why this .avi is shown as this?

[marcorocchini]

Hi cats

I have a .avi file uncompressed that in virtualdub is open as this


[Attachment 39041 - Click to enlarge]

please can I achieve a "normal" image? thanks

[LMotlow]

VirtualDub top menu.
"View" --> disable "Arrange video panes vertically".


Then right-click anywhere on the image and in the right-hand side of the resulting menu, click on "16:9" at the bottom of the window.

[theewizard]

maybe an 'over under" 3D video ?

[marcorocchini]

mm I think the problem is another. I see this type of uncompressed file is shown "doubled" in virtualdub. Also avisynth read it bad. I wonder if is there a way to "merge" the 2 images so that I can see the full frame as right


[Attachment 39054 - Click to enlarge]

ps: I attach the .avi file uncompressed (only 10 frames) if you do some proof

[poisondeathray]

Maybe something like this ?

a=AVISource(u3.AVI")
t=a.Crop(0,0,0,-540,true)
b=a.Crop(0,540,0,0,true)

Interleave(t,b)
AssumeTFF().AssumeFieldBased()
Weave()

Where is video from ? Did your cat mess it up ?

[jagabo]

Yes, it's just interlaced video with the fields stacked rather than interleaved line by line.

[marcorocchini]

Oh my cat

[Attachment 39056 - Click to enlarge]

a=AVISource(u3.AVI")
t=a.Crop(0,0,0,-540,true)
b=a.Crop(0,540,0,0,true)

Interleave(t,b)
AssumeTFF().AssumeFieldBased()
Weave()

Seems work a little but in hardware playback is jerky.
Possibly it should have something like this uncompressed (in a different "normal" mode) like this u3ok.avi attached ^^

[jagabo]

Oh my cat

[Attachment 39056 - Click to enlarge]

a=AVISource(u3.AVI")
t=a.Crop(0,0,0,-540,true)
b=a.Crop(0,540,0,0,true)

Interleave(t,b)
AssumeTFF().AssumeFieldBased()
Weave()

Seems work a little but in hardware playback is jerky.

Then you encoded with the wrong field order. That script gives BFF output.

[poisondeathray]

To switch it, use interlave(b,t) instead

If you want progressive, then bob deinterlace after

(Next time, don't let your cat near computer)

Please don't uncompressed video without archiving it (e.g. zip, 7zip etc...) , or lossless compression

[marcorocchini]

To switch it, use interlave(b,t) instead

LoadPlugin("v:\automazioneclip\avisynth\plugins\LSMASHSource.dll")
a=LWLibavVideoSource("C:\stackedToInterleave.AVI")
t=a.Crop(0,0,0,-540,true)
b=a.Crop(0,540,0,0,true)
Interleave(b,t)
AssumeTFF().AssumeFieldBased().Weave()

[Attachment 39058 - Click to enlarge]

But I wonder: why exactly 540 lines and not another value?

for example if I have a clip SD 720x576 is this script applyable?


and... for kindness in ffmpeg how can I do this operation? thank

[jagabo]

But I wonder: why exactly 540 lines and not another value?

Because it's a 1080p frame. If it was a 576p frame half would be 288. Generalized for any frame size:

LoadPlugin("v:\automazioneclip\avisynth\plugins\LSMASHSource.dll")
a=LWLibavVideoSource("C:\stackedToInterleave.AVI")
t=a.Crop(0,0,0,-a.height/2,true)
b=a.Crop(0,a.height/2,0,0,true)
Interleave(b,t)
AssumeTFF().AssumeFieldBased().Weave()

[marcorocchini]

Ahn thanks, but please my cat have only 2 question:

1) is possible to do it with ffmpeg?

2) in avisynth can I do the same thing avoiding the use of a= in the script?

LoadPlugin("v:\automazioneclip\avisynth\plugins\LSMASHSource.dll")
a=LWLibavVideoSource("C:\stackedToInterleave.AVI")
t=a.Crop(0,0,0,-a.height/2,true)
b=a.Crop(0,a.height/2,0,0,true)
Interleave(b,t)
AssumeTFF().AssumeFieldBased().Weave()

thanks

[jagabo]

2) in avisynth can I do the same thing avoiding the use of a= in the script?

LoadPlugin("v:\automazioneclip\avisynth\plugins\LSMASHSource.dll")
a=LWLibavVideoSource("C:\stackedToInterleave.AVI")
t=a.Crop(0,0,0,-a.height/2,true)
b=a.Crop(0,a.height/2,0,0,true)
Interleave(b,t)
AssumeTFF().AssumeFieldBased().Weave()

Of course. Just use the assumed "last":

LWLibavVideoSource("C:\stackedToInterleave.AVI")
t=Crop(0,0,0,-height/2,true)
b=Crop(0,height/2,0,0,true)
Interleave(b,t)
AssumeTFF().AssumeFieldBased().Weave()

You don't even need t and b:

Interleave(Crop(0,height/2,0,0,true), Crop(0,0,0,-height/2,true))
AssumeTFF().AssumeFieldBased().Weave()

[poisondeathray]

and... for kindness in ffmpeg how can I do this operation? thank

-vf il=l=i:c=i

eg using utvideo

ffmpeg -i u3.avi -vf il=l=i:c=i -c:v utvideo -an output_utvideo.avi

[marcorocchini]

Thanks but only one thing:

and in virtualdub how can I open this type of file?

[jagabo]

and in virtualdub how can I open this type of file?

Use the earlier AviSynth script.

[marcorocchini]

and in virtualdub how can I open this type of file?

Use the earlier AviSynth script.

[Attachment 39073 - Click to enlarge]

ahn I understand, avisynth is magic but in certain situation I have some file of 500-600 GB considering that i manage fullHD uncompressed and avisynth have to do the ffindex/lwi ... avisynth need dozen of minutes to calculate they ffindex/lwi also if avisynt is indispensable or perhaps the only to work.

Really virtualdub cannot do this operation?

[poisondeathray]

Thanks but only one thing:

and in virtualdub how can I open this type of file?

for the ffmpeg output, install ut video codec or use another compression with ffmpeg

eg. if you wanted to use uncompressed 8bit 422 "UYVY"

ffmpeg -i u3.avi -vf il=l=i:c=i -pix_fmt uyvy422 -vcodec rawvideo -an -vtag "UYVY" output_UYVY.avi

[jagabo]

Really virtualdub cannot do this operation?

I'm not aware of any VirtualDub filter (or combination of filters) that can do this. You could write your own filter to do it.

Just make yourself a batch file that builds the AviSynth script and runs VirtualDub with that script.

echo AviSource("%~dpnx1") > "%~1.avs"
echo Interleave(Crop(0,height/2,0,0,true),Crop(0,0,0,-height/2,true)) >> "%~1.avs"
echo AssumeTFF().AssumeFieldBased().Weave() >> "%~1.avs"
"G:\Program Files\VirtualDub\VirtualDub" "%~1.avs"

Modify the batch file to suit your source type and location of VirtualDub. Drag and drop an AVI file onto that batch file. Or put it into your SendTo folder, right click on an AVI file and select Send To ->batchfilename.

[shekh]

deinterlace filter has "unfold side by side" option, but not "above under".
try searching some 3d manipulation plugin, like this http://www.stereoscopie.fr/tech/vdubfilters.php?l=EN

[marcorocchini]

Interleave(Crop(0,height/2,0,0,true), Crop(0,0,0,-height/2,true))
AssumeTFF().AssumeFieldBased().Weave()

please help a cat: I need to do the inverse operation

from interleave to stacked, with avisynth

from "normal" image --> to the first one "doubled"

How I can do?

[jagabo]

It's so obvious I don't understand how you can not figure this out yourself.

SeparateFields()
StackVertical(SelectEven(),SelectOdd())

[marcorocchini]

because I'm a cat, but THHHANKS it work

[marcorocchini]

now I need to modify the .avi "stacked" to tell to program that opens it that .avi is stacked.

If I don't mistake is necessary modify some bytes on VPRP section of the header of file stacked: someone have idea of how to do this?

[Sharc]

now I need to modify the .avi "stacked" to tell to program that opens it that .avi is stacked.

If I don't mistake is necessary modify some bytes on VPRP section of the header of file stacked: someone have idea of how to do this?

The standard .avi container/file format has no provision to signal this, AFAIK.
https://cdn.hackaday.io/files/274271173436768/avi.pdf
Why are you stacking the 2 fields of your interlaced source? Maybe I misunderstand your request, but are you possibly mixing up interleave (packed) vs planar to satisfy your program that opens it? Which program?
http://avisynth.nl/index.php/ConvertToYUY2
https://avisynthplus.readthedocs.io/en/latest/avisynthdoc/corefilters/convert.html

v=LWLibavVideoSource("your source")
a=v.converttoYUY2(interlaced=true) #for interleaved YUY2 output
b=v.converttoYV16(interlaced=true) #for planar YV16 output

return a #or b

[marcorocchini]

no simply cat experiment

I wonder if is there a way to write, using virualdub, a .avi file uncompressed that mediainfo see as "interlaced" like my


[Attachment 88148 - Click to enlarge]

[Sharc]

Do you mean something like this: