#!/bin/bash

rm -f stream.mp2 stream.m1v
killall -q sox twolame sleep mencoder rawtoyuv 709to601 mpeg2enc dd mplex
sleep 2
killall -9 -q sox twolame sleep mencoder rawtoyuv 709to601 mpeg2enc dd mplex
sleep 2

function audio {
sox -V0 --single-threaded -t .raw -r 48000 -b 16 -e signed-integer -L -c 2 - \
    -t .raw -r 44100 -b 16 -e signed-integer -L -c 1 - \
    channels 1 vol 2 rate -v < stream.pcm |
twolame --quiet -r -N 1 -s 44100 -m s -b 224 -p - stream.mp2 &

sleep 2

mencoder -quiet \
         -ofps 24000/1001 \
         -nozoom \
         -aid 4354 \
         -nosub \
         -noautosub \
         -sws 2 \
         -vf crop=1446:1080,scale=352:240:::0.33333333333333333:0.33333333333333333,harddup,dsize=107/80,format=iyuv \
         -aspect 107:80 \
         -cache 16384 \
         -vc ffvc1 \
         -ovc raw \
         -ac ffac3 \
         -af format=s16le \
         -oac pcm \
         -of rawaudio \
         -o stream.pcm \
         -bluray-device /media/STORAGE/DISC"$2" \
         -bluray-angle 1 \
         br://"$3"
}

function video {
./rawtoyuv < stream.yuv |
./709to601 |
mpeg2enc -v 0 -n n -f 1 -F 1 -a 2 -4 1 -2 1 -o stream.m1v &

sleep 2

mencoder -quiet \
         -ofps 24000/1001 \
         -nozoom \
         -aid 4354 \
         -nosub \
         -noautosub \
         -sws 2 \
         -vf crop=1446:1080,scale=352:240:::0.33333333333333333:0.33333333333333333,harddup,dsize=107/80,format=iyuv \
         -aspect 107:80 \
         -cache 16384 \
         -vc ffvc1 \
         -ovc raw \
         -ac ffac3 \
         -af format=s16le \
         -oac pcm \
         -of rawvideo \
         -o stream.yuv \
         -bluray-device /media/STORAGE/DISC"$2" \
         -bluray-angle 1 \
         br://"$3"
}

dd if=stream.yuv iflag=nonblock of=/dev/null 2>/dev/null
dd if=stream.pcm iflag=nonblock of=/dev/null 2>/dev/null
audio "$@" &
video "$@" &
wait
dd if=stream.yuv iflag=nonblock of=/dev/null 2>/dev/null
dd if=stream.pcm iflag=nonblock of=/dev/null 2>/dev/null
mplex -v 1 -f 1 -o TOS"$1".MPG stream.m1v stream.mp2
MPLEX_OUT=$?
wait
exit $MPLEX_OUT