Old 08-10-2016, 06:48 AM   #1
urednik
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Default Video EDITING - Tips, Tricks & Questions

It is not easy to find threads or help regarding video editing on this forum, because there is no dedicated forum for this.
It might be better to post all our questions in one thread, so we can co-operate better.
For start I would recommend everyone working with video in Reaper to download Jon's video presets, since default presets are not enough.
Even Jon himself keeps posting in several threads, which is hard to keep track of.
One of them is here: http://forum.cockos.com/showthread.php?t=167376

Any suggestions?
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Old 08-10-2016, 07:53 AM   #2
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Hard to believe I've been making videos in reaper for over a year and released more videos than I can count. If v5 didn't have video editing functions I would have given up on making videos a long time ago.


Random tip
I've started using Chroma Key overlays instead of Image overlay. I prepare images in the app Pixelmator. 1920x1080 72dpi

When using the 'Simple Source Chroma Key' preset on graphics

Use these standard colors in your image elements
chroma key green:

0,255,0 or Hex #00ff00

chroma key blue:

0,0,255 or Hex #0000ff

The green should work with the default settings.

Avoid angled lines! They will look terrible.

Now that I've written that out I'll have to experiment with higher dpi or resolution and see if the jagged lines are just because the image is stretched on my monitor.
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Old 09-21-2016, 02:21 PM   #3
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Jon,
please can you help me:
I have a png image that I would like to overlay over a corner of a video for two seconds. How can I manage it with Simple chroma key?
It is a "dreaming cloud" with either transparent or green #00ff00 background. The second goes a little bit, but I totally mess colours on the video ...

Is this doable in Reaper?
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Old 09-21-2016, 04:51 PM   #4
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Does video work for you in wine?
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Old 09-21-2016, 09:04 PM   #5
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Quote:
Originally Posted by urednik View Post
Jon,
please can you help me:
I have a png image that I would like to overlay over a corner of a video for two seconds. How can I manage it with Simple chroma key?
It is a "dreaming cloud" with either transparent or green #00ff00 background. The second goes a little bit, but I totally mess colours on the video ...

Is this doable in Reaper?
Sure it's possible.



I made a 1920 x 1080 pixel image.
background fill of #00ff00. added the shape.
Exported as png
import to reaper on a track above main video.
track fx chain: video processor "Simple source chroma-key"
K1 -0.5, K2 -0.5, K3 0.75, k4 2
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Old 09-22-2016, 12:39 AM   #6
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Success, thanks.
But I did it right, just had to reload reaper because first my .png image was done wrong, after correction it did not update, that is why it did not work. Thanks a billion!
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Old 09-22-2016, 10:59 AM   #7
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that would be because reaper caches the files somehow and doesn't update unless you choose a new file in properties (doesn't work with images), or enable to option to make items offline when the program isn't focused. I just import the file a second time.
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Old 08-14-2018, 05:31 PM   #8
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Default Split Screen possible in Reaper?

I did do a search here on the forum before posting this and either I did not type in the right search criteria or there is nothing on this subject.

I have a software called VideoPad from NCH software that can do split screen, but, to me, everything that Reaper can do with video seems so much easier than this video editing software.

Anyways, I did an experiment with VideoPad and here is a link to my very first video and it does the kind of split screen that I'm looking for.

My parents came for my 54th birthday to visit and I videoed them as my backup singers to the song 'Fly Like the Wind' by Christopher Cross.

I have the music in Reaper and recorded their audio of them singing into Reaper as well. I then just synced the video with the audio.

Now, when it is time for the two of them to sing, I want to put them both up on the screen together the same way as I have it in my video on my YouTube channel.

If there is a way to do this, I learn best by watching videos, but, if there is not one of those, if there is any kind of documentation I would be grateful for a referral to whatever is out there to show me how to do it.

If not I will figure it out in VideoPad.

Here is the link to the video: https://www.youtube.com/watch?v=kBHv80bn0aY
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Old 08-17-2018, 01:22 PM   #9
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I've got a question...I've been using reaper for years with audio but am a complete dunce when it comes to video.

I have a clip that was recorded on an iphone, in portrait mode. I've added some audio to it and want to export it in the same size/aspect ratio/quality as the original version. I thought i did exactly this when rendering it but it turned out smaller/lesser quality.

Am I missing something? I really know very little about video, I've looked up basic tips and stuff online but it doesn't come naturally to me at all, so it could be something really obvious that I'm missing.

Thanks!
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Old 08-17-2018, 05:15 PM   #10
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Are you saying that after rendering the video it looks 'squashed up' and out of proportion?

If so, I am not sure if this will work or not, but, try rotating the video first in Windows to check it before putting it into Reaper again.

If that does not work then maybe someone else has another idea....
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Old 08-17-2018, 05:26 PM   #11
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Quote:
Originally Posted by sjs94704 View Post
Are you saying that after rendering the video it looks 'squashed up' and out of proportion?

If so, I am not sure if this will work or not, but, try rotating the video first in Windows to check it before putting it into Reaper again.

If that does not work then maybe someone else has another idea....
I dont have it on this computer to take a screenshot, but its not squashed in any way, its the same proportions, just smaller and seems lesser quality. I do social media for work and i have a video that was taken on a phone...id like to add some stuff to it in reaper, then re-use the video via the phone and onto instagram.

Thanks!
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Old 06-30-2020, 08:15 PM   #12
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Default Simple source chroma-key not appear in FX video processor list

Hi,

I can't found 'simple source chroma-key' in list of 'Video Processor' FX. Instead there are listed 'combine: Chroma-key (YUV version' and 'combine: Chroma-key (RGB version' - video processor' but I can't get any success with those despite I am using a commercial green and blue chroma-key I bought in a video store for set backgrounds in my videos.
Was 'Simple source chroma-key' substituted by those two or was eliminated in reaper 6? thanks.
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Old 07-08-2020, 05:38 PM   #13
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Default how to use overlay presets

Thought I'd collect all the tricks for using overlay presets in one place.

Make a track just for overlays, and insert an empty midi item. It won't ever contain any actual midi, it's just a convenient container. The start and end of the midi item determines when the overlay appears on-screen. Use the video processor effect with the overlay preset as a take FX, not a track FX. Right-click the midi item and either choose "Take/Show FX chain" or type shift-E.

The one time you might want to put the effect/preset in the track FX, not the take FX, is when you are overlaying lots of images, and every image will go to the same area of the screen, but you want to easily change that area later.

Midi-learning is highly recommended! I like to midi-learn the mouse to the X/Y controls. And maybe midi-learn control-drag in the Y direction for textsize/zoom. Maybe midi-learn alt-shift-drag, etc. See https://forum.cockos.com/showthread.php?t=217581.

Once you get one midi item all set up with an overlay, you can command-drag it to duplicate it to elsewhere in the track, or to some other track. This duplicates the midi-learning too. Then you can work with the copy to change the overlay. This greatly speeds things up when you have dozens/hundreds of overlays.

You can also drag an effect from one midi item to another to duplicate it in the 2nd item. If you have multiple presets on one item, you can drag them all at once. You don't even need to open the FX window. Just drag the little green FX box just above the item. This too preserves the midi-learning.

To get a preset with midi learning into another project, save it as an FX template. Select it and from the menu choose FX/Save selected as FX chain. In the 2nd project, in any FX window, choose FX/Add FX chain. Or you can save all your presets at once. Put them all on one item. Then choose FX/Save FX chain.

There's no button to delete unwanted FX chains. You have to do it manually. Choose Options/Show resource path, and go to the FXchains folder.

If you put the "Item fades affect video" effect/preset in the track FX, then you can put the usual volume fade on a midi item to fade that overlay in and out. You can also use an envelope to automate the opacity, but I find this way easier.
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