Virtual Dub 2 mp4 editing

[erzane]

Hello there,
I'd like to cut the beginning of a 400 mo .mp4 video.
Back in the days with VD1 and used to do the following steps :

I mark the start / end of the segment I want to keep, then I go to :

>video >compression >XvidMPEG4 Codec >config >1 pass >OK

>file >queue batch operation >save as AVI (Ctrl+Shift+F7)

Same with ''2 pass'', then >job control >START

But this time there is neither 1pass/2pass neither ''XvidMPEG4 Codec''...
I've three X264vfw... that I don't know what it is...
And if I chose one of them my 400mo video, after the operation is done is 1,5go... And the processing is quite long.




How should I proceed to get aprox. the same size once I get my edited video ? Maybe with a shirter operation ?

Thanks !!

[Alwyn]

I think Xvid has fallen out of favour these days.

You can use the H.264/AVC x264 8bit codec:


[Attachment 89256 - Click to enlarge]

You can adjust the file size by changing the CRF value. 18 is a good starting CRF. Lower CRFs=larger file sizes/better quality.

You probably know this, but make sure you set up the audio compression before you go to the File>Save Video... screen, otherwise you'll be stuck with PCM, which cannot be put into the MP4 container with VDub2.

[erzane]

Thanks !!

About the Audio compression : is this way the right way ?

>video >direct stream copy

>audio >full processing mode >interleaving >insert value

>file >save as AVI (F7)

[Alwyn]

In my experience, VDub won't "Direct Stream Copy" MP4.

For audio, Full processing>Compression>AAC. Go to Configure and set rate to 96Kb/sec (that will be 192kb/sec for two channels):


[Attachment 89274 - Click to enlarge]

File>Save Video... set up Video as per my post above (via the "Change" button)

Change the video Save As Type to "MP4 Faststart"

Then Save.

[Alwyn]

For my full blurb on exporting out of VDub2, see here.

[erzane]

It worked fine thanks a lot buddy

What should I modify to cut .vob the same way ?

[Alwyn]

I can't test at the moment, but I'm sure VDub2 will open VOBs, although AVIDemux will let you cut (on keyframes, not frame-accurate) and then export the VOB to MPG losslessly.

If the VOBs are part of a movie, you'd be better off joining them up into an MPEG and exporting from AVIDemux; then you won't incur a recode.

My AVIDemux notes here.

[erzane]

I see. I'll try. Thank you