[mythtv-users] Partly OT: Converting HD content in MPEG2-TS to DVD compliant MPEG2
normdugas at yahoo.ca
Fri Mar 10 20:04:56 UTC 2006
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.
>>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
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.
>>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.
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