ffmpeg copy frame rate of input file vbr

Input formats like image2 or v4l2 (it used to be the same in older versions of FFmpeg). This is not the same as the -framerate option used for some Set frame rate (Hz value, fraction or abbreviation).Īs an input option, ignore any timestamps stored in the file and instead generate timestamps assuming constant frame rate fps. The format is wxh (default - same as source). Please use the 'scale' filter directly to insert it at the beginning or some other Is everything fine with my ffmpeg command or is there a problem? What I'm also not sure about is that the timestamps are not increasing monotonically.From the man pages of ffmpeg: -s size (input/output,per-stream)Īs an input option, this is a shortcut for the video_size private option, recognized by some demuxers for which the frame size is either not stored in the file or is configurable - e.g.Īs an output option, this inserts the 'scale' video filter to the end of the corresponding filtergraph. I'm getting for the raw video the following values: When I inspect the presentation timestamp using ffprobe -show_entries frame=pict_type,pkt_pts_time -of csv in.MP4 I was running ffmpeg on Ubuntu 16.04 with the following command to make sure that the video has a constant frame rate of 60 fps: ffmpeg -i in.MP4 -vf -y -vcodec libx264 -preset medium -r 60 -map_metadata 0:g -strict -2 out.MP4 &1 I have a GoPro video recording which was recorded with 60 fps.

Ffmpeg copy frame rate of input file vbr