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Cropping Or Changing The Aspect Ratio Of A Video


Jim B
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I have a LG V410 tablet

screen resolution = 1200 x 800

clip resolution = 720w x 480h (although, when I view the video on my desktop screen, these width and height numbers appear to be reversed. I did rotate the video 90º in videowave.

BTW the screen resolution of my desktop monitor is 1280 x 1024.

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No way to get it to fit easlly. Put an image or video on the main track, Apply an effect - I used "Heavy Blur" Put your wanted video on an overlay track. Expand it to fit using the corners of the overlay. You will get the image to fit, get rid of the black bars and get a non-obtrusive .video playback.

 

Watch some TV news and see how they handle videos sent in from people who use cell phones as camcorders.

 

post-58-0-69035700-1427634100_thumb.png

 

Oh, in the future, remember to hold the tablet horizontally.

Edited by sknis
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Start by saying that aspect ratios are Laws of Mathematics, understood by Pythagorean's 500 BC :huh:

 

They cannot be changed without consequences -_-

 

But processing your numbers was interesting:

 

post-39730-0-62803600-1427634267_thumb.jpg

 

 

You Tablet in Landscape mode as well as the original clip (Number 1 & 3 are of the same ratio - 3:2

 

And if you view your clip in Portrait mode AND rotate you clip (Number 2 & 4), the ratios stay with it...

 

The method Steve showed is a good one although as I mentioned Black Bars are so common in TV I don't bother with it...

 

In VideoWave there is a way to handle it but nothing will make it perfect! VW has built in Ratio handling that works like this:

 

In a 16:9 Project:

post-39730-0-93686100-1427634444_thumb.jpg

 

In a 4:3 Project:

post-39730-0-42148400-1427634449_thumb.jpg

 

And there is a way to do it manually in VW by using a Color Panel on the Video Track and adding your clip onto the Overlay Track. Then you adjust the size of your overlay to suit your desires.

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Thank you both for the information.

 

Jim, I tried the aspect handling command and it didn't seem to do anything. Cab you tell me how to do the color panel thing?

 

Steve, I tried the heavy blur effect and it blurred the whole picture. Please tell me how to do it.

 

As I am very inexperienced with the finer points of this program, Will you both please explain the procedures very slowly with step-by-step instructions. About all I can do is trim videos to clean out junk, add transitions, color panels, and text. I've never worked with the overlay track. :wub:

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Add the background image/video to the main track. Make sure it is selected Go to the effects list and drag that effect to the FX 1 track. Stretch it to the same length as the video. Use the arrow that displays when you go to the middle- end of that effect track. Select your video. Yous will get three option, select add as an overlay. It will show up in the Ovl1 track. In the preview window, resize the video to where you want it. Keep the same ratio as the original.

 

post-58-0-24351100-1427644359_thumb.png

 

 

 

Color panel is the same but the background inage/video gives a more interesting appearance.

Edited by sknis
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Add the background image/video to the main track. Make sure it is selected Go to the effects list and drag that effect to the FX 1 track. Stretch it to the same length as the video. Use the arrow that displays when you go to the middle- end of that effect track. Select your video. Yous will get three option, select add as an overlay. It will show up in the Ovl1 track. In the preview window, resize the video to where you want it. Keep the same ratio as the original.

 

post-58-0-24351100-1427644359_thumb.png

 

 

 

Color panel is the same but the background inage/video gives a more interesting appearance.

Add the background image/video to the main track. Make sure it is selected Go to the effects list and drag that effect to the FX 1 track. Stretch it to the same length as the video. Use the arrow that displays when you go to the middle- end of that effect track. Select your video. Yous will get three option, select add as an overlay. It will show up in the Ovl1 track. In the preview window, resize the video to where you want it. Keep the same ratio as the original.]

 

OK. I've got the blur heavy added to the fx1 track and stretched it to the same length as the main track but that's as far as I can get. I am stumped at the point where the red text, above, begins. I've attached the video clip to this thread.

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Where it says to select your video, it should have been a new step. After you have a video on the main track and have added the blur, You are ready to add the video you want people to see. Go to add video and select it. You should get the options (actually 4). Select either add to overlay or add to overlay in an internal track. Add it to the overlay track unless you plan to move it around and add more video.

 

You did not attach a video; you can not do that, you must upload it to a file sharing site and link to it here.

 

I don't think this simple step warrants me to make a special video of that step. Tell us step by step what you are doing.

Edited by sknis
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OK, step-by-step

1 click add video

2. Find video in it's folder and dbl click on it

3 It loads into the main track. 9Ican click on it in the timeline and select it but when I move away from it, the selection marque disappears.

4 click on add video effect. (cannot drag any to fx1 track.) I can select the effect and hit OK and it shows on the fx1 track.

5 click on add video

6 Find video in it's folder and dbl click on it.

7 I shows up on the ovl 1 track with a red border with "handles" on it.

I can move the corner handles and change the size of the image but the black borders are still there. I can move one of the top or bottom handles but that messes up the aspect ratio of the image. Is that what was to be expected?

 

My next step is to go back and retake the video holding the tablet horizontal per your advice.

 

Thanks again. Jim B.

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Watch some TV news and see how they handle videos sent in from people who use cell phones as camcorders.

 

Personally, I don't like how most of the TV news handles the "vertical video" issue, by stretching the original video and blurring it, and overlaying the "real" video in the center, so that both are playing at the same time. I'd personally rather see black bars. The blurry video is distracting to me.

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Here is an image extracted from the video. It is a working model of the Macon dirigible sky hook trapeze used to bring scouting planes into the hanger, way back in the days...

The black bars are obvious.

post-9088-0-08626100-1427660131_thumb.jpg

Edited by Jim B
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OK, step-by-step

1 click add video

2. Find video in it's folder and dbl click on it

3 It loads into the main track. 9Ican click on it in the timeline and select it but when I move away from it, the selection marque disappears.

4 click on add video effect. (cannot drag any to fx1 track.) I can select the effect and hit OK and it shows on the fx1 track.

5 click on add video

6 Find video in it's folder and dbl click on it.

7 I shows up on the ovl 1 track with a red border with "handles" on it.

I can move the corner handles and change the size of the image but the black borders are still there. I can move one of the top or bottom handles but that messes up the aspect ratio of the image. Is that what was to be expected?

 

My next step is to go back and retake the video holding the tablet horizontal per your advice.

 

Thanks again. Jim B.

 

Those black borders should not show up because you should see the background image. You are not going to change the ratio without losing some of the image. On the main track, use something that has the correct aspect ratio - either another video, an image or a color panel.

 

See Dave comment about blurry video (the original video that is blurred is stretched way out of proportion. In that case, they may be using two different overlays.

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Ok, I'll make and post a short video tomorrow. Remember the ratio will not change; you will not get black borders -- if that is OK. I need you to post the image direct from the capture device. You have already added the black bars when you put it into Video Wave. I need the thin video.

 

Of course your best bet is to recapture that video if you can. I'm sure that you won;t like what you'll get with the method I discussed.

Edited by sknis
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thanks for the offer Walt. I've taken more videos with the tablet. One horizontal, one vertical. I need to figure out how to post directly from the tablet. I've been chasing my tail the last couple of days. Hope to post sometime tomorrow.

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Finally... This is a snapshot of a video from my tablet. The tablet was being held vertically at the time but the video is laying on it's side.The snapshot was taken from the video as it was plating on VLC mediaplayer. I hope this is what your looking for. The video has the black borders while playing in VLC. If I open it in VW, it is laying on it's side with narrow borders. If I rotate it, it will have the wide borders.

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