У mediainfo есть полезный ключ "--Inform". Рекомендую почитать "man mediainfo".
Вот например:
mediainfo --Inform=file://mediainfo.txt 1.mp4 2.mov
mediainfo.txt:
General;\n%FileName%\n %Format%,%Duration/String3%,%FileSize/String4%,%OverallBitRate/String%
Video;\n %Format%(%CodecID%),%Width%x%Height%@%FrameRate%,%StreamSize/String5%,%DisplayAspectRatio/String%(%DisplayAspectRatio%),%BitRate/String%(%Bits-(Pixel*Frame)%)
Audio;\n %Format%,%Channel(s)/String%,%StreamSize/String5%,%BitRate/String%
Вывод:
1
MPEG-4,00:01:06.692,64.72 MiB,8 141 Kbps
AVC(avc1),1920x1080@23.976,63.7 MiB (98%),16:9(1.778),8 000 Kbps(0.161)
AAC,2 channels,1.02 MiB (2%),128 Kbps
2
MPEG-4,00:02:20.349,604.6 MiB,36.1 Mbps
AVC(avc1),1920x1080@23.976,579 MiB (96%),16:9(1.778),34.6 Mbps(0.696)
PCM,2 channels,25.7 MiB (4%),1 536 Kbps