Hi! aldoric@xxxxxx wrote: > Hello, > > I'm new to v4l-development. I was able to get the raw image into my application successfully. But the current problem is not only in limited to my self-developed application. > > All of my USB-webcams will get less FPS as darker the image becomes. In optimal cases I get around 30 frames per second. But if it's really dark I only get around 2-3 FPS. I suppose the camera (or the driver) is increasing the exposure time to compensate for the lack of light and/or reduce noise. > I think that it might be the software gamma-correction. On v4l2ucp I didn't find a way to disable it. I don't think that will help. But you may try to turn off auto-exposure. -- Michael "Tired" Riepe <michael.riepe@xxxxxxxxxxxxxx> X-Tired: Each morning I get up I die a little -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
