BD Rebuilder DVD-5 Conversion

[sonate]

Is there a way to prevent BD rebuilder from trying to re encode any audio at all when using the alternate movie only conversion to DVD 5. I want it to only re-encode the video and rebuild using the original audio and subtitle streams.

[jdobbs]

Is there a way to prevent BD rebuilder from trying to re encode any audio at all when using the alternate movie only conversion to DVD 5. I want it to only re-encode the video and rebuild using the original audio and subtitle streams. That's impossible. There are virtually no original BD streams that are compatible with DVD-5. The bitrates (even the core) are too high.

Note: I moved this post to a thread of its own -- it is clearly not a bug report.

[sonate]

I'm not asking if the bitrates are too high I'm asking if there is a switch to disable it completely. DTS core has already been reencoded to 192K AC3 and integrated into a BD compliant structure, so it really doesn't need to be reencoded. BD reb tried to reencode audio I'm trying to avoid the audio reencode crash and proceed to the rebuild stage.

Associated stream sizes are 3,894,135KB m2v
143,347KB ac3
15,723 sup
Sorry if I re posted the message on the other thread, I hadn't realized it was moved and thought that I might have forgotten to hit the save button.

[JJB]

THIS IS THE NEW THREAD!!!:mad:

[sonate]

THIS IS THE NEW THREAD!!!:mad:

Yes, I realized that, evidently a minute or two too late. Sorry.

[sonate]

BTW, I didn't want to make anyone mad and feel they have to shout.

I'm trying to make a comparison between the Standard def DVD and a DVD from Blu ray of the movie "Micmacs" which in its DVD form was one of the better authored DVD's in terms of picture quality. In the bluray movie I had already replaced the audio streams with the lower resolution AC3 and then ran that through DB rebuilder to compress and convert to dvd-5. Video conversion completed successfully, but crashed when it tried to encode audio which was already low res. I'm just wondering why, as BD rebuilder registered the audio stream as a stereo AC3 during the input dialog. More useful if there is a way to disable audio recoding and use that audio stream when it muxes the compressed .m2v , .ac3 and subtitle so that BD reb can then rebuild that into a DVD video compliant structure.

BTW, I was able to play the resultant .m2v and compare it with the standard DVD and in terms of quality the conversion is several notches higher in quality then the stock DVD.

[JJB]

Sonate, correct me if I am wrong but it appears that you trying to re-author a BR to a DVD to suit your needs and desire. Something I believe BDRD was not designed to do.

BDRB is designed to re-produce a "commercial" BR to to a new source with options that the mass of individuals would use in an every day viewing of a BD or AVCHD end result, not to re-author everyone's whims for their desired output.

I'm sure Jdobbs would tell me to go fly a kite if I asked him a way to add 2 hours of Mongolian drum beats in mono to the new Harry Potter movie.

I believe you would have better luck asking re-authoring questions at at one of the other forums in Doom9 or even videohelp.com on this matter.

Just my 2 cents.

[sonate]

Sonate, correct me if I am wrong but it appears that you trying to re-author a BR to a DVD to suit your needs and desire. Something I believe BDRD was not designed to do.

BDRB is designed to re-produce a "commercial" BR to to a new source with options that the mass of individuals would use in an every day viewing of a BD or AVCHD end result, not to re-author everyone's whims for their desired output.

I'm sure Jdobbs would tell me to go fly a kite if I asked him a way to add 2 hours of Mongolian drum beats in mono to the new Harry Potter movie.

I believe you would have better luck asking re-authoring questions at at one of the other forums in Doom9 or even videohelp.com on this matter.

Just my 2 cents.

Not at all, all I want is a "commercial" standard outcome. And AFAIK producing standard DVD from BD is one of the specific options the program offers. You might be reading more into my want to do a side by side comparison between commercial DVD and BD to DVD but it was being discussed by several of us on the bug forum just a week ago. No whims, no special needs and desires and I seriously wonder why you choose those words. I'm not asking to add 2 hours of mongolian drums or anything of the sort. I'm also trying hard not to provoke anyone enough to get mad at me, as I by now realize this has become a sensitive issue.

I'm asking that if a 192k ac3 track is present at the input, if there is a way to prevent BD rebuilder from reencoding it for an alternate DVD output Which if I'm correct should not be necessary in the first place.

Audio reencodes via BD Reb simply do not work on any machines I have thus far touched. And it's not that I didn't just start from scratch with a complete format and clean install. So I already ran out of options as to how to make this neat app work for the audio recodes as it should.

But I feel the program is so worthwhile for all the rest it does I need to try to find a workaround for my particular issue and that is what I'm doing. I'm sure this is not out of line and maybe consider that reauthoring in the same sense you perceive as my "unique" need or desire is something BD reb was generally designed to do in the first place.

BTW, I have asked on other forums for help, and I have been unanimously sent back here. It's a catch 22. You also might consider that I'm genuinely asking for help with this.

[JJB]

Good Luck Chief.:rolleyes:

[sonate]

Yes, and I can roll my eyes too. Let me run this by you. If the program tries to re-encode a track which is already ac3/192k 2 channel, what would the purpose be for doing that. Now I'll be damned if I outright call it a bug but maybe there is a hidden switch which prevents that from happening? Maybe that really is all I wanted to know. Just a thought.

[SquallMX]

Yes, and I can roll my eyes too. Let me run this by you. If the program tries to re-encode a track which is already ac3/192k 2 channel, what would the purpose be for doing that. Now I'll be damned if I outright call it a bug but maybe there is a hidden switch which prevents that from happening? Maybe that really is all I wanted to know. Just a thought.

I reported that issue as a bug some time ago (re-encoding already DVD compliant audio tracks), aften ac3 encoder is mediocre at best so better to keep the original track!!!

[jdobbs]

I reported that issue as a bug some time ago (re-encoding already DVD compliant audio tracks), aften ac3 encoder is mediocre at best so better to keep the original track!!! And... as I told you then, it ISN'T A BUG. If you recall I explained (as I did in this thread and numerous other places) that since BD uses 640Kbs in virtually all 5.1 and above tracks (and in the core for HD audio), and the maximum for DVD is 448Kbs, the encode had to be redone so it wouldn't violate the DVD standard (and fail to play). BD also has the ability to have above 96Khz sample rates and extended sample sizes which also are illegal in DVD (forcing reencoding necessary).

It just makes sense to reencode it. DVD encoding is not the primary function of BD-RB, it is just an extra feature I threw in for convenience and have already spent way more time on it than I intended. If I start adjusting for every possible exception and nuance I'll end up doing nothing else.

Let's stop revisiting dead issues over-and-over and move forward, ok?

[jdobbs]

Now that I've "vented" -- I'll probably add checks to keep the audio intact if it is legal. :sly: But be warned... with the exception of simple stereo tracks, BD-RB will still be forced to reencode about 99% of the time because the source format doesn't meet DVD specs...

[SquallMX]

Now that I've "vented" -- I'll probably add checks to keep the audio intact if it is legal. :sly: But be warned... with the exception of simple stereo tracks, BD-RB will still be forced to reencode about 99% of the time because the source format doesn't meet DVD specs...

Jdobbs, I agree with you 100%, the thing is, as a native Spanish speaker I can tell you that lots of dubs are only 448 Kbps 5.1 (Fox and Warner are the worst aggressors), thats the reason why is really important for me (and others) to avoid re-compression if possible.

Thanks for your patience, and please don't get mad ;).

[sonate]

I reported that issue as a bug some time ago (re-encoding already DVD compliant audio tracks), aften ac3 encoder is mediocre at best so better to keep the original track!!!

Thank you for verifying what I just saw. Also agree strongly about keeping the original tracks when size and compatibility protocol constraints don't dictate otherwise.

[sonate]

Now that I've "vented" -- I'll probably add checks to keep the audio intact if it is legal. :sly: But be warned... with the exception of simple stereo tracks, BD-RB will still be forced to reencode about 99% of the time because the source format doesn't meet DVD specs...

Very much appreciated, JD. This allows me the option to replace the audio in a few simple operations prior to conversion in BD Reb.

It allows me to bypass the problem I'm having with the audio crashes and enjoy the very high quality of the video recoding.

BTW, I took one of the cleanest and sharpest DVD movies and compared it to the video produced in the BD to DVD conversion. There is no question that the conversion is significantly better. ::):