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Unofficial VirtualDub Support Forums > Newbie Questions > Cutting Avi Files Using Direct Stream Copy (issue)


Posted by: Swiftkidd Feb 1 2014, 10:30 PM
Edit: Ok so I read VirtualDub manual and in order to edit in direct stream mode it has to be at the end of keyframe.. so if I use shift button to locate keyframes I can edit fine ?


Hi,

I have an AVI file that I recorded using Camtasia Studio. It's a screen capture video which I need to edit as a folder window popped up into the recording area which I do not want.

I searched the Internet looking to edit without quality loss (without re econding) which VirtualDub's Direct Stream Copy was recommended but I'm having issues.

I import the video, navigate to area, set my markers and cut the frames but when I export the AVI it still shows that window popping up even then when I play inside VirtualDub the window has gone mad.gif I have tried 15 times over a several hour period and can't work out why it's not working.. It works fine if I cut large duration of the video but I've tried cutting out up to 10 seconds it's not working I even used the scene forward which still exports with the frames in..

The exported video reports it's duration is smaller so I don't understand what is happening

Thanks

VirtualDub 1.10.4 | Build 35491
Windows 7 SP1 32 bit

Posted by: dloneranger Feb 1 2014, 11:42 PM
It's a limitation of direct stream copy, see this for more info
http://forums.virtualdub.org/index.php?act=ST&f=5&t=19365

Posted by: raffriff42 Feb 2 2014, 01:36 AM
QUOTE (Swiftkidd @ Feb 1 2014, 10:30 PM)
Edit: Ok so I read VirtualDub manual and in order to edit in direct stream mode it has to be at the end of keyframe.. so if I use shift button to locate keyframes I can edit fine ?

Yes, but keyframes might be 5 or 10 seconds apart.

We can give you better advice if get a http://mediaarea.net/en/MediaInfo report for a typical file. Here's the best way to do it:
  • select View=Text
  • right click, select all
  • right click, copy
  • paste your report.
If it's an AVI file, it would help to get the report from VirtualDub's File Information box as well. Use the Copy button to get the text.

Posted by: -vdub- Feb 2 2014, 09:12 PM
Reading these will help you understand further (maybe!).

General

Virtualdub - Help - Contents - Processing - Main UI


New User Virtualdub Video Editing (key points)

Virtualdub - Help - Contents - Processing - Editing
Virtualdub - Help - Contents - Processing - The Pipeline
Virtualdub - Help - Contents - Processing - Direct Mode
Virtualdub - Help - Contents - Processing - Smart Rendering

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