[mythtv-users] Transcode Mpeg2 stream from firewire to smallerMpeg2 stream

[Mark Rizzo]

I have not seen any slow-down issues while watching recorded TV via
firewire but most of my shows I have recorded so far were in the
non-digital range.  I will record some shows in the higher channels and
see what happens.

Mark

-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Alex Brekken
Sent: Wednesday, August 24, 2005 5:37 PM
To: Discussion about mythtv
Subject: Re: [mythtv-users] Transcode Mpeg2 stream from firewire to
smallerMpeg2 stream

Mark, I don't have a solution for you but I'm wondering what issues
you're having with the Firewire-made recordings?  I'm having issues
with playback of Firewire recordings where the video "slows down"
every couple of seconds.  It only happens on digital channels (though
not all digital channels...) and I've wondered if it's a file issue
too as these same recordings playback just fine using mplayer from a
command line.    Just curious, thanks.

Alex

On 8/23/05, Mark Rizzo <mrizzo at perpetual.com> wrote:
>  
>  
> 
> Greetings, 
> 
> I understand that when I record from my Motorola cable box via
firewire that
> MythTV just records the raw mpeg2 stream and places a .nuv extension
on the
> file.  Obviously these files are fairly large.  I have played with
> transcoding to rtjpeg and mpeg4 using the native options inside Myth,
> however I am not that happy with the results. 
> 
>   
> 
> I would like to run an external job to transcode the mpeg2 (.nuv) file
to a
> smaller mpeg2.  I want to still keep the basic format so that it can
stay as
> a .nuv file that is really just an mpeg2 file.  I know MythTV cannot
do this
> natively so I am willing to use ffmpeg or transcode (or combination).
I
> don't want to use Mplayer to play once I transcode. 
> 
>   
> 
> Ffmpeg and Transcode have a billion options.  Can someone help me with
the
> commands to convert an mpeg2 file to a more highly compressed mpeg2
file?  I
> can handle renaming back to .nuv or whatever is necessary as script. 
> 
>   
> 
> Thanks in advance, 
> 
> Mark Rizzo 
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> 
> 
>
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