https://trac.ffmpeg.org/wiki/Encode/YouTube
gst-launch-1.0 -v filesrc location=goldplating.mp4 ! decodebin ! x264enc bitrate=426 ! "video/x-h264, profile=main" ! qtmux ! filesink location=goldplating-gst.mp4
https://trac.ffmpeg.org/wiki/Encode/YouTube
gst-launch-1.0 -v filesrc location=goldplating.mp4 ! decodebin ! x264enc bitrate=426 ! "video/x-h264, profile=main" ! qtmux ! filesink location=goldplating-gst.mp4