User:StasFomin/AviSynth/Bugs/FFMpeg ConsoleProgress Start

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Last windows builds of ffmpeg have following issue:

  • If ffmpeg run "directly" ("ffmpeg -i video.avi -f null NUL") — all OK, "progress line" continuously updated (probably by backspaces or carriage returns).
  • If ffmpeg run by "start" command ("start ffmpeg -i video.avi -f null NUL"): "progress line" not cleaned and repeated endlessly.

Old builds (for example r22716) have no such issue.

See small screenproof:

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