- pv->x = (pv->buf[i+0]<<4) | ((pv->buf[i+1]>>4)&0x0f);
- pv->width = (((pv->buf[i+1]&0x0f)<<8)| pv->buf[i+2]) - pv->x + 1;
- pv->y = (pv->buf[i+3]<<4)| ((pv->buf[i+4]>>4)&0x0f);
- pv->height = (((pv->buf[i+4]&0x0f)<<8)| pv->buf[i+5]) - pv->y + 1;
+ pv->x = (buf[i+0]<<4) | ((buf[i+1]>>4)&0x0f);
+ pv->width = (((buf[i+1]&0x0f)<<8)| buf[i+2]) - pv->x + 1;
+ pv->y = (buf[i+3]<<4)| ((buf[i+4]>>4)&0x0f);
+ pv->height = (((buf[i+4]&0x0f)<<8)| buf[i+5]) - pv->y + 1;