void rgb32tobgr24(const uint8_t *src, uint8_t *dst, unsigned int src_size) { unsigned i; unsigned num_pixels = src_size >> 2; for(i=0; i<num_pixels; i++) { dst[3*i + 0] = src[4*i + 2]; dst[3*i + 1] = src[4*i + 1]; dst[3*i + 2] = src[4*i + 0]; } }