UVIDEO_FRAME_MIN_LEN
desc->bLength > UVIDEO_FRAME_MIN_LEN(desc) &&
desc->bLength > UVIDEO_FRAME_MIN_LEN(desc) &&
p = __DECONST(uint8_t *, desc) + UVIDEO_FRAME_MIN_LEN(fd);
length = fd->bLength - UVIDEO_FRAME_MIN_LEN(fd);
len = UVIDEO_FRAME_MIN_LEN(frame);
p = (uint8_t *)frame + UVIDEO_FRAME_MIN_LEN(frame);
ival_bytes = (int)frame->bLength - (int)UVIDEO_FRAME_MIN_LEN(frame);