[mythtv-users] Partly OT: Converting HD content in MPEG2-TS to DVD compliant MPEG2

[N Dugas]

Steven Adeff wrote:
> On 3/9/06, N Dugas <normdugas at yahoo.ca> wrote:
> 
>>Steven Adeff wrote:
>>
>>>On 3/9/06, N Dugas <normdugas at yahoo.ca> wrote:
>>>
>>>
>>>>I'm looking to see how other people convert their HD content to DVD
>>>>compliant mpeg2.  I've tried using nuvexport with both transcode and
>>>>ffmpeg but both do not seem to work.  I get rolling colors.  The
>>>>mencoder option with nuvexport does not even list a DVD option.  I can
>>>>however export to DVD regular SD content.  I have some Austin City
>>>>Limits shows in HD I'd like to put on DVD.
>>>>
>>>>avidemux2 will not open MPEG2-TS files.
>>>
>>>
>>>yes it will. I do it often.
>>>
>>>
>>>
>>>>Captures are done over firewire from a Motorola DCT-6412.
>>>>
>>>>Any help/pointers are appreciated.
>>>
>>>
>>>I use mencoder, its more of a hassle but since its time based and not
>>>frame based (like avidemux, or I might have this backwards, I
>>>forget...) it works much better. You have to manually setup the
>>>filtering etc. depending on your source, though for the most part
>>>1080i is all the same and 720p is all the same, so that makes it easy,
>>>I've created scripts for the encodes I do (many "hr.hdtv" and some
>>>1080p or 720p encodes).
>>>
>>>The mencoder online manual talks about encoding to DVD so start there.
>>>http://www.mplayerhq.hu
>>>
>>>--
>>>Steve
>>
>>Did you have to do anything special to open MPEG2-TS files with
>>avidemux2?  I try to open the .nuv file and get some errors (any .nuv,
>>regardless if it's HD or SD).  I'll post the errors when I get home but
>>basically it says that it can't open the file.
> 
> 
> it's the nuv container, get a non-processed mpeg2 file out of MythTV
> (ie don't transcode it, though you can use the mpeg2 lossless cutting
> feature)..
> 
I keep forgetting about this.  Thanks for pointing it out.
> 
> 
>>I've triend mencoder using the example DVD command but I end up with a
>>lot of skipped frames (1 to 2 every second) and the resulting video
>>seems jerky.  I haven't spent a lot of time yet boning up on the
>>gazillion (is that a number?) suboptions.  I was overwhelmed by the volume.
> 
> 
> it all depends on the filter your using. Each frame progression format
> will have a different filter combination to make it work properly. As
> well, many HD stations are using really strange frame ordering that no
> current filter can properly process to 24fps video to which you would
> have to encode each frame in conversions.
> 
> 
>>Thanks again Steve.  You are a wealth of information.  Thanks to you, I
>>was able to get my DCT6412 working at almost 100% (I have to screw
>>around with my setup for a while if the PC or the DCT get powered off).
>>  Just out of curiosity, which distro do you run Myth on?
> 
> 
> I install with Kanotix and use the regular Debian repositories for updates.
> 
Gentoo here.
> 
>>Next step, which I hope will be this weekend, is going to .19.  I
>>haven't done so yet due to time constraints.
> 
> 
> backup yourdatabase, the transition isn't always smooth.
Thanks for the tip.  I had planned on doing so just in case.



__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com