[mythtv-users] Support for HDTC-2US? (HDHomeRuns Transcode Model?)

[Ian Evans]

On Tue, Jan 7, 2014 at 1:16 PM, Gary Buhrmaster
<gary.buhrmaster at gmail.com>wrote:

> On Tue, Jan 7, 2014 at 4:38 PM, Eric Sharkey <eric at lisaneric.org> wrote:
> > On Mon, Jan 6, 2014 at 4:08 PM, Raymond Wagner <raymond at wagnerrp.com>
> wrote:
> ....
> >> Which again depends on MythTV being updated in order to tell the device
> to
> >> (or to not, if that's the case) transcode the stream.
> >
> > Unless this option is sticky.  (e.g. if it's possible for the user to
> > set the tuner to H.264 mode or not using hdhomerun_config and MythTV
> > would just work with whatever setting the user configured the tuner to
> > use)
>
> There was a suggestion by someone that the new devices *might*
> allow persistence transcode (and quality) specification.  But the
> docs (and any new SDK/API) do not yet exist.  My guess is that
> SD is busy with CES, and one might see something being posted
> sometime after that event (and the staff decompression) occurs
> now that the device may actually be shipping.  There is always the
> chance that one of the news sites will actually review the device
> at CES (although, at least in recent memory, they are no longer
> providing real details, mostly "fluff" pieces).
>
> >> MythTV is not
> >> currently aware of such abilities on HDHomeRuns, and I cannot find any
> >> documentation on how to control such abilities on the Silicon Dust
> website.
> >
> > Me neither, but MythTV is explicitly listed as compatible with this
> > tuner in their marketing material.  I would take them at their word
> > that it works.
>
> As long as one does not take advantage of any advanced features
> (such as transcoding :-) one would expect the new model to be
> supported as before.  Note that (at least at intro) SD stated that
> the Windows BDA driver would not support transcoding specification
> (unknown if that is a targeted future feature), and that the new
> gen devices would work the same as the existing ones.  That
> bodes well for the device working with MythTV (as before).
>
> Whether (and when) the new capabilities will be useful to MythTV
> will continue to be unknowable until SD provides updates to their
> docs/SDK/API.  Any conjecture on this list is just that, conjecture
> (and if you want other conjectures, the SD forums have quite a few
> too).
> _______________________________________________
>
>
> From SD employee JasonL:

"Transcoding gets turned on at the time when the channel is tuned. For
programs using the BDA drivers in WIndows, the transcode level will be set
in HDHomeRun Setup and activated when the application sets the PID or
program filter.

For programs using libhdhomerun, it will require updates to the program to
enable this. We have been in contact with the developers of HomeRunTV and
InstaTV so they can make the necessary changes to their apps. MythTV will
require a patch and that is on our todo list."
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