How To Overlay A Video On A Video Davinci Resolve

Whether you are a colorist or video editor, at some indicate in your career, yous will probably have to learn how to practise chroma key compositing. In more than unproblematic terms, that means how to replace a green screen with some other paradigm.

Luckily for you, DaVinci Resolve has some powerful tools so that you can work on your DaVinci Resolve greenish screen video. That means you won't have to switch to different software or pay for a new, expensive tool.

In this tutorial, you'll learn the elementary steps to take your dark-green screen clip and blended it with another clip. Before you know it, yous'll know how to supercede your green screen in a flash, and learn some useful techniques to brand it expect equally realistic as possible.

• Part ane: How to Edit Green Screen Footage in DaVinci Resolve
• Part ii: Pro Tips & Troubleshooting

Part 1: How to Edit Green Screen Footage in DaVinci Resolve

In DaVinci Resolve, information technology will take y'all just a few steps to become from two split up clips to a simple composite image. For this example, we'll be using this green screen stock footage if you'd similar to download and follow along. Or you can explore the other green screen images in our library if y'all don't already have any footage to use.

Footstep 1: Importing Footage

To start your project, decide which multimedia clips you desire to utilize and import your files. Of class, you'll need a minimum of 2: one clip with a light-green screen, and one clip to replace the light-green screen.

1. Open your desired project in DaVinci Resolve, or start a new one.
2. Click on the Media Pool icon in the pinnacle-left corner of your window.
3. Right-click in your Media Pool and select Import Footage.
4. Browse your computer and select the clips you want to import, then click Open up.

Step 2: Setting Up Your Timeline

Brand certain your timeline is configured properly so that the surface area with the light-green screen will be replaced with the footage you desire it to afterward when it's transparent.

1. Make sure the Edit icon has been selected in the bottom bar.
2. Drag your two chosen clips into the timeline space on your screen. DaVinci Resolve will automatically create a new timeline for you based on the specifications of your clips.
3. Position the clip with your green screen on the video track (the row) above your background footage. If there isn't another video track, but drag your video up from the video rails it's on, and DaVinci Resolve will automatically create another one.
4. Put the prune you want to replace your light-green screen on the above rail, and brand sure its first and endpoints line up with your second clip.

Footstep three: Chroma Keying

Now that your timeline is prepped, it's fourth dimension to get rid of that green screen!

1. Switch to the color correction window by clicking on the Colour icon at the lesser of the screen.
2. Select the Qualifier tab.
3. Click on the Qualifier Tool underneath the heading Selection Range.
4. Hover over the green screen area, and left-click. This volition select the color you want to isolate and make any other colors transparent.
5. View the area you lot have made transparent in gray by clicking on the Highlight icon.
6. Press the Invert Selection icon to reverse the gray area and then that only your light-green screen is transparent.

Stride 4: Alpha Channel

You have told DaVinci Resolve which role of your video clip is the green screen, but now you'll need to blend it in with the footage you've put underneath.

1. Select the Nodes icon to view the Nodes workspace for the footage you currently have selected.
2. In the Nodes workspace, right-click in a blank expanse and select Add Blastoff Output. Your alpha output will appear as a minor blue dot on the right of the window.
3. Click and drag the modest blue square on your node to depict a line to the Alpha Output icon. This acts as a set of instructions in your node arrangement to alloy your green screen footage with whatever multimedia is on the video track beneath.
4. Click on the Highlight icon again, and you lot will see your new composite image.
5. This is a good fourth dimension to reposition either layer if y'all demand to. You will learn more than about how to practice this in function two.

Learn more than near working with alpha channels in DaVinci Resolve in this tutorial.

Footstep v: Masking

With some green screen footage, you may find it necessary to crop out undesirable objects that made their way into the frame. This can be done with Power Windows, as well known as masks.

This is a useful technique if you want to resize or reposition your green screen layer. Basically, anything in your green screen footage that'south inside the Power Window will be visible. Annihilation on the same layer that is outside of the Power Window'due south boundaries is cropped out. Now the space outside of your Power Window will appear as whatever's on the video track beneath by default.

1. Click on the Window icon.
2. Select the Shape you want your Ability Window to be.
3. Readjust the edges of the Power Window by clicking and dragging the points on its outline. For example, if you're editing a talking caput and at that place'southward a scratch on your greenish screen you want to crop out, you lot can shrink the edges of the footage. Only brand sure the Ability Window will not crop out your bailiwick's head or hands equally they movement.
4. Further refine your Power Window shape with the values under Transform (your shape's position, bending, and opacity settings) and Softness (the softness of your shape'due south edges) in the Window workspace.

Step vi: Refining Edges

Possibly there are even so some green edges effectually your subject that are visible in the preview window. This is the fourth dimension to apply some of the other tools that DaVinci Resolve has to offer to make them cleaner.

1. Return to the Qualifier tab.
2. Printing Shift + Control + H to toggle the High Contrast Highlight mode. This setting lets y'all preview where your transparent surface area starts and stops in black and white. This can get in easier to spot whatever colour disturbance compared to color mode.
3. Bring up the Make clean Blackness value to clean up any black disturbance in the white areas, or increase the Clean White value to remove pocket-sized areas of white in black areas.
4. Use the In/Out Ratio to shrink your transparent expanse'south edges or to aggrandize them.
5. Use Blur Radius to brand the edges of the transparent expanse announced softer.
6. Printing Shift + Control + H from time to time to check that you are happy with the image'due south appearance in color mode, too.
7. Change the Low Saturation threshold to 0. You tin can continue to arrange Hue, Saturation, and Luminance to amend target certain tones and levels of saturation or luminance of the dark-green colour you are targeting.

Stride seven: Color Correcting & Exposure

To make your footage blend more than naturally, remember to practise some simple color and exposure adjustments to the footage that you are adding to the foreground. In this example, that is the epitome that will replace the green screen on the billboard.

In this tutorial, you volition arrange the image's Curves and Color Wheel. Don't forget that DaVinci Resolve has many other color tools that you lot could use too!

1. Click on the Clips icon to view which clips are available from your timeline.
2. Select the clip you lot want to color correct.
3. Click on the Curves icon.
4. Lower the highlights and create an Southward-shaped curve.
5. Select the Color Wheels icon.
6. Toggle the Offset bicycle down past clicking and dragging it to the left.
7. Lower the reds in the proceeds by clicking and dragging the bar downward.

Function two: Pro Tips & Troubleshooting

one. Color Spill

Y'all might find different tones of green on your greenish screen due to varying shadows and lite. Sometimes you can even have green reflections on your subject. If yous find yourself in that situation, at that place's another mode to improve the accuracy of your color selection. Use this tip in identify of points ii-4 in Part 1, Footstep 3 and yous'll be skillful to go!

1. Make sure yous are on the Qualifier tab.
2. Click on the dropdown bill of fare that says HSL, and select 3D.
3. Choose the Qualifier tool.
4. Click and drag your mouse on a small selection area of your green screen (that'southward as close to the edge of your subject as possible). The edge of your subject commonly has the most varying tones and is likely to achieve a more accurate selection of your dark-green screen.
5. Tick the box that says Despill. This should target any dark-green reflections on your subject field.

2. Making Your Footage Look More Realistic

Was the element that you're adding to the scene shot at a slightly dissimilar angle than you want it to appear in the new scene? If so, DaVinci Resolve has some features to help your subject area blend in better.

1. Click on the Edit tab.
2. Select the desired prune.
3. Click on the Inspector icon.
4. Adjust Zoom, Position, and Rotation until your subject field is in the right place.
5. Adjust Pitch and Yaw to make your subject appear at a vertical or horizontal angle.

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Equally yous can see, DaVinci Resolve green screening skills are useful for all sorts of projects. Whether you're chroma primal compositing a talking head or a highway scene with a green screen billboard in your project, these tips volition always come up in handy. Yous've just added a whole new realm of possibilities to your creative toolbox. Then why not go and beginning putting them into exercise?

Source: https://motionarray.com/learn/davinci-resolve/davinci-resolve-green-screen/

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