[FFmpeg-user] ffmpeg stdout write performance on windows (buffering request)

Roger Pack rogerdpack2 at gmail.com
Thu Aug 16 20:38:44 CEST 2012

> At 1280x544 @ 24fps, using RGB8 as output means we're moving around
> 48MB/sec. I suspect that ffmpeg is writing relatively small batches of data
> to stdout. As said, it works perfectly fine on Linux, but unfortunately
> we're not as lucky on Windows.

I've heard of this before, so you're probably right.
Just how to buffer the output I have no idea.
In the meantime you could try writing to a windows named pipe, or to a
file.  Or submit a patch :)

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