[mythtv] Wrong time of recordings when using PVR 350
Jay R. Ashworth
jra at baylink.com
Sat Oct 2 23:25:18 EDT 2004
On Sat, Oct 02, 2004 at 10:57:05PM -0400, Isaac Richards wrote:
> On Saturday 02 October 2004 08:50 pm, Jay R. Ashworth wrote:
> > On Fri, Oct 01, 2004 at 03:37:16PM -0400, Isaac Richards wrote:
> > > > Not sure where this belongs, but I think we figured out why a hour hd
> > > > recording is showing as ~51 minutes in myth. With roughly 40 minutes of
> > > > show at 24fps (hd) and 20 minutes of commercials at 30fps (sd) I get
> > > > about 52 minutes if the calculation of the recording length is based on
> > > > the fps (i think 30) reported in the recording. 40mins * (24fps/30fps)
> > > > + 20mins (30fps/30fps) = 52 minutes. I also have problems jumping 30
> > > > seconds ff or rw on these recordings. The time changes by 10 seconds
> > > > but the video is only changing by a second at the most.
> > >
> > > It does indeed calculate length assuming a constant frame rate.
> > "... which quantity originates with the capture card driver through the
> > API"... ?
> Different issue here, actually - hdtv can change framerate mid-playback, but
> analog recordings can't.
Hmmm... does that mean that the frame rate info is carried in the
metadata for each frame? (Or is it as microsecond time stamps?)
Jay R. Ashworth jra at baylink.com
Designer Baylink RFC 2100
Ashworth & Associates The Things I Think '87 e24
St Petersburg FL USA http://baylink.pitas.com +1 727 647 1274
"You know: I'm a fan of photosynthesis as much as the next guy,
but if God merely wanted us to smell the flowers, he wouldn't
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