[mythtv-users] BBCHD interval of I-frames
Brian Wood
beww at beww.org
Sat Nov 29 17:28:30 UTC 2008
On Saturday 29 November 2008 10:16:57 belcampo wrote:
> I would like to transcode BBCHD stuff from satellite on 6 cores on 3
> machines. Therefore I need to know where, at how much time from the
> beginning the next I-frame is. MPEG2 has one every 12 frames, is this
> the same for h.264 in the MPEGTS-container or different ?
>
> Any help greatly appreciated.
MPEG2 *might* have an I frame every 12 frames, that is up to the encoder. It
could theoretically have an I frame every frame, though that would not result
in much compression.
Be careful about making assumptions about these things, there is no guarantee
they will be constant.
--
beww
beww at beww.org
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