/usr/games/cdg2mpg is in pykaraoke-bin 0.7.5-1.1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #! /bin/sh
# Sanity-check parameters.
for cdg in "$@"; do
if [ `basename "$cdg" .cdg` = "$cdg" ]; then
echo "$cdg" does not end in .cdg.
exit 1
fi
if [ ! -f "$cdg" ]; then
echo "$cdg" does not exist.
exit 1
fi
wav=`dirname "$cdg"`/`basename "$cdg" .cdg`.wav
if [ ! -f "$wav" ]; then
echo "$wav" does not exist.
exit 1
fi
done
for cdg in "$@"; do
# Get temporary and output filenames, based on the input filename.
wav=`dirname "$cdg"`/`basename "$cdg" .cdg`.wav
ppm=`dirname "$cdg"`/`basename "$cdg" .cdg`.ppm
mpa=`dirname "$cdg"`/`basename "$cdg" .cdg`.mpa
mpv=`dirname "$cdg"`/`basename "$cdg" .cdg`.mpv
mpg=`dirname "$cdg"`/`basename "$cdg" .cdg`.mpg
# Use PyKaraoke to extract the frames. We render into a slightly
# larger window than 288x192, to give room for a border and allow
# for TV overscan.
python pycdg.py --dump="$ppm" --dump-fps=29.97 --zoom=none --width=320 --height=240 "$cdg" || exit
# Scale the video up to the DVD-sized screen, and convert it to mpeg.
ppmtoy4m -v0 -F30000:1001 "$ppm" | y4mscaler -v0 -O preset=dvd | mpeg2enc -v0 -f8 -b7500 -o "$mpv" || exit
# Convert the audio to mpeg.
mp2enc -v0 -b224 -r48000 -s -o "$mpa" <"$wav" || exit
# Multiplex the audio and the video together.
mplex -v0 -f8 "$mpa" "$mpv" -o "$mpg" || exit
# Clean up.
rm -f "$ppm" "$mpa" "$mpv"
done
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