mxc_jpeg_bytesperline
mxc_jpeg_bytesperline(q_data_cap, jpeg_src_buf->fmt->precision);
mxc_jpeg_bytesperline(q[i], q[i]->fmt->precision);
mxc_jpeg_bytesperline(q_data, fmt->precision);
static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision);