)
Ok, new run, with this command line:
lav2yuv t.cut | mpeg2enc.cvs.2003.11.04 -f 5 -V 230 -b 9576 -q 10 -H
-R 0 -o t.m2v
Same result, with this gdb backtrace (gcc 3.3.1 was the compiler this
time, CVS was pulled today (Nov 7 at about 11am EDT):
Core was generated by `mpeg2enc.cvs.2003.11.04 -f 5 -V 230 -b 9576 -q
10 -H -R 0 -o t.m2v'.
Program terminated with signal 11, Segmentation fault.
#0 quant_non_intra_sse (wsp=0x40871008, src=0x40b74008, dst=0x40be5008,
q_scale_type=1, satlim=2047, nonsat_mquant=0x40c5602c)
at quantize_x86.c:309
309 mulps_m2r( *(mmx_t*)&piqf[0], xmm2 );
(gdb)
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