Do high-quality MPEG-4 encoding

diff --git a/video/ff_encode b/video/ff_encode
index ccf916575fa1584401a87844ac99ced1b9e0923c..990e5c332b80d95b52bf62c33a8b2124c51bed43 100755 (executable)
--- a/video/ff_encode
+++ b/video/ff_encode
@@ -32,12 +32,17 @@ fi
 input="$1"
 shift
 
+if [ "$vcodec" = mpeg4-hq ]; then
+   vcodec=mpeg4
+   vopts="-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2"
+fi
+
 if [ "$pass" -eq 1 ]; then
-   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
+   exec ffmpeg $input_opts -i "$input" -f avi -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -g 300 -bf 2 -c:a "$acodec" -b:a "$abitrate" $output_opts output.avi
 
 elif [ "$pass" -eq 2 ]; then
-   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 &&
-   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
+   ffmpeg -pass 1 $input_opts -i "$input" -f avi -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" -f avi -c:v "$vcodec" $vopts $vscale -b:v "$vbitrate" -g 300 -bf 2 -c:a "$acodec" -b:a "$abitrate" $output_opts output.avi
 
 else
    echo "Can only do 1 or 2 passes." >&2