[mythtv] Myth .nuv MPEG4 format portability [Possible Breakthrough]

Greg.Froese at Federated.CA Greg.Froese at Federated.CA
Tue Mar 4 13:39:59 EST 2003


I have successfully copied both the video and audio using mencoder, and I 
can view the resulting video in windows, however, I cannot seek in the 
video.  If I try to seek, the seek bar moves appropriately and so does the 
sound, but the picture freezes from the last displayed image and stays 
that way until I reload the file.

are others able to seek on these videos in windows?

I've tried divfix and virtual dub to recreate the index with no success.
gf





Matt Zimmerman <mdz at debian.org>
Sent by: mythtv-dev-bounces at snowman.net
03/04/2003 01:29 PM
Please respond to Development of mythtv

 
        To:     mythtv-dev at snowman.net
        cc: 
        Subject:        Re: [mythtv] Myth .nuv MPEG4 format portability [Possible Breakthrough]


On Tue, Mar 04, 2003 at 06:43:49AM -0600, Rob Snow wrote:

> I was actually trying to create a small .avi file for distribution to
> others who follow the lists to get a survey of who could/couldn't play 
the
> file to see if I could find any commonality.  Since it was just a 
go/no-go
> test, I was trying to make it really small.  (video bitrate of 100 
passed
> to lavc) and noticed that the audio was as large or larger than the 
video
> track...simple fix, I downsampled it by removing the -oac copy option 
and
> replacing it with a -oac mp3lame.  When I encoded this it triggered a
> different set of "Skipping frame" messages that I had seen before.  This
> turned on some type of light in my head so I tried to play it under
> Windows...shazzam, it worked...something is definately different. 

As I have said here many times, it does not work correctly to resample the
video and not the audio (or vice versa).  If you re-encode one, you must
re-encode the other.

Of course, copying both should work fine (and does for some folks here). I
suspect it's a software/configuration problem on the Windows side that
prevents it from working.

-- 
 - mdz
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