Buffer usage fluctuates a lot or is 100%, indicating a possible frame drop. How many buffers should I set?
A. A “buffer” represents the amount of memory holding a frame. At some point, a buffer may contain one captured frame from the camera or may be empty (no data). More buffers allocated will bring more stability, but less available memory. Each buffer size on bytes can be calculated by FrameWidth in pixel * FrameHeight in pixel * number of bytes per pixel. Color image are typically 24 bit or 3 bytes. A 10 bit sensor will be rounded to 16 bits or 2 bytes. Raw bayer ar typically 8 bit like monochrome images. Example: the buffer size for a color VGA image is 640 * 480 * 24 / 8 = 921,600 bytes.
A . A “buffer” represents the amount of memory holding a frame. At some point, a buffer may contain one captured frame from the camera or may be empty (no data). More buffers allocated will bring more stability, but less available memory. Each buffer size on bytes can be calculated by FrameWidth in pixel * FrameHeight in pixel * number of bytes per pixel. Color image are typically 24 bit or 3 bytes. A 10 bit sensor will be rounded to 16 bits or 2 bytes. Raw bayer ar typically 8 bit like monochrome images. Example: the buffer size for a color VGA image is 640 * 480 * 24 / 8 = 921,600 bytes.
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