BD-Rebuiler question. [Archive]

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Big Vern

6th January 2010, 12:06

jdobbs

6th January 2010, 15:45

I know the high speed option [BD-25] or 1 pass [CRF] is very good for movie only encodes, but what about doing a full disc, extras, etc.
Is high speed or 1 pass OK for that, or should 2 passes be used?

TIAYes, especially now that I've added CABAC to the command line (as well as B_FRAMES in v0.31.06). BD-25 has a lot of space -- and even in X264 even 1 pass ABR does an excellent job at those bitrates.

I personally use the "Good (Faster)" and "One Pass (ABR)" settings for my BD-25 encodes.

DVDIT

7th January 2010, 20:23

I personally use the "Good (Faster)" and "One Pass (ABR)" settings for my BD-25 encodes.

jdobbs,

How does this differ from the "High-Speed Option (BD-25)" settings? Does the "High-Speed Option (BD-25)" settings go over two passes and therefore does a better job overall? I am trying to find the best quality (i.e. indistinguishable from the original) for Full backups (TV Shows) on BD-25 discs with keep HD audio enabled unless enabling HD audio would scarifies image quality of the movie. Your recommendations, please? Thank you.

jdobbs

7th January 2010, 20:43

jdobbs,

How does this differ from the "High-Speed Option (BD-25)" settings? Does the "High-Speed Option (BD-25)" settings go over two passes and therefore does a better job overall? I am trying to find the best quality (i.e. indistinguishable from the original) for Full backups (TV Shows) on BD-25 discs with keep HD audio enabled unless enabling HD audio would scarifies image quality of the movie. Your recommendations, please? Thank you. If you want to get the highest reasonable quality possible -- then use "High Quality (Default)" and make sure both of the One-Pass options are unchecked. That will do a two-pass encode using high-quality settings.

Truthfully that setting is massive overkill for BD-25 in most cases -- but if quality is your intent and encode time doesn't matter -- use that one. You could also use "Highest Quality" if you are truly anal-retentive -- but be prepared to wait a very, very long time for what in most cases isn't a noticable improvement.

"High-Speed Option (BD-25)" is the lowest quality mode, that's why it is only available on BD-25. Speed of encode and output quality are typically inversely proportional. But with the high bitrates associated with BD-25 backups, in most cases "High-Speed" makes an excellent backup anyway. Keeping HD audio can sometimes make it a little questionable, though.

Keep an eye on HD audio tracks when you choose to keep them. If there are several of them you may end up using more space for audio than for video.

DVDIT

7th January 2010, 21:22

If you want to get the highest reasonable quality possible -- then use "High Quality (Default)" and make sure both of the One-Pass options are unchecked. That will do a two-pass encode using high-quality settings.

Truthfully that setting is massive overkill for BD-25 in most cases -- but if quality is your intent and encode time doesn't matter -- use that one. You could also use "Highest Quality" if you are truly anal-retentive -- but be prepared to wait a very, very long time for what in most cases isn't a noticable improvement.

"High-Speed Option (BD-25)" is the lowest quality mode, that's why it is only available on BD-25. Speed of encode and output quality are typically inversely proportional. But with the high bitrates associated with BD-25 backups, in most cases "High-Speed" makes an excellent backup anyway. Keeping HD audio can sometimes make it a little questionable, though.

Keep an eye on HD audio tracks when you choose to keep them. If there are several of them you may end up using more space for audio than for video.

Thank you for the detailed reply. I tried to do a backup of Fringe Season 1, full back -up (VC-1) to BD-25 (high quality setting) last night and after 12 hours, the backup job was only 53 % done and I had to abort it because I just can't see myself going through that again. It usually takes me only 5-7 hours to do BD-9 movie only backup. It's good to know the High speed option does an excellent backup even on full movie backups. I don't mind not keeping HD audio. I can hardly tell the difference from AC3 anyway. I am running Fringe-full backup mode again now with High-speed option to BD-25 and two pass. I will post my finding later.

jdobbs

8th January 2010, 00:04

Thank you for the detailed reply. I tried to do a backup of Fringe Season 1, full back -up (VC-1) to BD-25 (high quality setting) last night and after 12 hours, the backup job was only 53 % done and I had to abort it because I just can't see myself going through that again. It usually takes me only 5-7 hours to do BD-9 movie only backup. It's good to know the High speed option does an excellent backup even on full movie backups. I don't mind not keeping HD audio. I can hardly tell the difference from AC3 anyway. I am running Fringe-full backup mode again now with High-speed option to BD-25 and two pass. I will post my finding later.The "High Speed" option never does two passes, it's locked at one... I'd recommend you use the "Good (Faster)" setting if you want to do two passes. You'll find it is pretty fast also and has a little better quality than "High Speed".

DVDIT

8th January 2010, 00:11

The "High Speed" option never does two passes, it's locked at one... I'd recommend you use the "Good (Faster)" setting if you want to do two passes. You'll find it is pretty fast also and has a little better quality than "High Speed".

I am looking at the status reporting now and it says,
"reencoding: VID_00001, Pass 2 of 2". High speed Option is checked. Am I missing something?

jdobbs

8th January 2010, 00:15

I am looking at the status reporting now and it says,
"reencoding: VID_00001, Pass 2 of 2". High speed Option is checked. Am I missing something? Yeah, it's lying. I put that setting in a long time ago as a test mode (it originally wasn't visible from the menu). It skips over the first pass and goes straight to pass 2.

DVDIT

8th January 2010, 00:18

Yeah, it's lying. I put that setting in a long time ago as a test mode (it originally wasn't visible from the menu). It skips over the first pass and goes straight to pass 2.

LOL! I just checked the start time for the second encode and it is right after the first.

Big Vern

8th January 2010, 12:02

Yes, especially now that I've added CABAC to the command line (as well as B_FRAMES in v0.31.06). BD-25 has a lot of space -- and even in X264 even 1 pass ABR does an excellent job at those bitrates.

I personally use the "Good (Faster)" and "One Pass (ABR)" settings for my BD-25 encodes.

Thanks for the info. As soon as this effing snow clears and I can get back to work, I'll be donating to the cause.

DVDIT

8th January 2010, 13:52

If you want to get the highest reasonable quality possible -- then use "High Quality (Default)" and make sure both of the One-Pass options are unchecked. That will do a two-pass encode using high-quality settings.

Truthfully that setting is massive overkill for BD-25 in most cases -- but if quality is your intent and encode time doesn't matter -- use that one. You could also use "Highest Quality" if you are truly anal-retentive -- but be prepared to wait a very, very long time for what in most cases isn't a noticable improvement.

"High-Speed Option (BD-25)" is the lowest quality mode, that's why it is only available on BD-25. Speed of encode and output quality are typically inversely proportional. But with the high bitrates associated with BD-25 backups, in most cases "High-Speed" makes an excellent backup anyway. Keeping HD audio can sometimes make it a little questionable, though.

Keep an eye on HD audio tracks when you choose to keep them. If there are several of them you may end up using more space for audio than for video.

Finished my backup of Fringe: season disc (VC-1) to BD-25, High speed option using v31.06 and the backup is indistinguishable to the original played back on a 92" Da-lite screen and a Sharp 720p projector using my Pio BDP-51FD. Auto burn failed @ 10% on my new Pioneer BDR-205 and Verbatim BD-R 25 GB model # 96769. I burned the disc manually again on the same drive and media and burned fine. This is the first time I used a BD-25 media. Hopefully I won't get have another burn failure.

jdobbs, is there any way to pause the encoding to resume at a later time? Again, thank you for this awesome software. Nice work!

jdobbs

8th January 2010, 14:02

Finished my backup of Fringe: season disc (VC-1) to BD-25, High speed option using v31.06 and the backup is indistinguishable to the original played back on a 92" Da-lite screen and a Sharp 720p projector using my Pio BDP-51FD. Auto burn failed @ 10% on my new Pioneer BDR-205 and Verbatim BD-R 25 GB model # 96769. I burned the disc manually again on the same drive and media and burned fine. This is the first time I used a BD-25 media. Hopefully I won't get have another burn failure.

jdobbs, is there any way to pause the encoding to resume at a later time? Again, thank you for this awesome software. Nice work! Yes, you can pause by pushing "Abort". When you start again you will have the opportunity to pick up where you left off. One warning, though. If you are in the middle of an encode pass, it has to start again at the beginning of that pass -- which could mean a couple of hours lost.

mikenadia

8th January 2010, 14:31

jdobbs

8th January 2010, 15:49

I am not using BD but handbrake tried to do something with partial encode with x264 ( I am not sure it could be applied to an Abort situation). Probably still frameseeking issues but the situation may evolve.
http://forum.handbrake.fr/viewtopic.php?f=4&t=5498&start=25 My personal experience is that if you select the "Idle" priority under the ENCODER SETTINGS menu (in BD-RB), there normally isn't a reason to pause (you must select it before the encode begins, btw). I leave it set all the time. Just minimize the encode, and all other tasks will have priority. The exception is when demuxing audio/video, as that is a disc intensive activity -- but at that point you can just "abort" without much loss of invested time.