UNICAM_IMAGE_BPL_ALIGNMENT
min_bpl = ALIGN(min_bpl, UNICAM_IMAGE_BPL_ALIGNMENT);
pix->bytesperline = ALIGN(pix->bytesperline, UNICAM_IMAGE_BPL_ALIGNMENT);
#define UNICAM_IMAGE_MAX_BPL ((1U << 16) - UNICAM_IMAGE_BPL_ALIGNMENT)