Questions tagged [requestframe]

For questions about the requestFrame() method for HTML canvas elements

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First frame from captureStream() not sending

We're working on a project where people can be in a chat room with their webcams, and they can grab a snapshot of someone's cam at that moment, do some annotations on top of it, and then share that modified picture as if it was their own webcam…
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Is it possible to feed MediaStream frames at lower framerate?

I would like to use MediaStream.captureStream() method, but it is either rendered useless due to specification and bugs or I am using it totally wrong. I know that captureStream gets maximal framerate as the parameter, not constant and it does not…
Evil
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Capturing a stream from a canvas, requestFrame won't work unless the canvas has changed. What is a fast way to make an invisible change to a canvas?

requestFrame will not add a frame to the MediaRecorder stream unless the canvas has changed. I have several unchanged frames in a row that I want in my video, so I think I need to trick requestFrame into thinking the canvas has changed. What's a…
Keith Carter
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I am using captureStream with a frame rate of 0 to capture frames from a webgl canvas. How to trick requestFrame into thinking the canvas has changed?

My understanding is requestFrame will not add frames to the stream unless it believes the canvas has changed. I want to have some periods in my video where the same frame appears multiple times in a row. How can I trick requestFrame into believing…
Keith Carter
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