ffprobe command

# To display all available stream info for a media file:
ffprobe -v error -show_streams <input.mp4>

# To display media duration:
ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 <input.mp4>

# To display the frame rate of a video:
ffprobe -v error -select_streams v:0 -show_entries stream=avg_frame_rate -of default=noprint_wrappers=1:nokey=1 <input.mp4>

# To display the width or height of a video:
ffprobe -v error -select_streams v:0 -show_entries stream=<width|height> -of default=noprint_wrappers=1:nokey=1 <input.mp4>

# To display the average bit rate of a video:
ffprobe -v error -select_streams v:0 -show_entries stream=bit_rate -of default=noprint_wrappers=1:nokey=1 <input.mp4>