![]() ![]() The green screen (which worked perfectly on Wirecast 6) can't be set as the color for Chromakey (and the mouse selection doesn't do a thing, no matter where I click).įinding this thread here it seems I'm not the only person experiencing this, so wanted to provide my experience. ![]() can't recall), tried with a different Wirecast file, tried two different capture cards, rebooted the computer, different exposures on our camera, tried all the available settings pertaining to GPU and/or chromakey in Wirecast. system updates (Windows 10), turned off rendering from GPU (GTX 460 or 480. Click the defaults button a few more times and it cycles through the various hues, but none of them eliminate the green screen, which remains green and everything else on the set is affected. My skin tone (quite pale white bald guy) suddenly turns invisible. and then suddenly the green screen becomes green again, and I (yes, I) disappear. So the only other option is to press "Defaults". On Wirecast 6 it would do what you expect: select the color you clicked on. Hit the checkbox to select by mouse and no matter how many times I click, press, right click, middle click, double click, touch the monitor (we use touchscreen), it does absolutely nothing. ![]() Enable chromakey and the green screen turns blue and my face is mildly speckled with moving black dots. I tested with both the 4K and the 1080p capture cards. We're using beautiful Magewell capture cards (the PCIe ones). Wirecast warns you if High-Quality Video is turned off when you turn on Chroma Keying.I can confirm there is a big issue with Wirecast 7.1's chromakey, at least at my studio. This forces Wirecast to decode the video from disk in the best quality possible, giving the Chroma Key the best data possible. If you are keying video from disk and not capturing it live, make sure the High-Quality Video option is checked in the Advanced Preferences Panel. If you have a choice, a PAL camera is better than NTSC, due to how data is captured internally. But if you have excellent lighting, a USB camera works well. If you use a cheap USB Web-cam, it may not give you enough source quality to get a reasonable good key. However, the better the camera, the better the keying. Wirecast has been tested with a low-end DV camera to verify the quality of its Chroma Keying system. You should get a reasonable quality out of most cameras on the market today. An office whiteboard may be helpful in accomplishing this. The more evenly lit, the better the keying. Light the background screen evenly, with no shadows.The background screen (green or blue) needs to be independently lit from other items in the shot.Invest in good lights and learn how to set them up properly. LightingĪssuming you had a reasonably good camera, the most important part of getting a good key is good lighting. Probably the most important part of getting good source material, Poor source material generates poor keys, no algorithm can make up for this. Adjust the White Clip (0 to 100) by using the slider. For example, if the host has a white shirt on, you need to increase this value slightly so that the keying effect will not be seen in their shirt. The White Clip parameter controls how close the keying will be toward white. White Clip: Likewise, white areas are also sometimes keyed out when they should not be. Adjust Black Clip (0 to 100) by using the slider. For example, if the host has black hair, you need to increase this value slightly so that the keying effect will not be seen in their hair. The Black Clip parameter controls how close the keying will be toward black. The Key Threshold parameter enables Wirecast to determine how close the color in the video is to the key color. Adjust the key threshold (0 to 100) by using the slider.īlack Clip: Sometimes, dark areas are keyed out, when they should not be, due to how digital cameras function. Key Threshold: Once you have the best key by picking the color, you can adjust the key threshold to drop out the background as completely as possible. This allows you to switch between cameras, allow graphic overlays, present a webpage, video, or. Usually, clicking near the corners of the media provides the best key, but sometimes clicking near the main subject in the image is best. Wirecast is a software video switching program. As you do this watch the preview change in the level of transparency, displaying the gray/white checkerboard pattern on the affected regions. Use the mouse to click a point on the image in the preview area. Check the Pick key color with mouse checkbox. Pick Key Color With Mouse: To get the best key possible, select the key color using the mouse. ![]()
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