ScreenCaptureKit

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ScreenCaptureKit brings high-performance screen capture, including audio and video, to macOS.

Posts under ScreenCaptureKit tag

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ScreenCaptureKit force frame completion even when idle
Hello, I was wondering if there was a way to force the completion of a frame from an off screen window. At the moment, windows that are off screen emit completed frames only if there is mouse movement in the display that has the window and the stream is configured to capture the mouse pointer. Is there a way to capture off screen windows (maybe at a reduce rate) more reliably?
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993
Nov ’22
Compress IOSurface image
I test with ScreenCaptureKit example and success to get desktop image as IOSurface. I know IOSurface holds GPU memory and not easy to access as DRAM. Do you know a way to h.264 compress the IOSurface? Or do I have to convert to CVPixelBuffer from IOSurface? If you have any sample code for handling IOSurface, it would be useful to me.
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1.3k
Sep ’22
ScreenCaptureKit force frame completion even when idle
Hello, I was wondering if there was a way to force the completion of a frame from an off screen window. At the moment, windows that are off screen emit completed frames only if there is mouse movement in the display that has the window and the stream is configured to capture the mouse pointer. Is there a way to capture off screen windows (maybe at a reduce rate) more reliably?
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1
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993
Activity
Nov ’22
ScreenCaptureKit: What does SCFrameStatus idle mean
I'm trying to understand what SCFrameStatus idle means. I understand when it happens occasionally. But sometimes, there are a lot of "idle" frames. Does this mean the frame rate is high, or queueDepth, or something else entirely different. Sometimes I get a lot of frames with SCFrameStatus idle, even though nothing changes
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1.1k
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Nov ’22
Disable iPhone Screen Recording
Hello. If you play a film in my app, with an iPhone, you can use "Screen Recording" and record the film. and your phone saves it in your phone. Is there anyway to disable the "Screen Recording" when someone is watching the film inside my app? Thanks so much for your time.
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1.3k
Activity
Nov ’22
Compress IOSurface image
I test with ScreenCaptureKit example and success to get desktop image as IOSurface. I know IOSurface holds GPU memory and not easy to access as DRAM. Do you know a way to h.264 compress the IOSurface? Or do I have to convert to CVPixelBuffer from IOSurface? If you have any sample code for handling IOSurface, it would be useful to me.
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1.3k
Activity
Sep ’22
Stream paused when hide or minimize the app
If I set queueDepth to a value that smaller than 6 ( 5 for example ), the stream will be paused when I start capturing and make it minimized or hidden. Is that a correct behavior or a bug?? Filed a report: FB11441320
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1.3k
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Sep ’22
ScreenCaptureKit sample malfunction with Safari
We can use the sample code to generate the SCK capture tool, Run safari with youtube video. Run the SCK capture tool Select Application capture with the above Safari youtube video, the video shall be playing well. Toggle the youtube video to full screen, you will not able to see the YouTube video.
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1.4k
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Sep ’22