Re: [mythtv-users] Continuation of quest - MPEG2-MPEG2 with DVB data

2005-01-25 Thread Cory Papenfuss
	I'm knee-deep in the quest.  I'm currently trying to find a sort 
of MPEG2 stream analyzer, but with very minimal success.  I'm trying to 
enlist the help of a local coding guru to maybe hack up some existing 
tools into one.  Here's what I've found:

replex: Very nice at cleaning up MPEG2 files, reordering frames, and 
possibly keeping/fixing PTS issues

GOPchop: Still a bit broke
gopdit:  See above, but less so
vk_tools: Moldy, old, and slightly broken, but much closer to an analyzer
I'm thinking maybe something like an ethernet packet sniffer... look at 
*all* parts of the MPEG stream.  It'd be good to be able to select by 
PIDs, stream types, NAV packets, etc, etc... all the goodies that are 
often overlooked in an MPEG2 file

Anyone know of anything like this?  It could certainly help figure out 
some of the seemingly random issues in all the different types of MPEG2 
out there.

-Cory
On Tue, 25 Jan 2005, Steve Christall wrote:
Can anyone out there help me to understand the difference between a PVR350 
MPEG2 recording and a Nova-T DVB MPEG2 recording?

I am trying to get avidemux to work with the DVB files so I can cut out ads; 
currently it barfs

-snip--
Auto adding:
file 1: /myth/tv/2004_20050124230500_20050124235000.nuv, size: 1440265985
file: /myth/tv/2004_20050124230500_20050124235001.nuv not found.
found 1 files
Done
unrecognized stream
-snip--
People are talking  talking about MPEG2 TS and MPEG2 PS.
Also I see info about replex, but I haven't managed to work out what to do 
with it.

Anyone out there help?
Cheers
Steve
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*
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student   *
* Virginia Polytechnic Institute and State University   *
*
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Re: [mythtv-users] Continuation of quest - MPEG2-MPEG2 with DVB data

2005-01-25 Thread Joe Barnhart

--- Cory Papenfuss [EMAIL PROTECTED] wrote:

   I'm knee-deep in the quest.  I'm currently trying
 to find a sort 
 of MPEG2 stream analyzer, but with very minimal
 success.  I'm trying to 
 enlist the help of a local coding guru to maybe hack
 up some existing 
 tools into one.  Here's what I've found:
 
 replex: Very nice at cleaning up MPEG2 files,
 reordering frames, and 
 possibly keeping/fixing PTS issues
 
 GOPchop: Still a bit broke
 gopdit:  See above, but less so
 vk_tools: Moldy, old, and slightly broken, but much
 closer to an analyzer
 
 I'm thinking maybe something like an ethernet packet
 sniffer... look at 
 *all* parts of the MPEG stream.  It'd be good to be
 able to select by 
 PIDs, stream types, NAV packets, etc, etc... all the
 goodies that are 
 often overlooked in an MPEG2 file
 
 Anyone know of anything like this?  It could
 certainly help figure out 
 some of the seemingly random issues in all the
 different types of MPEG2 
 out there.
 
 -Cory
 
 On Tue, 25 Jan 2005, Steve Christall wrote:
 
  Can anyone out there help me to understand the
 difference between a PVR350 
  MPEG2 recording and a Nova-T DVB MPEG2 recording?
 
  I am trying to get avidemux to work with the DVB
 files so I can cut out ads; 
  currently it barfs
 
  -snip--
  Auto adding:
  file 1:
 /myth/tv/2004_20050124230500_20050124235000.nuv,
 size: 1440265985
  file:
 /myth/tv/2004_20050124230500_20050124235001.nuv not
 found.
  found 1 files
  Done
 
  unrecognized stream
  -snip--
 
  People are talking  talking about MPEG2 TS and
 MPEG2 PS.
  Also I see info about replex, but I haven't
 managed to work out what to do 
  with it.
 
  Anyone out there help?
 
  Cheers
  Steve
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I suggest you guys have a read of this topic:

http://knoppmythwiki.homelinux.org/index.php?page=CrudeMPEG2cutForDVB

There are some who disbelieve it works, but there are
others who claim it does.  I've not tried it myself,
but probably will soon.  HDTV streams, like DVB, are MPEG2-TS.



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