On Sun, May 15, 2016, at 07:07 AM, Virgil Stokes wrote: > How can one prepend a single frame to an existing MP4 file downloaded > from > YouTube? The purpose of this new "first frame" is to add some > identification > information (text) to the MP4.
Please show info about your input file and your ffmpeg version. Show the complete output of: ffmpeg -i input.mp4 _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
