#! /bin/sh
if [ -z "$1" ]; then
- echo "Usage: [vcodec=s] [vbitrate=n] [vscale=s] [aid=n] [acodec=s] [abitrate=n] [ascale=s] [pass=n] [input_opts=input_opts] [output_opts=output_opts] $0 input [output]"
+ echo "Usage: [vcodec=s] [vbitrate=n] [vscale=s] [acodec=s] [abitrate=n] [ascale=s] [pass=n] [input_opts=input_opts] [output_opts=output_opts] [output=output.avi] [crop=w:h:x:y] $0 input1 [input2...]"
exit 1
fi
pass=1
fi
-input="$1"
-shift
+if [ -n "$crop" ]; then
+ crop="-vf crop=$crop"
+fi
-if [ -n "$1" ]; then
- output="$1"
- shift
+if [ $# -eq 1 ]; then
+ input="$1"
else
+ input=concat:"`echo \"$@\" | sed 's/ /|/g'`"
+fi
+
+if [ -z "$output" ]; then
output=output.avi
fi
-if [ "$vcodec" = mpeg4-hq ]; then
+if [ "$vcodec" = mpeg4 ]; then
+ vopts="-g 300 -bf 2"
+
+elif [ "$vcodec" = mpeg4-hq ]; then
+ vcodec=mpeg4
+ vopts="-g 300 -bf 2 -mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2"
+
+elif [ "$vcodec" = mpeg4-vhq ]; then
vcodec=mpeg4
- vopts="-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2"
+ vopts="-g 200 -bf 2 -mbd rd -flags +mv4+aic+qprd+mv0 -flags2 skiprd -trellis 2 -cmp 2 -subcmp 2"
+
+elif [ "$vcodec" = x264 ]; then
+ vcodec=libx264
+
+elif [ "$vcodec" = x264-hq ]; then
+ vcodec=libx264
+ vopts="-preset slow"
+
+elif [ "$vcodec" = x264-vhq ]; then
+ vcodec=libx264
+ vopts="-preset veryslow"
+
+else
+ echo "Unknown video codec $vcodec; known codecs are {mpeg4,x264}[-[v]hq], copy" >&2
+ exit 1
fi
if [ "$pass" -eq 1 ]; then
- exec ffmpeg $input_opts -i "$input" -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -g 300 -bf 2 -c:a "$acodec" -b:a "$abitrate" $output_opts "$output"
+ exec ffmpeg -threads auto $input_opts -i "$input" -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -c:a "$acodec" -b:a "$abitrate" $output_opts $crop "$output"
elif [ "$pass" -eq 2 ]; then
- ffmpeg -pass 1 $input_opts -i "$input" -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -g 300 -bf 2 -an -f rawvideo -y /dev/null $output_opts &&
- exec ffmpeg -pass 2 $input_opts -i "$input" -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -g 300 -bf 2 -c:a "$acodec" -b:a "$abitrate" $output_opts "$output"
+ ffmpeg -pass 1 -threads auto $input_opts -i "$input" -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -an -f rawvideo -y /dev/null $output_opts $crop &&
+ exec ffmpeg -pass 2 -threads auto $input_opts -i "$input" -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -c:a "$acodec" -b:a "$abitrate" $output_opts $crop "$output"
else
echo "Can only do 1 or 2 passes." >&2