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A couple of errors

#1
VRD 486

The first involves an edit job. There are two files involved with the edit, both contains back-to-back programs. The first edit job played back just fine.

But the second job created a file that it said had zero errors. It also has the correct number of video frames, 44 minutes and some change.

Pull the edited file back into VRD and it is all over but the shouting. VRD now thinks that the file is OVER three hours long and refuses to navigate anywhere except the starting area and a little ways into the file.

Ran the just completed VRD file thru QuickFix and it displayed the exact same results as the original edit and reports the same very high length size.

The file is a total loss. Unfortunately I didn't verify the file before I threw away the originals.

How can VRD create a MPG file that it thinks is good, but is damaged beyond repair, where QuickFix thinks there is nothing to fix?

Second problem. I'm not sure it does this with every file, but while checking the re-edit of the above, using different files recorded on a different night, dragging the coarse cusor to near the end of the file results in the cursor jumping back several seconds. The only way to get it to stay is to go to the very end and then drag backwards. Drag it in from the left and it just wants to rubber band back to a location.
 
#2
Updated info:

The cursor not liking the end of a file is happening on all files that I load. I even got seek errors, where there are really none. I can play right thru the areas it is complaining about.

I never got 484, so I don't know if it was happening with that version, but 486 has definately developed problems with rubber banding at the end of a file and creating files that it thinks are right but in reality refuse to play nice at all.
 
#6
Anole said:
I assume you didn't QSF it before the edit, and an edit/save is as good as QSFing...
Correct. I only QSF a file if it refuses to edit. And that doesn't always work when there is a horrible section the VRD doesn't like.

In this case editing went without a hitch. The resulting file not so good.

Because the Veronica Mars episodes are being repeated the following week (last show aired on Tuesday is the first show aired the following Tuesday), I just re-edited it using a whole new file.

But, as I indicated, I had no problem with the first hour. That edited fine and works fine, except for attempting to place the coarse cursor near the end of a file.
 

Danr

Administrator
Staff member
#7
If you get a problem where VRD looks like it works on your video, but won't playback the output, then save a clip for us. We'd like this for two reasons:

1) See where the problem is.

2) We are implementing a new MPEG decoder and would like some bad data to check its error recovery capabilities.
 
#8
random thoughts

MrVideo said:
Correct. I only QSF a file if it refuses to edit.
And that doesn't always work when there is a horrible section the VRD doesn't like.
I had one with overflow errors (reported elsewhere) and couldn't even QSF it! :)
I did beat that sucker into submission, with some good advice from the forum.

Yea, on series where I'm trying to record all the episodes, I record twice, too.
And I've completed the VM series, seasons one & two, and even printed nice art on the media. :)
I also generally test-view my DVD before deleting source material, though the authoring step (DVD Labs) generally bitches about problems, so I'm rarely surprised with bad shows.
My bigger problem is getting all the seconds at the beginning of the show, or the end, if it runs long. :(

As for your problem... I had been having my own troubles for months, and recently sent Dan a copy of my registry, where he located a setting I had that caused strange operation of QSF/VRD.
But my problem was repeatable (at least for me), meaning that if I had a file that failed, it failed every time... not that every file failed.
I mention this in hopes it might spark an idea for solving your problem.

But, you'll first need a file that fails....
 
Last edited:
#9
DanR said:
If you get a problem where VRD looks like it works on your video, but won't playback the output, then save a clip for us. We'd like this for two reasons:

1) See where the problem is.

2) We are implementing a new MPEG decoder and would like some bad data to check its error recovery capabilities.
I'll see what I can the next time it happens. It is tough to extract portions of a file that won't let you get there. In this case the complete file would have needed three DVDs in order to send it to you.
 
#10
Anole said:
Yea, on series where I'm trying to record all the episodes, I record twice, too.
And I've completed the VM series, seasons one & two, and even printed nice art on the media. :)
There is kind-of a double recording going on with the current airings of VM. As you may have noticed, there are two episodes of VM airing each Tuesday. The first show is what aired 2nd the previous week. So, over a two week period, a single episode has four airings - two east/central and two pacific.

Also, my recordings are HD at 30-35 Mbps. For obvious reasons they are not being converted to 480i DVD. A single VM episode will take three DVD-ROMs to save it. Where is the 50 GB Blu-Ray DVD-ROM when you really need it :D

I also generally test-view my DVD before deleting source material, though the authoring step (DVD Labs) generally bitches about problems, so I'm rarely surprised with bad shows.
My bigger problem is getting all the seconds at the beginning of the show, or the end, if it runs long. :(
What universe are you living in? Shows don't run long. Why would you miss material at the beginning of a show?

This is the first time where a edit went to completion and reported zero errors, yet when I went to look at it, it just wouldn't work.

It was because of disc space that I had to delete the original files. I was doing editing after getting back from vacation, so disc space was tight. A single 2hr recording takes 26 GB. I had four of them :)

As for your problem... I had been having my own troubles for months, and recently sent Dan a copy of my registry, where he located a setting I had that caused strange operation of QSF/VRD.
But my problem was repeatable (at least for me), meaning that if I had a file that failed, it failed every time... not that every file failed.
I mention this in hopes it might spark an idea for solving your problem.

But, you'll first need a file that fails....
Well, right now any file I open has a problem at the end of the file. Right now I am capturing the MTV VMAs in HD, so I can't do anything on the computer while that is happening. It too is a high bitrate recordings, so we'll see what happens with that file.
 

Danr

Administrator
Staff member
#11
I'll see what I can the next time it happens. It is tough to extract portions of a file that won't let you get there. In this case the complete file would have needed three DVDs in order to send it to you.
You can always use Tools>Trim and Copy to extract sections based on physical file offsets.
 
#12
DanR said:
You can always use Tools>Trim and Copy to extract sections based on physical file offsets.
Ya, there is that.

From what I can see right now, the MTV HD capture is working. At least at first I was able to edit and keep the performances, of which I only needed to audio for a local radio station. I just did an edit of the show and that is saving now. File size will be near 60 GB.

Saving that will require at least 15 DVDs :D
 
#13
Pattern Discovered?

I think I've discovered a pattern pertaining the coarse cursor not liking to be dragged near the end of a file.

While looking at previously edited Veronica Mars files, I've discovered that the problem is happening with all of them. Hell, at one point, in one of the the cursor jumped all the way back to the 18 minute area, from the 42 minute area. While all are being displayed with the current version of VRD, several versions actually edited the previous shows.

Last night's MTV VMAs do not have the problem. Then it hit me, so I brought in several Ghost Whisperer files. They too had the problem.

What is different about the VM/GW files, compared to others? CBS/UPN uses an encoder that doesn't have any B frames, only I and P frames. I noticed that dragging the coarse cursor could result in B frames being used as a stopping point, though it will use I frames when it can. With the files that I am having trouble with, there are no B frames, so it appears to be struggling when the cursor is dragged near the end of a file, even though there are lots of bytes of the file left before the end is reached.
 
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