ffmpeg -i IMG_6404-Birdbath.MOV IMG_6404-Birdbath.mp4
ffmpeg -i IMG_6416-mac-drinking.MOV IMG_6416-mac-drinking.mp4
ffmpeg -i IMG_6447-Nov-14-Deer-ANACONDA.MOV IMG_6447-Nov-14-Deer-ANACONDA.mp4
ffmpeg -i IMG_6459-Nov-17-Spearfish.MOV IMG_6459-Nov-17-Spearfish.mp4
ffmpeg -i IMG_6460-Nov-16-DougsHouse-Spearfish.MOV IMG_6460-Nov-16-DougsHouse-Spearfish.mp4
ffmpeg -i IMG_6466-Nov-16-SNOW-Spearfish.MOV IMG_6466-Nov-16-SNOW-Spearfish.mp4
ffmpeg -i IMG_6467-Nov-16-Pictures-Spearfish.MOV IMG_6467-Nov-16-Pictures-Spearfish.mp4
ffmpeg -i IMG_6508-Nov-17-Bday-song-Spearfish.MOV IMG_6508-Nov-17-Bday-song-Spearfish.mp4
ffmpeg -i IMG_6509-Nov-17-TrophyRoom-WY.MOV IMG_6509-Nov-17-TrophyRoom-WY.mp4
ffmpeg -i IMG_6518-Nov-17-TrophyRoom-WY.MOV IMG_6518-Nov-17-TrophyRoom-WY.mp4
ffmpeg -i IMG_6531-Nov-17-devilsTower-WY.MOV IMG_6531-Nov-17-devilsTower-WY.mp4
ffmpeg -i IMG_6558-Nov-19-Winds-LakeStevens.MOV IMG_6558-Nov-19-Winds-LakeStevens.mp4
ffmpeg -i IMG_6583-tight-turn-garbage-truck.MOV IMG_6583-tight-turn-garbage-truck.mp4
ffmpeg -i IMG_6585-Cascades-pc.MOV IMG_6585-Cascades-pc.mp4
ffmpeg -i IMG_6592-Cascades-rain.MOV IMG_6592-Cascades-rain.mp4
ffmpeg -i IMG_6595-Cascades.MOV IMG_6595-Cascades.mp4
ffmpeg -i IMG_6602-Cascades-sunset.MOV IMG_6602-Cascades-sunset.mp4

--> ll
total 2607888
-rw-r--r-- 1 john john      1268 Nov 22 23:17 ffmpeg-these
-rw-r--r-- 1 john john 159228897 Nov 20 09:33 IMG_6404-Birdbath.MOV
-rw-r--r-- 1 john john  79938595 Nov 22 23:22 IMG_6404-Birdbath.mp4
-rw-r--r-- 1 john john  39433244 Nov 20 09:34 IMG_6416-mac-drinking.MOV
-rw-r--r-- 1 john john   8934582 Nov 22 23:22 IMG_6416-mac-drinking.mp4
-rw-r--r-- 1 john john 117842757 Nov 20 09:34 IMG_6447-Nov-14-Deer-ANACONDA.MOV
-rw-r--r-- 1 john john  40784935 Nov 22 23:25 IMG_6447-Nov-14-Deer-ANACONDA.mp4
-rw-r--r-- 1 john john 108980981 Nov 20 09:35 IMG_6459-Nov-17-Spearfish.MOV
-rw-r--r-- 1 john john  31639697 Nov 22 23:28 IMG_6459-Nov-17-Spearfish.mp4
-rw-r--r-- 1 john john 232129559 Nov 20 09:36 IMG_6460-Nov-16-DougsHouse-Spearfish.MOV
-rw-r--r-- 1 john john 111046768 Nov 22 23:33 IMG_6460-Nov-16-DougsHouse-Spearfish.mp4
-rw-r--r-- 1 john john  71126700 Nov 20 09:36 IMG_6466-Nov-16-SNOW-Spearfish.MOV
-rw-r--r-- 1 john john  19825518 Nov 22 23:35 IMG_6466-Nov-16-SNOW-Spearfish.mp4
-rw-r--r-- 1 john john 352460654 Nov 20 09:38 IMG_6467-Nov-16-Pictures-Spearfish.MOV
-rw-r--r-- 1 john john  94682767 Nov 22 23:42 IMG_6467-Nov-16-Pictures-Spearfish.mp4
-rw-r--r-- 1 john john  36250674 Nov 20 09:38 IMG_6508-Nov-17-Bday-song-Spearfish.MOV
-rw-r--r-- 1 john john  11479547 Nov 22 23:43 IMG_6508-Nov-17-Bday-song-Spearfish.mp4
-rw-r--r-- 1 john john 152149768 Nov 20 09:38 IMG_6509-Nov-17-TrophyRoom-WY.MOV
-rw-r--r-- 1 john john  49497853 Nov 22 23:46 IMG_6509-Nov-17-TrophyRoom-WY.mp4
-rw-r--r-- 1 john john  65795868 Nov 20 09:39 IMG_6518-Nov-17-TrophyRoom-WY.MOV
-rw-r--r-- 1 john john  25238387 Nov 22 23:48 IMG_6518-Nov-17-TrophyRoom-WY.mp4
-rw-r--r-- 1 john john 171694959 Nov 20 09:39 IMG_6531-Nov-17-devilsTower-WY.MOV
-rw-r--r-- 1 john john  96251436 Nov 22 23:52 IMG_6531-Nov-17-devilsTower-WY.mp4
-rw-r--r-- 1 john john  37378008 Nov 20 09:40 IMG_6558-Nov-19-Winds-LakeStevens.MOV
-rw-r--r-- 1 john john  13160564 Nov 22 23:53 IMG_6558-Nov-19-Winds-LakeStevens.mp4
-rw-r--r-- 1 john john  38576717 Nov 22 23:07 IMG_6583-tight-turn-garbage-truck.MOV
-rw-r--r-- 1 john john  15826396 Nov 22 23:53 IMG_6583-tight-turn-garbage-truck.mp4
-rw-r--r-- 1 john john 117901229 Nov 22 23:07 IMG_6585-Cascades-pc.MOV
-rw-r--r-- 1 john john  23444195 Nov 22 23:56 IMG_6585-Cascades-pc.mp4
-rw-r--r-- 1 john john 124036890 Nov 22 23:08 IMG_6592-Cascades-rain.MOV
-rw-r--r-- 1 john john  26850929 Nov 22 23:58 IMG_6592-Cascades-rain.mp4
-rw-r--r-- 1 john john  84491729 Nov 22 23:08 IMG_6595-Cascades.MOV
-rw-r--r-- 1 john john  21059110 Nov 23 00:00 IMG_6595-Cascades.mp4
-rw-r--r-- 1 john john  75200205 Nov 22 23:08 IMG_6602-Cascades-sunset.MOV
-rw-r--r-- 1 john john  16000074 Nov 23 00:02 IMG_6602-Cascades-sunset.mp4