[mythtv-users] Digital Signal decoder
quecumber256 at comcast.net
quecumber256 at comcast.net
Wed Mar 9 14:57:18 UTC 2011
I would like to view an incoming or recorded digital video in raw digital form, so I can look for specific digital flags.
For example: I'm sure you have seen those stupid pop-up ads that usually appear on the bottom left hand side of your TV when a TV program resumes. I consider this unnecessary noise and would like to filter it out. Therefore, I would like to be able to view the program in raw digital form so I can see if I can spot thoses flags and filter them out.
Thanks,
Quecumber256
----- Original Message -----
From: "Raymond Wagner" <raymond at wagnerrp.com>
To: "Discussion about MythTV" <mythtv-users at mythtv.org>
Sent: Wednesday, March 9, 2011 8:47:22 AM
Subject: Re: [mythtv-users] Digital Signal decoder
On 3/9/2011 09:28, quecumber256 at comcast.net wrote:
>
> I was looking at the MythTV open source PVR, and I was wondering if it
> is possible to view an incoming digital signal in raw digital format.
> To clearify; instead of seeing the program as pictures, I can view it
> as raw data as in Hex or binary format.
>
MythTV is designed to record TV shows. When faced with a digital
stream, it will tell the tuner card to only give it those streams it is
interested in. Once recorded, you can open the file up in 'od' and scan
through it to your hearts desire. If you actually want the whole
unfiltered multiplex straight out of the demod, I'm not certain if tuner
cards are even set up to allow that, but your query would best be
handled by LinuxTV, the project that actually writes and maintains the
tuner drivers.
http://linuxtv.org/lists.php
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