libavcodec/sheervideo.c
fdf832a9
 /*
  * BitJazz SheerVideo decoder
  * Copyright (c) 2016 Paul B Mahol
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "internal.h"
 #include "thread.h"
 
 typedef struct SheerVideoContext {
     unsigned format;
260de8a2
     int alt;
fdf832a9
     VLC vlc[2];
     void (*decode_frame)(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb);
 } SheerVideoContext;
 
 static const uint8_t l_r_rgb[256] = {
      3,  3,  4,  4,  5,  5,  5,  6,  6,  6,  7,  7,  7,  7,  7,  8,
      8,  8,  8,  8,  9,  9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10,
     10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10,
     10, 10, 10, 10, 10, 10,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,
      8,  8,  8,  7,  7,  7,  7,  7,  6,  6,  6,  5,  5,  4,  4,  4,
 };
 
60bac785
 static const uint8_t l_r_rgbi[256] = {
      3,  4,  4,  4,  5,  5,  5,  6,  6,  6,  7,  7,  7,  7,  7,  7,
      8,  8,  8,  8,  8,  8,  8,  8,  9,  9,  9,  9,  9,  9,  9,  9,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,  8,  8,  8,  8,
      8,  7,  7,  7,  7,  7,  7,  6,  6,  6,  6,  5,  5,  4,  4,  4,
 };
 
 static const uint8_t l_g_rgbi[256] = {
      1,  3,  4,  5,  6,  7,  7,  8,  9,  9, 10, 10, 10, 10, 11, 11,
     11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14,
     14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14,
     14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12,
     11, 11, 11, 10, 10, 10,  9,  9,  9,  8,  8,  7,  6,  5,  5,  3,
 };
 
fdf832a9
 static const uint8_t l_g_rgb[256] = {
      2,  2,  4,  4,  6,  7,  9,  9, 10, 11, 11, 11, 12, 12, 12, 13,
     13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
     13, 13, 12, 12, 12, 11, 11, 11, 10,  9,  9,  8,  6,  4,  3,  3,
 };
 
 static const uint8_t l_y_ybr[256] = {
      3,  3,  4,  4,  5,  5,  6,  6,  6,  7,  7,  7,  7,  7,  8,  8,
      8,  8,  8,  9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10, 10, 10,
     10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 10, 10, 10, 10, 10, 10, 10,  9,  9,  9,  9,  9,  9,  8,  8,
      8,  8,  8,  8,  7,  7,  7,  7,  6,  6,  6,  6,  5,  4,  4,  3,
 };
 
 static const uint8_t l_u_ybr[256] = {
      1,  2,  4,  6,  9, 10, 11, 11, 12, 12, 13, 13, 13, 14, 14, 14,
     14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15,
     14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 10,  8,  5,  3,
 };
 
 static const uint8_t l_y_ybyr[256] = {
      3,  3,  4,  4,  5,  5,  5,  6,  6,  6,  7,  7,  7,  7,  7,  8,
      8,  8,  8,  8,  9,  9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10,
     10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10,
     10, 10, 10, 10, 10, 10,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,
      8,  8,  8,  7,  7,  7,  7,  7,  6,  6,  6,  5,  5,  4,  4,  4,
 };
 
 static const uint8_t l_u_ybyr[256] = {
      1,  2,  4,  6,  8,  9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14,
     14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14,
     14, 14, 13, 13, 13, 12, 12, 11, 11, 10, 10,  9,  8,  7,  6,  3,
 };
 
 static const uint8_t l_y_byry[256] = {
      3,  3,  4,  4,  5,  5,  6,  6,  6,  7,  7,  7,  7,  7,  8,  8,
      8,  8,  8,  9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10, 10, 10,
     10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11,
     11, 10, 10, 10, 10, 10, 10, 10,  9,  9,  9,  9,  9,  9,  8,  8,
      8,  8,  8,  8,  7,  7,  7,  7,  6,  6,  6,  6,  5,  4,  4,  3,
 };
 
 static const uint8_t l_u_byry[256] = {
      1,  2,  4,  6,  8,  9,  9, 10, 11, 11, 12, 12, 13, 13, 13, 14,
     14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14,
     14, 14, 14, 13, 13, 12, 12, 12, 11, 11, 10,  9,  8,  7,  6,  3,
 };
 
2ed8baa6
 static const uint8_t l_y_ybr10i[1024] = {
      3,  5,  5,  5,  6,  6,  6,  6,  6,  6,  6,  6,  7,  7,  7,  7,
      7,  7,  7,  7,  7,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,
      8,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      9,  9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  9,  9,  9,  9,
      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  7,  7,  7,  7,
      7,  7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,
 };
 
fdf832a9
 static const uint8_t l_y_ybr10[1024] = {
      4,  5,  5,  5,  5,  5,  5,  6,  6,  6,  6,  6,  6,  7,  7,  7,
      7,  7,  7,  7,  7,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,
      8,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  9,
      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  7,  7,  7,
      7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,  5,  5,
 };
 
2ed8baa6
 static const uint8_t l_u_ybr10i[1024] = {
      2,  3,  4,  4,  5,  5,  6,  7,  7,  8,  8,  9,  9,  9,  9, 10,
     10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10,
     10, 10, 10,  9,  9,  9,  8,  8,  8,  7,  6,  5,  5,  4,  4,  3,
 };
 
fdf832a9
 static const uint8_t l_u_ybr10[1024] = {
      2,  3,  3,  4,  5,  5,  6,  7,  8,  9,  9, 10, 10, 10, 11, 11,
     12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12,
     12, 11, 11, 11, 10, 10,  9,  9,  8,  8,  7,  6,  5,  4,  4,  3,
 };
 
 static const uint8_t l_r_rgbx[1024] = {
      4,  5,  5,  5,  6,  6,  6,  6,  6,  6,  6,  6,  6,  7,  7,  7,
      7,  7,  7,  7,  7,  7,  7,  8,  8,  8,  8,  8,  8,  8,  8,  8,
      8,  8,  8,  8,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  9,  9,  9,  9,  9,  9,
      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,
      8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  7,  7,  7,  7,  7,  7,
      7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,  5,
 };
 
 static const uint8_t l_g_rgbx[1024] = {
      3,  4,  4,  5,  5,  5,  5,  5,  5,  6,  6,  6,  6,  7,  7,  7,
      8,  8,  9,  9,  9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12,
     12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12,
     12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10,  9,  9,  9,  9,
      8,  7,  7,  7,  6,  6,  6,  6,  6,  5,  5,  5,  5,  4,  4,  4,
 };
 
 static const uint8_t l_y_yry10[1024] = {
      4,  5,  5,  5,  5,  5,  5,  6,  6,  6,  6,  6,  6,  7,  7,  7,
      7,  7,  7,  7,  7,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,
      8,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  9,
      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  7,  7,  7,
      7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,  5,  5,
 };
 
9e9286e9
 static const uint8_t l_y_yry10i[1024] = {
      3,  5,  5,  5,  6,  6,  6,  6,  6,  6,  6,  6,  7,  7,  7,  7,
      7,  7,  7,  7,  7,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,
      8,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      9,  9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  9,  9,  9,  9,
      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  7,  7,  7,  7,
      7,  7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,
 };
 
fdf832a9
 static const uint8_t l_u_yry10[1024] = {
      2,  3,  3,  4,  5,  6,  7,  7,  8,  8,  8,  9,  9, 10, 10, 10,
     10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13,
     13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
     13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11,
     10, 10, 10, 10,  9,  9,  9,  8,  8,  7,  7,  6,  5,  4,  4,  3,
 };
 
9e9286e9
 static const uint8_t l_u_yry10i[1024] = {
      2,  4,  4,  4,  5,  6,  6,  6,  7,  7,  7,  8,  8,  8,  9,  9,
      9,  9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11,
     11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11,
     11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10,  9,  9,  9,
      9,  9,  8,  8,  8,  8,  7,  7,  7,  6,  6,  5,  5,  4,  4,  3,
 };
 
131cb675
 static const uint8_t l_y_ybri[256] = {
      3,  3,  4,  4,  5,  5,  6,  6,  6,  7,  7,  7,  7,  7,  8,  8,
      8,  8,  8,  9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10,
     10, 10, 10, 10, 10, 10, 10,  9,  9,  9,  9,  9,  9,  9,  8,  8,
      8,  8,  8,  7,  7,  7,  7,  7,  6,  6,  6,  5,  5,  5,  4,  3,
 };
 
 static const uint8_t l_u_ybri[256] = {
      1,  3,  5,  6,  8,  8,  9, 10, 10, 11, 11, 12, 12, 13, 13, 13,
     14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14,
     14, 13, 13, 13, 12, 12, 11, 11, 10, 10,  9,  8,  8,  6,  5,  2,
 };
 
e826ceeb
 static const uint8_t l_y_byryi[256] = {
      3,  3,  4,  4,  5,  5,  6,  6,  7,  7,  7,  7,  7,  7,  8,  8,
      8,  8,  8,  9,  9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10, 10,
     10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10,
     10, 10, 10, 10, 10, 10, 10,  9,  9,  9,  9,  9,  9,  9,  8,  8,
      8,  8,  8,  7,  7,  7,  7,  7,  7,  6,  6,  6,  5,  4,  4,  3,
 };
 
 static const uint8_t l_u_byryi[256] = {
      1,  3,  4,  6,  6,  7,  8,  8,  9,  9, 10, 10, 10, 11, 11, 11,
     12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15,
     15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15,
     15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12,
     12, 11, 11, 11, 10, 10, 10,  9,  9,  8,  8,  7,  7,  5,  4,  3,
 };
 
1a57b464
 static const uint8_t l_r_rgbxi[1024] = {
      3,  4,  4,  4,  5,  5,  6,  6,  6,  7,  7,  7,  7,  8,  8,  8,
      8,  8,  8,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
      9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
     12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
     11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10,
     10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  9,  9,
      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,
      8,  8,  8,  8,  7,  7,  7,  7,  6,  6,  6,  5,  5,  4,  4,  4,
 };
 
 static const uint8_t l_g_rgbxi[1024] = {
      2,  3,  4,  4,  6,  6,  7,  7,  7,  7,  7,  7,  8,  8,  8,  8,
      9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11,
     11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13,
     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14,
     14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
     16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
     15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
     14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
     13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11,
     11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10,  9,  9,  9,
      9,  8,  8,  8,  8,  7,  7,  7,  7,  7,  7,  6,  6,  4,  4,  3,
 };
 
2ed8baa6
 static void decode_ca4i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v, *dst_a;
     int x, y;
 
     dst_a = (uint16_t *)p->data[3];
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
 
     for (y = 0; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_a[x] = get_bits(gb, 10);
                 dst_y[x] = get_bits(gb, 10);
                 dst_u[x] = get_bits(gb, 10);
                 dst_v[x] = get_bits(gb, 10);
             }
         } else {
             int pred[4] = { 502, 512, 512, 502 };
 
             for (x = 0; x < avctx->width; x++) {
                 int y, u, v, a;
 
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff;
                 dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff;
                 dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff;
                 dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff;
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
         dst_a += p->linesize[3] / 2;
     }
 }
 
fdf832a9
 static void decode_ca4p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v, *dst_a;
     int x, y;
 
     dst_a = (uint16_t *)p->data[3];
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_a[x] = get_bits(gb, 10);
             dst_y[x] = get_bits(gb, 10);
             dst_u[x] = get_bits(gb, 10);
             dst_v[x] = get_bits(gb, 10);
         }
     } else {
         int pred[4] = { 502, 512, 512, 502 };
 
         for (x = 0; x < avctx->width; x++) {
             int y, u, v, a;
 
             a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff;
             dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff;
             dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff;
             dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff;
         }
     }
 
     dst_y += p->linesize[0] / 2;
     dst_u += p->linesize[1] / 2;
     dst_v += p->linesize[2] / 2;
     dst_a += p->linesize[3] / 2;
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_a[x] = get_bits(gb, 10);
                 dst_y[x] = get_bits(gb, 10);
                 dst_u[x] = get_bits(gb, 10);
                 dst_v[x] = get_bits(gb, 10);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int y, u, v, a;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
             pred_TL[3] = pred_L[3] = dst_a[-p->linesize[3] / 2];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
                 pred_T[1] = dst_u[-p->linesize[1] / 2 + x];
                 pred_T[2] = dst_v[-p->linesize[2] / 2 + x];
                 pred_T[3] = dst_a[-p->linesize[3] / 2 + x];
 
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_a[x] = pred_L[3] = (a + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0x3ff;
                 dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
                 dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
                 dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
                 pred_TL[3] = pred_T[3];
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
         dst_a += p->linesize[3] / 2;
     }
 }
 
2ed8baa6
 static void decode_ybr10i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
 
     for (y = 0; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_y[x] = get_bits(gb, 10);
                 dst_u[x] = get_bits(gb, 10);
                 dst_v[x] = get_bits(gb, 10);
             }
         } else {
             int pred[4] = { 502, 512, 512, 512 };
 
             for (x = 0; x < avctx->width; x++) {
                 int y, u, v;
 
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff;
                 dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff;
                 dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff;
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
     }
 }
 
fdf832a9
 static void decode_ybr10(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_y[x] = get_bits(gb, 10);
             dst_u[x] = get_bits(gb, 10);
             dst_v[x] = get_bits(gb, 10);
         }
     } else {
         int pred[4] = { 502, 512, 512, 512 };
 
         for (x = 0; x < avctx->width; x++) {
             int y, u, v;
 
             y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff;
             dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff;
             dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff;
         }
     }
 
     dst_y += p->linesize[0] / 2;
     dst_u += p->linesize[1] / 2;
     dst_v += p->linesize[2] / 2;
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_y[x] = get_bits(gb, 10);
                 dst_u[x] = get_bits(gb, 10);
                 dst_v[x] = get_bits(gb, 10);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int y, u, v;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
                 pred_T[1] = dst_u[-p->linesize[1] / 2 + x];
                 pred_T[2] = dst_v[-p->linesize[2] / 2 + x];
 
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
                 dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
                 dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
     }
 }
 
9e9286e9
 static void decode_yry10i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
 
     for (y = 0; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_y[x    ] = get_bits(gb, 10);
                 dst_u[x / 2] = get_bits(gb, 10);
                 dst_y[x + 1] = get_bits(gb, 10);
                 dst_v[x / 2] = get_bits(gb, 10);
             }
         } else {
             int pred[4] = { 502, 512, 512, 0 };
 
             for (x = 0; x < avctx->width; x += 2) {
                 int y1, y2, u, v;
 
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0x3ff;
                 dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0x3ff;
                 dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff;
                 dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0x3ff;
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
     }
 }
 
fdf832a9
 static void decode_yry10(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x += 2) {
             dst_y[x    ] = get_bits(gb, 10);
             dst_u[x / 2] = get_bits(gb, 10);
             dst_y[x + 1] = get_bits(gb, 10);
             dst_v[x / 2] = get_bits(gb, 10);
         }
     } else {
         int pred[4] = { 502, 512, 512, 0 };
 
         for (x = 0; x < avctx->width; x += 2) {
             int y1, y2, u, v;
 
             y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0x3ff;
             dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0x3ff;
             dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff;
             dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0x3ff;
         }
     }
 
     dst_y += p->linesize[0] / 2;
     dst_u += p->linesize[1] / 2;
     dst_v += p->linesize[2] / 2;
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_y[x    ] = get_bits(gb, 10);
                 dst_u[x / 2] = get_bits(gb, 10);
                 dst_y[x + 1] = get_bits(gb, 10);
                 dst_v[x / 2] = get_bits(gb, 10);
             }
         } else {
             int pred_TL[6], pred_L[6], pred_T[6];
             int y1, y2, u, v;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
 
             for (x = 0; x < avctx->width; x += 2) {
                 pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
                 pred_T[3] = dst_y[-p->linesize[0] / 2 + x + 1];
                 pred_T[1] = dst_u[-p->linesize[1] / 2 + x / 2];
                 pred_T[2] = dst_v[-p->linesize[2] / 2 + x / 2];
 
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
                 dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0x3ff;
                 dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0x3ff;
                 dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0x3ff;
 
                 pred_TL[0] = pred_T[3];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
     }
 }
 
9e9286e9
 static void decode_ca2i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v, *dst_a;
     int x, y;
 
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
     dst_a = (uint16_t *)p->data[3];
 
     for (y = 0; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_a[x    ] = get_bits(gb, 10);
                 dst_y[x    ] = get_bits(gb, 10);
                 dst_u[x / 2] = get_bits(gb, 10);
                 dst_a[x + 1] = get_bits(gb, 10);
                 dst_y[x + 1] = get_bits(gb, 10);
                 dst_v[x / 2] = get_bits(gb, 10);
             }
         } else {
             int pred[4] = { 502, 512, 512, 502 };
 
             for (x = 0; x < avctx->width; x += 2) {
                 int y1, y2, u, v, a1, a2;
 
                 a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0x3ff;
                 dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0x3ff;
                 dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff;
                 dst_a[x    ] = pred[3] = (a1 + pred[3]) & 0x3ff;
                 dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0x3ff;
                 dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0x3ff;
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
         dst_a += p->linesize[3] / 2;
     }
 }
 
fdf832a9
 static void decode_ca2p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_y, *dst_u, *dst_v, *dst_a;
     int x, y;
 
     dst_y = (uint16_t *)p->data[0];
     dst_u = (uint16_t *)p->data[1];
     dst_v = (uint16_t *)p->data[2];
     dst_a = (uint16_t *)p->data[3];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x += 2) {
c206a324
             dst_a[x    ] = get_bits(gb, 10);
fdf832a9
             dst_y[x    ] = get_bits(gb, 10);
             dst_u[x / 2] = get_bits(gb, 10);
c206a324
             dst_a[x + 1] = get_bits(gb, 10);
fdf832a9
             dst_y[x + 1] = get_bits(gb, 10);
             dst_v[x / 2] = get_bits(gb, 10);
         }
     } else {
         int pred[4] = { 502, 512, 512, 502 };
 
         for (x = 0; x < avctx->width; x += 2) {
             int y1, y2, u, v, a1, a2;
 
             a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0x3ff;
             dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0x3ff;
             dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff;
             dst_a[x    ] = pred[3] = (a1 + pred[3]) & 0x3ff;
             dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0x3ff;
             dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0x3ff;
         }
     }
 
     dst_y += p->linesize[0] / 2;
     dst_u += p->linesize[1] / 2;
     dst_v += p->linesize[2] / 2;
     dst_a += p->linesize[3] / 2;
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
c206a324
                 dst_a[x    ] = get_bits(gb, 10);
fdf832a9
                 dst_y[x    ] = get_bits(gb, 10);
                 dst_u[x / 2] = get_bits(gb, 10);
c206a324
                 dst_a[x + 1] = get_bits(gb, 10);
fdf832a9
                 dst_y[x + 1] = get_bits(gb, 10);
                 dst_v[x / 2] = get_bits(gb, 10);
             }
         } else {
             int pred_TL[6], pred_L[6], pred_T[6];
             int y1, y2, u, v, a1, a2;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
             pred_TL[4] = pred_L[4] = dst_a[-p->linesize[3] / 2];
 
             for (x = 0; x < avctx->width; x += 2) {
                 pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
                 pred_T[3] = dst_y[-p->linesize[0] / 2 + x + 1];
                 pred_T[1] = dst_u[-p->linesize[1] / 2 + x / 2];
                 pred_T[2] = dst_v[-p->linesize[2] / 2 + x / 2];
                 pred_T[4] = dst_a[-p->linesize[3] / 2 + x];
                 pred_T[5] = dst_a[-p->linesize[3] / 2 + x + 1];
 
                 a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
                 dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0x3ff;
                 dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0x3ff;
                 dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0x3ff;
                 dst_a[x    ] = pred_L[4] = (a1 + ((3 * (pred_T[4] + pred_L[4]) - 2 * pred_TL[4]) >> 2)) & 0x3ff;
                 dst_a[x + 1] = pred_L[4] = (a2 + ((3 * (pred_T[5] + pred_L[4]) - 2 * pred_T[4]) >> 2)) & 0x3ff;
 
                 pred_TL[0] = pred_T[3];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
                 pred_TL[4] = pred_T[5];
             }
         }
 
         dst_y += p->linesize[0] / 2;
         dst_u += p->linesize[1] / 2;
         dst_v += p->linesize[2] / 2;
         dst_a += p->linesize[3] / 2;
     }
 }
 
e826ceeb
 static void decode_c82i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_y, *dst_u, *dst_v, *dst_a;
     int x, y;
 
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
     dst_a = p->data[3];
 
     for (y = 0; y < avctx->height; y += 1) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_a[x    ] = get_bits(gb, 8);
                 dst_y[x    ] = get_bits(gb, 8);
                 dst_u[x / 2] = get_bits(gb, 8);
                 dst_a[x + 1] = get_bits(gb, 8);
                 dst_y[x + 1] = get_bits(gb, 8);
                 dst_v[x / 2] = get_bits(gb, 8);
             }
         } else {
             int pred[4] = { 125, -128, -128, 125 };
 
             for (x = 0; x < avctx->width; x += 2) {
                 int y1, y2, u, v, a1, a2;
 
                 a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0xff;
                 dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
                 dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0xff;
                 dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0xff;
                 dst_a[x    ] = pred[3] = (a1 + pred[3]) & 0xff;
                 dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0xff;
             }
         }
 
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
         dst_a += p->linesize[3];
     }
 }
 
fdf832a9
 static void decode_c82p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_y, *dst_u, *dst_v, *dst_a;
     int x, y;
 
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
     dst_a = p->data[3];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x += 2) {
c206a324
             dst_a[x    ] = get_bits(gb, 8);
fdf832a9
             dst_y[x    ] = get_bits(gb, 8);
             dst_u[x / 2] = get_bits(gb, 8);
c206a324
             dst_a[x + 1] = get_bits(gb, 8);
fdf832a9
             dst_y[x + 1] = get_bits(gb, 8);
             dst_v[x / 2] = get_bits(gb, 8);
         }
     } else {
0a9e781b
         int pred[4] = { 125, -128, -128, 125 };
fdf832a9
 
         for (x = 0; x < avctx->width; x += 2) {
             int y1, y2, u, v, a1, a2;
 
             a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0xff;
             dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0xff;
             dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
             dst_a[x    ] = pred[3] = (a1 + pred[3]) & 0xff;
             dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0xff;
             dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0xff;
         }
     }
 
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
     dst_a += p->linesize[3];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
c206a324
                 dst_a[x    ] = get_bits(gb, 8);
fdf832a9
                 dst_y[x    ] = get_bits(gb, 8);
                 dst_u[x / 2] = get_bits(gb, 8);
c206a324
                 dst_a[x + 1] = get_bits(gb, 8);
fdf832a9
                 dst_y[x + 1] = get_bits(gb, 8);
                 dst_v[x / 2] = get_bits(gb, 8);
             }
         } else {
             int pred_TL[6], pred_L[6], pred_T[6];
             int y1, y2, u, v, a1, a2;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
             pred_TL[4] = pred_L[4] = dst_a[-p->linesize[3]];
 
             for (x = 0; x < avctx->width; x += 2) {
                 pred_T[0] = dst_y[-p->linesize[0] + x];
                 pred_T[3] = dst_y[-p->linesize[0] + x + 1];
                 pred_T[1] = dst_u[-p->linesize[1] + x / 2];
                 pred_T[2] = dst_v[-p->linesize[2] + x / 2];
                 pred_T[4] = dst_a[-p->linesize[3] + x];
                 pred_T[5] = dst_a[-p->linesize[3] + x + 1];
 
                 a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
                 dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff;
                 dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff;
                 dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff;
                 dst_a[x    ] = pred_L[4] = (a1 + ((3 * (pred_T[4] + pred_L[4]) - 2 * pred_TL[4]) >> 2)) & 0xff;
                 dst_a[x + 1] = pred_L[4] = (a2 + ((3 * (pred_T[5] + pred_L[4]) - 2 * pred_T[4]) >> 2)) & 0xff;
 
                 pred_TL[0] = pred_T[3];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
                 pred_TL[4] = pred_T[5];
             }
         }
 
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
         dst_a += p->linesize[3];
     }
 }
 
 static void decode_ybyr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x += 2) {
             dst_y[x    ] = get_bits(gb, 8);
dccea0ed
             dst_u[x / 2] = get_bits(gb, 8) + 128;
fdf832a9
             dst_y[x + 1] = get_bits(gb, 8);
dccea0ed
             dst_v[x / 2] = get_bits(gb, 8) + 128;
fdf832a9
         }
     } else {
c156420b
         int pred[4] = { -128, 128, 128, 0 };
fdf832a9
 
         for (x = 0; x < avctx->width; x += 2) {
             int y1, y2, u, v;
 
             y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0xff;
             dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0xff;
             dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
             dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0xff;
         }
     }
 
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_y[x    ] = get_bits(gb, 8);
dccea0ed
                 dst_u[x / 2] = get_bits(gb, 8) + 128;
fdf832a9
                 dst_y[x + 1] = get_bits(gb, 8);
dccea0ed
                 dst_v[x / 2] = get_bits(gb, 8) + 128;
fdf832a9
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int y1, y2, u, v;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
 
             for (x = 0; x < avctx->width; x += 2) {
                 pred_T[0] = dst_y[-p->linesize[0] + x];
                 pred_T[3] = dst_y[-p->linesize[0] + x + 1];
                 pred_T[1] = dst_u[-p->linesize[1] + x / 2];
                 pred_T[2] = dst_v[-p->linesize[2] + x / 2];
 
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
                 dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff;
                 dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff;
                 dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff;
 
                 pred_TL[0] = pred_T[3];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
             }
         }
 
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
     }
 }
 
e826ceeb
 static void decode_byryi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x += 2) {
             dst_y[x    ] = get_bits(gb, 8);
             dst_u[x / 2] = get_bits(gb, 8);
             dst_y[x + 1] = get_bits(gb, 8);
             dst_v[x / 2] = get_bits(gb, 8);
         }
     } else {
         int pred[4] = { 125, -128, -128, 0 };
 
         for (x = 0; x < avctx->width; x += 2) {
             int y1, y2, u, v;
 
             y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0xff;
             dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0xff;
             dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
             dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0xff;
         }
     }
 
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_y[x    ] = get_bits(gb, 8);
                 dst_u[x / 2] = get_bits(gb, 8);
                 dst_y[x + 1] = get_bits(gb, 8);
                 dst_v[x / 2] = get_bits(gb, 8);
             }
         } else {
             int pred_L[4];
             int y1, y2, u, v;
 
             pred_L[0] = dst_y[-p->linesize[0]];
             pred_L[1] = dst_u[-p->linesize[1]];
             pred_L[2] = dst_v[-p->linesize[2]];
 
             for (x = 0; x < avctx->width; x += 2) {
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred_L[0] = (y1 + pred_L[0]) & 0xff;
                 dst_u[x / 2] = pred_L[1] = (u  + pred_L[1]) & 0xff;
                 dst_y[x + 1] = pred_L[0] = (y2 + pred_L[0]) & 0xff;
                 dst_v[x / 2] = pred_L[2] = (v +  pred_L[2]) & 0xff;
             }
         }
 
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
     }
 }
 
fdf832a9
 static void decode_byry(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x += 2) {
             dst_y[x    ] = get_bits(gb, 8);
             dst_u[x / 2] = get_bits(gb, 8);
             dst_y[x + 1] = get_bits(gb, 8);
             dst_v[x / 2] = get_bits(gb, 8);
         }
     } else {
         int pred[4] = { 125, -128, -128, 0 };
 
         for (x = 0; x < avctx->width; x += 2) {
             int y1, y2, u, v;
 
             y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x    ] = pred[0] = (y1 + pred[0]) & 0xff;
             dst_u[x / 2] = pred[1] = (u  + pred[1]) & 0xff;
             dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
             dst_v[x / 2] = pred[2] = (v  + pred[2]) & 0xff;
         }
     }
 
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_y[x    ] = get_bits(gb, 8);
                 dst_u[x / 2] = get_bits(gb, 8);
                 dst_y[x + 1] = get_bits(gb, 8);
                 dst_v[x / 2] = get_bits(gb, 8);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int y1, y2, u, v;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
 
             for (x = 0; x < avctx->width; x += 2) {
                 pred_T[0] = dst_y[-p->linesize[0] + x];
                 pred_T[3] = dst_y[-p->linesize[0] + x + 1];
                 pred_T[1] = dst_u[-p->linesize[1] + x / 2];
                 pred_T[2] = dst_v[-p->linesize[2] + x / 2];
 
                 y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 v  = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x    ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
                 dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff;
                 dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff;
                 dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff;
 
                 pred_TL[0] = pred_T[3];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
             }
         }
 
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
     }
 }
 
131cb675
 static void decode_ybri(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_y[x] = get_bits(gb, 8);
             dst_u[x] = get_bits(gb, 8);
             dst_v[x] = get_bits(gb, 8);
         }
     } else {
260de8a2
         int pred[4] = { s->alt ? 125 : -146, -128, -128, -128 };
131cb675
 
         for (x = 0; x < avctx->width; x++) {
             int y, u, v;
 
             y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x] = pred[0] = (y + pred[0]) & 0xff;
             dst_u[x] = pred[1] = (u + pred[1]) & 0xff;
             dst_v[x] = pred[2] = (v + pred[2]) & 0xff;
         }
     }
 
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_y[x] = get_bits(gb, 8);
                 dst_u[x] = get_bits(gb, 8);
                 dst_v[x] = get_bits(gb, 8);
             }
         } else {
             int pred_L[4];
             int y, u, v;
 
             pred_L[0] = dst_y[-p->linesize[0]];
             pred_L[1] = dst_u[-p->linesize[1]];
             pred_L[2] = dst_v[-p->linesize[2]];
 
             for (x = 0; x < avctx->width; x++) {
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x] = pred_L[0] = (y + pred_L[0]) & 0xff;
                 dst_u[x] = pred_L[1] = (u + pred_L[1]) & 0xff;
                 dst_v[x] = pred_L[2] = (v + pred_L[2]) & 0xff;
             }
         }
 
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
     }
 }
 
fdf832a9
 static void decode_ybr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_y[x] = get_bits(gb, 8);
             dst_u[x] = get_bits(gb, 8);
             dst_v[x] = get_bits(gb, 8);
         }
     } else {
260de8a2
         int pred[4] = { s->alt ? 125 : -146, -128, -128, -128 };
fdf832a9
 
         for (x = 0; x < avctx->width; x++) {
             int y, u, v;
 
             y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_y[x] = pred[0] = (y + pred[0]) & 0xff;
             dst_u[x] = pred[1] = (u + pred[1]) & 0xff;
             dst_v[x] = pred[2] = (v + pred[2]) & 0xff;
         }
     }
 
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_y[x] = get_bits(gb, 8);
                 dst_u[x] = get_bits(gb, 8);
                 dst_v[x] = get_bits(gb, 8);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int y, u, v;
 
             pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
             pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
             pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst_y[-p->linesize[0] + x];
                 pred_T[1] = dst_u[-p->linesize[1] + x];
                 pred_T[2] = dst_v[-p->linesize[2] + x];
 
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
                 dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
                 dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
             }
         }
 
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
     }
 }
 
131cb675
 static void decode_aybri(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_a, *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_a = p->data[3];
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_a[x] = get_bits(gb, 8);
             dst_y[x] = get_bits(gb, 8);
             dst_u[x] = get_bits(gb, 8);
             dst_v[x] = get_bits(gb, 8);
         }
     } else {
46082c2b
         int pred[4] = { 125, s->alt ? 125 : -146, -128, -128 };
131cb675
 
         for (x = 0; x < avctx->width; x++) {
             int a, y, u, v;
 
             a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_a[x] = pred[0] = (a + pred[0]) & 0xff;
             dst_y[x] = pred[1] = (y + pred[1]) & 0xff;
             dst_u[x] = pred[2] = (u + pred[2]) & 0xff;
             dst_v[x] = pred[3] = (v + pred[3]) & 0xff;
         }
     }
 
     dst_a += p->linesize[3];
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_a[x] = get_bits(gb, 8);
                 dst_y[x] = get_bits(gb, 8);
                 dst_u[x] = get_bits(gb, 8);
                 dst_v[x] = get_bits(gb, 8);
             }
         } else {
             int pred_L[4];
             int a, y, u, v;
 
             pred_L[0] = dst_a[-p->linesize[3]];
             pred_L[1] = dst_y[-p->linesize[0]];
             pred_L[2] = dst_u[-p->linesize[1]];
             pred_L[3] = dst_v[-p->linesize[2]];
 
             for (x = 0; x < avctx->width; x++) {
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_a[x] = pred_L[0] = (a + pred_L[0]) & 0xff;
                 dst_y[x] = pred_L[1] = (y + pred_L[1]) & 0xff;
                 dst_u[x] = pred_L[2] = (u + pred_L[2]) & 0xff;
                 dst_v[x] = pred_L[3] = (v + pred_L[3]) & 0xff;
             }
         }
 
         dst_a += p->linesize[3];
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
     }
 }
 
fdf832a9
 static void decode_aybr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst_a, *dst_y, *dst_u, *dst_v;
     int x, y;
 
     dst_a = p->data[3];
     dst_y = p->data[0];
     dst_u = p->data[1];
     dst_v = p->data[2];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_a[x] = get_bits(gb, 8);
             dst_y[x] = get_bits(gb, 8);
             dst_u[x] = get_bits(gb, 8);
             dst_v[x] = get_bits(gb, 8);
         }
     } else {
46082c2b
         int pred[4] = { 125, s->alt ? 125 : -146, -128, -128 };
fdf832a9
 
         for (x = 0; x < avctx->width; x++) {
             int a, y, u, v;
 
             a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_a[x] = pred[0] = (a + pred[0]) & 0xff;
             dst_y[x] = pred[1] = (y + pred[1]) & 0xff;
             dst_u[x] = pred[2] = (u + pred[2]) & 0xff;
             dst_v[x] = pred[3] = (v + pred[3]) & 0xff;
         }
     }
 
     dst_a += p->linesize[3];
     dst_y += p->linesize[0];
     dst_u += p->linesize[1];
     dst_v += p->linesize[2];
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_a[x] = get_bits(gb, 8);
                 dst_y[x] = get_bits(gb, 8);
                 dst_u[x] = get_bits(gb, 8);
                 dst_v[x] = get_bits(gb, 8);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int a, y, u, v;
 
             pred_TL[0] = pred_L[0] = dst_a[-p->linesize[3]];
             pred_TL[1] = pred_L[1] = dst_y[-p->linesize[0]];
             pred_TL[2] = pred_L[2] = dst_u[-p->linesize[1]];
             pred_TL[3] = pred_L[3] = dst_v[-p->linesize[2]];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst_a[-p->linesize[3] + x];
                 pred_T[1] = dst_y[-p->linesize[0] + x];
                 pred_T[2] = dst_u[-p->linesize[1] + x];
                 pred_T[3] = dst_v[-p->linesize[2] + x];
 
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_a[x] = pred_L[0] = (a + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
                 dst_y[x] = pred_L[1] = (y + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
                 dst_u[x] = pred_L[2] = (u + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
                 dst_v[x] = pred_L[3] = (v + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0xff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
                 pred_TL[3] = pred_T[3];
             }
         }
 
         dst_a += p->linesize[3];
         dst_y += p->linesize[0];
         dst_u += p->linesize[1];
         dst_v += p->linesize[2];
     }
 }
 
1a57b464
 static void decode_argxi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_r, *dst_g, *dst_b, *dst_a;
     int x, y;
 
     dst_r = (uint16_t *)p->data[2];
     dst_g = (uint16_t *)p->data[0];
     dst_b = (uint16_t *)p->data[1];
     dst_a = (uint16_t *)p->data[3];
 
     for (y = 0; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_a[x] = get_bits(gb, 10);
                 dst_r[x] = get_bits(gb, 10);
                 dst_g[x] = get_bits(gb, 10);
                 dst_b[x] = get_bits(gb, 10);
             }
         } else {
             int pred[4] = { 512, 512, 512, 512 };
 
             for (x = 0; x < avctx->width; x++) {
                 int r, g, b, a;
 
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff;
                 dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff;
                 dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff;
                 dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff;
             }
         }
 
         dst_r += p->linesize[2] / 2;
         dst_g += p->linesize[0] / 2;
         dst_b += p->linesize[1] / 2;
         dst_a += p->linesize[3] / 2;
     }
 }
 
fdf832a9
 static void decode_argx(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_r, *dst_g, *dst_b, *dst_a;
     int x, y;
 
     dst_r = (uint16_t *)p->data[2];
     dst_g = (uint16_t *)p->data[0];
     dst_b = (uint16_t *)p->data[1];
     dst_a = (uint16_t *)p->data[3];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_a[x] = get_bits(gb, 10);
             dst_r[x] = get_bits(gb, 10);
             dst_g[x] = get_bits(gb, 10);
             dst_b[x] = get_bits(gb, 10);
         }
     } else {
f0e7b064
         int pred[4] = { 512, 512, 512, 512 };
fdf832a9
 
         for (x = 0; x < avctx->width; x++) {
             int r, g, b, a;
 
             a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff;
             dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff;
             dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff;
             dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff;
         }
     }
 
     dst_r += p->linesize[2] / 2;
     dst_g += p->linesize[0] / 2;
     dst_b += p->linesize[1] / 2;
     dst_a += p->linesize[3] / 2;
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_a[x] = get_bits(gb, 10);
                 dst_r[x] = get_bits(gb, 10);
                 dst_g[x] = get_bits(gb, 10);
                 dst_b[x] = get_bits(gb, 10);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int r, g, b, a;
 
             pred_TL[0] = pred_L[0] = dst_r[-p->linesize[2] / 2];
             pred_TL[1] = pred_L[1] = dst_g[-p->linesize[0] / 2];
             pred_TL[2] = pred_L[2] = dst_b[-p->linesize[1] / 2];
             pred_TL[3] = pred_L[3] = dst_a[-p->linesize[3] / 2];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst_r[-p->linesize[2] / 2 + x];
                 pred_T[1] = dst_g[-p->linesize[0] / 2 + x];
                 pred_T[2] = dst_b[-p->linesize[1] / 2 + x];
                 pred_T[3] = dst_a[-p->linesize[3] / 2 + x];
 
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_a[x] = pred_L[3] = (a + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0x3ff;
                 dst_r[x] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
                 dst_g[x] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
                 dst_b[x] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
                 pred_TL[3] = pred_T[3];
             }
         }
 
         dst_r += p->linesize[2] / 2;
         dst_g += p->linesize[0] / 2;
         dst_b += p->linesize[1] / 2;
         dst_a += p->linesize[3] / 2;
     }
 }
 
1a57b464
 static void decode_rgbxi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_r, *dst_g, *dst_b;
     int x, y;
 
     dst_r = (uint16_t *)p->data[2];
     dst_g = (uint16_t *)p->data[0];
     dst_b = (uint16_t *)p->data[1];
 
     for (y = 0; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_r[x] = get_bits(gb, 10);
                 dst_g[x] = get_bits(gb, 10);
                 dst_b[x] = get_bits(gb, 10);
             }
         } else {
             int pred[4] = { 512, 512, 512, 0 };
 
             for (x = 0; x < avctx->width; x++) {
                 int r, g, b;
 
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff;
                 dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff;
                 dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff;
             }
         }
 
         dst_r += p->linesize[2] / 2;
         dst_g += p->linesize[0] / 2;
         dst_b += p->linesize[1] / 2;
     }
 }
 
fdf832a9
 static void decode_rgbx(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint16_t *dst_r, *dst_g, *dst_b;
     int x, y;
 
     dst_r = (uint16_t *)p->data[2];
     dst_g = (uint16_t *)p->data[0];
     dst_b = (uint16_t *)p->data[1];
 
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst_r[x] = get_bits(gb, 10);
             dst_g[x] = get_bits(gb, 10);
             dst_b[x] = get_bits(gb, 10);
         }
     } else {
         int pred[4] = { 512, 512, 512, 0 };
 
         for (x = 0; x < avctx->width; x++) {
             int r, g, b;
 
             r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff;
             dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff;
             dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff;
         }
     }
 
     dst_r += p->linesize[2] / 2;
     dst_g += p->linesize[0] / 2;
     dst_b += p->linesize[1] / 2;
 
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst_r[x] = get_bits(gb, 10);
                 dst_g[x] = get_bits(gb, 10);
                 dst_b[x] = get_bits(gb, 10);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int r, g, b;
 
             pred_TL[0] = pred_L[0] = dst_r[-p->linesize[2] / 2];
             pred_TL[1] = pred_L[1] = dst_g[-p->linesize[0] / 2];
             pred_TL[2] = pred_L[2] = dst_b[-p->linesize[1] / 2];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst_r[-p->linesize[2] / 2 + x];
                 pred_T[1] = dst_g[-p->linesize[0] / 2 + x];
                 pred_T[2] = dst_b[-p->linesize[1] / 2 + x];
 
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst_r[x] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
                 dst_g[x] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
                 dst_b[x] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
             }
         }
 
         dst_r += p->linesize[2] / 2;
         dst_g += p->linesize[0] / 2;
         dst_b += p->linesize[1] / 2;
     }
 }
 
60bac785
 static void decode_argbi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst;
     int x, y;
 
     dst = p->data[0];
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst[x * 4 + 0] = get_bits(gb, 8);
             dst[x * 4 + 1] = get_bits(gb, 8);
             dst[x * 4 + 2] = get_bits(gb, 8);
             dst[x * 4 + 3] = get_bits(gb, 8);
         }
     } else {
         int pred[4] = { -128, -128, -128, -128 };
 
         for (x = 0; x < avctx->width; x++) {
             int a, r, g, b;
 
             a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst[4 * x + 0] = pred[0] = (a + pred[0]) & 0xff;
             dst[4 * x + 1] = pred[1] = (r + pred[1]) & 0xff;
             dst[4 * x + 2] = pred[2] = (r + g + pred[2]) & 0xff;
             dst[4 * x + 3] = pred[3] = (r + g + b + pred[3]) & 0xff;
         }
     }
 
     dst += p->linesize[0];
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst[x * 4 + 0] = get_bits(gb, 8);
                 dst[x * 4 + 1] = get_bits(gb, 8);
                 dst[x * 4 + 2] = get_bits(gb, 8);
                 dst[x * 4 + 3] = get_bits(gb, 8);
             }
         } else {
             int pred_L[4];
             int a, r, g, b;
 
             pred_L[0] = dst[-p->linesize[0] + 0];
             pred_L[1] = dst[-p->linesize[0] + 1];
             pred_L[2] = dst[-p->linesize[0] + 2];
             pred_L[3] = dst[-p->linesize[0] + 3];
 
             for (x = 0; x < avctx->width; x++) {
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst[4 * x + 0] = pred_L[0] = (a + pred_L[0]) & 0xff;
                 dst[4 * x + 1] = pred_L[1] = (r + pred_L[1]) & 0xff;
                 dst[4 * x + 2] = pred_L[2] = (r + g + pred_L[2]) & 0xff;
                 dst[4 * x + 3] = pred_L[3] = (r + g + b + pred_L[3]) & 0xff;
             }
         }
         dst += p->linesize[0];
     }
 }
 
fdf832a9
 static void decode_argb(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst;
     int x, y;
 
     dst = p->data[0];
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst[x * 4 + 0] = get_bits(gb, 8);
             dst[x * 4 + 1] = get_bits(gb, 8);
             dst[x * 4 + 2] = get_bits(gb, 8);
             dst[x * 4 + 3] = get_bits(gb, 8);
         }
     } else {
         int pred[4] = { -128, -128, -128, -128 };
 
         for (x = 0; x < avctx->width; x++) {
             int a, r, g, b;
 
             a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst[4 * x + 0] = pred[0] = (a + pred[0]) & 0xff;
             dst[4 * x + 1] = pred[1] = (r + pred[1]) & 0xff;
             dst[4 * x + 2] = pred[2] = (r + g + pred[2]) & 0xff;
             dst[4 * x + 3] = pred[3] = (r + g + b + pred[3]) & 0xff;
         }
     }
 
     dst += p->linesize[0];
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst[x * 4 + 0] = get_bits(gb, 8);
                 dst[x * 4 + 1] = get_bits(gb, 8);
                 dst[x * 4 + 2] = get_bits(gb, 8);
                 dst[x * 4 + 3] = get_bits(gb, 8);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int a, r, g, b;
 
             pred_TL[0] = pred_L[0] = dst[-p->linesize[0] + 0];
             pred_TL[1] = pred_L[1] = dst[-p->linesize[0] + 1];
             pred_TL[2] = pred_L[2] = dst[-p->linesize[0] + 2];
             pred_TL[3] = pred_L[3] = dst[-p->linesize[0] + 3];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst[-p->linesize[0] + 4 * x + 0];
                 pred_T[1] = dst[-p->linesize[0] + 4 * x + 1];
                 pred_T[2] = dst[-p->linesize[0] + 4 * x + 2];
                 pred_T[3] = dst[-p->linesize[0] + 4 * x + 3];
 
                 a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst[4 * x + 0] = pred_L[0] = (a + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
                 dst[4 * x + 1] = pred_L[1] = (r + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
                 dst[4 * x + 2] = pred_L[2] = (r + g + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
                 dst[4 * x + 3] = pred_L[3] = (r + g + b + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0xff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
                 pred_TL[3] = pred_T[3];
             }
         }
         dst += p->linesize[0];
     }
 }
 
60bac785
 static void decode_rgbi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst;
     int x, y;
 
     dst = p->data[0];
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst[x * 4 + 0] = get_bits(gb, 8);
             dst[x * 4 + 1] = get_bits(gb, 8);
             dst[x * 4 + 2] = get_bits(gb, 8);
         }
     } else {
         int pred[4] = { -128, -128, -128, -128 };
 
         for (x = 0; x < avctx->width; x++) {
             int r, g, b;
 
             r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst[4 * x + 0] = pred[0] = (r + pred[0]) & 0xff;
             dst[4 * x + 1] = pred[1] = (r + g + pred[1]) & 0xff;
             dst[4 * x + 2] = pred[2] = (r + g + b + pred[2]) & 0xff;
         }
     }
 
     dst += p->linesize[0];
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst[x * 4 + 0] = get_bits(gb, 8);
                 dst[x * 4 + 1] = get_bits(gb, 8);
                 dst[x * 4 + 2] = get_bits(gb, 8);
             }
         } else {
             int pred_L[4];
             int r, g, b;
 
             pred_L[0] = dst[-p->linesize[0] + 0];
             pred_L[1] = dst[-p->linesize[0] + 1];
             pred_L[2] = dst[-p->linesize[0] + 2];
 
             for (x = 0; x < avctx->width; x++) {
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst[4 * x + 0] = pred_L[0] = (r + pred_L[0]) & 0xff;
                 dst[4 * x + 1] = pred_L[1] = (r + g + pred_L[1]) & 0xff;
                 dst[4 * x + 2] = pred_L[2] = (r + g + b + pred_L[2]) & 0xff;
             }
         }
         dst += p->linesize[0];
     }
 }
 
fdf832a9
 static void decode_rgb(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
     uint8_t *dst;
     int x, y;
 
     dst = p->data[0];
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x++) {
             dst[x * 4 + 0] = get_bits(gb, 8);
             dst[x * 4 + 1] = get_bits(gb, 8);
             dst[x * 4 + 2] = get_bits(gb, 8);
         }
     } else {
         int pred[4] = { -128, -128, -128, -128 };
 
         for (x = 0; x < avctx->width; x++) {
             int r, g, b;
 
             r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
             g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
             b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
             dst[4 * x + 0] = pred[0] = (r + pred[0]) & 0xff;
             dst[4 * x + 1] = pred[1] = (r + g + pred[1]) & 0xff;
             dst[4 * x + 2] = pred[2] = (r + g + b + pred[2]) & 0xff;
         }
     }
 
     dst += p->linesize[0];
     for (y = 1; y < avctx->height; y++) {
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x++) {
                 dst[x * 4 + 0] = get_bits(gb, 8);
                 dst[x * 4 + 1] = get_bits(gb, 8);
                 dst[x * 4 + 2] = get_bits(gb, 8);
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];
             int r, g, b;
 
             pred_TL[0] = pred_L[0] = dst[-p->linesize[0] + 0];
             pred_TL[1] = pred_L[1] = dst[-p->linesize[0] + 1];
             pred_TL[2] = pred_L[2] = dst[-p->linesize[0] + 2];
 
             for (x = 0; x < avctx->width; x++) {
                 pred_T[0] = dst[-p->linesize[0] + 4 * x + 0];
                 pred_T[1] = dst[-p->linesize[0] + 4 * x + 1];
                 pred_T[2] = dst[-p->linesize[0] + 4 * x + 2];
 
                 r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
                 g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
                 b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
 
                 dst[4 * x + 0] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
                 dst[4 * x + 1] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
                 dst[4 * x + 2] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
 
                 pred_TL[0] = pred_T[0];
                 pred_TL[1] = pred_T[1];
                 pred_TL[2] = pred_T[2];
             }
         }
         dst += p->linesize[0];
     }
 }
 
 static int build_vlc(VLC *vlc, const uint8_t *len, int count)
 {
     uint32_t codes[1024];
     uint8_t bits[1024];
     uint16_t syms[1024];
     uint64_t index;
     int i;
 
     index = 0;
     for (i = 0; i < count; i++) {
         codes[i]  = index >> (32 - len[i]);
         bits[i] = len[i];
         syms[i]  = i;
         index += 1ULL << (32 - len[i]);
     }
 
     ff_free_vlc(vlc);
     return ff_init_vlc_sparse(vlc, 16, count,
                               bits,  sizeof(*bits),  sizeof(*bits),
                               codes, sizeof(*codes), sizeof(*codes),
                               syms,  sizeof(*syms),  sizeof(*syms), 0);
 }
 
 static int decode_frame(AVCodecContext *avctx,
                         void *data, int *got_frame,
                         AVPacket *avpkt)
 {
     SheerVideoContext *s = avctx->priv_data;
     ThreadFrame frame = { .f = data };
     AVFrame *p = data;
     GetBitContext gb;
     unsigned format;
     int ret;
 
     if (avpkt->size <= 20)
         return AVERROR_INVALIDDATA;
 
     if (AV_RL32(avpkt->data) != MKTAG('S','h','i','r') &&
         AV_RL32(avpkt->data) != MKTAG('Z','w','a','k'))
         return AVERROR_INVALIDDATA;
 
260de8a2
     s->alt = 0;
fdf832a9
     format = AV_RL32(avpkt->data + 16);
67e370ee
     av_log(avctx, AV_LOG_DEBUG, "format: %s\n", av_fourcc2str(format));
fdf832a9
     switch (format) {
     case MKTAG(' ', 'R', 'G', 'B'):
         avctx->pix_fmt = AV_PIX_FMT_RGB0;
         s->decode_frame = decode_rgb;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgb, 256);
             ret |= build_vlc(&s->vlc[1], l_g_rgb, 256);
fdf832a9
         }
         break;
60bac785
     case MKTAG(' ', 'r', 'G', 'B'):
         avctx->pix_fmt = AV_PIX_FMT_RGB0;
         s->decode_frame = decode_rgbi;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgbi, 256);
             ret |= build_vlc(&s->vlc[1], l_g_rgbi, 256);
60bac785
         }
         break;
fdf832a9
     case MKTAG('A', 'R', 'G', 'X'):
f0e7b064
         avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
fdf832a9
         s->decode_frame = decode_argx;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgbx, 1024);
             ret |= build_vlc(&s->vlc[1], l_g_rgbx, 1024);
fdf832a9
         }
         break;
1a57b464
     case MKTAG('A', 'r', 'G', 'X'):
         avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
         s->decode_frame = decode_argxi;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgbxi, 1024);
             ret |= build_vlc(&s->vlc[1], l_g_rgbxi, 1024);
1a57b464
         }
         break;
fdf832a9
     case MKTAG('R', 'G', 'B', 'X'):
         avctx->pix_fmt = AV_PIX_FMT_GBRP10;
         s->decode_frame = decode_rgbx;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgbx, 1024);
             ret |= build_vlc(&s->vlc[1], l_g_rgbx, 1024);
fdf832a9
         }
         break;
1a57b464
     case MKTAG('r', 'G', 'B', 'X'):
         avctx->pix_fmt = AV_PIX_FMT_GBRP10;
         s->decode_frame = decode_rgbxi;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgbxi, 1024);
             ret |= build_vlc(&s->vlc[1], l_g_rgbxi, 1024);
1a57b464
         }
         break;
fdf832a9
     case MKTAG('A', 'R', 'G', 'B'):
         avctx->pix_fmt = AV_PIX_FMT_ARGB;
         s->decode_frame = decode_argb;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgb, 256);
             ret |= build_vlc(&s->vlc[1], l_g_rgb, 256);
fdf832a9
         }
         break;
60bac785
     case MKTAG('A', 'r', 'G', 'B'):
         avctx->pix_fmt = AV_PIX_FMT_ARGB;
         s->decode_frame = decode_argbi;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_r_rgbi, 256);
             ret |= build_vlc(&s->vlc[1], l_g_rgbi, 256);
60bac785
         }
         break;
0c7fa152
     case MKTAG('A', 'Y', 'B', 'R'):
46082c2b
         s->alt = 1;
fdf832a9
     case MKTAG('A', 'Y', 'b', 'R'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
         s->decode_frame = decode_aybr;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybr, 256);
             ret |= build_vlc(&s->vlc[1], l_u_ybr, 256);
fdf832a9
         }
         break;
0c7fa152
     case MKTAG('A', 'y', 'B', 'R'):
46082c2b
         s->alt = 1;
131cb675
     case MKTAG('A', 'y', 'b', 'R'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
         s->decode_frame = decode_aybri;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybri, 256);
             ret |= build_vlc(&s->vlc[1], l_u_ybri, 256);
131cb675
         }
         break;
0c7fa152
     case MKTAG(' ', 'Y', 'B', 'R'):
260de8a2
         s->alt = 1;
fdf832a9
     case MKTAG(' ', 'Y', 'b', 'R'):
         avctx->pix_fmt = AV_PIX_FMT_YUV444P;
         s->decode_frame = decode_ybr;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybr, 256);
             ret |= build_vlc(&s->vlc[1], l_u_ybr, 256);
fdf832a9
         }
         break;
0c7fa152
     case MKTAG(' ', 'y', 'B', 'R'):
260de8a2
         s->alt = 1;
131cb675
     case MKTAG(' ', 'y', 'b', 'R'):
         avctx->pix_fmt = AV_PIX_FMT_YUV444P;
         s->decode_frame = decode_ybri;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybri, 256);
             ret |= build_vlc(&s->vlc[1], l_u_ybri, 256);
131cb675
         }
         break;
fdf832a9
     case MKTAG('Y', 'B', 'R', 0x0a):
         avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
         s->decode_frame = decode_ybr10;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybr10, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_ybr10, 1024);
fdf832a9
         }
         break;
2ed8baa6
     case MKTAG('y', 'B', 'R', 0x0a):
         avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
         s->decode_frame = decode_ybr10i;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
2ed8baa6
         }
         break;
fdf832a9
     case MKTAG('C', 'A', '4', 'p'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
         s->decode_frame = decode_ca4p;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybr10, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_ybr10, 1024);
fdf832a9
         }
         break;
2ed8baa6
     case MKTAG('C', 'A', '4', 'i'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
         s->decode_frame = decode_ca4i;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
2ed8baa6
         }
         break;
fdf832a9
     case MKTAG('B', 'Y', 'R', 'Y'):
         avctx->pix_fmt = AV_PIX_FMT_YUV422P;
         s->decode_frame = decode_byry;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_byry, 256);
             ret |= build_vlc(&s->vlc[1], l_u_byry, 256);
fdf832a9
         }
         break;
e826ceeb
     case MKTAG('B', 'Y', 'R', 'y'):
         avctx->pix_fmt = AV_PIX_FMT_YUV422P;
         s->decode_frame = decode_byryi;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_byryi, 256);
             ret |= build_vlc(&s->vlc[1], l_u_byryi, 256);
e826ceeb
         }
         break;
fdf832a9
     case MKTAG('Y', 'b', 'Y', 'r'):
         avctx->pix_fmt = AV_PIX_FMT_YUV422P;
         s->decode_frame = decode_ybyr;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_ybyr, 256);
             ret |= build_vlc(&s->vlc[1], l_u_ybyr, 256);
fdf832a9
         }
         break;
     case MKTAG('C', '8', '2', 'p'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA422P;
         s->decode_frame = decode_c82p;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_byry, 256);
             ret |= build_vlc(&s->vlc[1], l_u_byry, 256);
fdf832a9
         }
         break;
e826ceeb
     case MKTAG('C', '8', '2', 'i'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA422P;
         s->decode_frame = decode_c82i;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_byryi, 256);
             ret |= build_vlc(&s->vlc[1], l_u_byryi, 256);
e826ceeb
         }
         break;
fdf832a9
     case MKTAG(0xa2, 'Y', 'R', 'Y'):
         avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
         s->decode_frame = decode_yry10;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_yry10, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_yry10, 1024);
fdf832a9
         }
         break;
9e9286e9
     case MKTAG(0xa2, 'Y', 'R', 'y'):
         avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
         s->decode_frame = decode_yry10i;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_yry10i, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_yry10i, 1024);
9e9286e9
         }
         break;
fdf832a9
     case MKTAG('C', 'A', '2', 'p'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA422P10;
         s->decode_frame = decode_ca2p;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_yry10, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_yry10, 1024);
fdf832a9
         }
         break;
9e9286e9
     case MKTAG('C', 'A', '2', 'i'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA422P10;
         s->decode_frame = decode_ca2i;
         if (s->format != format) {
6098d4b8
             ret  = build_vlc(&s->vlc[0], l_y_yry10i, 1024);
             ret |= build_vlc(&s->vlc[1], l_u_yry10i, 1024);
9e9286e9
         }
         break;
fdf832a9
     default:
         avpriv_request_sample(avctx, "unsupported format: 0x%X", format);
         return AVERROR_PATCHWELCOME;
     }
6098d4b8
 
3e18f0fd
     if (avpkt->size < 20 + avctx->width * avctx->height / 16) {
         av_log(avctx, AV_LOG_ERROR, "Input packet too small\n");
         return AVERROR_INVALIDDATA;
     }
 
6098d4b8
     if (s->format != format) {
         if (ret < 0)
             return ret;
         s->format = format;
     }
fdf832a9
 
     p->pict_type = AV_PICTURE_TYPE_I;
     p->key_frame = 1;
 
     if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
         return ret;
 
     if ((ret = init_get_bits8(&gb, avpkt->data + 20, avpkt->size - 20)) < 0)
         return ret;
 
     s->decode_frame(avctx, p, &gb);
 
     *got_frame = 1;
 
     return avpkt->size;
 }
 
 #if HAVE_THREADS
 static int decode_init_thread_copy(AVCodecContext *avctx)
 {
     SheerVideoContext *s = avctx->priv_data;
 
     s->format = 0;
     memset(&s->vlc[0], 0, sizeof(s->vlc[0]));
     memset(&s->vlc[1], 0, sizeof(s->vlc[1]));
 
     return 0;
 }
 #endif
 
 static av_cold int decode_end(AVCodecContext *avctx)
 {
     SheerVideoContext *s = avctx->priv_data;
 
     ff_free_vlc(&s->vlc[0]);
     ff_free_vlc(&s->vlc[1]);
 
     return 0;
 }
 
 AVCodec ff_sheervideo_decoder = {
     .name             = "sheervideo",
     .long_name        = NULL_IF_CONFIG_SMALL("BitJazz SheerVideo"),
     .type             = AVMEDIA_TYPE_VIDEO,
     .id               = AV_CODEC_ID_SHEERVIDEO,
     .priv_data_size   = sizeof(SheerVideoContext),
     .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy),
     .close            = decode_end,
     .decode           = decode_frame,
     .capabilities     = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
 };