284     uint8_t *ybuf, *prev_buf, *src = s->scratch_buffer;  in xan_decode_frame_type0()  local
307     ybuf = s->y_buffer;  in xan_decode_frame_type0()
309     ybuf[0] = last << 1;  in xan_decode_frame_type0()
312         ybuf[j]   = last + cur;  in xan_decode_frame_type0()
313         ybuf[j+1] = cur << 1;  in xan_decode_frame_type0()
316     ybuf[j]  = last << 1;  in xan_decode_frame_type0()
317     prev_buf = ybuf;  in xan_decode_frame_type0()
318     ybuf += avctx->width;  in xan_decode_frame_type0()
322         ybuf[0] = last << 1;  in xan_decode_frame_type0()
325             ybuf[j]   = last + cur;  in xan_decode_frame_type0()
326             ybuf[j+1] = cur << 1;  in xan_decode_frame_type0()
329         ybuf[j] = last << 1;  in xan_decode_frame_type0()
330         prev_buf = ybuf;  in xan_decode_frame_type0()
331         ybuf += avctx->width;  in xan_decode_frame_type0()
349     ybuf = s->pic->data[0];  in xan_decode_frame_type0()
352             ybuf[i] = (src[i] << 2) | (src[i] >> 3);  in xan_decode_frame_type0()
354         ybuf += s->pic->linesize[0];  in xan_decode_frame_type0()
363     uint8_t *ybuf, *src = s->scratch_buffer;  in xan_decode_frame_type1()  local
379     ybuf = s->y_buffer;  in xan_decode_frame_type1()
381         last = (ybuf[0] + (*src++ << 1)) & 0x3F;  in xan_decode_frame_type1()
382         ybuf[0] = last;  in xan_decode_frame_type1()
384             cur = (ybuf[j + 1] + (*src++ << 1)) & 0x3F;  in xan_decode_frame_type1()
385             ybuf[j]   = (last + cur) >> 1;  in xan_decode_frame_type1()
386             ybuf[j+1] = cur;  in xan_decode_frame_type1()
389         ybuf[j] = last;  in xan_decode_frame_type1()
390         ybuf += avctx->width;  in xan_decode_frame_type1()
394     ybuf = s->pic->data[0];  in xan_decode_frame_type1()
397             ybuf[i] = (src[i] << 2) | (src[i] >> 3);  in xan_decode_frame_type1()
399         ybuf += s->pic->linesize[0];  in xan_decode_frame_type1()