[mythtv-users] why does the transcoding profile ask for resolution?

[Arlo]

Thanks for the reply. Does this mean that if you transcode you have no need 
for the other profiles (high-quality, low-quality and default). 
If the final resolution is determined by the transcode profile, why would I 
use high or low quality. 
It seems to me that you should just tell myth to transcode or not, with no 
need for the Transcode profile. If you say transcode it would force your 
record format to RTjpeg and your transcoded format to MPEG4, It would keep 
the same resolution, quality, and sound settings.
Does that make sense?

Before you clarifiled, I thought that maybe the transcode profile was only 
used by MPEG2 hardware encoders.

Thanks again.
-arlo- 




On Wednesday 29 October 2003 9:52 am, Joseph A. Caputo wrote:
> On Tuesday 28 October 2003 20:26, Arlo wrote:
> > In myth 0.12 under [Setup]->[TV Settings]->[Recording Profiles] you
> > can setup "Transcoders" the RTjpeg/MPEG4 profile has some options
> > that I find confusing.
> >
> > Why can I set the resolution under the transcoder? I thought the
> > resolution was already set via the "Software Encoders" profile
> > (High-quality, Low-quality, default)
>
> Well, you might want to transcode from 640x480 to 320x240...
>
> > Why can I select RTjpeg at the transcode format? Would you transcode
> > from MPEG4 to RTjpeg.
>
> I can't think of a reason why anyone would *want* to, but the option is
> there, nonetheless.  It's all about choice!
>
> > Why can I tell the trancode profile (in this case RTjpeg/MPEG4) to
> > "Automaticly transcode after recording"? would this not create an
> > infinite loop. I understand telling the Default or High-Quality
> > profile to "[X]Automaticly transcode after recording" but why is this
> > an option under the transcode profile?
>
> Good question... I believe this setting is ignored in the transcoding
> process, or as you say it would cause an infinite loop (though I really
> can't say for sure as I don't do much transcoding).  Should probably be
> suppressed in the UI for the transcoding profiles anyway, though.
>
> -JAC
>
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