Log in

View Full Version : Need help editing a movie


DustBunny
25th February 2008, 17:08
I'm struggling with the ability to edit my own version of "Band of Brothers" in order to fix a few historical inaccurate parts here and there.

* Ripped the DVD with DVD Decrypter.
* Transcoded AC3 audio to six WAVs using BeLight.
* Open IFO with Sony Vegas (video stutters and loses sync quickly.)
* Opened VOBs with VirtualDubMOD... export video and it doesn't sync with the ripped WAVs. (VirtualDubMOD shows that the video is 23.976fps but audio is 24.031fps from the VOBs)

Is there a trick anyone here uses to do a fanedit of a movie?

Zarxrax
25th February 2008, 17:15
You want to index the vobs with dgindex and then load those through avisynth, and then preferrably, compress them to a lossless codec.
You might find this guide helpful: http://www.animemusicvideos.org/guides/avtechbeta/

DustBunny
25th February 2008, 17:35
I'll give it a try. I'm having trouble installing AVISynth (getting a weird administrator access error even though I am an admin). I'll let you know if I run into more problems.

setarip_old
25th February 2008, 17:40
@DustBunny

Hi!VirtualDubMOD shows that the video is 23.976fps but audio is 24.031fps from the VOBsIf this is your only remianing problem, you should be able to resolve it as follows:

Load the file into VirtualDub, VirtualDubMod, or NanDub.
Set BOTH "Video"(VirtualDub,
VirtualDubMod and NanDub) and "Audio"
(VirtualDub and NanDub - VirtualDubMOD>"Streams>"Stream
list") to "Direct Stream Copy".

A) If the difference between audio and video is constant
throughout the video:

From the "Audio" dropdown menu, select "Interleaving" (For
VirtualDubMOD, rightclick on the listed audiostream and then
select "Interleaving")

Under "Audio skew correction", set an appropriate number of
milliseconds (positive or negative) in the box labelled "Delay
audio track by"

Save with a new filename

B) If the difference increases as the movie plays:

From under the "Video" dropdown menu, select "Framerate" -
and select "Change so video and audio durations match"

Save with a new filename

Let us know of your success ;>}

DustBunny
25th February 2008, 17:56
Error message from VirtualDubMOD reads, "The source video stream uses a compression algorithm which is not compatible with AVI files. Direct stream copy cannot be used with this video stream."

:confused:

I tried Reripping via DVDDecrypter and demuxing the video to an M2V file (IFO mode>Stream Processing>Demux), opened the video in VirtualDubMOD and saving as a Lagarith AVI to see if that somehow works. I'll let you all know.

setarip_old
25th February 2008, 18:10
The instructions I've provided are for use with the .AVIs that you would have created by using VirtualDubMOD directly. Please clarify - Are you converting to or wanting to convert to .AVIs?

If not, why are you using VirtualDubMOD directly?

DustBunny
25th February 2008, 18:21
I was opening the VOB file with VirtualDubMOD and trying to create a new AVI that would hopefully match the audio transcoded with BeLight. I want to keep the 5.1 surround audio, so that's why I went that route.

I use Sony Vegas to edit and have all the audio files on the timeline and mixed properly for 5.1 audio. Vegas will open the IFO file with the correct length, but on playback (or render) the video skips forward and back, which creates a jittery mess and gets it out of sync. If I create an AVI from the same VOB's in VirtualDub, the video doesn't do the weird skipping, but it somehow is out of sync with the audio now due to different framerate.

Maybe the problem is in the audio transcoding via BeLight?

After some checking...
looks like the audio transcoding worked okay, since they are at the correct length. I'm starting to suspect that the problem is in the video stream, which seems to have NTSC 29.97 video for about 10 seconds at the beginning, then 23.976 film for the main portion, then NTSC 29.97 video for the credits. What a mess.

setarip_old
25th February 2008, 18:46
If I create an AVI from the same VOB's in VirtualDub, the video doesn't do the weird skipping, but it somehow is out of sync with the audio now due to different framerate.By all means, either:

1) Create the .AVIs in VirtualDub or VirtualDubMOD - and then load the new .AVI(s) into VirtualDub or VirtualDubMOD - and apply the instructions I've provided to re-synch, or

2) Use my favorite (as I did for "Band of Brothers") MPEG Mediator to create the .AVIs from the .VOB sequences of each of the DVDs

Does your editing consist of only cutting out (deleting) some frames, or are you also adding material?

DustBunny
25th February 2008, 18:54
I will be cutting out some material here and there, mostly stuff that historian Mark Bando and Major Dick Winters himself criticized about the series.

I'll try your first option again and see if that works; if not, I'll give MPEG Mediator a try. Thanks for your help!

setarip_old
25th February 2008, 18:57
I will be cutting out some material here and thereThat can be readily done (in VirtualDub or VirtualDubMOD) AFTER you've created the properly synchronized .AVIs.

Let us know how it goes ;>}

DustBunny
25th February 2008, 19:06
Yeah, but some of the edits will be a little tricky and can't be crash edits. I'm also taking out almost all the "F" words, which Major Winters slammed Tom Hanks on... he said the word was used once in a very great while and not thrown about as much as HBO slung it about. So I'll drop the center track audio at those spots but keep the other audio tracks in. Works really well in Vegas on the timeline, but I just can't get the video to cooperate well.

I'm also kicking around the idea of editing episodes 1 and 2 together, combining the interviews, cutting the credits. Might do it with a few other episodes as well... haven't decided yet. :cool:

Still, I'll try your two ideas and let you know how they go... thanks again!

DustBunny
25th February 2008, 23:57
I just wound up trimming out the 29.97fps parts... the HBO logo at the beginning and the credits at the end and all is good.

setarip_old
26th February 2008, 01:10
all is goodCongratulations ;>}

DustBunny
28th February 2008, 00:49
Well, it worked well for two episodes. But on the current one I'm tackling, it looks like it switches between interlaced 29.97fps and progressive 23.976fps in the middle of scenes in the main portion of the movie. Is that even possible? :confused:

So the 29.97fps portions play slowly, of course, since the whole video clip shows up as 23.976fps. I have maybe a dozen or so 29.97fps sections scattered throughout the file, which last maybe 10-20 seconds each.

Aaaarrgghh!

DustBunny
28th February 2008, 01:07
So what I'm doing now is trying to manually find all the NTSC portions, play them back on the timeline at 1.25x speed and morph back into the ITVC footage. What a pain in the hiney. Is there any better way?


**** UPDATE ****

Okay, after checking through the file, it looks like it does this weird ITVC/NTSC switch four or five times, so I was able to get a somewhat decent edit out of it. Still kind of a pain, though.

setarip_old
28th February 2008, 02:24
Is there any better way?As I said before, use my favorite (as I did for "Band of Brothers") MPEG Mediator to first create the .AVIs from the .VOB sequences of each of the DVDs.

I encountered no such anomalies in the created .AVIs...

foxyshadis
28th February 2008, 03:28
TIVTC actually has switches for hybrid material, as long as you start from a 30fps source; it can detect and blend them down automatically, if you want. If it's lost its timestamps, manual is the only way, though.

Could be that your avi conversion method is just flawed, of course.

DustBunny
28th February 2008, 16:59
As I said before, use my favorite MPEG Mediator to first create the .AVIs from the .VOB sequences of each of the DVDs.


I tried it and got no better result. It could be because I bought this DVD set when it first came out in Canada (before it was released in the U.S.) and maybe it had some issues that were fixed in later releases. Ironically, the subtitles are French and Spanish... no English! :p

setarip_old
28th February 2008, 19:11
@DustBunny

I have no further suggestions, but I am curious. Do these changes occur only at the junctures of the "mini interviews" at the beginning of each episode and the actual episodes?

DustBunny
28th February 2008, 21:35
@setarip

In episodes 1 and 9, yes. In episode 2, however, the first 4/5ths of Major Winters' interview is 29.97, then it switches to 23.976 in the middle of a word. Then it switches back to 29.97 for the standard intro, then back to 23.976 for a few seconds of footage, then switches back for a couple more seconds of 23.976, then stays that way until the ending credits. Weird. Not looking forward to the rest of the episodes, but I'll plod through them.