[gstreamer-bugs] [Bug 621663] x264enc: support changing bitrate property on the fly

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Wed Nov 24 08:26:16 PST 2010


https://bugzilla.gnome.org/show_bug.cgi?id=621663
  GStreamer | gst-plugins-ugly | git

Ian Mitchell <mitch_1977muk> changed:

           What    |Removed                     |Added
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                 CC|                            |mitch_1977muk at yahoo.co.uk

--- Comment #14 from Ian Mitchell <mitch_1977muk at yahoo.co.uk> 2010-11-24 16:26:13 UTC ---
Hi,

I wrote a simple test routine in h264 to see if a constant 250kb rate encoded
stream had the same quality and size as a stream with an average rate of
250kb(every 50 frames it changed between 350kb and 150kb to average at 250kb,
there are 600 frames in the file).

The file for the average case had a slightly lower PNSR but much larger file
size.

Has anybody else tried this before?

Thanks,

Ian

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