Re: [MEncoder-users] divx v's x264

Alex Samad wrote:
> Hi
>
> I have been running some test of re encoding my dv files I have taken of
> a panasonic DV camera.
>
> I have encoded to divx and to x264, it seems like the x264 files are a
> little bit bigger. and the quality (visual only) seems to be about the
> same
>
>
> both are 2 pass
> here is the divx
> mencoder -really-quiet
> -vf scale=::::::qpal,hqdn3d=2:1:2,pp=de,uspp=5,harddup
> -af volnorm=1
> -ovc lavc
> -lavcopts vcodec=mpeg4:vpass=1:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:predia=2:dia=2:vmax_b_frames=2:vb_strategy=1:precmp=2:cmp=2:subcmp=2:preme=2:qns=2:autoaspect:vbitrate=250
> -oac mp3lame
> -lameopts preset=medium
> -passlogfile "/tmp/user/1000/myConvert.Yyxb_/divx2pass.log"
> -o /dev/null
> "../src/video/Dimitra/wedding-2008.02.28_13-11-32.avi"
> -idx
> -ffourcc DX50
>
> nice mencoder -really-quiet
> -vf scale=::::::qpal,hqdn3d=2:1:2,pp=de,uspp=5,harddup
> -af volnorm=1
> -ovc lavc
> -lavcopts vcodec=mpeg4:vpass=2:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:predia=2:dia=2:vmax_b_frames=2:vb_strategy=1:precmp=2:cmp=2:subcmp=2:preme=2:qns=2:autoaspect:vbitrate=250
> -oac mp3lame
> -lameopts preset=medium
> -passlogfile "/tmp/user/1000/myConvert.Yyxb_/divx2pass.log"
> -o "/tmp/user/1000/myConvert.Yyxb_/wedding-2008.02.28_13-11-32.avi"
> "../src/video/Dimitra/wedding-2008.02.28_13-11-32.avi"
> -idx
> -ffourcc DX50
>
>
>
> here is the x264
>
> mencoder -really-quiet
> -vf scale=::::::qpal,hqdn3d=2:1:2,pp=de,uspp=5,harddup
> -af volnorm=1
> -ovc x264
> -x264encopts pass=1:turbo=2:nocabac:nob_pyramid:subq=6:frameref=3:partitions=all:me=umh:bframes=3:weight_b:threads=auto:qcomp=0.75:mixed_refs:nofast_pskip:trellis=2:nodct_decimate:nopsnr:brdo:bitrate=250
> -oac mp3lame
> -lameopts preset=medium
> -passlogfile "/tmp/user/1000/myConvert.I_qdD/divx2pass.log"
> -o /dev/null
> "../src/video/Dimitra/wedding-2008.02.28_13-11-32.avi"
> -idx
>
> mencoder -really-quiet
> -vf scale=::::::qpal,hqdn3d=2:1:2,pp=de,uspp=5,harddup
> -af volnorm=1
> -ovc x264
> -x264encopts pass=2:nocabac:nob_pyramid:subq=6:frameref=3:partitions=all:me=umh:bframes=3:weight_b:threads=auto:qcomp=0.75:mixed_refs:nofast_pskip:trellis=2:nodct_decimate:nopsnr:brdo:bitrate=250
> -oac mp3lame
> -lameopts preset=medium
> -passlogfile "/tmp/user/1000/myConvert.I_qdD/divx2pass.log"
> -o "/tmp/user/1000/myConvert.I_qdD/wedding-2008.02.28_13-11-32.avi"
> "../src/video/Dimitra/wedding-2008.02.28_13-11-32.avi" -idx
>
> I have left the x264 in an avi file.
> 8467432 wedding-2008.02.28_13-11-32-divx.avi
> 8470152 wedding-2008.02.28_13-11-32-x264.avi
>
>
> Am i doing something silly ? I was under the impression that x264 was
> meant to give smaller files.
If you specify the SAME bitrates you'll get the SAME filesizes.

Henk Schoneveld
>
>
>
>
>
>
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