Size: 292158531 bytes (278.62 MiB), duration: 00:19:48, avg.bitrate: 1967 kb/s
Audio: aac, 44100 Hz, stereo
Video: h264, yuv420p, 960×544, 29.97 fps(r)
* scaling input * 960×544 => 967×544 according to sample_aspect_ratio 136/135
step: 21 s; # tiles: 6×9, tile size: 170×96; total size: 1024×948