Video info:
Size: 389768177 bytes (371.71 MiB), duration: 00:20:39, avg.bitrate: 2517 kb/s
Audio: aac, 48000 Hz, stereo (eng)
Video: h264, yuv420p, 640×480, 25.00 fps(r) (eng)
step: 16 s; # tiles: 5×15, tile size: 256×192; total size: 1290×2969
changing # of tiles to 5×12 because of skipped shots; total size: 1290×2393
1.10 s, 54.38 shots/s; output: files/GrandpasTales – Grandpa Daves Bedtime Tales, Scene 1_s.jpg