[Bug 766832] encoder: Add CBR and VBR support in VP9
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Fri Jun 2 06:29:02 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=766832
--- Comment #8 from sreerenj <bsreerenj at gmail.com> ---
Quick note:
Fractional fps should be submitting like this:
/*
* The framerate is specified as a number of frames per second, as a
* fraction. The denominator of the fraction is given in the top half
* (the high two bytes) of the framerate field, and the numerator is
* given in the bottom half (the low two bytes).
*
* That is:
* denominator = framerate >> 16 & 0xffff;
* numerator = framerate & 0xffff;
* fps = numerator / denominator;
*
* For example, if framerate is set to (100 << 16 | 750), this is
* 750 / 100, hence 7.5fps.
*
* If the denominator is zero (the high two bytes are both zero) then
* it takes the value one instead, so the framerate is just the integer
* in the low 2 bytes.
*/
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