BTS_S-by-am.mp4
Size: 63983411 bytes (61.02 MiB), duration: 00:04:15, avg.bitrate: 2007 kb/s
Audio: aac, 48000 Hz, 2 channels, s16, 112 kb/s (und)
Video: h264, yuv420p, 640×480, 1798 kb/s, 29.97 fps(r) (und)
step: 6 s; # tiles: 4×9, tile size: 254×190; total size: 1024×1805