[mythtv-users] Leanfront Skipping/Buffering

[glen]

On Mon, 2022-12-12 at 10:14 -0500, Scott Simpson wrote:
> On 12/11/2022 5:33 PM, Peter Bennett wrote:
> > 
> > The buffering in leanfront is handled inside Exoplayer, which is a 
> > player code base from Google. I don't know if buffering is the real
> > problem. Part of the problem is the necessity to search for the new
> > place in the video. Exoplayer uses a binary search to find the
> > place. 
> > This could be inefficient. MythTV uses a seek table on the database
> > which gives the location and time of every keyframe in the
> > recording. 
> > I already attempted to change the Exoplayer code to use the seek 
> > table, but there was little improvement and it caused some
> > problems, 
> > so I disabled that code.
> > 
> I record through HDHomeRun Prime and through another external tuner.
> My 
> HDHomeRun Prime videos seek forward just fine but the ones from my
> other 
> tuner don't (it doesn't seem to know the correct sizes). However,
> under 
> Leanfront, I can jump forward and backward just fine and it is
> probably 
> due to the binary search algorithm in use. I need to re-transcode
> those 
> videos from the external tuner but I haven't got around to it yet.
> 
> One feature I'd like to see in Leanfront is to be able to set the 
> viewing speed to all videos as a global option. I like to watch my 
> videos at 1.7x the speed and I have to re-adjust it whenever I watch
> it.
> 
> Also, is there some reason Leanfront only shows the latest video in a
> program and not the ones before it (with the same title)?
> 
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what you are getting from your hdhr prime is very likely all h264.
except for the retransmission of broadcast over the air. when i had
spectrum they switched over to primarily h264, and the file sizes
became on average 2.5 gig / hour. on those leanfront has no problems
seeking. 

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