[mythtv-users] Poor-Quality SVCD's

[Paul Harrison]

Tom Purl wrote:
> I'm trying to export some of my MythTv shows to SVCD's using
> nuvexport, but the qualityy is really poor.  It's *very* pixilated, to
> the point where images are blending together.  Since the .mpg files
> that are created by nuvexport look just as bad as the actual svcd's,
> I don't think the problem is with anything outside of nuvexport.
>
> I'm using ffmpeg, which I compiled from source.  Here's how I
> compiled it:
>
>     FFmpeg version SVN-r6335, Copyright (c) 2000-2004 Fabrice Bellard
>       configuration:  --enable-mp3lame --enable-libogg --enable-vorbis
>     --enable-faad --enable-faac --enable-libgsm --enable-xvid --enable-gpl
>       libavutil version: 49.0.1
>       libavcodec version: 51.15.0
>       libavformat version: 50.5.0
>       built on Sep 26 2006 21:16:44, gcc: 4.0.3 (Ubuntu 4.0.3-1ubuntu5)
>
> Also, here's what I get when I run nuvexport with the --debug option:
>
>     --------------------------------
>     To encode:  Scrubs:  My Fruit Cups
>     Use the following commands:
>
>     system call:
>     mkdir -m 0755 /tmp/fifodir_5807/
>
>     forking:
>     /usr/bin/nice -n19 /usr/local/bin/mythtranscode --showprogress -p autodetect -c 1047 -s 2006-09-23-14-00-00 -f "/tmp/fifodir_5807/" --honorcutlist 2>&1
>
>     forking:
>     /usr/bin/nice -n19 ffmpeg -f rawvideo -s 480x480 -r 29.970 -i
>     /tmp/fifodir_5807/vidout -f yuv4mpegpipe - 2> /dev/null |
>     /usr/bin/nice -n19 yuvdenoise 2> /dev/null | /usr/bin/nice -n19 ffmpeg
>     -y -f s16le -ar 48000 -ac 2 -i /tmp/fifodir_5807/audout -f
>     yuv4mpegpipe -s 480x480 -aspect 1.33333333333333 -r 29.970 -i --aspect
>     1.3333 -r 29.97 -deinterlace -croptop    10 -cropright 10 -cropbottom
>     10 -cropleft  10 -s 480x480  -b 2500 -vcodec mpeg2video -qmin 5 -ab
>     192 -ar 44100 -acodec mp2 -f svcd '/home/tom/test/Scrubs - My Fruit Cups.mpg' 2>&1
>
> Does anyone know what I'm doing wrong or if there are any good
> alternatives for someone who wants to burn recordings to a CDR (since
> I don't own a DVD burner)?
>
> Thanks a ton in advance for any help!
>
> Tom Purl
>   

http://www.gossamer-threads.com/lists/mythtv/users/226470#226470

Paul H.