+if [ -n "$do_roq" ] ; then
+do_video_encoding roqav.roq "-vframes 5"
+do_video_decoding "" "-pix_fmt yuv420p"
+fi
+
+if [ -n "$do_qtrle" ] ; then
+do_video_encoding qtrle.mov "-an -vcodec qtrle"
+do_video_decoding "" "-pix_fmt yuv420p"
+fi
+
+if [ -n "$do_rgb" ] ; then
+do_video_encoding rgb.avi "-an -vcodec rawvideo -pix_fmt bgr24"
+do_video_decoding "" "-pix_fmt yuv420p"
+fi
+
+if [ -n "$do_v210" ] ; then
+do_video_encoding v210.avi "-an -c:v v210"
+do_video_decoding "" "-pix_fmt yuv420p"
+fi
+
+if [ -n "$do_yuv" ] ; then
+do_video_encoding yuv.avi "-an -vcodec rawvideo -pix_fmt yuv420p"
+do_video_decoding "" "-pix_fmt yuv420p"
+fi
+