i.MX Processors中的主题 Re: How fast is imxcompositor_g2d

How fast is imxcompositor_g2d

itaigolan — Tue, 23 Apr 2024 17:58:23 GMT

Hello, I'm using an imx8mp on a variscite dart board and a basler camera. I'm trying to merge an appsrc defined overlay with a video from the basler camera with an imxcompositor_g2d. When I push up buffers to the appsrc the framerate is very low, about 15 fps while not pushing up the buffer displays the video at 55 fps through my current pipeline. One of the things I was wondering about is how fast is the compositor? The outputed video will have to run at 90 fps and the video from the camera is 1280x960. What are the limits of the overlay I can have for the compositor to successfully merge at 90 fps and how would a pipeline that does that look?

Re: How fast is imxcompositor_g2d

Bio_TICFSL — Wed, 24 Apr 2024 14:55:00 GMT

Hello,

The limit is due to your framework you have to use the gpu for obtain more fps but in this case apparently the camera framework is going to dev/video0 devices.

Regards

Re: How fast is imxcompositor_g2d

itaigolan — Wed, 24 Apr 2024 19:41:50 GMT

Hi,

Thanks for your response, if it makes a difference, we are actually using dev/video2. What do you mean that the camera framework is going to dev/video2? Is there a way for me to force it to use the gpu?