Hi everybody

I recently encoded a movie in SVCD to play it on my standalone DVD player. I 
encountered a problem during playback.

Basically, sometimes, the player drops a few frames (I'd say around 10-15 
frames). The sound stays synchronized with the image.

This happens after a few minutes of playback. If I then jump backwards for a 
minute, the problem doesn't appear at the same place in the movie.

Here's how I encoded the movie (PAL format, from a PAL divx):

mkfifo stream.yuv
mplayer -nofs -nosound -vo yuv4mpeg -ni -quiet -benchmark $1 &
cat stream.yuv | yuvscaler -M RATIO_640_480_272_324 -O SIZE_480x576 | mpeg2enc 
-f 4 -F 3 -S 700 -B 224 -n p -a 2 -o "${1%.avi}.m
2v"

mplayer -nofs -vo null -hardframedrop -dumpaudio $1
mpg123 -s stream.dump | sox -t raw -r 48000 -w -c 2 -s /dev/stdin -t wav -r 
44100 /dev/stdout | toolame -p 2 -b 224 /dev/stdin "${1%.avi}.mp2"

mplex -f 4 dogma.mp2 dogma.m2v -o "${1%.avi}%02d.mpg"

Does anyone have any idea about what went wrong with the encoding process ?

Thanks for your help.

Laurent Pinchart



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