4 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] $0 input.avi"
8 if [ -z "$vcodec" ]; then
12 if [ -z "$vbitrate" ]; then
16 if [ -n "$vscale" ]; then
20 if [ -z "$acodec" ]; then
24 if [ -z "$abitrate" ]; then
28 if [ -z "$pass" ]; then
35 if [ "$pass" -eq 1 ]; then
36 exec ffmpeg $input_opts -i "$input" -f avi -c:v "$vcodec" $vscale -b:v "$vbitrate" -g 300 -bf 2 -c:a "$acodec" -b:a "$abitrate" $output_opts output.avi
38 elif [ "$pass" -eq 2 ]; then
39 ffmpeg -pass 1 $input_opts -i "$input" -f avi -c:v "$vcodec" $vscale -b:v "$vbitrate" -g 300 -bf 2 -an -f rawvideo -y /dev/null $output_opts &&
40 exec ffmpeg -pass 2 $input_opts -i "$input" -f avi -c:v "$vcodec" $vscale -b:v "$vbitrate" -g 300 -bf 2 -c:a "$acodec" -b:a "$abitrate" $output_opts output.avi
43 echo "Can only do 1 or 2 passes." >&2