FFMPEG Command to Convert H264 Video to MP4 Video File in Windows 10 Full Tutorial For Beginners

 

This is easy with ffmpeg:

  • This simply stream copies (re-muxes) the video so there is no unnecessary re-encoding occurring; therefore the quality is preserved and the whole process is quick.
  • Frame rate is by default assumed to be 25. You can change this with the -framerate input option. Typical values are 30000/100125 (default), 24000/100124, or frame rate aliases such as ntscntsc-film, or pal.
  • If you don’t know the frame rate, you can perform the conversion using your best guess as to the frame rate, and then compare the running duration of the output file with the input file running duration and then calculate the actual frame rate. e.g. assume 24 fps and actual running time of 1:00:00 (60 mins) if resulting file has running time of 1:02:30 (62.5 mins) then actual frame rate is 25 fps (24 * 62.5 / 60)

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