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My final output avi file is bigger than 650 or 700mbs what we do now ? (Thanks Abdullakhan Anwar for info!)
Open Virtual Dub:
1. Load the avi file.
2. Configure video -- Direct stream copy mode (i.e : no processing of the video or Audio of the original file.)
3. Configure Audio in direct stream copy mode.
4. In "video" - "select range": Select a range from 0 to an offset ending on a key frame that match a size under 700 Mb or less.
5. Goto "file" tab and select "save AVI ............ F7"
This must take from 1 to 2 minutes for an 800 MB file. Repeat the process with the same file but now start the range from the last ending offset and up to the end of the file.
You will get out with two avi files. That all! BUT...if you want to join the second file to say a third avi file. The joining must be done on Key frame or else you will end up with an out of sync in the final file (The out-sync will start at the joined point). I have experienced it with 8 DVD and found no pbs. Sure, you don't want to lose some seconds in your finalized file. If so you can cut the end of the second file at the KEY FRAME plus a multiple number of frames which should correspond to a whole number of seconds.
Myfile.avi is 720 MB with say 72000 frames. There is a KEY FRAME every 10 seconds (if you have taken the default conf of FlaskMpeg + DivX MPEG encoder Version 3e). A brute calculation gives 100 frames per MB. We will cut out 50 MB from the file = 5000 frames. I use the lower bar markers to skip to the end of the file and skip back with the FRAME SKIP button to move back about 5000 frames. When in the range, note the frame counter "cause its not sure that the 5000 frame exactly match the KEY FRAME". Say now that the marker give 66020 frame. Note this: Go to the "video" tab and in the "select range" type in 66020 in the ending frame field. Goto file and SAVE AVI. Give it a name like part1.avi. This will take around 1 mins on an ATHLON 700 and 3 mins on a PII-400.
Close VirtuaDub. Rerun VirtuaDub and reload Myfile.avi . Now in the "select range" type 66020 in the start frame field. Direct stream copy for Audio and video. Save avi : Ex: part2.avi(some secs). That's it.