Re: [mythtv-users] HDTV to DVD w/o decode and encode

2005-05-15 Thread Greg Grotsky
Rob, how are you transcoding your files down? I've been trying to figure out how to do this with my system using nuvexport. Whenever I try to transcode an HD broadcast to DVD using nuvexport it goes at like 1fps! There are some 9million frames, I calculated it would take several months to make

Re: [mythtv-users] HDTV to DVD w/o decode and encode

2005-05-15 Thread Robert Tsai
On Sun, May 15, 2005 at 02:42:53PM -0600, Greg Grotsky wrote: Rob, how are you transcoding your files down? For transcoding HD: - In the recording profiles, check the automatically transcode checkbox. All the other stuff in the profile is ignored, since no encoding

Re: [mythtv-users] HDTV to DVD w/o decode and encode

2005-05-14 Thread Joe Barnhart
--- Brad Templeton [EMAIL PROTECTED] wrote: While it is possible, in theory, to write a re-encoder that takes advantage of compression hints learned from the original encoding, that sounds like a lot of work for a rare task just to save some CPU, and CPU is cheap in such instances anyway.

Re: [mythtv-users] HDTV to DVD w/o decode and encode

2005-05-14 Thread Robert Tsai
On Sat, May 14, 2005 at 03:18:34AM -0700, Joe Barnhart wrote: While it is possible, in theory, to write a re-encoder that takes advantage of compression hints learned from the original encoding, that sounds like a lot of work for a rare task just to save some CPU, and CPU is cheap in such

Re: [mythtv-users] HDTV to DVD w/o decode and encode

2005-05-13 Thread Brad Templeton
On Wed, May 11, 2005 at 01:45:33AM -0700, Joe Barnhart wrote: Thanks for your response, Scott. I'd really like to see a good description of the MPEG2 format and its variations (PS, ES, TS, etc.). Even if the translator has to decode the macroblocks, wouldn't it still save time if it could

Re: [mythtv-users] HDTV to DVD w/o decode and encode

2005-05-11 Thread Joe Barnhart
--- Scott Alfter [EMAIL PROTECTED] wrote: What you're asking is impossible; MPEG doesn't work that way. The only lossless manipulation of MPEG data that might be possible would be to crop the frame to a smaller size (you would need to crop by multiples of 16 if you were to do this) or

Re: [mythtv-users] HDTV to DVD w/o decode and encode

2005-05-10 Thread Scott Alfter
Joe Barnhart wrote: I'm not alone in my search for a decent tool to archive shows originally broadcast on HDTV onto DVD media for keeping or sharing with others. For example, I'm not an Elvis fan, but my friend is and I want to give her a DVD of the recent broadcast she missed. The show is about