diff options
| author | Nick Kurshev <nickols_k@mail.ru> | 2002-07-09 16:08:43 +0000 |
|---|---|---|
| committer | Nick Kurshev <nickols_k@mail.ru> | 2002-07-09 16:08:43 +0000 |
| commit | be8ffec9cd9a12973d7fbb767cd75309601f7876 (patch) | |
| tree | 19a91cd3ca43e18fbc21d4e6ee882dcf59ee9be6 /libavcodec/svq1.c | |
| parent | 8db1a1dde0f61f98e9e69707eb10601e42ad3a34 (diff) | |
new codec: Sorenson v1
Originally committed as revision 726 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/svq1.c')
| -rw-r--r-- | libavcodec/svq1.c | 2632 |
1 files changed, 2632 insertions, 0 deletions
diff --git a/libavcodec/svq1.c b/libavcodec/svq1.c new file mode 100644 index 0000000000..1e834a287e --- /dev/null +++ b/libavcodec/svq1.c @@ -0,0 +1,2632 @@ +/* + * Copyright (C) 2002 the xine project + * + * This file is part of xine, a unix video player. + * Ported to libavcodec by Nick Kurshev <nickols_k@mail.ru> + * + * xine is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * xine 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + */ +//#define DEBUG_SVQ1 +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "avcodec.h" +#include "dsputil.h" +#include "mpegvideo.h" +#include "bswap.h" +//#define ALT_BITSTREAM_READER +//#define ALIGNED_BITSTREAM +#include "common.h" +#define bit_buffer_t GetBitContext +#define get_bit_cache(buf) (show_bits(buf,24)<<8) + +/* variable length (bit) code */ +typedef struct vlc_code_s { + int16_t value :10, + length :6; +} vlc_code_t; + +#define VIDEOBUFSIZE 1280 * 1024 + +#define MEDIAN(a,b,c) ((a < b != b >= c) ? b : ((a < c != c > b) ? c : a)) + +#define SVQ1_BLOCK_SKIP 0 +#define SVQ1_BLOCK_INTER 1 +#define SVQ1_BLOCK_INTER_4V 2 +#define SVQ1_BLOCK_INTRA 3 + +#define SVQ1_FRAME_INTRA 0 +#define SVQ1_FRAME_INTER 1 +#define SVQ1_FRAME_DROPPABLE 2 + +/* motion vector (prediction) */ +typedef struct svq1_pmv_s { + int x; + int y; +} svq1_pmv_t; + +/* 6x16-entry codebook for inter-coded 4x2 vectors */ +static int8_t inter_codebook_4x2[768] = { + 7, 2, -6, -7, 7, 3, -3, -4, -7, -2, 7, 8, -8, -4, 3, 4, + 19, 17, 9, 3,-14,-16,-12, -8,-18,-16, -8, -3, 11, 14, 12, 8, + 7,-16,-10, 20, 7,-17,-10, 20, -6, 18, 8,-21, -7, 18, 9,-20, + 25, 3,-20,-14, 29, 7,-18,-13,-29, -4, 21, 14,-31, -6, 20, 14, + -19,-26,-28,-24, 31, 32, 22, 10, 15, 24, 31, 28,-32,-32,-22,-13, + 2, -8,-23,-26, -9, 3, 27, 35, 3, 11, 21, 21, 8, -4,-27,-34, + -30,-31, 12, 47,-29,-30, 13, 47, 38, 30,-17,-46, 34, 26,-19,-46, + -42,-50,-51,-43, 34, 48, 55, 48, 48, 54, 51, 42,-44,-52,-53,-47, + 4, 5, 0, -6, -2, -2, 0, 1,-11, -6, -1, -2, 1, 8, 9, 1, + 0, 1, -6, 5, 8, 1,-12, 2, 7,-14, -7, 8, 5, -8, 0, 8, + 1, 4, 11, 8,-12, -8, 0, -5, -1, 1, 0, 4,-15, -8, 3, 16, + 17, 8, -4, -6, 9, -4,-13, -8, 2, 6, 1,-18, -1, 11, 11,-12, + 6, 0, 2, 0, 14, 6, -7,-21, 1, -1,-13,-20, 1, 1, 10, 21, + -22, -5, 7, 13,-11, -1, 4, 12, -7, 0, 14, 19, -4, 3, -5,-19, + -26,-14, 10, 15, 18, 4, -6, -2, 25, 19, -5,-18,-20, -7, 4, 2, + -13, -6, -1, -4, 25, 37, -2,-35, 5, 4, 1, 1,-21,-36, 2, 43, + 2, -2, -1, 3, 8, -2, -6, -1, -2, -3, 2, 12, -5, -2, -2, -1, + -3, -1, -1, -5, -1, 7, 8, -2, 2, 7, 5, -3, 1, 1, -3, -8, + -3, -1, -3, -2, -2, -3, 2, 13, 15, 0,-11, -6, 3, 0, 0, 0, + -6, -9, -5, -4, 18, 4, 1, 3, 12, 3, 0, 4,-16, -3, 3, -3, + -17, 3, 18, 2, -1, -3, -1, -1, -6, 16, -8, 0, -9, 14, -7, 0, + 3,-13, 14, -5, 3,-13, 14, -4, -7, 20, 14,-23, 8, -7, -8, 4, + 8,-15,-19, 16,-10, 13, 11, -3, 9, -1, 1, 26, 5,-15,-27, 2, + -20, 7, 16, -4,-40, 9, 31, 1, 26,-12,-30, -7, 40, -2,-19, 4, + 6, 0, 0, 0, -6, -2, 1, 2, 0, -1, 0, -6, 9, 0, -2, -1, + -7, 8, 2, -3, -1, 2, -3, 2, 7, -4, -2, 4, 2, 0, 0, -6, + -3, -2, 9, 2, -2, -1, 0, -4, -3, -3, 0, -3, -6, 2, 10, 4, + 3, 0,-10, 8, 0, 0, -4, 4, -1, 1, 4, 2, 3, -7, -9, 7, + 2, 1, -9, -4, -1, 12, 0, 0, 3, -1, 7, -4, 3,-14, 4, 2, + -12, -9, 1, 11, 2, 5, 1, 0, 3, 1, 0, 2, 0, 8, 6,-19, + -6,-10, -7, -4, 9, 7, 5, 7, 6, 21, 3, -3,-11, -9, -5, -2, + -4, -9,-16, -1, -2, -5, 1, 36, 8, 11, 19, 0, 2, 5, -4,-41, + -1, -1, -2, -1, -2, -2, 1, 6, 0, 4, 1, -8, 1, 1, 1, 0, + -2, -3, 4, 0, 2, -1, 3, -3, 1, 3, -4, 1, -1, 3, 0, -5, + 3, 4, 2, 3, -2, -3, -6, -1, -2, -3, -2, 2, -4, 8, 1, 0, + -7, 4, 2, 6, -7, -1, 1, 0, -2, 2, -4, 1, 8, -6, 2, -1, + -6, 2, 0, 2, 5, 4, -8, -1, -1,-11, 0, 9, 0, -2, 2, 2, + 17, -5, -4, -1, -1, -4, -2, -2, 0,-13, 9, -3, -1, 12, -7, 2, + 0, -2, -5, 2, -7, -5, 20, -3, 7, 7, -1,-30, 3, 5, 8, 1, + -6, 3, -1, -4, 2, -2,-11, 18, 0, -7, 3, 14, 20, -3,-18, -9, + 7, -2, 0, -1, -2, 0, 0, -1, -4, -1, 1, 0, -2, 2, 0, 4, + 1, -3, 2, 1, 3, 1, -5, 1, -3, 0, -1, -2, 7, 1, 0, -3, + 2, 5, 0, -2, 2, -5, -1, 1, -1, -2, 4, -1, 0, -3, 5, 0, + 0, 3, -1, -2, -4, 1, 5, -1, -1, 0, -1, 9, -1, -2, -1, -1, + -2, 5, 5, -1, -2, 2, -3, -2, 1, 2,-11, 1, 2, 1, 3, 2, + 2,-10, -1, -2, 4, 2, 4, 1, 4, 5, -5, 1, 0, 6,-11, 1, + 1, 0, 6, 6, 0, 2, 1,-15, 7, 3, 5, 9,-30, 2, 2, 2, + -34, 1, 9, 2, 5, 8, 8, 2, 7, 2, 6, 6, 2,-27, 1, 4 +}; + +/* 6x16-entry codebook for inter-coded 4x4 vectors */ +static int8_t inter_codebook_4x4[1536] = { + 4, 0, -6, -7, -4, -8,-13, -9, -8, -8, -1, 6, -2, 5, 22, 27, + -16, -7, 11, 10,-18, -7, 13, 10,-15, -4, 12, 8, -9, -1, 9, 5, + -2, 2, 15,-16, -3, 2, 19,-19, -3, 2, 19,-19, -2, 3, 15,-14, + 17, 22, 22, 16, -6, -7, -5, -2,-12,-16,-16,-12, 1, 1, -1, -3, + 11,-17, 0, 8, 14,-21, -1, 9, 14,-21, -2, 8, 11,-16, -2, 6, + 7, -2,-16, 11, 9, -2,-21, 14, 10, -1,-22, 14, 8, -1,-18, 10, + -10, 16, 3, -9,-13, 20, 4,-11,-14, 21, 4,-10,-11, 16, 3, -8, + 11, 4, -9, -9, 15, 6,-12,-14, 17, 8,-12,-14, 16, 10, -7,-11, + 4, 10, 14, 13, -1, 7, 15, 16,-12, -7, 3, 8,-20,-23,-18,-10, + -10,-18,-26,-25, 4, 1, -6,-11, 13, 15, 11, 3, 12, 15, 13, 8, + -16,-19,-16,-11, 7, 12, 15, 11, 11, 16, 16, 11, -6, -9,-11,-10, + 18, 19, 12, 5, 18, 16, 5, -4, 6, 0,-10,-15, -9,-17,-23,-22, + -10,-14, -1, 21,-11,-17, 0, 29,-11,-16, 1, 30,-10,-14, 0, 23, + -16,-17,-12, -6,-19,-19,-14, -7, -3, -1, 1, 2, 27, 35, 29, 19, + -37, -8, 23, 23,-42, -9, 28, 29,-43,-10, 26, 28,-38,-11, 19, 22, + 32, 16,-16,-33, 39, 20,-18,-37, 38, 19,-19,-38, 32, 15,-17,-34, + 24, 9, -6, -4, -1,-10, -6, 3, -8, -9, -1, 3, 3, 7, 2, -6, + -1, -3, -1, 0, -1, 4, 2, -7, -3, 11, 3,-16, 1, 20, 9,-18, + -3, -8, 6, 12, -5,-10, 7, 13, -6, -9, 5, 7, -5, -5, 2, -1, + -8, 12, -3, -1,-10, 15, -3, 1,-11, 13, -4, 1,-11, 8, -3, 2, + 9, 6, -5,-12, 3, 0, -8,-13, -4, -4, -1, -1, -4, 1, 15, 18, + 9, 13, 14, 12, 4, 3, -1, -2, -2, -5, -8, -5, -7,-11, -9, -4, + 7, -5, -7, -4, 14, -2, -7, -4, 17, 0, -8, -5, 15, 1, -7, -5, + -10, -1, 6, 4,-15, -9, 2, 4, 2, -1, -3, 0, 25, 13, -8,-10, + 7, 11, -3,-16, 7, 11, -3,-15, 6, 7, -2, -9, 4, 2, -3, -5, + -7, -1, -1, 0, -9, -2, 2, 6,-12, -4, 6, 14,-13, -6, 8, 19, + -18,-18,-11, -5, -3, 0, 3, 4, 6, 8, 6, 6, 6, 6, 6, 6, + -5, 3, 13,-10, -6, 1, 15, -9, -6, -3, 15, -6, -6, -6, 10, -3, + 9, 1, -9, -9, 11, 9, 6, 5, 0, 3, 8, 7,-15,-14, -6, -5, + -11, -6, 11, 19, -2, -5, -9, -8, 6, 2, -9,-10, 6, 5, 4, 5, + -7, -3, 8, 15, -1, 3, 10, 15, 5, 5, -1, -2, 4, -2,-21,-25, + 6, -6, -6, 5, 8, -9, -7, 9, 8,-12, -7, 13, 4,-14, -7, 14, + -4, -3, 1, 1, -3, -5, -2, -3, 7, 0, -2, -4, 20, 7, -4, -4, + -3,-20, -6, 10, 6, 0, 0, 1, 5, 8, 5, -1, -3, 0, 0, -2, + 13, 6, -1, 2, 5, 3, 2, 3, -3, 0, 3, 0,-16, -8, -2, -5, + -2, -7, -6, 0, -3, -6, -3, 1, -5, -1, 2, -1, -1, 12, 16, 5, + -7, 1, 9, 8,-10, -2, 5, 3, -6, 2, 7, 3, -4, 0, -1, -7, + 3, 4, -9,-24, 0, 2, 6, 3, -1, -1, 4, 7, 5, 3, -1, -2, + 3, 6, -9, 2, 1, 6,-13, 1, 1, 8,-10, 2, 1, 8, -7, 1, + -3, -3, 2, 22, -2, -3, -5, 12, -2, -3,-10, 2, -3, -1, -4, 2, + 11, 12, 8, 2, -5, -5, -5, -8, -6, -4, 0, -3, -2, -1, 3, 3, + 12, -6, -2, -1, 12, -8, -2, -2, 9, -7, 0, -3, 4, -6, 2, -2, + -19, 1, 12, -3, -4, 4, 5, -4, 6, 1, -2, -1, 4, -4, -2, 7, + -3, -4, -7, -8, -4, -4, -2, 0, -1, 2, 14, 16, -4, -2, 4, 4, + -1, 7, 2, -5, -2, 0, -1, 1, 4, -3, -1, 13, 6,-12,-14, 8, + -1, 5, 4, -5, -2, 5, 3, -9, -2, 7, 4,-12, -1, 7, 4, -9, + -6, -3, 1, 1, 11, 11, 0, -6, 6, 4, -2, -7,-12,-10, 3, 10, + -2, -3, -3, -2, 6, 11, 14, 10, -9,-11,-10,-10, 2, 2, 3, 2, + -7, -5, -7, -1, -1, 2, 0, 7, -1, 1, 0, 9, 3, 4, -5, -1, + 10, -1,-15, -1, 4, 1, -5, 2, -3, 1, -1, 1, -3, 1, 4, 4, + 2, -1, 4, 10, 6, 2, -1, 0, 2, 2, -7,-12, -4, 2, 0, -3, + -1, -4, -1, -8, 3, -1, 2, -9, 4, 0, 5, -5, 2, 0, 8, 3, + 3, 2, 1, 1, 4, -2, 0, 3, 2, -1, 4, 1, 0, 6, -1,-25, + -1, -2, -2, -4, -3, 0, -1, -4, -1, -1, -4, 2, 0, -6, 2, 25, + -11, -1, 5, 0, 7, 0, -2, 2, 10, -1, -3, 4, -5, -5, -2, -1, + 0, 6, 3, -1, -2, -1, -1, 1, -1, -7,-12, -5, 8, 6, 2, 4, + 2, 6, -1, -6, 9, 10, -1, -4, 1, 0, -4, 0, 3, -2, -9, -5, + -4, 3, 4, 0, -4, 3, 3, 0,-11, 0, 3, 2,-11, 3, 7, 2, + 2, -4, 7, 3, 1, -8, 7, 1, -1,-12, 4, 1, 3, -9, 2, 2, + 2, -2, -2, 9,-17, -3, 3, 1, -4, 7, 1, -6, 5, 4, -1, 3, + -1, 2, 0, -4, -7, 8, 12, -1, -2, 5, 4, -5, 3, -5, -8, -2, + 0, 0, -5, -2, -2, -8, 3, 27, -1, -4, -3, 6, -3, 1, -2, -7, + 4, 4, 1, -1, -7,-10, -7, -3, 10, 10, 5, 3, -2, -2, -4, -3, + 0, 1, 5, 7, 4, -2,-16,-20, 0, 4, 7, 8, 2, 0, -2, -1, + -2, 1, 3, 17, -3, 1, -2, -1, -1, -2, -1, -2, -1, -5, -1, 0, + 5, -3, 1, 0, 6, -2, 0, 0, -1, -2, 0, -3,-11, 1, 8, -1, + 3, 0, 0, 0, 0, 2, 4, 1, 2, 0, 6, 1, -2,-18, -3, 2, + -14, 0, 6, 1, -5, -2, -1, 1, -1, 1, 0, 1, 1, 7, 4, 0, + -1, 0, 1, -4, 1, 8, 3, -4, -3, 4, 1, 3, -6, 1, -4, 1, + 1,-12, 3, 3, -1,-10, 0, -1, 2, 0, 2, 1, 3, 2, 2, 4, + 3, 0, 0, 3, 2, 0, -2, 1, 5, 2, -5, 0, 6, -1,-14, -1, + -2, -6, -3, -3, 2, -1, 4, 5, 6, -1, -2, 0, 4, 4, -1, -5, + -4, 1,-11, 0, -1, 2, -4, 1, 2, -3, 3, -1, 1, -2, 15, 0, + 1, -1, 0, -2, 1, -4, -7, 1, -2, -6, -1, 21, -2, 2, -1, 1, + 21, -1, -2, 0, -1, -3, 1, -2, -9, -2, 2, -1, 2, 1, -4, -1, + 1, 8, 2, -6,-10, -1, 4, 0, -4, -3, 3, 3, 5, 0, -1, -1, + 3, 2, 1, -2, -2, -2, 4, 3, 5, 2, -4,-17, 0, -2, 4, 3, + -7, -4, 0, 3, 9, 9, 2, -1,-11, -6, 0, -1, 5, 1, 0, 1, + 0, 17, 5,-11, 3, -2, -6, 0, 2, -2, -4, 1, -4, 1, 2, -1, + -5, -1, -5, -3, -3, 5, -3, -2, 4, 16, 2, -5, -2, 5, -1, -1, + 0, 0, -4, 1, -1, 2, 5, 11, -1, -1, -2, 1, -4, -2, -3, -1, + -5, -1, 10, 0, 6, 1, 0, -3, 0, -4, 1, 0, -2, -4, 3, -1, + 6, 9, 3, 0, -2, 1, -2, 0, -2, -3, -2, -2, 1, 0, 1, -6, + 1, 0, 2, 1, -1, 3, -2, 1, 0, -1,-15, 0, -1, 5, 2, 6, + 2, 0, 2, 2, 0,-12, -4, 6, 0, 1, 4, -1, 1, 2, 1, -4, + 1, -2, -7, 0, 0, 0, 0, -1, -5, 2, 11, 3, 1, 3, 0, -6, + 0, -3, -9, -4, 1, 3, -1, 0, 4, 1, -2, 0, 7, -3, -1, 6, + 1, -2, 6, 2, 0, -1, 3, -2, -2, 4, 0, 2, -1, 2,-14, 2, + 2, 2, 0, -1, -2, 3, -3,-14, 0, 2, 3, -3, 5, 1, 3, 2, + 1, -3, 4,-14, 1, -2, 11, -1, 0, -1, 3, 0, -1, 1, 0, 2, + -2, 3, -3, 2, -4, -1, -4, 3, -1, 2, 1, 3, -6, -2, 2, 7, + -2, 1, 2, 0, -2, 0, 0, -1, 12, 5, -1, 2, -8, -1, 1, -7, + 2, -2, -4, 2, 11, 0,-11, -2, 3, 1, -3, -1, 0, 3, 1, -1, + 0, 3, 0, -2, 0, -6, -1, -3, 12, -7, -2, 0, 7, -2, 1, 1, + 1, 2, 2, 2, -1, 2, 0, 2,-23, 0, 4, 0, 3, 2, 1, 3, + -4, -5, -1, 5, -3, 5, 10, -1, 0, 0, 3, -4, 1, -1, 2, -5 +}; + +/* 6x16-entry codebook for inter-coded 8x4 vectors */ +static int8_t inter_codebook_8x4[3072] = { + 9, 8, 4, 0, -3, -4, -4, -3, 9, 8, 4, -1, -4, -5, -5, -3, + 8, 7, 3, -2, -5, -5, -5, -4, 6, 4, 1, -2, -4, -5, -4, -3, + -12,-14,-11, -4, 1, 5, 6, 6, -8,-10, -7, -5, -2, 1, 1, 1, + 5, 4, 3, 1, 0, 0, -1, -1, 13, 13, 9, 6, 3, 0, -1, -2, + -4, -4, -3, -1, 1, 4, 8, 11, -5, -6, -4, -2, 0, 3, 8, 12, + -7, -7, -6, -4, -2, 2, 7, 10, -7, -7, -5, -4, -2, 1, 5, 8, + -3, -2, -1, 1, 3, 6, 7, 6, 2, 3, 5, 7, 8, 8, 6, 4, + 4, 5, 4, 3, 1, -2, -6, -7, 1, 0, -2, -7,-10,-14,-17,-16, + -5, -4, 1, 8, 9, 3, -3, -7, -7, -6, 1, 11, 12, 5, -3, -8, + -8, -7, 0, 9, 11, 5, -3, -7, -8, -6, -1, 5, 8, 4, -2, -6, + -4, -5, -7, -8, -9, -9, -8, -6, -4, -5, -6, -7, -7, -6, -4, -2, + 0, 1, 2, 3, 5, 8, 10, 9, 1, 2, 3, 6, 9, 12, 14, 13, + 5, 6, 6, 5, 4, 3, 2, 1, 5, 6, 7, 7, 6, 6, 6, 4, + -1, 0, 1, 1, 3, 5, 5, 5,-13,-16,-17,-17,-14,-10, -6, -4, + 9, 11, 13, 16, 15, 13, 12, 10, -4, -5, -6, -7, -7, -7, -6, -5, + -6, -6, -7, -7, -7, -7, -6, -5, -2, -1, 0, 0, 0, 0, 0, -1, + -11,-13,-15,-16,-16,-14,-12,-10, 2, 3, 4, 5, 4, 3, 3, 3, + 6, 7, 8, 8, 8, 7, 6, 5, 3, 4, 3, 3, 3, 3, 3, 3, + 3, 4, 4, 1, -2, -7,-13,-17, 5, 7, 7, 5, 1, -5,-13,-19, + 6, 8, 9, 8, 5, -1, -9,-16, 6, 8, 10, 10, 7, 2, -4,-11, + 18, 9, -1,-10,-13, -9, -4, 0, 22, 12, -1,-12,-15,-10, -4, 2, + 23, 13, 0,-10,-13, -9, -3, 2, 20, 12, 2, -6, -9, -6, -2, 2, + -6, -6, -6, -7, -7, -7, -7, -6, -6, -7, -8, -8, -9, -9, -9, -8, + -3, -3, -3, -3, -3, -3, -3, -3, 12, 15, 18, 21, 21, 19, 17, 14, + 14, 16, 18, 18, 18, 16, 15, 13, 5, 6, 6, 5, 5, 4, 4, 3, + -6, -7, -9,-10,-10,-10, -9, -7,-10,-11,-13,-14,-14,-13,-12,-10, + -27,-17, -4, 5, 9, 10, 10, 7,-32,-19, -3, 7, 11, 12, 11, 8, + -30,-16, -2, 8, 12, 12, 10, 7,-23,-12, 0, 7, 10, 11, 9, 6, + 16, 17, 16, 12, 6, -1, -8,-12, 17, 18, 15, 10, 1, -8,-15,-18, + 15, 14, 10, 4, -5,-14,-20,-23, 10, 8, 4, -1, -9,-16,-21,-22, + -10,-12,-12,-11, -5, 4, 14, 20,-11,-13,-15,-12, -4, 7, 19, 27, + -11,-13,-14,-11, -3, 8, 21, 28,-10,-11,-12, -9, -2, 8, 18, 25, + -1, -1, -1, 1, 4, 6, 6, 5, 0, 0, 0, 2, 4, 3, 1, -2, + 0, 0, 2, 4, 4, -1, -7,-10, 0, 0, 3, 5, 3, -3,-11,-15, + -14,-13, -8, -1, 3, 3, -1, -4, -5, -4, -1, 4, 8, 8, 3, 0, + 3, 2, 2, 3, 4, 5, 3, 1, 5, 3, 0, -2, -2, -1, -1, -1, + 9, 1, -6, -6, -5, -3, -2, -1, 12, 1, -6, -6, -4, -2, -1, 0, + 14, 4, -4, -4, -2, -2, -1, -1, 14, 6, -1, -1, -1, -1, -1, -1, + 4, 6, 8, 10, 11, 9, 7, 5, -1, -1, -1, 0, 0, -1, -1, -2, + -2, -4, -4, -5, -5, -5, -5, -4, -2, -3, -3, -4, -4, -3, -2, -1, + 2, 3, 4, 4, 3, 1, 0, 0, -1, 1, 4, 5, 6, 5, 4, 3, + -8, -6, -2, 2, 3, 4, 4, 3,-14,-13, -9, -5, -2, -1, 0, 0, + -3, -4, -5, -4, 0, 7, 12, 13, -3, -4, -5, -5, -2, 4, 9, 10, + -2, -3, -4, -5, -4, -1, 3, 4, -1, -1, -2, -3, -3, -2, 0, 1, + 9, 5, -2, -8,-11,-10, -7, -4, 12, 10, 6, 2, 0, -1, 0, 0, + 2, 2, 3, 4, 3, 1, 1, 1, -9, -8, -4, 0, 1, 2, 1, 0, + 6, 8, 8, 5, 1, -5,-11,-13, 0, 1, 2, 2, -1, -4, -8,-11, + -3, -2, 1, 3, 3, 1, -1, -4, -2, -1, 2, 5, 6, 6, 4, 1, + 3, 4, 5, 5, 4, 1, -3, -6, 5, 6, 4, 2, 2, 2, 0, -3, + 6, 5, 0, -5, -5, -2, -1, -2, 7, 4, -3,-11,-12, -7, -3, -2, + 1, 0, -1, -1, -1, 0, 0, 0, 2, 3, 4, 4, 5, 5, 4, 3, + -7, -9, -9,-10,-10, -9, -7, -6, 3, 4, 5, 6, 5, 5, 5, 5, + -7, -7, -7, -7, -6, -6, -5, -4, -5, -4, -3, -1, -1, -1, 0, 0, + -3, -2, 1, 4, 5, 5, 5, 5, -2, -1, 3, 6, 9, 10, 10, 9, + -14, 1, 10, 3, -2, 0, 1, 1,-16, 2, 13, 3, -3, -1, 1, 0, + -15, 2, 12, 3, -4, -2, 1, 1,-10, 3, 10, 2, -3, -1, 1, 1, + 0, 1, 4, 2, -5,-10, -3, 11, -1, 1, 4, 2, -6,-13, -2, 15, + -1, 0, 3, 1, -6,-12, -1, 15, -1, 1, 2, 1, -4, -8, 0, 11, + 10, 5, -2, -2, 2, 5, 1, -4, 7, 0, -8, -6, 1, 5, 2, -4, + 2, -5,-12, -7, 2, 7, 4, -1, -1, -7,-10, -4, 4, 9, 7, 2, + -5, -5, -4, -6, -6, -5, -5, -3, -1, -2, -2, -4, -5, -6, -5, -4, + 6, 7, 7, 4, 0, -2, -3, -3, 13, 14, 13, 10, 5, 1, -1, -2, + 1, 1, 2, 2, 2, 2, 2, 2, -5, -6, -8, -9, -9, -8, -7, -6, + 7, 9, 10, 11, 11, 9, 7, 5, -1, -2, -3, -3, -4, -4, -4, -3, + -1, -1, 0, 0, 0, 0, -1, -1, -3, -3, -4, -5, -4, -3, -3, -2, + 2, 1, -1, -3, -3, -2, -1, 0, 12, 12, 8, 3, 1, 0, 0, 1, + -6, -8, -8, -6, -2, 2, 6, 8, 1, 1, -1, -2, 0, 3, 5, 7, + 3, 3, 1, -1, -1, 0, 0, 2, 0, 1, 0, -1, -1, -1, -2, -1, + 1, 0, 0, 0, 0, 0, 2, 4, 2, 1, 3, 4, 3, 1, 0, 2, + 2, 1, 0, 0, -1, -1, 0, 3, 5, 1, -6,-12,-13, -8, -1, 4, + -2, 0, -1, -2, -1, 0, 2, 3, -6, -3, -2, 0, 1, 1, 1, 1, + -9, -5, 0, 4, 5, 3, 1, 0, -8, -3, 3, 7, 8, 4, 1, 0, + 1, 2, 2, 3, 3, 1, -1, -3, 4, 5, 5, 6, 6, 5, 2, 0, + 0, 0, 0, 0, 1, 0, -2, -4, -3, -3, -4, -3, -3, -4, -7, -8, + 14, 12, 6, -1, -3, -3, 0, 0, 7, 5, 1, -3, -5, -4, -2, -1, + -2, -2, -2, -2, -2, -2, -1, -1, -6, -4, -1, 1, 1, 1, 0, -1, + 2, 2, 1, -3, -6, -7, -6, -3, 1, 0, -1, -3, -2, 1, 4, 6, + 0, 0, 1, 2, 4, 7, 8, 7, 0, 0, 0, 0, -1, -4, -7, -8, + 0, 2, 1, -2, -3, -3, -2, -1, -1, 1, 0, -3, -5, -2, 0, 2, + -2, -1, -2, -5, -4, 1, 6, 9, -3, -2, -3, -4, -2, 5, 11, 13, + -4, -2, 2, 6, 4, -3,-10,-14, -2, -1, 1, 4, 4, 1, -1, -2, + 0, 0, -1, -2, -2, 0, 4, 6, 2, 2, 0, -3, -3, 0, 5, 9, + -4, -4, -2, 1, 6, 9, 3, -7, -2, -2, -2, -1, 4, 8, 0,-11, + 1, 1, 0, 0, 2, 6, -1,-10, 2, 2, 1, 0, 2, 4, 0, -7, + -1, -2, -3, -6, -7, -8, -8, -8, 2, 3, 3, 1, -1, -2, -3, -4, + 5, 5, 5, 4, 3, 2, 0, -1, 3, 3, 3, 3, 2, 2, 1, 1, + 3, 3, 2, -2, -3, 0, 7, 10, 1, 2, 2, -2, -5, -4, 0, 3, + 0, 3, 4, 2, -3, -5, -6, -4, 0, 2, 4, 4, 1, -4, -7, -7, + 2, 4, 5, 5, 5, 5, 6, 6, -4, -4, -3, -5, -5, -3, -3, -2, + -3, -4, -4, -5, -4, -2, -2, -2, 1, 1, 0, 0, 2, 4, 5, 4, + -2, 0, 3, 4, 4, 3, 2, 2, -9, -7, -4, 0, 3, 6, 6, 6, + -5, -5, -3, -2, 0, 1, 3, 4, 5, 5, 2, -2, -4, -6, -5, -3, + 1, -6, -4, 7, 5, -2, -2, 1, 5, -5, -4, 6, 4, -5, -4, 1, + 5, -5, -4, 6, 4, -5, -3, 1, 1, -7, -3, 8, 7, -1, -3, 1, + -8, -7, -4, 0, 2, 4, 5, 5, 5, 6, 5, 2, -1, -5, -7, -7, + 5, 6, 4, 1, -3, -5, -6, -5, -7, -7, -5, -2, 1, 6, 9, 10, + 6, 3, 0, 1, 3, 0, -8,-14, 3, 0, -1, 1, 4, 3, 0, -4, + 1, 0, 0, 1, 2, 1, 1, 1, -1, -1, 1, 2, 1, -1, -1, 0, + 1, 1, 1, 1, 0, -2, -3, 0, 1, 2, 1, 0, -2, -8, -9, -4, + 1, 3, 3, 2, 1, -3, -3, 1, 0, 1, 1, 1, 1, 1, 4, 8, + 2, 5, 9, 7, 2, -1, -1, 1, -4, -1, 1, 0, -3, -4, -1, 2, + -3, 0, 3, 3, 0, -1, 0, 2, -4, -1, 1, 1, -2, -4, -5, -4, + 1, -1, -2, -2, -1, 2, 4, 5, 2, 1, 1, 0, -1, -1, 0, 0, + 2, 3, 4, 5, 4, 2, 1, 0, -9, -9, -6, -3, -1, -1, -1, -1, + -6, -6, 4, 7, 0, -2, -1, -2, -1, -2, 5, 6, -1, -2, 0, -1, + 4, -1, 1, 0, -4, -2, 0, -2, 7, 1, -1, -2, -3, 1, 3, 1, + 4, 2, 1, 3, 3, 1, 1, 2, 2, -2, -4, 0, 3, 1, 0, 0, + 1, -4, -8, -4, 1, 2, 1, 0, 2, -3, -9, -6, 0, 3, 3, 2, + -1, -1, 0, -1, -1, 0, 1, 2, 3, 1, -4, -8, -7, -3, 1, 2, + 2, -1, -3, -2, -1, 0, 1, 0, -1, 0, 5, 11, 9, 3, -1, -3, + -1, -2, -2, -1, 1, 1, 1, 1, 0, -1, 0, 3, 6, 6, 5, 5, + 2, 1, -1, -1, -2, -5, -6, -4, 2, 2, 2, 1, -1, -4, -5, -5, + -1, -3, -6, -7, -6, -4, -1, 1, 5, 5, 3, 4, 4, 3, 4, 5, + -1, -2, -3, -2, -2, -2, 0, 1, 0, 0, 0, 0, 0, 1, 2, 3, + -6, -6, -4, -1, 2, 2, 2, 2, -6, -7, -5, -2, 0, -1, -1, 0, + 2, 2, 2, 4, 4, 3, 3, 4, 2, 1, 0, -1, 0, 0, 2, 4, + 12, 5, -5, -8, -5, 0, 2, 2, 2, -3, -6, -3, 0, 0, -1, -2, + -2, -3, -1, 3, 4, 1, -2, -3, 2, 2, 3, 4, 3, 1, -1, -1, + 3, 2, 1, 0, 1, 4, 3, 0, 4, 3, 0, -5, -6, 0, 3, 3, + 2, 3, 1, -7,-12, -6, 1, 3, 1, 3, 4, -1, -6, -4, 0, 1, + -9, -4, 2, 6, 7, 4, 1, 0, -7, -1, 4, 6, 4, 0, -3, -3, + -6, 0, 4, 4, 1, -2, -3, -2, -4, 1, 3, 2, 0, -2, -1, 0, + 0, 5, 2, -5, -3, 3, 1, -4, -2, 4, 2, -6, -3, 6, 4, -3, + -1, 5, 3, -5, -1, 7, 3, -4, -1, 2, 0, -6, -3, 5, 3, -3, + -8, -3, 3, 5, 3, 1, -2, -2, 2, 4, 4, -2, -4, -3, 1, 3, + 2, 1, -3, -5, -3, 3, 4, 3, -5, -6, -5, 3, 10, 8, -1, -5, + 0, 3, 2, -4, -9, -7, 0, 6, -5, -1, 5, 7, 4, -1, -3, -3, + -5, -5, -2, 3, 6, 5, -1, -4, 9, 6, 0, -4, -2, 1, 1, -1, + -1, -1, -1, 1, 1, 0, -1, 0, -1, 0, 0, 0, 0, -1, -1, 0, + 2, 1, -2, -1, 1, 1, 0, 0, 12, 8, 2, -1, -1, -4, -7, -7, + 2, 1, 3, 6, 7, 4, 2, 0, 1, 0, -1, 0, -1, -4, -7, -8, + 0, 0, -1, 0, 0, 0, -1, -3, 0, 0, 0, 0, 1, 1, 0, -2, + -1, 0, 1, 1, 0, 0, -1, -2, 0, 0, -1, -3, -4, -3, -1, 1, + -1, 0, 0, 0, 1, 4, 10, 12, -1, 0, -2, -2, -3, -3, -1, 1, + -3, -1, -2, -4, 2, 9, 9, 7, -3, 0, -1, -3, 0, 2, -1, 1, + -1, 1, -2, -3, 0, -1, -3, 0, 0, 0, -3, -2, 0, -1, -1, 1, + -1, -2, -1, -1, -2, -1, -1, -2, 2, -1, -2, -1, 0, 1, 0, -2, + 3, -1, -2, 2, 5, 3, -1, -3, 1, -5, -5, 1, 6, 6, 2, 0, + 1, 2, 0, -1, 0, 1, 0, -2, -5, -3, -1, 0, 1, 2, 1, -2, + -7, -5, -2, -2, -2, -2, 0, 1, -1, 0, 1, 1, 0, 3, 9, 12, + 0, 6, 5, 1, -2, -3, 0, 3, 0, 6, 5, 1, 1, 1, 2, 3, + -5, -2, -2, -3, 0, 0, 0, 0, -6, -3, -3, -2, 0, 0, -1, -2, + 4, 4, 2, 1, 0, -1, -1, 0, -2, -2, 0, 1, 2, 1, 1, 0, + 2, 2, 1, -1, -3, -5, -9,-10, 2, 1, -1, -1, 1, 4, 4, 1, + 4, 0, -2, -2, -2, -2, -1, 0, 7, 1, -4, -3, -2, 0, 1, 1, + 10, 5, -1, -2, 0, 1, 1, 0, 5, 1, -3, -4, -3, -1, -1, -2, + 2, 1, -1, -3, -3, 1, 1, -1, -2, -1, 3, 0, -1, 1, 1, 0, + -3, 1, 7, 2, -3, -2, -1, 0, -2, 4, 8, -1, -8, -5, 0, 2, + -4, -1, 1, 2, 1, -3, -4, -2, -5, -3, -2, 1, 4, 4, 4, 6, + -3, -2, -4, -3, 0, 1, 1, 2, 2, 2, 2, 1, 2, 1, -1, -1, + -4, -1, 0, -1, -3, -3, -1, -1, 1, 4, 4, 2, 0, -1, -2, -3, + 4, 6, 5, 3, 2, 1, -2, -4, 0, 1, 1, 1, 1, -1, -4, -6, + 1, 2, 2, -1, -6, -5, -1, 2, -3, -2, 1, 1, -4, -3, 2, 5, + -2, -1, 2, 2, -3, -4, 0, 3, -2, -2, 2, 6, 5, 2, 1, 2, + 2, -3, -3, 0, 0, 2, 3, 1, 3, -1, 1, 3, 1, 2, -1, -5, + -5, -7, -4, -2, 1, 8, 8, 1, -1, 0, 2, 0, -3, 0, 1, -3, + -2, -5, -5, -2, -3, -1, 0, -2, -1, -4, 0, 4, 0, 2, 4, 0, + 0, 0, 8, 10, 2, 1, 3, -1, -4, -3, 2, 3, -3, -3, 1, -1, + 1, -2, -4, 2, 7, 3, -2, -1, 6, 4, -2, -1, 2, 0, -1, 3, + 1, 1, -2, -2, -2, -5, -3, 4, -6, -2, 1, 1, -1, -4, -2, 4, + -2, -1, -2, -2, 0, 1, 0, -2, -1, 1, 0, -1, 0, 0, -1, -3, + 0, 1, -2, -4, -3, -1, 0, 0, 6, 8, 5, 0, 0, 1, 2, 3, + -2, -2, 2, 5, 2, 0, 0, 1, 2, -2, -2, -1, -1, 1, 2, 4, + 2, -1, 0, 1, 0, 0, 0, 1, -8, -7, -1, 1, -1, -1, 1, 3, + 0, 3, 6, 2, -2, 1, 2, 0,-10, -7, -1, 0, -3, -1, 2, 1, + 0, 0, 2, 2, 1, 1, 1, -1, 3, 0, -2, -2, 0, 2, 1, 0, + 8, 1, 0, 0, -2, -3, -1, 0, 2, -2, 2, 5, 1, -2, -1, 1, + -3, -6, -3, -1, -3, -3, -1, 2, 2, 0, 1, 2, 2, 1, 0, 0, + 1, -1, -1, -2, -1, 0, 1, 0, 15, 9, 2, -1, -2, -3, -3, -3, + 0, -3, -2, 0, 0, -1, -1, -1, 1, 0, 1, 0, 0, -1, -1, -1, + 0, 2, 2, -2, -3, -3, -7, -8, 0, 2, 2, 0, 1, 2, 1, 1, + 1, 2, 2, 2, 3, 1, 0, 3, 1, 0, -1, -2, -1, -2, 0, 5, + -11, -6, -1, 1, 2, 3, 1, -3, 1, 4, 3, -1, -2, 1, 2, -1, + 2, 2, 1, -1, -2, 0, 1, -1, 0, 0, -1, -1, 0, 2, 3, 2, + 1, 1, 2, 1, -1, 1, 0, -4, 0, 0, 0, -2, -2, 2, 4, -2, + -2, -3, 0, 0, -1, 2, 1, -6, 0, 2, 5, 5, 3, 2, -1, -7, + 4, 2, 0, 0, 3, 3, 1, -1, 0, -1, -1, 3, 6, 4, 1, -1, + -2, -2, 0, 2, 2, 0, -2, -2, -1, 0, -1, -5, -7, -5, -1, 1, + 5, -1, -2, 0, 2, 4, 2, -5, 0, -5, -2, 2, 1, 2, 0, -6, + 6, 1, 0, 1, -2, -1, 4, 2, 2, -3, -3, 0, -1, -2, 0, 0, + 1, -1, 0, 2, 0, 0, 6, 11, 2, -1, -1, 0, -3, -2, 3, 5, + 0, -2, -1, 0, -1, 0, 0, -3, 1, -1, -1, -1, -2, -1, -3, -7, + 1, 1, -2, -2, 1, 3, 1, -2, -1, 2, 0, -1, -1, 1, 0, 0, + -4, 2, 3, -1, -2, -2, 0, 1,-11, -2, 4, 5, 6, 2, -1, -2, + -6, -2, 1, -1, -3, -4, 1, 9, -3, 0, 3, 3, 2, -3, -3, 3, + 1, 1, 0, 0, 1, -1, -2, 3, 2, 0, -3, -3, 0, -1, -1, 3, + 1, -1, -3, 1, 2, -6, -4, 6, 0, -2, -5, -2, 0, -3, -2, 3, + 2, 2, 1, -2, -2, 1, 2, -1, -1, 1, 1, -2, -1, 6, 7, -1, + 1, 0, -4, -2, 1, -2, -3, 1, -4, 0, -3, -2, 2, 0, -3, 0, + -3, 4, 3, 1, 8, 7, 0, -1, -3, 4, 1, -4, 2, 3, -2, -3, + -3, 6, 1, -4, 1, 1, -1, -1, -2, 4, -3, -3, 3, 0, -1, -1, + 1, 2, -4, 2, 4, -3, -1, 2, 3, -1, -4, 5, 4, -6, -3, 2 +}; + +/* 6x16-entry codebook for inter-coded 8x8 vectors */ +static int8_t inter_codebook_8x8[6144] = { + -4, -3, 4, 5, 2, 1, 1, 0, -5, -3, 5, 5, 2, 1, 0, 0, + -6, -4, 5, 5, 2, 1, 0, 0, -7, -4, 4, 5, 2, 1, 0, 0, + -8, -5, 3, 4, 2, 1, 0, 0, -8, -6, 3, 4, 1, 1, 1, 0, + -8, -6, 2, 4, 2, 1, 1, 0, -8, -6, 2, 4, 1, 1, 1, 1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -2, -2, -2, -2, -2, -2, + -2, -3, -3, -3, -3, -3, -3, -3, -2, -3, -3, -3, -3, -3, -4, -3, + -2, -2, -2, -2, -2, -3, -3, -2, 1, 1, 1, 1, 1, 0, -1, -1, + 4, 5, 5, 5, 4, 3, 3, 2, 7, 7, 8, 8, 8, 7, 6, 5, + 2, 1, 2, 4, 4, 0, -4, -6, 1, 1, 2, 5, 5, 1, -5, -7, + 1, 2, 1, 4, 5, 1, -5, -8, 1, 1, 1, 5, 5, 0, -6, -8, + 0, 1, 1, 5, 6, 1, -6, -9, 0, 0, 1, 4, 5, 0, -5, -8, + 0, 0, 1, 4, 5, 0, -5, -7, 0, 0, 1, 4, 4, 1, -4, -7, + 1, 2, 3, 0, -3, -4, -3, -1, 1, 3, 4, 0, -3, -4, -3, -1, + 2, 4, 5, 1, -3, -4, -3, -2, 2, 5, 6, 1, -3, -5, -4, -2, + 3, 6, 6, 1, -3, -5, -4, -2, 3, 6, 6, 1, -3, -5, -4, -2, + 3, 6, 6, 1, -3, -5, -4, -2, 3, 5, 5, 1, -3, -4, -4, -2, + 2, 2, 2, 2, 1, 0, 0, -1, 4, 4, 4, 3, 2, 1, 1, 0, + 4, 5, 4, 4, 3, 3, 2, 1, 4, 4, 4, 4, 4, 3, 2, 2, + 2, 3, 3, 3, 3, 3, 2, 1, -1, -1, -1, -1, 0, 0, 0, 0, + -5, -6, -6, -5, -5, -4, -3, -3, -7, -9, -9, -8, -7, -6, -6, -5, + 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, + 0, -1, -1, -1, -2, -2, -1, -1, -3, -5, -6, -6, -6, -6, -5, -4, + -3, -5, -6, -7, -6, -6, -5, -4, -1, -2, -2, -2, -2, -2, -1, -1, + 0, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, + 2, 1, -2, -5, -4, 0, 2, 5, 2, 1, -2, -6, -5, 0, 3, 5, + 2, 1, -2, -6, -6, -1, 3, 6, 3, 2, -2, -7, -6, 0, 4, 7, + 2, 1, -2, -7, -5, 0, 5, 7, 2, 1, -2, -6, -5, 0, 4, 7, + 2, 1, -2, -6, -4, 0, 4, 6, 1, 1, -2, -5, -4, 0, 3, 6, + -10, -9, -6, -4, -1, 2, 3, 2,-10, -9, -5, -3, 0, 4, 4, 3, + -9, -7, -3, -1, 2, 5, 5, 3, -7, -5, -2, 0, 3, 5, 5, 3, + -6, -3, 0, 1, 4, 6, 5, 3, -4, -2, 1, 2, 3, 5, 4, 2, + -2, 0, 1, 2, 2, 4, 3, 1, -1, 1, 2, 2, 2, 3, 3, 1, + -4, -5, -5, -6, -6, -6, -6, -5, -3, -3, -4, -4, -4, -4, -4, -4, + 0, 0, 0, 0, -1, -1, -1, -1, 5, 5, 6, 5, 5, 4, 3, 2, + 5, 6, 7, 7, 7, 6, 5, 4, 3, 3, 4, 4, 4, 4, 3, 2, + 0, -1, 0, 0, -1, -1, 0, -1, -3, -3, -4, -4, -4, -4, -3, -3, + 1, -2, -5, 1, 5, 4, 2, 0, 1, -3, -6, 1, 6, 5, 2, 0, + 0, -4, -7, 0, 6, 6, 2, 1, -1, -5, -9, -1, 6, 6, 3, 1, + -1, -6,-10, -2, 6, 6, 3, 1, -1, -6, -9, -2, 5, 6, 3, 1, + -2, -6, -9, -2, 5, 5, 3, 1, -2, -6, -7, -2, 4, 4, 2, 1, + -5, -7, -8, -9, -9, -8, -7, -6, -5, -6, -6, -7, -7, -6, -6, -5, + -3, -3, -3, -4, -5, -5, -4, -4, -1, 0, 0, -1, -1, -1, -1, -1, + 0, 1, 2, 2, 2, 2, 2, 1, 2, 3, 4, 5, 5, 5, 5, 4, + 3, 4, 5, 6, 8, 8, 8, 7, 3, 4, 5, 6, 7, 7, 7, 6, + 5, 6, 7, 8, 9, 10, 10, 9, 3, 4, 6, 7, 8, 9, 9, 8, + 0, 1, 2, 3, 4, 5, 5, 5, -1, -2, -1, -1, 0, 1, 2, 2, + -2, -3, -3, -3, -3, -2, -1, 0, -3, -4, -5, -5, -5, -5, -5, -4, + -4, -5, -5, -6, -7, -7, -6, -5, -3, -4, -5, -6, -7, -7, -6, -6, + 13, 7, 0, -3, -3, -4, -4, -5, 14, 7, 0, -3, -3, -4, -4, -4, + 15, 8, -1, -4, -4, -4, -5, -4, 15, 8, -1, -4, -4, -5, -4, -3, + 15, 7, -1, -4, -5, -5, -5, -4, 14, 7, -1, -4, -4, -4, -4, -3, + 12, 6, -1, -4, -4, -4, -4, -3, 11, 5, -1, -4, -4, -4, -4, -3, + -17, -4, 5, 4, 4, 4, 3, 3,-18, -5, 5, 4, 4, 4, 3, 3, + -19, -5, 6, 4, 4, 4, 3, 2,-20, -5, 6, 4, 4, 4, 3, 3, + -20, -4, 6, 4, 4, 5, 3, 3,-19, -5, 6, 4, 4, 5, 3, 3, + -18, -4, 5, 4, 4, 4, 3, 2,-17, -5, 4, 3, 4, 4, 3, 3, + -6, -6, -6, -4, -2, 1, 6, 11, -6, -7, -7, -4, -2, 2, 8, 13, + -8, -8, -7, -4, -2, 3, 9, 14, -8, -8, -7, -5, -1, 4, 10, 16, + -8, -8, -7, -5, -1, 4, 10, 17, -8, -8, -7, -4, 0, 5, 10, 16, + -8, -8, -6, -3, 0, 4, 9, 15, -7, -7, -5, -3, 0, 4, 8, 12, + 8, 7, 7, 5, 2, -2, -8,-14, 8, 8, 7, 5, 2, -2, -8,-15, + 8, 8, 7, 5, 1, -3, -9,-16, 8, 8, 7, 5, 1, -3,-10,-17, + 8, 9, 8, 5, 1, -3,-10,-17, 8, 8, 7, 4, 1, -4,-10,-16, + 7, 7, 7, 4, 1, -3, -9,-14, 6, 7, 6, 3, 0, -3, -9,-13, + 5, 1, -4, -4, -3, -1, 0, 0, 7, 2, -3, -3, -2, -1, 1, 0, + 7, 1, -3, -3, -1, 0, 1, 1, 6, 1, -3, -2, -1, 1, 1, 0, + 6, 0, -4, -2, -1, 0, 1, 0, 5, 0, -4, -3, -1, 0, 0, -1, + 5, 0, -3, -1, 0, 0, 0, -2, 4, 1, -2, -1, 0, 1, 0, -1, + 2, 2, 1, 1, -2, -6, -8, -8, 1, 1, 1, 1, -2, -5, -8, -8, + 1, 1, 1, 0, -1, -3, -5, -5, 0, 0, 0, 0, -1, -1, -1, -2, + 0, -1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 2, 3, 2, + 2, 1, 1, 1, 2, 3, 4, 3, 3, 3, 3, 3, 4, 4, 5, 4, + -4, -4, -3, -2, 0, 0, 1, 1, -4, -4, -3, -2, -1, 0, 0, 1, + -2, -2, -2, -1, -1, -1, 0, 0, 0, 1, 0, 0, 0, 0, 0, -1, + 2, 2, 2, 2, 2, 2, 1, 1, 3, 4, 4, 4, 4, 4, 4, 3, + 1, 1, 1, 3, 3, 4, 3, 3, -5, -6, -5, -4, -3, -3, -2, -2, + -4, -2, -1, -1, -1, -1, 0, 1, -4, -2, -1, -1, -1, -1, 0, 1, + -3, -2, -1, -1, -1, 0, 1, 2, -4, -3, -2, -1, -1, 1, 3, 3, + -4, -3, -3, -1, -1, 1, 4, 5, -4, -3, -2, -2, -1, 1, 4, 7, + -2, -2, -1, -1, 0, 2, 6, 8, -1, 0, 0, 1, 1, 4, 7, 8, + -3, -3, -3, -2, -2, -1, -1, 0, -1, -1, 0, 1, 2, 2, 3, 3, + 0, 1, 2, 4, 5, 6, 6, 5, -1, 0, 2, 3, 5, 6, 5, 3, + -1, -1, 0, 2, 3, 3, 2, 1, -2, -2, -1, 0, -1, -3, -4, -4, + 0, 0, -1, -1, -2, -4, -8, -7, 1, 2, 1, 0, -1, -4, -6, -7, + -2, 4, 1, -6, 0, 3, 0, 0, -2, 5, 1, -7, 0, 3, 0, 0, + -3, 5, 1, -8, 0, 3, -1, -1, -2, 6, 1, -9, 0, 3, 0, -1, + -2, 6, 2, -8, 0, 4, 0, -1, -3, 5, 1, -7, 1, 4, 0, 0, + -2, 4, 1, -7, 0, 4, 1, 0, -1, 4, 1, -6, 0, 3, 1, 0, + 0, 0, 0, 3, 4, 5, 4, 1, 1, 1, 1, 2, 3, 3, 2, 0, + 2, 2, 1, 2, 2, 1, -1, -2, 4, 3, 1, 1, 0, -1, -3, -5, + 5, 3, 1, -1, -2, -3, -4, -6, 5, 3, 0, -2, -3, -5, -6, -7, + 4, 3, 0, -2, -3, -4, -5, -5, 4, 3, 0, -1, -2, -2, -3, -3, + 0, 0, 0, 0, -1, -5, -2, 6, 0, 0, 0, 1, -1, -6, -2, 8, + 0, 0, 0, 2, 0, -6, -3, 9, 0, -1, 0, 2, 0, -7, -2, 10, + 0, -1, 0, 2, -1, -8, -3, 10, 0, -1, -1, 2, -1, -7, -3, 9, + 0, -1, 0, 1, -1, -6, -3, 8, 0, 0, 0, 1, 0, -5, -2, 7, + 2, 3, 3, 2, 1, 0, -1, -1, 3, 4, 3, 2, 1, 0, -1, -2, + 3, 4, 4, 2, 1, -1, -2, -3, 2, 3, 3, 2, 0, -1, -2, -3, + -1, 0, 1, 1, 0, -1, -2, -2, -5, -4, -3, -1, 0, 1, 1, 1, + -8, -8, -5, -1, 1, 3, 4, 3,-10, -9, -5, 0, 3, 5, 6, 5, + -5, -1, 4, 5, 3, 1, 0, 0, -6, -1, 4, 5, 2, 0, -1, -2, + -6, -1, 5, 4, 2, -1, -2, -2, -7, -1, 4, 4, 1, -2, -3, -3, + -6, -1, 5, 4, 1, -2, -3, -3, -5, 0, 4, 4, 1, -1, -2, -2, + -4, 0, 5, 4, 1, -1, -1, -2, -3, 1, 4, 3, 1, -1, -1, -2, + -2, -3, -2, 1, 4, 6, 5, 3, -3, -4, -4, 0, 3, 5, 4, 2, + -3, -5, -5, -1, 2, 4, 3, 1, -4, -6, -4, -1, 2, 4, 2, -1, + -2, -4, -3, 1, 2, 4, 2, -1, -2, -4, -2, 1, 3, 3, 1, -2, + -2, -3, -2, 1, 3, 3, 1, -2, -2, -2, -1, 1, 3, 3, 0, -2, + -4, -4, -3, -2, -1, 2, 5, 7, -4, -4, -3, -3, -2, 1, 5, 7, + -2, -3, -2, -3, -3, -1, 3, 5, -1, -1, 0, -2, -3, -2, 2, 4, + 1, 1, 1, -1, -4, -3, 1, 3, 4, 3, 2, -1, -4, -3, -1, 1, + 6, 4, 3, 0, -3, -3, -2, 0, 6, 5, 3, 1, -2, -3, -2, -1, + 12, 11, 8, 4, 0, -2, -2, -1, 10, 9, 6, 2, -1, -2, -1, 0, + 4, 3, 2, 0, -1, -1, 0, 1, -1, -1, -1, -1, -2, 0, 1, 2, + -3, -5, -4, -2, -2, 0, 2, 3, -5, -5, -4, -2, -1, 0, 1, 2, + -5, -5, -4, -2, -1, 0, 1, 1, -4, -4, -3, -2, -2, -1, 0, 0, + 3, 3, 2, -1, -3, -4, -3, -2, 3, 2, 0, -2, -4, -4, -3, -2, + 2, 2, 1, -1, -3, -5, -4, -3, 3, 3, 3, 1, -2, 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1, 1, -2, -1, -1, 1, 2, 3, 4, 1, -3, -1, -3, + 3, 2, 0, 1, -1, -3, -1, -3, 1, 0, -1, 0, -1, -1, 1, 0, + 1, 1, 0, 1, 2, 2, 5, 3, 1, 1, 1, 2, 2, 2, 3, 0, + -3, -1, -2, -2, -3, -3, -1, -3, -1, 1, 1, 0, -1, -1, 0, -2, + 2, 0, -2, -2, 2, 4, 1, -2, 1, 0, -2, -1, 3, 5, 2, -1, + -1, -2, -3, -2, 1, 3, 1, -2, -1, -2, -1, -1, 0, 2, 1, -1, + 0, 0, 1, 1, 1, 2, 2, 0, 0, 1, 4, 4, 2, 2, 3, 1, + -2, -1, 2, 1, -2, -3, -2, -3, -1, 0, 1, 0, -3, -4, -4, -5, + 4, 0, -3, -4, -4, -4, -2, -1, 5, 0, -1, 0, -1, -3, -2, -1, + 4, 0, 0, 1, 1, 0, 0, 0, 0, -3, -2, -1, 0, 0, 1, 0, + 0, -2, 0, 0, 1, 1, 2, 1, 2, 0, 0, 0, 1, 1, 1, 0, + 2, 0, -1, -1, 1, 1, 1, 0, 1, -1, -2, -2, 0, 2, 2, 2, + -3, -5, -2, 0, -1, -3, -3, 0, 0, -2, 0, 2, 2, 0, 0, 3, + 2, -1, -2, 0, 0, -1, -1, 2, 5, 2, -1, -1, -1, -1, -1, 2, + 5, 2, 0, -1, -1, 0, -1, 2, 2, 1, 0, 0, 0, 1, 0, 2, + -1, -1, 1, 1, 2, 2, 1, 2, -3, -2, 0, 0, 0, 0, -2, -1, + 0, 3, 2, 0, -2, -3, -3, -3, 0, 3, 3, 1, 0, 0, 1, 2, + -1, 0, -1, -2, -1, -1, 1, 3, -1, 0, -1, -2, -1, -1, 0, 2, + -1, 0, -1, -2, 0, 0, -1, 2, -1, 0, -1, -2, -1, -1, -2, 1, + 0, 1, 0, -3, -1, -1, -1, 2, 5, 5, 2, -1, -1, -1, 1, 3, + 0, 0, 1, -1, -3, -2, 0, 2, 1, 1, 3, 0, -2, -2, 0, 1, + 1, 1, 3, 1, 0, 0, -1, -1, 0, -1, 2, 1, 1, 0, -1, -3, + -1, -2, 1, 1, 1, 0, -2, -4, -1, 0, 2, 1, 1, 0, -1, -3, + 1, 1, 3, 2, 1, 0, -2, -3, 2, 2, 4, 2, 1, -1, -2, -4, + 1, 2, 2, 2, 0, -2, 0, 2, -1, -1, -2, -3, -4, -5, -3, 1, + 0, 1, 1, 0, -1, -1, -1, 1, 0, 1, 1, 1, 0, 0, 0, 2, + 0, 1, 1, 2, 1, 1, 1, 2, -1, -1, 0, 2, 2, 2, 2, 3, + -2, -4, -4, -1, -2, -2, -2, 0, 1, 0, 0, 1, 0, 0, 0, 1, + 0, -1, -3, -2, 0, 2, 2, 1, 0, -1, -2, -3, 0, 1, 1, 2, + 1, 0, -2, -3, -1, 0, 0, 1, -1, 0, -1, -2, 0, 0, -1, 0, + -1, 1, 1, 0, 2, 2, 0, 0, 0, 2, 3, 1, 3, 5, 3, 2, + -1, 1, 1, -2, 0, 3, 1, 1, -1, 0, 0, -4, -4, -1, -1, -1, + -1, 1, 1, 0, 1, 2, 1, 2, -3, 0, 1, 0, 1, 1, 0, 2, + -5, -3, -1, -1, 0, 1, 0, 1, -4, -3, -2, -3, -2, -1, -1, 0, + 0, 0, -1, -2, -2, -2, -2, 0, 3, 4, 2, 0, 0, 0, 0, 1, + 2, 1, 0, 0, 0, 0, -1, 0, 0, 1, 2, 3, 4, 4, 3, 2, + -1, 4, 7, 4, 0, 0, 0, 0, -1, 4, 6, 3, 0, 1, 1, 1, + 0, 3, 4, 0, -1, 0, 0, 1, 0, 1, 1, -2, -1, 0, -1, -1, + -1, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, 0, 0, + -1, -3, -3, 0, 1, -1, -2, -1, -3, -4, -4, -2, -1, -2, -2, -1, + 2, 2, 1, 0, 1, 1, 0, -3, -2, -1, 0, 0, 1, 1, 0, -3, + -2, -1, 0, 1, 2, 1, 1, -2, 1, 2, 2, 2, 3, 3, 2, -1, + 1, 2, 1, 0, 1, 1, 2, -1, 0, 1, -2, -4, -2, 0, 1, -1, + 1, 1, -1, -3, -2, 0, -1, -3, 1, 2, 0, -1, 0, 1, -1, -4, + -1, -1, -2, -2, 0, 3, 4, 3, 1, 1, -1, -3, -2, 0, 0, 0, + 2, 2, 2, 2, 2, 1, -1, -1, 1, 1, 1, 3, 3, 0, -2, -2, + 0, -1, -1, -1, 0, -2, -1, -1, -1, -3, -4, -3, -2, -2, 0, 2, + -1, -1, 0, 1, 2, 2, 3, 5, -2, -1, -1, 0, 0, 0, 0, 1, + -2, -3, 2, 0, 0, 1, 1, -1, -1, -4, 1, -2, -1, 2, 2, 0, + 1, -4, 0, -2, -2, 1, 1, -1, 2, -3, 1, -1, -1, 1, 1, -1, + 3, -2, 3, 1, 0, 1, 1, -1, 1, -3, 2, 1, 0, 1, 0, -1, + -1, -5, 1, 0, -1, 0, 1, 1, 0, -3, 3, 3, 1, 2, 3, 3, + 0, -1, -2, 1, 5, 5, 2, -1, 1, -1, -2, -1, 1, 1, -2, -5, + 1, 1, -1, -2, -1, -1, -1, -3, 1, 1, -1, -1, -1, 2, 4, 3, + -1, -1, -1, -1, -1, 0, 4, 3, -1, -1, 0, 1, -1, -3, -1, -1, + 0, 0, 0, 2, 2, 0, 0, -1, 0, -2, -3, 0, 1, 1, 3, 2, + 2, 3, 2, 1, 0, 0, -2, -2, 2, 3, 0, 1, 1, 3, 3, 2, + 0, 0, -3, -1, -1, 2, 2, 3, -2, -2, -3, 1, 1, 2, 1, 1, + -2, -1, -2, 2, 1, 1, -1, -2, 0, 1, 0, 2, 0, 0, -2, -2, + 0, 1, 0, 2, 0, 0, -2, -2, -3, -2, -2, 0, -1, -2, -2, -3, + 0, 1, -1, 3, -1, 1, 3, -1, 0, 1, -1, 3, -1, -1, 2, -3, + 1, 1, -2, 3, -1, -3, 0, -3, 2, 2, -2, 3, 0, -2, 1, -2, + 1, 1, -3, 3, -1, -2, 1, -3, 1, 1, -3, 3, 0, -1, 1, -2, + 1, 2, -1, 4, 0, -1, 1, -2, 0, 1, -1, 3, -1, -3, 0, -3, + -3, -3, -1, 1, 2, 1, -1, -2, -2, -2, 0, 2, 1, 0, -2, -2, + -3, -2, 1, 2, 1, -1, -2, -1, -3, -2, 2, 4, 0, -2, -2, 1, + -3, -1, 2, 4, 0, -2, -2, 2, -1, 1, 4, 3, -1, -3, -2, 2, + 0, 2, 4, 2, -1, -2, -1, 2, 0, 1, 2, 0, -1, 0, 1, 3, + 3, 0, -5, 1, 4, 0, 0, 1, 1, -2, -5, 2, 5, -1, -2, 1, + -1, 0, 0, 3, 3, 1, 0, -1, -2, 3, 4, -2, -3, -1, 0, -2, + -3, 3, 5, -3, -3, 0, 0, -2, -1, 3, 2, -2, -2, 2, 2, -1, + 2, 0, 0, -1, 0, 0, 0, 0, 0, -3, -2, 1, 3, 0, -2, -2 +}; + +/* list of codebooks for inter-coded vectors */ +static uint8_t *inter_codebooks[4] = { + inter_codebook_4x2, inter_codebook_4x4, inter_codebook_8x4, inter_codebook_8x8 +}; + +/* 6x16-entry codebook for intra-coded 4x2 vectors */ +static int8_t intra_codebook_4x2[768] = { + 12, 13, 13, 11, -7,-10,-15,-17,-16,-15,-12,-10, 11, 15, 15, 12, + 2, 17, 20, 15,-45,-24, 2, 13, 21, 20, -6,-36, 12, 16, -1,-27, + -18,-21, 10, 45,-11,-20, -7, 21, 43, -8,-28, 0, 33,-16,-28, 3, + -12,-18,-18, -6,-20,-10, 28, 55, -5,-18,-21,-18, 56, 30, -6,-20, + -34, 27, 29,-22,-30, 29, 26,-25, 30, 34, 33, 26,-25,-31,-35,-33, + -31,-35,-36,-32, 29, 36, 37, 31,-71,-12, 38, 34,-63, -1, 42, 33, + 58, 37,-31,-60, 55, 34,-33,-61,-57,-57, 22, 93,-57,-58, 21, 93, + 59, 69, 70, 62,-63,-68,-68,-60,-64,-71,-71,-64, 63, 73, 72, 62, + -2, 0, 7, 15,-11,-10, -3, 5, -5, -8,-10,-10, 1, 9, 14, 9, + 15, 8, -4,-11, 12, 2,-11,-12, -8, 0, 19, 28, 4, -1,-15,-26, + -15, 27, 2,-14,-14, 22, 1, -9, -4, -6,-13,-10, -6,-14, 6, 47, + -35,-20, 6, 23, 6, 9, 6, 4, -6, 2, 23,-22, -7, 4, 28,-21, + 20,-22, -2, 6, 22,-28, -5, 8,-10,-18,-16,-12, 36, 19, 2, -1, + -3, 0, 4, 8,-45,-10, 23, 23, 40, 15,-20,-35, -4, -1, 4, 1, + 9, -5,-33, 24, 8, 3,-26, 19, -1, 4, 6, -3, 32, 25,-13,-49, + 24, 24, 15, 7,-17,-27,-19, -7,-47, 0, 39, 24,-21, -6, 7, 4, + -1, 0,-10,-13, 1, 1, 5, 16, 20, 5, -3, -9, -1, -4, -2, -6, + -17, -7, 1, 4, 12, 7, 0, 0, 3, 0, 12, 11, -3, 1, 0,-23, + 4, 17, -6, 0, 6, 3,-25, 0,-17, 10, 8, 5,-14, 4, 1, 4, + 13, 10, 4, 2,-23, -9, 1, 2, 3, -3, 1, 7, 1,-23, -7, 20, + -7,-18, 2, 12, -5, -4, 10, 9, 4, 10, 7,-24, 6, 3, 4,-10, + 22,-14,-22, 6, 0, 5, 5, -1, -4, 3,-11, -4, -7, 31, 7,-14, + -5,-16, -1, 42, -4, -2, -9, -5, 5, -8, -6, -3, 42, -4,-21, -5, + -18, 12, 20,-12, 13,-13,-10, 7, -8, -9, -2,-18,-16, 6, 40, 8, + 10, -1, 0, 4, -3, 4, -1,-13, -2, 6, 1,-15, 5, 3, 1, 2, + -4, -2, 1, 3, 15, 0, -9, -4, -3, -4, -4, -4, -3, 5, 16, -3, + 2, 13, 3, 4, -3, -8,-10, 0, -6, -2, -4, -1, -2, -3, -6, 23, + 6, -6, 7, 1, 4,-18, 5, 1, -1, 1,-15, 14, -5, 6, -4, 4, + 2, 2, 2, 6,-24, 2, 7, 3,-26, 0, 3, 3, 5, 7, 1, 6, + 14, -2,-18, -3, 7, 5, -4, 2, -6, 3, 32, 1, -6, -6, -6,-12, + 5,-36, 7, 6, 9, -1, 11, 0, 4, 4, 5, 3, 4, 15, 3,-38, + 10, 23, -5,-42, 0, 4, 4, 4, 23, 17, -6,-13,-13,-37, 1, 29, + 5,-14, -1, 1, 5, 0, 3, 1, 0, 4, -5, 2, 8, 0, 0,-10, + 4, 7, -2, -3,-10, 3, 1, 1,-12, -1, 13, 3, 0, -1, 1, -3, + 0, -1, 3, 1, -6, -9, 3, 9, -6, 1, -4, -6, 8, -1, 0, 8, + -3, -3, 0, 18, -5, -1, -4, -1, -8, -2, 3, -4, 0, 17, -1, -5, + 5, -2, 9,-10, 1, -5, 6, -5, 4, 2, 2, 3, 10,-14, -8, 1, + -1, -2,-18, -1, -1, 20, 1, 2, -1, 1, -9, 1, -1, -9, 22, -4, + 6, -4, 8, -3, -1, 7,-19, 5, -7, 31, -4, -4, -6, 0, -5, -5, + -7, -8,-19, -4, 1, 1, 4, 32, 38, -1, -8, 4, -7, -8, -6,-12, + -1, 0, -7, 1, -1, 9, -1, 0, 9, -1, -1, 0, 2, -6, 1, -3, + -12, 0, 2, 1, 1, 1, 8, 0, 9, 1, 0, 2, -2, 1,-11, 0, + 0, 8, 2,-10, -1, 2, -1, 0, -2, -4, 0, -5, -2, -1, -1, 14, + -3, 7, -1, 5, 0,-10, 1, 1, -1, -5, 14, -1, -2, 1, -3, -2, + -6, 0, 0, 6, 2, 3, -9, 4, 4, -5, -1, -1, -7, 3, 8, -1, + 2, -4, -1,-11, 11, 2, 1, 0, -1, 2, 3, 9, 0, 2, 0,-15, + 3, 5,-20, 3, 3, -1, 3, 3, 1, -1, 16, 1, 2,-29, 9, 2, + -13, -6, -1, -3, 36, -1, -8, -3, 2, 5, 4, 2,-37, 9, 11, 3 +}; + +/* 6x16-entry codebook for intra-coded 4x4 vectors */ +static int8_t intra_codebook_4x4[1536] = { + -11, -3, 3, 6,-10, -1, 5, 7, -9, -1, 6, 7, -9, -1, 4, 6, + 5, 7, 0,-14, 6, 9, 2,-15, 6, 9, 2,-15, 4, 6, 0,-14, + 16, 3, -5, -6, 16, 1, -8, -8, 14, -1, -9, -9, 12, 0, -8, -8, + 8, 12, 16, 17, -2, 2, 6, 9,-10, -8, -4, 0,-15,-14,-11, -7, + -7,-10, -2, 16, -7,-11, -3, 18, -7,-11, -1, 20, -6, -8, 1, 19, + -9,-13,-16,-17, 2, -2, -7, -9, 11, 8, 4, -1, 16, 15, 11, 7, + -22, -2, 13, 15,-24, -2, 14, 16,-25, -4, 13, 15,-25, -6, 10, 13, + 26, 26, 22, 16, 17, 15, 9, 3, -2, -6,-11,-14,-20,-25,-28,-28, + -27,-27,-25,-21,-16,-15,-11, -7, 3, 8, 12, 13, 23, 28, 31, 30, + 20, 16, -7,-33, 22, 19, -6,-35, 22, 19, -6,-34, 20, 17, -6,-32, + -20,-20, 2, 38,-21,-22, 2, 40,-21,-22, 2, 40,-20,-20, 3, 38, + -47, -4, 24, 26,-50, -3, 26, 27,-50, -3, 26, 27,-47, -4, 24, 26, + 45, 6,-23,-27, 48, 5,-25,-28, 48, 5,-26,-28, 44, 6,-24,-27, + -30,-36,-10, 76,-31,-37,-11, 78,-31,-37,-11, 78,-31,-36,-10, 77, + -53,-32, 35, 52,-54,-34, 36, 52,-54,-34, 36, 52,-53,-33, 34, 51, + -93,-34, 62, 65,-93,-34, 62, 66,-93,-34, 62, 65,-93,-34, 60, 64, + -7, 0, 2, 2, -8, -1, 3, 3, -8, 0, 4, 5, -6, 1, 5, 5, + 3, 7, 11, 11, 2, 2, 3, 3, 1, -2, -6, -7, 1, -5,-11,-13, + 3, -2, -4, -3, 7, 0, -5, -5, 12, 4, -5, -7, 14, 6, -4, -7, + 18, 14, 3, -2, 6, 4, 0, -3, -8, -5, -2, 0,-16,-11, -2, 2, + -8, -6, 7, 18, -7, -8, 2, 13, -4, -6, -2, 6, 0, -4, -3, 1, + 1, -3,-13,-18, 0, -1, -5, -7, -1, 1, 6, 7, -2, 4, 15, 17, + -15,-14, -7, -2, -6, -5, -1, 0, 6, 6, 3, 1, 15, 13, 6, 1, + 2, -2,-11, 10, 2, -1,-12, 11, 3, -1,-12, 11, 2, -2,-11, 11, + -9, 14, -1, -5, -9, 15, -2, -5, -8, 16, -2, -5, -7, 15, -1, -4, + 2, 6, 8, 8, -2, 3, 9, 12,-11, -5, 4, 10,-19,-16, -8, 0, + 14, 8, -7,-15, 12, 7, -7,-14, 8, 5, -4, -9, 5, 3, -1, -4, + 12,-14, -2, 2, 13,-15, -1, 3, 14,-15, -1, 3, 13,-14, -1, 3, + 0, 6, 10,-13, 0, 6, 10,-15, 0, 7, 9,-17, 1, 6, 8,-16, + -8, -5, 15, -2, -8, -6, 17, -2, -8, -6, 16, -3, -8, -5, 15, -2, + -9,-11,-11,-10, 9, 10, 9, 8, 8, 10, 10, 9, -8, -9, -8, -7, + 9, 10, 9, 7, -8,-10,-10,-10, -7,-10,-11,-11, 11, 12, 11, 8, + 0, 10, 7, 0, 0, 7, 0, -6, 0, 2, -5, -6, -2, -1, -4, -1, + 5, 0, -6, -9, 2, 2, 2, 1, -2, 0, 5, 7, -6, -5, 1, 4, + 3, -8, 2, -1, 4, -9, 3, 0, 5, -7, 3, 0, 7, -5, 3, 0, + -5, -3, 2, 9, -6, -3, 1, 8, -6, -3, 1, 7, -5, -2, 0, 4, + 13, 8, 3, 1, -3, -5, -4, -1, -8, -7, -3, 0, -1, 1, 3, 2, + 3, 2, -5,-12, 4, 3, -2, -9, 3, 4, 1, -4, 3, 5, 4, -1, + -9, -8, -4, 0, 8, 6, 2, 0, 10, 8, 3, 0, -6, -5, -3, -1, + -3, -9,-12, -5, 0, -3, -5, 0, 2, 3, 2, 4, 5, 8, 7, 6, + -1, -2, 5, 12, -1, -1, 5, 9, 2, 1, -1, -2, 2, -1,-11,-17, + -7, 3, 3, -1, -9, 3, 4, -1,-10, 4, 6, -1, -9, 5, 7, 0, + -18, -7, 2, 2, -8, 1, 5, 3, 3, 4, 1, 0, 9, 5, -2, -3, + -2, 0, 6, 8, -4, -5, -5, -3, 1, -2, -6, -8, 10, 9, 3, -1, + 0, -2, -2, 0, 0, -4, -5, 0, -2, -8, -4, 8, -5, -7, 6, 24, + 9, 1, -7, 1, 9, 1, -8, 1, 8, 0,-10, 1, 8, -1,-11, -1, + 8, 8, 6, 3, 5, 4, 3, 2, -2, -3, -1, 0,-10,-13, -8, -4, + 0, 4, 2, -3, 0, 6, 3, -5, 3, 10, 2,-12, 5, 10, -4,-22, + 0, -4, -1, 3, 1, -4, -1, 5, 1, -5, 0, 8, -1, -6, -2, 7, + -1, -1, -2, -4, -1, -2, -4, -6, -1, -1, -1, -2, 1, 5, 10, 9, + 10, 3, 0, -2, 6, -1, -2, -5, 3, -1, -2, -6, 2, 0, 0, -5, + 6, 3, 0, 0, 6, 3, 1, 1, 4, -2, -2, 1, 0, -9, -9, -2, + -11, -3, 1, 2, -6, 2, 4, 5, -3, 2, 3, 4, -2, 1, 1, 2, + -6, -4, -1, -2, 2, -1, -1, -2, 10, 2, -2, -2, 11, 2, -4, -1, + 6, 0, -2, 2, 3, 3, 0, 0, -6, 3, 3, 0,-17, -1, 5, 0, + -1, 4, 10, 11, -3, -2, 0, 1, -3, -4, -5, -3, -1, -2, -2, -1, + 2, -3, -9,-12, 3, 3, 3, 2, 2, 2, 4, 4, 2, 1, -1, -2, + -2, 9, 5,-10, -3, 5, 5, -5, -2, 1, 2, 0, -1, -2, -2, 1, + -2, -3, 7, -2, -1, -3, 7, -3, -1, -2, 8, -4, -2, -2, 7, -3, + 1, -8, -3, 12, 2, -2, -2, 4, 1, 3, 0, -5, -1, 5, 2, -7, + -1, 3, 1, -5, -7, -2, 3, 1, -2, -7, -2, 2, 20, 3, -5, -1, + 5, 0, -3, -2, -7, -7, 0, 6, -6, 0, 7, 6, 2, 6, 0, -7, + -2, 6, -7, 1, -2, 7, -8, 3, -2, 7, -7, 3, -1, 7, -6, 2, + -5, -2, 5, 7, 4, 1, -4, -8, 6, 3, -2, -5, -7, -5, 3, 7, + -1, -1, 6, 5, 0, -1, 1, -4, 2, 1, 0, -7, 1, 0, 0, -4, + -8, 0, 3, 1, -2, 1, -1, -1, 1, -1, -3, 1, 1, -2, 1, 9, + 5, 2, -3, -4, -1, 0, -1, -3, -3, 1, 3, 1, -4, 0, 4, 2, + 2, -2, -2, 12, 0, -2, -5, 3, -1, 0, -3, 1, -3, -1, -2, 1, + 1, 5, 3, 0, -6, -4, -2, 1, 0, -2, -2, 2, 6, 1, -4, -1, + -3, -5, -5, -1, 3, 5, 5, 4, 0, 3, 1, -1, -2, 1, -2, -3, + 2, -4, -5, -3, 4, -2, -3, -2, 6, 0, -1, -1, 7, 1, 0, 0, + -3, -2, -2, 0, -2, -3, -5, -1, -2, 2, 0, -1, -1, 11, 9, -1, + 0, 1, -1,-10, -1, 1, 0, -6, 1, 0, 1, 4, 2, -5, -1, 13, + -2, 4, 5, 0, -5, 1, 6, 3, -6, -2, 3, 2, -5, -2, 0, -2, + -1, 1, 1, -2, -1, -2, 0, 2, 5, 5, 5, 7, 0, -4, -8, -7, + 0, 2, -1, -5, -1, 2, 2, -3, 0, 5, 3, -5, 3, 8, 2,-12, + 8, 4, 0, -2, 10, -1, -4, -1, 3, -6, -3, 0, -4, -5, 0, 0, + 0,-10, -4, 2, -1, -6, 3, 5, -1, -3, 6, 4, 0, -2, 4, 2, + 0, 8, 1, -1, 0, 11, 1, -3, -1, 6, -2, -4, -3, -2, -7, -4, + 0, -1, -1, -1, 4, 5, 6, 5, -5, -9, -8, -5, 2, 2, 3, 2, + 0, 2, 6, 1, 2, 0, 3, 0, 1, -2, -1, -2, 0, -1, -3, -6, + 0, 0, 2, 0, 4, 0, 2, 1, 5, -2, 0, 0, -2, -9, -1, 2, + 0, 1, 0,-10, -1, 1, 8, 0, -1, -2, 4, 0, 1, -1, 2, -1, + -3, -2, 2, -1, -3, -1, 2, -3, 0, -1, 1, 0, 8, 1, -1, 3, + 0, 1, 1, 2, 0, -4, -2, 0, -1, -5, 1, -1, -2, -1, 11, 2, + 1, 5, -2, -2, 0, 2, -4, 0, -2, 1, -5, 1, 0, 5, 0, 1, + -5, -3, 0, 6, -4, 2, 0, 0, -3, 5, 1, 0, -3, 3, 0, 0, + 3, -2, -3, 1, 1, -4, 0, 8, -2, -3, -2, 3, 1, 2, -1, -1, + 1, 1, 0, 2, 2, 0, 1, 6, 1, -1, 2, 1, 0, 3, 0,-19, + 1, -3, -2, 2, 6, 5, -2, -7, -3, 1, 3, 1, -1, -1, 0, 2, + -8, -1, -1, -4, 1, 1, -1, 2, 4, 3, 2, 3, -5, 1, 3, 0, + 0, 2, -1, 1, -3, 0, 0, 5, -5, -2, 0, 8, -4, -4, -4, 6, + 1, 2, 1, 2, 2, 2, -3, 2, 4, 0, -9, 0, 7, 0,-11, 1, + 0, 0, 0, -2, 3, 3, -1, -6, 4, 3, -3,-10, -1, 2, 6, 2, + 7, -2, -3, 5, -4, 0, 3, -1, -4, 2, 1, -7, 2, -1, -1, 3, + 3, 2, 2, 2, -5, -7, -7, -5, 5, 6, 4, 2, -2, -1, 0, 1 +}; + +/* 6x16-entry codebook for intra-coded 8x4 vectors */ +static int8_t intra_codebook_8x4[3072] = { + 5, 6, 6, 6, 7, 7, 8, 8, 0, 0, 0, 0, 0, 1, 2, 3, + -3, -4, -4, -5, -5, -4, -3, -2, -4, -4, -4, -5, -4, -4, -3, -3, + 1, 2, 2, 2, 2, 3, 3, 3, 2, 3, 3, 4, 4, 5, 5, 5, + -1, 0, 1, 1, 2, 3, 4, 4, -9,-10, -9, -9, -8, -7, -6, -5, + -4, -4, -5, -6, -6, -7, -7, -7, 0, -1, -2, -2, -3, -3, -4, -4, + 4, 4, 3, 3, 2, 1, 1, 0, 7, 7, 7, 6, 6, 5, 4, 4, + 2, 4, 5, 6, 4, 1, -3, -6, 3, 4, 5, 5, 4, 0, -5, -8, + 2, 3, 4, 4, 2, -2, -7,-10, 2, 2, 2, 1, 0, -4, -9,-12, + -9, -7, -3, 1, 4, 4, 3, 3,-10, -7, -2, 3, 5, 5, 3, 3, + -9, -6, -2, 3, 6, 5, 4, 3, -8, -6, -1, 3, 4, 4, 3, 2, + -5, -5, -5, -5, -3, 1, 4, 7, -5, -5, -5, -4, -2, 1, 6, 8, + -4, -5, -4, -3, -1, 3, 8, 10, -3, -4, -3, -2, 1, 5, 9, 11, + -2, -2, -2, -2, -2, -2, -2, -2, -4, -5, -5, -5, -5, -5, -5, -4, + -3, -4, -4, -4, -4, -4, -4, -3, 9, 10, 10, 11, 11, 11, 10, 10, + 7, 4, 1, -2, -4, -6, -9,-10, 9, 7, 3, 0, -2, -4, -8, -9, + 11, 8, 4, 2, 0, -3, -6, -8, 11, 9, 5, 3, 1, -2, -5, -7, + -13,-13,-13,-12,-11,-10, -8, -8, 0, 1, 2, 3, 4, 4, 4, 3, + 3, 4, 5, 6, 6, 6, 5, 4, 3, 4, 4, 4, 3, 3, 3, 2, + 10, 10, 11, 10, 9, 9, 8, 7, 6, 6, 6, 6, 5, 4, 3, 2, + 0, 0, 0, -1, -2, -3, -4, -4,-10,-10,-11,-12,-13,-14,-14,-14, + 16, 16, 17, 16, 15, 13, 12, 11, -1, -2, -3, -4, -4, -4, -4, -3, + -4, -5, -6, -6, -6, -6, -6, -6, -5, -6, -6, -6, -6, -6, -5, -5, + -13,-13,-13,-12,-11,-10, -8, -6, -9, -8, -7, -6, -4, -2, 0, 1, + -2, -1, 1, 3, 5, 7, 8, 9, 5, 7, 9, 11, 13, 14, 15, 15, + 16, 14, 11, 7, 2, -3, -7, -9, 14, 12, 8, 3, -1, -6, -9,-11, + 11, 9, 4, 0, -4, -8,-11,-13, 8, 5, 1, -3, -6,-10,-12,-14, + -18,-15, -9, -3, 1, 6, 9, 11,-17,-13, -7, -1, 3, 7, 11, 12, + -15,-11, -5, 1, 5, 9, 12, 13,-13, -9, -3, 2, 5, 9, 11, 13, + 22, 21, 19, 15, 10, 3, -4, -9, 20, 18, 15, 9, 2, -5,-12,-17, + 16, 13, 8, 1, -7,-14,-20,-24, 10, 6, -1, -8,-15,-21,-25,-27, + -25,-23,-20,-14, -7, 1, 9, 14,-23,-21,-16, -9, 0, 9, 16, 21, + -20,-16,-10, -1, 8, 16, 22, 25,-15,-11, -3, 6, 14, 20, 25, 27, + -4, -2, 0, 1, 2, 2, 2, 2, -5, -2, 0, 2, 3, 3, 3, 3, + -6, -4, -1, 1, 2, 3, 3, 3, -7, -5, -2, 0, 1, 1, 2, 2, + 2, 1, 1, 1, 1, 0, -2, -3, 3, 3, 2, 1, 0, -1, -3, -4, + 4, 3, 2, 1, 0, -2, -4, -6, 5, 4, 3, 1, -1, -3, -5, -6, + 5, 6, 6, 4, 2, 0, -2, -3, 3, 4, 4, 4, 3, 1, 0, -1, + -2, -2, -1, -1, -1, -1, -2, -2, -5, -4, -3, -2, -2, -2, -3, -3, + -1, -1, -1, -1, -1, -1, -1, -1, -3, -4, -4, -4, -3, -3, -3, -3, + -1, -1, -1, -1, -1, -1, -1, -2, 5, 6, 6, 6, 6, 5, 4, 3, + 4, 4, 4, 4, 4, 5, 6, 7, 0, -1, -1, -1, -1, 0, 1, 2, + -2, -3, -3, -3, -3, -2, -1, 0, -3, -3, -4, -4, -4, -3, -2, -1, + 0, -2, -4, -4, -2, 0, 2, 3, 0, -2, -3, -3, -1, 2, 4, 5, + -1, -2, -4, -3, 0, 3, 5, 6, -2, -3, -4, -3, -1, 2, 4, 5, + 9, 4, 0, -3, -3, -1, 0, 1, 8, 4, -1, -4, -3, -1, 1, 2, + 6, 2, -3, -5, -4, -2, 0, 1, 5, 1, -3, -4, -4, -2, 0, 1, + 5, 3, 1, -1, -4, -8,-10,-10, 3, 3, 2, 1, 0, -2, -3, -4, + 1, 1, 1, 2, 3, 2, 1, 0, -1, 0, 1, 2, 3, 4, 3, 2, + 0, 1, 2, 2, 1, -1, -3, -3, 0, 1, 1, 1, -1, -2, -4, -3, + -3, -3, -3, -3, -3, -3, -1, 2, -4, -4, -3, 0, 3, 7, 12, 14, + -5, -5, -6, -6, -6, -6, -6, -5, 2, 2, 2, 1, 0, 0, 0, 0, + 4, 4, 3, 2, 1, 0, 0, 0, 6, 6, 5, 4, 2, 2, 1, 1, + -7, -7, -6, -3, 0, 4, 7, 8, -1, -2, -3, -3, -2, -1, 1, 2, + 3, 3, 1, -1, -2, -2, -2, -1, 6, 6, 4, 2, 0, -2, -2, -2, + -6, -5, -2, 2, 5, 9, 11, 12, -4, -4, -2, 0, 2, 4, 5, 6, + -3, -2, -2, -2, -2, -1, 0, 1, -2, -2, -2, -3, -3, -3, -3, -2, + -7, -3, 1, 3, 3, 0, -3, -5, -6, -2, 3, 5, 4, 1, -3, -5, + -5, -1, 4, 6, 5, 2, -3, -4, -4, 0, 5, 7, 6, 3, -1, -3, + 0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -3, -3, -3, -3, -2, -1, + 6, 7, 8, 9, 9, 8, 7, 6, -4, -4, -5, -5, -6, -6, -5, -4, + -9, -8, -6, -4, 0, 3, 6, 6, -5, -4, -1, 3, 5, 6, 5, 3, + 1, 3, 6, 6, 4, 1, -2, -5, 6, 7, 5, 1, -3, -7,-10,-11, + 10, 9, 5, 1, -3, -6, -6, -4, 5, 3, -1, -5, -6, -5, -2, 2, + -2, -4, -6, -6, -4, 1, 6, 10, -6, -7, -7, -4, 1, 7, 11, 12, + 6, 5, 3, 2, 0, 0, 0, 0, 2, 1, -1, -2, -3, -2, -1, -1, + 0, -1, -2, -4, -4, -2, -1, 1, 0, 0, -1, -2, -1, 0, 2, 3, + 0, -1, -2, -2, -2, -2, -1, -1, 5, 4, 2, 1, 0, 0, 0, 0, + 6, 5, 3, 1, 0, 0, 0, 0, 2, 0, -2, -4, -4, -3, -2, -2, + -7, -4, 0, 2, 2, 2, 2, 1, -7, -3, 0, 0, 0, 0, 0, 0, + -4, -1, 1, 1, 0, 0, 0, 1, -1, 1, 2, 2, 2, 2, 3, 3, + -2, 0, 2, 2, 1, 1, 1, 1, -1, 1, 2, 2, 1, 0, 0, -1, + 0, 2, 4, 2, 0, -1, -2, -3, 1, 2, 3, 1, -2, -4, -6, -6, + 1, 2, 2, 4, 5, 6, 4, 1, 0, -1, -1, -1, 0, 0, -2, -4, + 0, 0, -1, -2, -2, -2, -4, -6, 2, 1, 0, 0, 1, 1, -1, -3, + 1, 1, 1, 1, 1, 2, 3, 3, 0, 0, 1, 0, 1, 2, 4, 4, + -1, -1, -1, -1, 0, 1, 2, 3, -4, -4, -5, -5, -5, -3, -1, 0, + -6, -5, -5, -4, -3, -2, -1, -1, -1, 0, 0, 1, 1, 2, 3, 3, + 0, 1, 1, 1, 2, 2, 3, 4, 0, 0, -1, -1, 0, 1, 2, 3, + 0, 1, 1, 1, 0, 0, -1, -1, 1, 3, 3, 2, 1, -1, -2, -2, + -2, 0, 2, 2, 2, 2, 1, 1, -9, -8, -4, -2, 1, 3, 3, 3, + -1, -1, -1, -2, -3, -3, -3, -4, 0, 0, 0, -1, -2, -2, -3, -3, + 2, 2, 2, 0, -1, -1, -1, -1, 5, 5, 4, 3, 2, 2, 2, 2, + 6, 3, -1, -4, -3, -1, 1, 1, 2, -1, -3, -4, -1, 2, 2, 0, + -1, -2, -2, 1, 4, 4, 1, -3, -2, -1, 1, 4, 6, 3, -3, -8, + 3, 3, 2, 1, -1, -2, -2, -2, -4, -4, -2, -1, 1, 3, 4, 4, + -4, -5, -5, -4, -2, 0, 2, 2, 7, 7, 4, 1, -1, -2, -3, -2, + -1, 1, 3, 0, -4, -6, 0, 6, -2, 1, 4, 1, -4, -6, -1, 7, + -3, 1, 4, 2, -3, -6, -1, 6, -2, 0, 3, 2, -2, -5, -1, 4, + 1, -1, -2, 1, 4, 4, -1, -7, 1, -1, -4, -1, 5, 6, 0, -6, + 3, 0, -4, -3, 3, 6, 2, -4, 3, 0, -5, -4, 1, 4, 1, -3, + 2, 2, 3, 3, 3, 3, 2, 2, -4, -5, -6, -7, -7, -7, -7, -6, + 1, 2, 3, 3, 3, 3, 2, 2, 0, 0, 1, 1, 1, 2, 2, 1, + 3, -3, -3, 3, 4, -2, -2, 2, 3, -4, -4, 4, 4, -4, -4, 2, + 4, -4, -4, 4, 4, -4, -3, 3, 3, -3, -4, 3, 3, -3, -3, 3, + -2, -2, -2, -2, -2, -2, -1, -1, 6, 7, 8, 8, 8, 7, 6, 5, + -5, -6, -7, -7, -8, -7, -6, -5, 1, 1, 2, 2, 2, 2, 1, 1, + 0, 0, 0, 0, 0, -1, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, + -2, -3, -2, -2, -2, -3, -3, -3, 2, 3, 5, 6, 4, 2, 1, 0, + 8, 6, 2, 0, 0, 0, 0, 0, 4, 1, 0, 0, 0, -1, -1, -1, + 1, -1, 0, 0, 0, -1, -2, -3, -2, -2, -1, 0, 0, -2, -4, -5, + 3, 1, -1, -2, -3, -4, -5, -5, 2, 1, 0, 0, 1, 1, 0, 0, + 0, -1, -1, 0, 2, 2, 2, 2, -1, -2, -1, 1, 2, 2, 2, 2, + 0, -1, -2, -1, -1, -1, -1, 0, -1, -2, -2, -1, -1, 0, 0, 1, + 2, 1, 1, 2, 2, 1, 1, 0, 6, 5, 3, 1, 0, -2, -4, -4, + -3, -2, -1, 0, 1, 1, 0, -1, 0, 1, 3, 4, 5, 5, 3, 1, + -1, -1, -1, 0, 1, 0, -1, -2, -2, -2, -2, -1, 0, -1, -2, -3, + 0, -1, -2, -2, -1, -1, 0, 2, 1, -1, -2, -1, -1, -1, 0, 2, + 1, 0, -2, -2, -2, -2, 1, 5, 1, -1, -2, -2, -2, 0, 5, 10, + 0, 0, 0, 0, 0, -1, -1, -1, -1, -1, -1, 0, 0, 0, 1, 2, + 1, 2, 2, 3, 4, 4, 6, 5, -3, -3, -3, -2, -2, -3, -3, -3, + 1, -1, -2, -2, 0, 3, 5, 7, 2, 0, -2, -3, -2, 0, 2, 3, + 3, 1, -2, -3, -3, -2, -1, -1, 3, 1, 0, -1, -1, -1, -1, -1, + 1, 3, 5, 4, 2, -1, -3, -4, -3, -2, 1, 2, 1, 0, -1, -2, + -5, -3, 0, 2, 2, 1, 0, 0, -3, -1, 1, 2, 2, 1, 0, 0, + 0, -1, -1, -1, 1, 2, 3, 4, -3, -4, -4, -3, -1, 0, 0, 1, + -2, -3, -2, -1, 1, 1, 1, 1, -2, -2, 0, 3, 4, 4, 3, 2, + -4, -4, -3, -2, -1, 1, 2, 3, 0, 1, 1, 1, -1, -2, -3, -3, + 3, 4, 5, 4, 2, -1, -3, -3, -2, -2, 0, 2, 2, 2, 1, 0, + -4, 0, 5, 7, 4, -1, -4, -4, -1, 2, 4, 3, 0, -3, -3, -2, + 2, 1, 0, -1, -2, -2, 0, 1, 0, 0, -1, -2, -2, -1, 1, 2, + -4, -3, -2, -1, 0, 1, 2, 2, 10, 9, 5, 0, -3, -4, -3, -2, + 1, -1, -2, -2, -1, 0, 0, 0, -2, -2, -1, 1, 1, 1, 0, -1, + -5, -3, 0, 3, 4, 2, 0, -2, -2, -1, 0, 1, 1, 0, -1, -1, + 3, 2, -1, -2, -2, -1, 1, 1, 7, 5, -1, -5, -6, -2, 2, 4, + -2, 3, 3, -3, -4, 1, 2, -2, -3, 3, 4, -3, -4, 2, 3, -2, + -3, 3, 4, -3, -4, 2, 3, -2, -4, 2, 4, -2, -3, 1, 2, -1, + 4, 3, -1, -3, -3, -1, 1, 2, -4, -6, -4, 0, 4, 5, 4, 1, + 0, 2, 5, 6, 2, -3, -5, -4, 1, 1, -1, -3, -5, -2, 2, 4, + -1, 0, 1, 2, 2, 3, 3, 4, -1, 0, 1, 1, 0, -1, -1, -1, + -1, 0, 1, 2, 2, 1, -1, -2, -3, -2, -1, 0, 0, -1, -2, -3, + 1, 1, 1, 1, 0, 0, 1, 2, 1, 0, -1, 0, 0, 1, 1, 0, + 1, -2, -4, -1, 1, 2, 1, 0, 1, -4, -7, -3, 1, 3, 2, 1, + 1, 1, 1, 1, 1, 1, 0, -1, 1, 1, 1, 0, 1, 2, 2, 0, + 1, 1, 0, 0, 0, 2, 0, -3, 3, 2, 0, -1, -1, -2, -6, -9, + 0, 0, 0, 1, 0, 0, 1, 2, 1, 0, 0, 0, -1, -1, 0, 2, + 0, 1, 1, 1, -1, -3, -2, 0, -7, -5, 1, 6, 6, 2, -1, -1, + 3, 1, -1, -3, -4, -2, 1, 4, 2, 0, -2, -3, -4, -3, -1, 2, + 2, 2, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, + -1, 1, 1, -2, -5, -6, -4, -1, -1, 1, 4, 3, 2, 0, 1, 2, + -1, 0, 2, 3, 1, 0, 0, 1, -1, 0, 1, 0, 0, -1, -1, 0, + 0, 1, 2, 2, 0, -2, -1, 1, -2, -1, -1, -2, -1, 2, 6, 8, + -1, -1, -2, -3, -2, 0, 1, 2, -1, 0, 0, -1, -1, 0, -1, -1, + 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, -1, -1, 1, + -1, 0, 2, 2, -1, -3, -2, 3, 0, 2, 3, 0, -5, -7, -2, 4, + -1, 0, 0, 0, -1, -2, -3, -3, -1, 0, -1, -2, -2, -2, -2, -2, + 1, 1, 0, 0, 1, 2, 0, -1, 1, 2, 1, 2, 5, 6, 2, 0, + -2, -4, -3, 0, 2, 2, 0, -3, 3, 1, 0, 1, 2, 1, -2, -3, + 3, 1, 0, 0, 0, 0, 0, -1, 1, -1, -2, -2, -1, 1, 3, 3, + 3, 2, 1, 2, 4, 3, 1, -2, -2, -4, -4, -3, -1, 0, -2, -3, + 1, 0, -1, -1, 0, 1, 0, -1, 3, 2, 0, 0, 0, 1, 1, 0, + 1, 1, 0, 0, 0, 0, 0, 0, 2, 3, 3, 2, 2, 2, 1, 1, + 0, -1, -2, -3, -5, -5, -5, -4, 1, 1, 0, -1, 0, 1, 3, 3, + -9, -6, -2, 0, 1, 1, 2, 2, -6, -2, 1, 2, 1, 1, 0, 1, + -2, 1, 2, 2, 1, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, + 1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, -1, -3, -2, 0, + -3, -3, -3, -2, -1, 3, 7, 9, 1, 2, 2, 2, 0, -2, -4, -3, + 2, 0, -2, -1, 3, 4, -1, -6, 1, 0, -2, -3, -1, 3, 3, 0, + 0, 3, 3, 0, -2, -1, 1, 1, -6, -1, 3, 2, -1, -2, 0, 1, + 5, 3, 0, -2, -3, 0, 2, 1, 1, 1, 2, 2, 0, -2, -4, -7, + -3, -2, 1, 2, 2, 1, -1, -4, 2, 2, 0, -2, -2, 0, 2, 2, + 0, 0, -2, -3, -2, -1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, + -2, -1, 0, 1, 0, 1, 2, 3, -4, -2, 0, 0, -1, 0, 2, 3, + -2, -2, -2, -1, -1, 0, 2, 4, 0, 0, 0, 0, -1, -1, 0, 1, + 0, -1, -1, -1, -1, -1, 0, 0, 6, 4, 2, 0, -1, -2, -1, -1, + 0, 1, 1, 1, 1, -1, -5,-10, 1, 1, 1, 1, 1, 1, 0, -4, + 1, 0, 1, 1, 1, 1, 1, -1, 2, 1, 1, 1, 0, 0, 0, 0, + -3, 1, 4, 3, 3, 1, -1, 0, -4, 0, 1, 0, -1, 0, 0, 0, + -5, 0, 2, 1, 1, 1, 0, -1, -1, 2, 1, -2, -2, -1, 0, -1, + 2, 4, 5, 3, 0, -1, 1, 2, 0, 0, 1, 0, -2, -2, -1, -1, + -2, -2, -2, -2, -3, -2, -1, 0, 0, 0, 1, 0, 0, 0, 1, 2, + 0, -2, -2, -3, -1, 2, 2, -1, 1, 0, 0, 0, 1, 5, 3, -2, + -1, -1, 0, -1, 0, 2, 0, -5, -1, 0, 1, 0, 0, 2, 2, -2, + 3, 1, -1, -1, 0, 1, 1, 2, 1, 0, 0, 1, 1, 1, 1, 1, + -10, -8, -2, 1, 2, 1, 1, 1, -1, 1, 2, 1, 0, 0, 0, 0, + -1, -1, 0, 1, 2, 2, 2, 1, -1, -1, -1, 0, -1, -3, -5, -4, + 1, 1, 2, 1, 1, 0, 0, 2, -1, -2, -1, -1, -1, 0, 2, 4, + -3, -7, -5, 0, 2, 0, 0, 0, 3, -1, -2, 1, 2, 1, 1, 2, + 1, -2, -1, 1, 2, 1, 0, 1, 0, -1, 0, 3, 2, -1, -1, -1, + 2, 1, 1, 0, 0, 0, 0, 0, -9, -7, -2, 3, 3, 2, 1, 1, + 3, 2, 0, -2, -2, -1, 1, 1, 0, -1, 0, 0, 1, 1, 0, 0, + -2, -1, 1, 1, 1, 0, 0, 0, 1, 2, 1, -2, -4, -3, 1, 2, + 1, 2, 1, -2, -3, 0, 3, 1, -1, -1, 0, 0, 1, 3, 0, -4, + 2, 0, -1, 1, 2, -2, -2, 3, 2, 0, -1, 2, 3, -2, -4, 1, + 0, 1, 1, 1, 2, -2, -6, -2, -1, 0, 0, 0, 2, 0, -2, -1, + -1, -1, 1, 2, 1, -2, -3, -2, 3, -1, -2, -1, -1, 0, 1, 2, + 10, 4, 0, 0, -1, -2, -2, -1, 3, -1, -2, -1, 0, -1, -1, 0, + -5, 2, 7, 1, -4, -2, 1, 0, -2, 2, 3, -1, -3, 0, 2, 0, + 2, 1, 0, 0, 1, 1, -1, -2, 1, -2, -2, -1, -1, -2, 0, 0, + 0, 3, -2, -7, -1, 3, 0, 0, 1, 3, -3, -5, 2, 3, -1, 0, + 0, 2, -2, -2, 4, 2, -2, 0, -1, 1, -1, 0, 2, -1, -2, 1, + 4, 0, -3, -4, -2, 1, 2, 1, 0, 0, 3, 5, 3, 1, -1, -2, + 1, 1, 1, -1, -3, -1, 1, 1, 1, -1, -2, -2, 0, 0, -1, -2 +}; + +/* 6x16-entry codebook for intra-coded 8x8 vectors */ +static int8_t intra_codebook_8x8[6144] = { + 4, 4, 3, 2, 2, 1, 0, -1, 4, 3, 3, 2, 1, 0, -1, -1, + 3, 3, 2, 2, 1, 0, -1, -2, 3, 2, 2, 1, 0, -1, -2, -3, + 2, 2, 1, 0, -1, -1, -2, -3, 2, 1, 0, 0, -1, -2, -3, -4, + 1, 0, 0, -1, -2, -3, -4, -4, 0, 0, -1, -2, -2, -3, -4, -4, + 2, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 3, 3, + 1, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, + -1, 0, 0, 0, 0, 0, 1, 1, -2, -2, -1, -1, -1, -1, -1, -1, + -3, -3, -3, -3, -3, -3, -2, -2, -5, -4, -4, -4, -4, -4, -4, -3, + -4, -2, -1, 0, 1, 2, 2, 3, -4, -2, -1, 0, 1, 2, 3, 3, + -4, -3, -1, 0, 1, 2, 3, 3, -4, -3, -1, 0, 1, 2, 3, 3, + -5, -3, -1, 0, 1, 2, 3, 3, -5, -3, -1, 0, 1, 2, 3, 3, + -5, -3, -1, 0, 1, 1, 2, 3, -5, -3, -2, -1, 0, 1, 2, 3, + 4, 4, 5, 5, 6, 6, 7, 7, 2, 2, 2, 3, 3, 4, 4, 4, + 0, 0, 0, 0, 1, 1, 1, 2, -2, -2, -2, -2, -1, -1, -1, 0, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -1, -2, -2, -2, -2, -2, -2, -2, -1, -1, -1, -1, -2, -2, -2, -2, + 5, 3, 1, -1, -2, -3, -3, -3, 5, 3, 1, -1, -2, -3, -3, -3, + 5, 3, 1, -1, -2, -3, -3, -3, 5, 3, 1, -1, -2, -3, -3, -3, + 5, 4, 1, 0, -2, -3, -3, -3, 6, 4, 2, 0, -2, -2, -3, -3, + 6, 4, 2, 0, -1, -2, -2, -3, 6, 4, 2, 1, -1, -2, -2, -2, + -1, 1, 3, 3, 2, 0, -3, -6, -1, 1, 3, 4, 3, 0, -3, -6, + -1, 1, 4, 4, 3, 1, -3, -6, -1, 1, 3, 4, 3, 1, -3, -6, + -2, 1, 3, 4, 3, 1, -3, -6, -2, 1, 3, 4, 3, 1, -3, -7, + -2, 1, 3, 3, 2, 0, -3, -7, -2, 0, 2, 3, 2, 0, -3, -6, + 10, 9, 8, 6, 6, 5, 4, 4, 6, 5, 4, 3, 2, 2, 2, 1, + 2, 1, 0, -1, -2, -2, -2, -1, -1, -2, -3, -4, -4, -4, -4, -3, + -2, -3, -4, -4, -5, -4, -4, -3, -2, -2, -3, -3, -3, -3, -2, -2, + -1, -1, -1, -1, -1, -1, -1, 0, 1, 1, 1, 1, 1, 1, 1, 2, + -2, -1, 1, 2, 4, 5, 7, 8, -3, -2, 0, 1, 3, 5, 7, 8, + -4, -3, -1, 0, 2, 4, 6, 7, -5, -4, -2, -1, 1, 3, 5, 7, + -6, -5, -3, -2, 0, 2, 4, 6, -6, -5, -4, -2, -1, 1, 3, 5, + -7, -6, -5, -3, -2, 0, 2, 3, -8, -7, -5, -4, -3, -1, 1, 2, + 11, 9, 7, 5, 3, 1, -1, -1, 10, 8, 6, 3, 1, 0, -2, -2, + 9, 7, 5, 2, 0, -2, -3, -4, 8, 6, 3, 1, -1, -3, -4, -4, + 6, 4, 2, -1, -3, -4, -5, -5, 5, 3, 0, -2, -4, -5, -6, -6, + 3, 1, -1, -3, -5, -6, -7, -7, 2, 0, -2, -4, -6, -6, -7, -7, + 5, 6, 7, 7, 7, 8, 8, 8, 3, 4, 5, 5, 6, 6, 6, 6, + 0, 2, 2, 3, 4, 4, 4, 5, -2, -1, 0, 1, 2, 2, 3, 3, + -4, -3, -2, -1, 0, 1, 1, 2, -6, -5, -4, -3, -2, -2, -1, 0, + -8, -7, -6, -6, -5, -4, -3, -3,-10, -9, -8, -8, -7, -6, -6, -5, + 6, 5, 3, 1, -1, -3, -6, -8, 6, 5, 4, 2, -1, -3, -6, -8, + 6, 5, 4, 2, 0, -3, -6, -8, 6, 5, 4, 2, 0, -3, -6, -8, + 6, 6, 4, 2, 0, -3, -6, -8, 6, 5, 4, 2, 0, -3, -6, -8, + 6, 5, 4, 2, 0, -3, -6, -8, 6, 5, 4, 2, -1, -3, -5, -8, + 11, 10, 9, 8, 7, 6, 5, 4, 8, 8, 7, 6, 5, 4, 3, 2, + 6, 5, 4, 4, 2, 2, 1, 0, 3, 3, 2, 1, 0, 0, -1, -2, + 1, 1, 0, -1, -2, -2, -3, -3, -1, -1, -2, -3, -4, -4, -5, -5, + -3, -4, -4, -5, -6, -6, -7, -7, -5, -5, -6, -7, -8, -8, -8, -8, + -14,-13,-12,-11, -9, -7, -6, -4,-12,-11,-10, -9, -7, -5, -3, 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0, 0, 0, 0, 0, 0, 1, 2, + -1, -1, -1, 0, 0, 0, 1, 2, -1, -2, -1, 1, 1, 1, 0, 0, + -1, -2, -1, 1, 2, 2, 0, -1, -1, -2, -1, 2, 2, 2, 0, -1, + -1, -1, -1, -2, -1, -1, 0, 1, 0, 0, -1, -1, -1, 0, 1, 2, + 1, 0, 0, 0, 0, 1, 1, 2, 1, 1, 0, 0, 1, 1, 1, 1, + 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, -1, -1, -1, + 1, 2, 1, 0, -1, -2, -2, -3, 2, 2, 1, 0, -2, -3, -4, -4, + -4, -2, 1, 1, 1, 1, 0, 0, -2, 0, 1, 0, 0, 0, 0, 0, + 0, 1, 1, -2, -2, -1, 0, 1, 2, 2, 1, -2, -2, -1, 1, 2, + 1, 2, 1, -2, -2, -1, 1, 2, -1, 1, 1, -1, -1, -1, 0, 1, + -2, 0, 1, 1, 0, -1, -1, 0, -2, 0, 2, 2, 1, -1, -1, 0, + 1, 1, 0, 0, 0, 1, 0, 0, -2, -3, -3, -2, -2, -1, 0, 0, + -3, -4, -3, -2, -1, 0, 0, 0, -1, -1, 0, 1, 2, 3, 2, 1, + 0, 1, 2, 3, 3, 3, 2, 1, 1, 1, 1, 2, 1, 0, 0, -1, + 0, 0, 0, 0, -1, -1, -1, -1, 0, -1, -1, 0, 0, 0, 0, 0, + 1, 1, 0, 0, -1, -1, 0, 2, 0, 0, 1, 0, -1, -1, 1, 1, + -2, -1, 0, 1, 1, 1, 1, 1, -3, -3, 0, 2, 2, 1, 1, 0, + -2, -2, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, -1, -1, + 3, 1, -1, -3, -2, -1, 0, 1, 4, 2, -1, -3, -3, -1, 1, 2, + 0, 0, 0, -1, -1, -1, -1, -1, 1, 2, 1, 0, 0, 0, -1, -1, + 2, 3, 3, 2, 1, 0, -1, -1, 3, 4, 4, 2, 1, 0, -1, -2, + 3, 3, 2, 1, 0, -1, -2, -2, 1, 1, 0, -1, -1, -2, -2, -3, + 0, 0, 0, -1, -1, -2, -2, -2, -1, -1, -1, -1, -1, -2, -2, -1, + 1, 2, 2, 2, 2, 1, 2, 2, 0, 1, 1, 1, 1, 0, 0, 0, + 0, 0, 0, 1, 1, 0, -1, -2, 0, 0, 0, 0, 1, 0, -1, -4, + 1, 0, 0, 0, 0, 0, -2, -5, 1, 0, 0, 0, 0, 0, -1, -4, + 1, 0, -1, 0, 0, 0, -1, -3, 0, -1, -1, 0, 1, 1, 1, -1, + -2, -1, 0, 0, -1, -1, -1, -2, -1, 0, 0, 0, -1, -1, -2, -2, + 0, 1, 1, 0, -1, -1, -1, -2, 0, 1, 1, 0, 0, 0, -1, -1, + 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 2, 2, 1, + 1, 1, 0, 0, 1, 2, 2, 1, 1, 1, 0, -1, 0, 1, 1, 0, + 4, 2, 1, 0, 0, 1, 1, 1, 4, 2, 1, 0, 0, 0, 0, 1, + 3, 1, 0, 0, -1, -1, -1, 0, 1, 0, 0, -1, -1, -2, -1, 0, + 0, 0, 0, 0, -1, -1, -1, 0, -1, -1, 0, 0, -1, -1, 0, 1, + -2, -1, 0, -1, -1, 0, 0, 1, -2, -2, -1, -2, -1, 0, 0, 1, + 0, 1, 1, 1, 2, 1, 0, -1, -1, -1, -1, 0, 0, -1, -2, -2, + -1, 0, -1, 0, 0, -1, -2, -1, 0, 0, 0, 0, 0, 0, 1, 2, + 0, 0, 0, 0, 0, 0, 2, 3, -1, 0, -1, -1, -1, -1, 0, 3, + -1, 0, 0, -1, -1, -2, 0, 3, 0, 0, 0, 0, -1, -1, 1, 4, + 2, 2, 0, 0, 0, 0, 0, 1, 1, 1, -1, -2, -1, -2, -1, 1, + -1, -1, -2, -2, -2, -3, -2, 0, -1, 0, -1, -1, -1, -2, -1, 1, + 1, 1, 0, 0, 1, 0, 0, 1, 2, 2, 0, 0, 1, 0, 0, 1, + 2, 2, 0, 0, 0, 0, -1, -1, 2, 2, 0, 0, 1, 0, -1, -1, + -1, 0, 1, 1, 0, -1, -1, -1, 1, 2, 3, 2, 1, 0, 0, 0, + 0, 1, 1, 1, 0, -1, 0, 0, -2, -2, -1, 0, 1, 0, 0, 0, + -2, -2, -1, 2, 2, 2, 1, 0, -2, -1, 0, 1, 1, 0, 0, -1, + -1, -1, 0, 0, -1, -2, -1, -2, 0, 1, 1, 1, 0, 0, 1, 1, + -3, -3, -3, -2, -1, -1, -2, -2, -1, -1, 0, 1, 2, 1, 0, 0, + 1, 1, 1, 2, 2, 1, 0, 0, 1, 1, 1, 1, 1, 0, -1, 1, + 1, 0, -1, -1, 0, 0, -1, 1, 0, -1, -1, -1, 0, -1, -1, 1, + 1, 0, -1, 0, 0, -1, 0, 2, 2, 0, -1, 0, 0, 0, 0, 2, + 1, 0, -2, -1, 0, 1, 1, 0, 2, 0, -1, -1, 0, 1, 1, 0, + 1, 0, -2, -1, 0, 1, 0, -1, 1, 0, -1, -1, 0, 1, 0, -1, + 0, 1, 1, 0, 1, 1, 0, 0, -2, 1, 2, 1, 0, 0, 0, 1, + -5, 0, 2, 1, 0, -1, 0, 1, -6, -1, 2, 1, 0, -1, 0, 0, + 5, 3, 0, -1, -2, -1, -1, -1, 1, 1, 0, -1, -1, 0, -1, -1, + -1, 0, 1, 1, 2, 2, 1, 0, -2, -1, 0, 1, 2, 1, 1, 1, + -2, -1, -1, -1, 0, -1, 0, 1, 0, 1, 0, 0, -1, -1, 0, 0, + 0, 1, 1, 1, 1, 0, 0, 0, -3, -2, 0, 1, 1, 0, 0, -1, + -1, 0, 1, 0, -1, 0, 2, 3, -1, 0, 0, -2, -4, -2, -1, 0, + 0, 1, 1, 0, -2, -1, 0, -1, 1, 2, 3, 1, 0, 1, 1, 0, + -1, 0, 1, 1, 1, 1, 1, 0, -2, -3, -2, 0, 0, 0, 1, 0, + -1, -2, -2, 0, 1, 0, 0, -1, 3, 1, 0, 0, 1, 0, -1, -1, + -2, -1, 0, 0, -1, -1, 0, 0, -1, 0, 0, 0, 0, 1, 1, 1, + -1, -1, -1, 0, 1, 1, 1, 1, 0, -2, -3, -1, 1, 0, 0, 0, + 1, -1, -3, -1, 1, 1, 0, -1, 3, 1, -1, 1, 2, 2, 0, -1, + 3, 1, 0, 1, 2, 1, 1, 0, 0, -2, -2, -1, -1, 0, 0, 0, + 1, 0, -1, -1, 1, 2, 1, 0, 0, -1, -2, -1, 1, 2, 2, 1, + -1, -1, -1, 0, 0, 1, 2, 0, -2, 0, 0, 0, 0, 0, 1, -1, + -1, 0, 1, 0, -1, -1, -1, -1, 0, 1, 1, 2, 0, -2, -1, 0, + 1, 2, 2, 2, 1, -1, -1, 0, 0, 1, 1, 1, 0, -2, -2, -1, + 0, 0, -1, -1, -1, -1, -2, -2, 0, 0, -1, 0, 1, 2, 2, 1, + 0, 0, -1, -1, 0, 1, 2, 2, 1, 1, -1, -2, -1, -1, -1, -1, + 2, 2, 1, 0, 0, -1, -2, -2, 1, 2, 2, 1, 0, 0, -2, -2, + 0, 0, 0, 0, 1, 1, 0, -1, 0, -1, -1, -1, 2, 3, 2, 1, + 0, -2, 1, 2, -1, 0, 0, 1, -1, -2, 2, 3, -1, 0, 0, 0, + 0, -2, 2, 3, -1, -1, 0, 0, 0, -1, 3, 2, -2, 0, 1, 0, + 0, -1, 3, 1, -2, 0, 1, 0, 0, -1, 2, 1, -1, 1, 0, -1, + 0, 0, 1, -1, -2, 0, 0, -1, 1, 0, 0, -2, -2, -1, -1, -1, + 1, 1, 1, 1, 1, -1, -1, -2, 0, 0, 0, 1, 1, 1, 1, 1, + 0, 0, 0, 1, 1, 1, 2, 3, 1, 0, 0, -1, 0, 0, 1, 2, + 0, -1, -1, -2, -1, 0, 1, 2, -2, -2, -2, -2, -1, 0, 1, 1, + -1, -1, -1, -1, 0, 0, 0, -1, 2, 2, 2, 0, -1, -1, -2, -4, + -1, -2, -1, -1, 0, 1, 2, 3, -1, -1, -1, -1, 0, 1, 2, 3, + 1, 0, -1, 0, -1, 0, 1, 2, 1, 0, 0, 0, -1, 0, 2, 2, + 1, 0, -1, -1, -2, 0, 1, 2, 0, -2, -2, -2, -3, -1, 0, 1, + 0, -2, -2, -2, -2, -1, 1, 1, 0, 0, 0, 0, 0, 1, 2, 2 +}; + +/* list of codebooks for intra-coded vectors */ +static uint8_t *intra_codebooks[4] = { + intra_codebook_4x2, intra_codebook_4x4, intra_codebook_8x4, intra_codebook_8x8 +}; + +/* block type, codes 000 .. 1xx */ +static vlc_code_t block_type_table[8] = { + { SVQ1_BLOCK_INTRA, 3 }, { SVQ1_BLOCK_INTER_4V, 3 }, + { SVQ1_BLOCK_INTER, 2 }, { SVQ1_BLOCK_INTER, 2 }, + { SVQ1_BLOCK_SKIP, 1 }, { SVQ1_BLOCK_SKIP, 1 }, + { SVQ1_BLOCK_SKIP, 1 }, { SVQ1_BLOCK_SKIP, 1 } +}; + +/* motion vector, codes 0000011 .. 011xxxx */ +static vlc_code_t motion_table_0[61] = { + { 7, 8 }, { 6, 8 }, { 5, 8 }, { 4, 7 }, { 4, 7 }, + { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, + { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, + { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 } +}; + +/* motion vector, codes 000000000010 ... 0000010111xx */ +static vlc_code_t motion_table_1[94] = { + {32, 13}, {31, 13}, {30, 12}, {30, 12}, {29, 12}, {29, 12}, + {28, 12}, {28, 12}, {27, 12}, {27, 12}, {26, 12}, {26, 12}, {25, 12}, {25, 12}, + {24, 11}, {24, 11}, {24, 11}, {24, 11}, {23, 11}, {23, 11}, {23, 11}, {23, 11}, + {22, 11}, {22, 11}, {22, 11}, {22, 11}, {21, 11}, {21, 11}, {21, 11}, {21, 11}, + {20, 11}, {20, 11}, {20, 11}, {20, 11}, {19, 11}, {19, 11}, {19, 11}, {19, 11}, + {18, 11}, {18, 11}, {18, 11}, {18, 11}, {17, 11}, {17, 11}, {17, 11}, {17, 11}, + {16, 11}, {16, 11}, {16, 11}, {16, 11}, {15, 11}, {15, 11}, {15, 11}, {15, 11}, + {14, 11}, {14, 11}, {14, 11}, {14, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11}, + {12, 11}, {12, 11}, {12, 11}, {12, 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}, + { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, + { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, +}; + +/* inter-coded vector codebook count tables, codes 000000 ... 111111 */ +static vlc_code_t inter_vector_tables[6][64] = { + /* 4x2 vector, codes 0000xxx ... 11xxxxx */ + { { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, + { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, + { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, + {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, + {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 } }, + + /* 4x4 vector, codes 0000xxx ... 11xxxxx */ + { { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, + { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, + { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, + {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, + {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 } }, + + /* 8x4 vector, codes 00000xx ... 1xxxxxx */ + { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, + { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } }, + + /* 8x8 vector, codes 00000xx ... 1xxxxxx */ + { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, + { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } }, + + /* 16x8 vector, codes 00000xx ... 1xxxxxx */ + { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, + { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } }, + + /* 16x16 vector, codes 000000x ... 1xxxxxx */ + { { 6, 6 }, { 5, 6 }, { 4, 5 }, { 4, 5 }, { 3, 5 }, { 3, 5 }, { 2, 5 }, { 2, 5 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, + { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, + {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } } +}; + +/* vector codebook count tables, codes 0000000 ... 1111111 */ +static vlc_code_t intra_vector_tables[6][128] = { + /* 4x2 vector, codes 00000xx ... 1xxxxxx */ + { { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, + { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, + { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, + { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } }, + + /* 4x4 vector, codes 0000xxx ... 11xxxxx */ + { { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, + {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, + { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, + { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, + { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, + { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, + { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, + { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, + { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, + { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, + { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 } }, + + /* 8x4 vector, codes 00000xx ... 1xxxxxx */ + { { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, + { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, + { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, + { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, + { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, + { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } }, + + /* 8x8 vector, codes 000000x ... 1xxxxxx */ + { { 2, 6 }, { 2, 6 }, {-1, 6 }, {-1, 6 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, + { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, + { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, + { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } }, + + /* 16x8 vector, codes 000000x ... 1xxxxxx */ + { { 4, 6 }, { 4, 6 }, {-1, 6 }, {-1, 6 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, + { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, + { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, + { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } }, + + /* 16x16 vector, codes 0000000 ... 1xxxxxx */ + { { 5, 7 }, {-1, 7 }, { 4, 6 }, { 4, 6 }, { 6, 5 }, { 6, 5 }, { 6, 5 }, { 6, 5 }, + { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } } +}; + +/* intra mean value, codes 00100101 ... 1111xxxx */ +static vlc_code_t intra_mean_table_0[219] = { + {135, 8 }, {136, 8 }, {165, 8 }, + {134, 8 }, {129, 8 }, {164, 8 }, {163, 8 }, {133, 8 }, {162, 8 }, {174, 8 }, {175, 8 }, + {161, 8 }, {160, 8 }, {159, 8 }, {158, 8 }, {157, 8 }, {156, 8 }, {155, 8 }, {154, 8 }, + {153, 8 }, {151, 8 }, {152, 8 }, {132, 8 }, {110, 8 }, {131, 8 }, {108, 8 }, {130, 8 }, + {166, 8 }, {105, 8 }, {104, 8 }, {103, 8 }, {127, 8 }, {101, 8 }, {167, 8 }, {168, 8 }, + { 98, 8 }, {128, 8 }, { 48, 8 }, { 95, 8 }, { 62, 8 }, { 93, 8 }, { 92, 8 }, { 91, 8 }, + { 90, 8 }, { 89, 8 }, { 60, 8 }, { 87, 8 }, { 86, 8 }, { 57, 8 }, { 84, 8 }, { 83, 8 }, + { 82, 8 }, { 81, 8 }, { 80, 8 }, { 79, 8 }, { 78, 8 }, { 77, 8 }, { 76, 8 }, { 75, 8 }, + { 74, 8 }, { 73, 8 }, { 72, 8 }, { 71, 8 }, { 70, 8 }, { 69, 8 }, { 68, 8 }, { 67, 8 }, + { 66, 8 }, { 65, 8 }, { 56, 8 }, { 63, 8 }, { 23, 8 }, { 61, 8 }, { 30, 8 }, { 59, 8 }, + { 58, 8 }, { 52, 8 }, { 29, 8 }, { 55, 8 }, { 54, 8 }, { 53, 8 }, { 50, 8 }, { 51, 8 }, + { 22, 8 }, { 49, 8 }, { 85, 7 }, { 85, 7 }, { 97, 7 }, { 97, 7 }, { 88, 7 }, { 88, 7 }, + { 64, 7 }, { 64, 7 }, { 94, 7 }, { 94, 7 }, {106, 7 }, {106, 7 }, {107, 7 }, {107, 7 }, + {109, 7 }, {109, 7 }, {111, 7 }, {111, 7 }, {112, 7 }, {112, 7 }, {113, 7 }, {113, 7 }, + {114, 7 }, {114, 7 }, {115, 7 }, {115, 7 }, {116, 7 }, {116, 7 }, {117, 7 }, {117, 7 }, + {118, 7 }, {118, 7 }, {119, 7 }, {119, 7 }, {120, 7 }, {120, 7 }, { 99, 7 }, { 99, 7 }, + {102, 7 }, {102, 7 }, { 28, 7 }, { 28, 7 }, {100, 7 }, {100, 7 }, { 96, 7 }, { 96, 7 }, + {139, 7 }, {139, 7 }, { 24, 7 }, { 24, 7 }, { 1, 7 }, { 1, 7 }, {138, 7 }, {138, 7 }, + {121, 7 }, {121, 7 }, {122, 7 }, {122, 7 }, {123, 7 }, {123, 7 }, {124, 7 }, {124, 7 }, + {125, 7 }, {125, 7 }, {126, 7 }, {126, 7 }, {137, 7 }, {137, 7 }, {140, 7 }, {140, 7 }, + {150, 7 }, {150, 7 }, {144, 7 }, {144, 7 }, {141, 7 }, {141, 7 }, {142, 7 }, {142, 7 }, + {143, 7 }, {143, 7 }, {145, 7 }, {145, 7 }, {147, 7 }, {147, 7 }, {146, 7 }, {146, 7 }, + { 27, 6 }, { 27, 6 }, { 27, 6 }, { 27, 6 }, {148, 6 }, {148, 6 }, {148, 6 }, {148, 6 }, + {149, 6 }, {149, 6 }, {149, 6 }, {149, 6 }, { 0, 6 }, { 0, 6 }, { 0, 6 }, { 0, 6 }, + { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, + { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, + { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, + { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 } +}; + +/* intra mean value, codes 0000001101 ... 001001001x */ +static vlc_code_t intra_mean_table_1[135] = { + {218, 10}, {219, 10}, {220, 10}, + {221, 10}, {222, 10}, {217, 10}, {230, 10}, {215, 10}, {208, 10}, {207, 10}, {206, 10}, + {214, 10}, {204, 10}, {223, 10}, {224, 10}, {225, 10}, {226, 10}, {227, 10}, {228, 10}, + {229, 10}, {213, 10}, {212, 10}, {231, 10}, {232, 10}, {211, 10}, {210, 10}, {236, 10}, + {209, 10}, {216, 10}, {205, 10}, { 18, 10}, {186, 9 }, {186, 9 }, {185, 9 }, {185, 9 }, + {184, 9 }, {184, 9 }, {182, 9 }, {182, 9 }, {183, 9 }, {183, 9 }, {180, 9 }, {180, 9 }, + {181, 9 }, {181, 9 }, {178, 9 }, {178, 9 }, {187, 9 }, {187, 9 }, {176, 9 }, {176, 9 }, + {188, 9 }, {188, 9 }, {179, 9 }, {179, 9 }, {173, 9 }, {173, 9 }, {172, 9 }, {172, 9 }, + {171, 9 }, {171, 9 }, {170, 9 }, {170, 9 }, {169, 9 }, {169, 9 }, {189, 9 }, {189, 9 }, + {190, 9 }, {190, 9 }, {191, 9 }, {191, 9 }, {192, 9 }, {192, 9 }, {193, 9 }, {193, 9 }, + {194, 9 }, {194, 9 }, {195, 9 }, {195, 9 }, {196, 9 }, {196, 9 }, {197, 9 }, {197, 9 }, + {198, 9 }, {198, 9 }, {200, 9 }, {200, 9 }, {201, 9 }, {201, 9 }, {202, 9 }, {202, 9 }, + {203, 9 }, {203, 9 }, {199, 9 }, {199, 9 }, {177, 9 }, {177, 9 }, { 40, 9 }, { 40, 9 }, + { 39, 9 }, { 39, 9 }, { 38, 9 }, { 38, 9 }, { 37, 9 }, { 37, 9 }, { 36, 9 }, { 36, 9 }, + { 35, 9 }, { 35, 9 }, { 34, 9 }, { 34, 9 }, { 33, 9 }, { 33, 9 }, { 32, 9 }, { 32, 9 }, + { 31, 9 }, { 31, 9 }, { 21, 9 }, { 21, 9 }, { 11, 9 }, { 11, 9 }, { 41, 9 }, { 41, 9 }, + { 45, 9 }, { 45, 9 }, { 44, 9 }, { 44, 9 }, { 42, 9 }, { 42, 9 }, { 43, 9 }, { 43, 9 }, + { 47, 9 }, { 47, 9 }, { 46, 9 }, { 46, 9 } +}; + +/* intra mean value, codes 00000000000001 ... 00000011001xxx */ +static vlc_code_t intra_mean_table_2[207] = { + {255, 14}, { 14, 14}, { 13, 14}, { 17, 12}, { 17, 12}, { 17, 12}, { 17, 12}, + {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, + {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, + {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, + {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, + {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, + {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, + {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, + {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, + {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, + {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, + {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, + { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, + {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, + {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, + {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, + {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, + {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, + {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, + {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, + { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, + { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, + {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, + {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, + { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, + {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11} +}; + +/* intra mean value, codes 00000000000000000000 ... 000000000000001xxxxx */ +static vlc_code_t intra_mean_table_3[64] = { + { 6, 20}, { 3, 20}, { 4, 20}, { 5, 20}, { 7, 20}, { 8, 20}, { 9, 19}, { 9, 19}, + { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, + { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 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} +}; + +/* inter mean value, codes 00001011 ... 1xxxxxxx */ +static vlc_code_t inter_mean_table_0[245] = { + { 10, 8 }, { 12, 8 }, { 11, 8 }, {-11, 8 }, {-12, 8 }, + {-10, 8 }, { -9, 8 }, { -7, 7 }, { -7, 7 }, { -6, 7 }, { -6, 7 }, { 8, 7 }, { 8, 7 }, + { -8, 7 }, { -8, 7 }, { 9, 7 }, { 9, 7 }, { 6, 7 }, { 6, 7 }, { 7, 7 }, { 7, 7 }, + { -5, 6 }, { -5, 6 }, { -5, 6 }, { -5, 6 }, { -4, 6 }, { -4, 6 }, { -4, 6 }, { -4, 6 }, + { 5, 6 }, { 5, 6 }, { 5, 6 }, { 5, 6 }, { 4, 6 }, { 4, 6 }, { 4, 6 }, { 4, 6 }, + { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, + { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, + { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, + { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, + { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, + { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, + { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } +}; + +/* inter mean value, codes 000000010010 ... 00001011xxxx */ +static vlc_code_t inter_mean_table_1[158] = { + {-30, 12}, {-31, 12}, {-32, 12}, {-33, 12}, { 31, 12}, {-34, 12}, + {-35, 12}, { 29, 12}, { 30, 12}, { 33, 12}, { 34, 12}, { 32, 12}, {-29, 11}, {-29, 11}, + {-28, 11}, {-28, 11}, { 28, 11}, { 28, 11}, {-27, 11}, {-27, 11}, {-26, 11}, {-26, 11}, + { 27, 11}, { 27, 11}, { 26, 11}, { 26, 11}, { 25, 11}, { 25, 11}, { 24, 11}, { 24, 11}, + { 23, 11}, { 23, 11}, { 22, 11}, { 22, 11}, {-24, 11}, {-24, 11}, {-25, 11}, {-25, 11}, + {-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, {-21, 10}, {-21, 10}, {-21, 10}, {-21, 10}, + {-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, {-19, 10}, {-19, 10}, {-19, 10}, {-19, 10}, + {-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, {-22, 10}, {-22, 10}, {-22, 10}, {-22, 10}, + { 19, 10}, { 19, 10}, { 19, 10}, { 19, 10}, { 21, 10}, { 21, 10}, { 21, 10}, { 21, 10}, + { 20, 10}, { 20, 10}, { 20, 10}, { 20, 10}, { 18, 10}, { 18, 10}, { 18, 10}, { 18, 10}, + {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, + {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, + { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, + { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, + { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, + { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, + { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, + {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, + {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, + {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 } +}; + +/* inter mean value, codes 000000000010111 ... 0000000100011xx */ +static vlc_code_t inter_mean_table_2[121] = { + { 61, 15}, + { 52, 15}, { 58, 15}, {-56, 15}, {-57, 15}, { 59, 15}, {-55, 15}, { 60, 15}, {-54, 15}, + { 53, 15}, {-62, 15}, {-60, 15}, {-59, 15}, {-58, 15}, { 57, 15}, { 56, 15}, {-53, 15}, + { 55, 15}, { 54, 15}, { 50, 14}, { 50, 14}, { 45, 14}, { 45, 14}, {-52, 14}, {-52, 14}, + {-51, 14}, {-51, 14}, {-50, 14}, {-50, 14}, { 46, 14}, { 46, 14}, {-49, 14}, {-49, 14}, + {-48, 14}, {-48, 14}, { 48, 14}, { 48, 14}, {-47, 14}, {-47, 14}, { 49, 14}, { 49, 14}, + {-45, 14}, {-45, 14}, {-44, 14}, {-44, 14}, { 47, 14}, { 47, 14}, { 51, 14}, { 51, 14}, + { 44, 14}, { 44, 14}, {-46, 14}, {-46, 14}, {-43, 13}, {-43, 13}, {-43, 13}, {-43, 13}, + {-42, 13}, {-42, 13}, {-42, 13}, {-42, 13}, {-41, 13}, {-41, 13}, {-41, 13}, {-41, 13}, + {-40, 13}, {-40, 13}, {-40, 13}, {-40, 13}, {-39, 13}, {-39, 13}, {-39, 13}, {-39, 13}, + {-38, 13}, {-38, 13}, {-38, 13}, {-38, 13}, {-37, 13}, {-37, 13}, {-37, 13}, {-37, 13}, + {-36, 13}, {-36, 13}, {-36, 13}, {-36, 13}, { 42, 13}, { 42, 13}, { 42, 13}, { 42, 13}, + { 36, 13}, { 36, 13}, { 36, 13}, { 36, 13}, { 43, 13}, { 43, 13}, { 43, 13}, { 43, 13}, + { 41, 13}, { 41, 13}, { 41, 13}, { 41, 13}, { 40, 13}, { 40, 13}, { 40, 13}, { 40, 13}, + { 35, 13}, { 35, 13}, { 35, 13}, { 35, 13}, { 39, 13}, { 39, 13}, { 39, 13}, { 39, 13}, + { 38, 13}, { 38, 13}, { 38, 13}, { 38, 13}, { 37, 13}, { 37, 13}, { 37, 13}, { 37, 13} +}; + +/* inter mean value, codes 000000000000100101 ... 0000000000101101xx */ +static vlc_code_t inter_mean_table_3[147] = { + {111, 18}, {102, 18}, { 99, 18}, + {-86, 18}, { 97, 18}, {-97, 18}, { 96, 18}, {-95, 18}, {-76, 18}, {-77, 18}, {-78, 18}, + {-85, 18}, {-80, 18}, {-81, 18}, { 89, 18}, { 90, 18}, {-84, 18}, {-89, 18}, { 80, 18}, + {-90, 18}, {-88, 18}, { 92, 18}, { 93, 18}, { 95, 18}, {-109,18}, {-79, 17}, {-79, 17}, + {-83, 17}, {-83, 17}, {-75, 17}, {-75, 17}, {-74, 17}, {-74, 17}, {-73, 17}, {-73, 17}, + {-72, 17}, {-72, 17}, { 87, 17}, { 87, 17}, { 86, 17}, { 86, 17}, { 75, 17}, { 75, 17}, + { 85, 17}, { 85, 17}, { 84, 17}, { 84, 17}, { 81, 17}, { 81, 17}, { 79, 17}, { 79, 17}, + { 74, 17}, { 74, 17}, { 72, 17}, { 72, 17}, { 82, 17}, { 82, 17}, { 78, 17}, { 78, 17}, + { 83, 17}, { 83, 17}, { 76, 17}, { 76, 17}, { 73, 17}, { 73, 17}, { 77, 17}, { 77, 17}, + { 70, 16}, { 70, 16}, { 70, 16}, { 70, 16}, { 69, 16}, { 69, 16}, { 69, 16}, { 69, 16}, + { 64, 16}, { 64, 16}, { 64, 16}, { 64, 16}, {-68, 16}, {-68, 16}, {-68, 16}, {-68, 16}, + {-66, 16}, {-66, 16}, {-66, 16}, {-66, 16}, { 68, 16}, { 68, 16}, { 68, 16}, { 68, 16}, + {-69, 16}, {-69, 16}, {-69, 16}, {-69, 16}, { 65, 16}, { 65, 16}, { 65, 16}, { 65, 16}, + { 71, 16}, { 71, 16}, { 71, 16}, { 71, 16}, {-70, 16}, {-70, 16}, {-70, 16}, {-70, 16}, + {-65, 16}, {-65, 16}, {-65, 16}, {-65, 16}, {-67, 16}, {-67, 16}, {-67, 16}, {-67, 16}, + {-63, 16}, {-63, 16}, {-63, 16}, {-63, 16}, {-71, 16}, {-71, 16}, {-71, 16}, {-71, 16}, + { 67, 16}, { 67, 16}, { 67, 16}, { 67, 16}, {-61, 16}, {-61, 16}, {-61, 16}, {-61, 16}, + {-64, 16}, {-64, 16}, {-64, 16}, {-64, 16}, { 63, 16}, { 63, 16}, { 63, 16}, { 63, 16}, + { 62, 16}, { 62, 16}, { 62, 16}, { 62, 16}, { 66, 16}, { 66, 16}, { 66, 16}, { 66, 16} +}; + +/* inter mean value, codes 00000000000001001001 ... 0000000000001001001x */ +static vlc_code_t inter_mean_table_4[75] = { + {142, 20}, {135, 20}, {125, 20}, {123, 20}, {122, 20}, {119, 20}, {117, 20}, + {113, 20}, {104, 20}, {103, 20}, {-120,20}, {-114,20}, {-108,20}, {-104,20}, {-102,20}, + {-101,20}, {-93, 20}, {-91, 19}, {-91, 19}, {-96, 19}, {-96, 19}, { 88, 19}, { 88, 19}, + { 91, 19}, { 91, 19}, { 94, 19}, { 94, 19}, {121, 19}, {121, 19}, {120, 19}, {120, 19}, + {-110,19}, {-110,19}, {118, 19}, {118, 19}, {115, 19}, {115, 19}, {114, 19}, {114, 19}, + {112, 19}, {112, 19}, {107, 19}, {107, 19}, {110, 19}, {110, 19}, {109, 19}, {109, 19}, + {108, 19}, {108, 19}, {-103,19}, {-103,19}, {106, 19}, {106, 19}, {105, 19}, {105, 19}, + {-100,19}, {-100,19}, {101, 19}, {101, 19}, {100, 19}, {100, 19}, {-99, 19}, {-99, 19}, + {-82, 19}, {-82, 19}, {-87, 19}, {-87, 19}, {-94, 19}, {-94, 19}, {-98, 19}, {-98, 19}, + { 98, 19}, { 98, 19}, {-92, 19}, {-92, 19} +}; + +/* inter mean value, codes 0000000000000000000000 ... 000000000000010010001x */ +static vlc_code_t inter_mean_table_5[292] = { + {255, 22}, {254, 22}, {253, 22}, {252, 22}, {251, 22}, {250, 22}, {249, 22}, {248, 22}, + {247, 22}, {246, 22}, {245, 22}, {244, 22}, {243, 22}, {242, 22}, {241, 22}, {240, 22}, + {239, 22}, {238, 22}, {237, 22}, {236, 22}, {235, 22}, {234, 22}, {233, 22}, {232, 22}, + {231, 22}, {230, 22}, {229, 22}, {228, 22}, {227, 22}, {226, 22}, {225, 22}, {224, 22}, + {223, 22}, {222, 22}, {221, 22}, {220, 22}, {219, 22}, {218, 22}, {217, 22}, {216, 22}, + {215, 22}, {214, 22}, {213, 22}, {212, 22}, {211, 22}, {210, 22}, {209, 22}, {208, 22}, + {207, 22}, {206, 22}, {205, 22}, {204, 22}, {203, 22}, {202, 22}, {201, 22}, {200, 22}, + {199, 22}, {198, 22}, {197, 22}, {196, 22}, {195, 22}, {194, 22}, {193, 22}, {192, 22}, + {191, 22}, {190, 22}, {189, 22}, {188, 22}, {187, 22}, {186, 22}, {185, 22}, {184, 22}, + {183, 22}, {182, 22}, {181, 22}, {180, 22}, {179, 22}, {178, 22}, {177, 22}, {176, 22}, + {175, 22}, {174, 22}, {173, 22}, {172, 22}, {171, 22}, {170, 22}, {169, 22}, {168, 22}, + {167, 22}, {166, 22}, {-256,22}, {164, 22}, {-211,22}, {162, 22}, {161, 22}, {160, 22}, + {-210,22}, {-168,22}, {157, 22}, {156, 22}, {155, 22}, {154, 22}, {153, 22}, {152, 22}, + {151, 22}, {150, 22}, {149, 22}, {148, 22}, {147, 22}, {146, 22}, {145, 22}, {144, 22}, + {143, 22}, {-208,22}, {141, 22}, {140, 22}, {139, 22}, {-200,22}, {137, 22}, {136, 22}, + {-198,22}, {134, 22}, {133, 22}, {-196,22}, {-201,22}, {130, 22}, {129, 22}, {128, 22}, + {127, 22}, {126, 22}, {-195,22}, {124, 22}, {-167,22}, {-166,22}, {-165,22}, {-164,22}, + {-163,22}, {-162,22}, {-161,22}, {-180,22}, {-160,22}, {-159,22}, {-158,22}, {-157,22}, + {-156,22}, {-155,22}, {-154,22}, {-153,22}, {-152,22}, {-151,22}, {-150,22}, {-149,22}, + {-148,22}, {-147,22}, {-146,22}, {-145,22}, {-144,22}, {-143,22}, {-142,22}, {-141,22}, + {-140,22}, {-139,22}, {-138,22}, {-137,22}, {-136,22}, {-135,22}, {-134,22}, {-133,22}, + {-132,22}, {-131,22}, {-130,22}, {-129,22}, {-126,22}, {-125,22}, {-124,22}, {-123,22}, + {-122,22}, {-121,22}, {-118,22}, {-116,22}, {-115,22}, {-113,22}, {-112,22}, {-107,22}, + {-106,22}, {-169,22}, {-170,22}, {-171,22}, {-172,22}, {-173,22}, {-174,22}, {-175,22}, + {-176,22}, {-177,22}, {-178,22}, {-187,22}, {-179,22}, {-181,22}, {-182,22}, {-183,22}, + {-184,22}, {-185,22}, {-186,22}, {-235,22}, {-188,22}, {-189,22}, {-190,22}, {-191,22}, + {-192,22}, {-193,22}, {-194,22}, {-197,22}, {-255,22}, {-254,22}, {-253,22}, {-252,22}, + {-251,22}, {-250,22}, {-249,22}, {-248,22}, {-247,22}, {-246,22}, {-245,22}, {-244,22}, + {-243,22}, {-242,22}, {-241,22}, {-240,22}, {-239,22}, {-238,22}, {-237,22}, {-232,22}, + {-236,22}, {-234,22}, {-233,22}, {-217,22}, {-231,22}, {-230,22}, {-229,22}, {-228,22}, + {-227,22}, {-226,22}, {-225,22}, {-224,22}, {-223,22}, {-222,22}, {-221,22}, {-220,22}, + {-219,22}, {-216,22}, {-202,22}, {-205,22}, {-215,22}, {-214,22}, {-213,22}, {-204,22}, + {-212,22}, {-209,22}, {-218,22}, {-199,22}, {-207,22}, {-206,22}, {165, 21}, {165, 21}, + {131, 21}, {131, 21}, {163, 21}, {163, 21}, {-203,21}, {-203,21}, {116, 21}, {116, 21}, + {159, 21}, {159, 21}, {138, 21}, {138, 21}, {158, 21}, {158, 21}, {-105,21}, {-105,21}, + {-111,21}, {-111,21}, {132, 21}, {132, 21}, {128, 21}, {128, 21}, {-127,21}, {-127,21}, + {-119,21}, {-119,21}, {-117,21}, {-117,21} +}; + + + +static int decode_svq1_block (bit_buffer_t *bitbuf, uint8_t *pixels, int pitch, int intra) { + uint32_t bit_cache; + vlc_code_t *vlc; + uint8_t *list[63]; + uint32_t *dst; + uint32_t *codebook; + int entries[6]; + int i, j, m, n; + int mean, stages; + int x, y, width, height, level; + uint32_t n1, n2, n3, n4; + + /* initialize list for breadth first processing of vectors */ + list[0] = pixels; + + /* recursively process vector */ + for (i=0, m=1, n=1, level=5; i < n; i++) { + for (; level > 0; i++) { + + /* process next depth */ + if (i == m) { + m = n; + + if (--level == 0) + break; + } + + /* divide block if next bit set */ + if (get_bits (bitbuf, 1) == 0) + break; + + /* add child nodes */ + list[n++] = list[i]; + list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level / 2) + 1)); + } + + /* destination address and vector size */ + dst = (uint32_t *) list[i]; + width = 1 << ((4 + level) /2); + height = 1 << ((3 + level) /2); + + /* get number of stages (-1 skips vector, 0 for mean only) */ + bit_cache = get_bit_cache (bitbuf); + + if (intra) + vlc = &intra_vector_tables[level][bit_cache >> (32 - 7)]; + else + vlc = &inter_vector_tables[level][bit_cache >> (32 - 6)]; + + /* flush bits */ + stages = vlc->value; + skip_bits(bitbuf,vlc->length); + + if (stages == -1) { + if (intra) { + for (y=0; y < height; y++) { + memset (&dst[y*(pitch / 4)], 0, width); + } + } + continue; /* skip vector */ + } + + if ((stages > 0) && (level >= 4)) { +#ifdef DEBUG_SVQ1 + printf("Error (decode_svq1_block): invalid vector: stages=%i level=%i\n",stages,level); +#endif + return -1; /* invalid vector */ + } + + /* get mean value for vector */ + bit_cache = get_bit_cache (bitbuf); + + if (intra) { + if (bit_cache >= 0x25000000) + vlc = &intra_mean_table_0[(bit_cache >> (32 - 8)) - 37]; + else if (bit_cache >= 0x03400000) + vlc = &intra_mean_table_1[(bit_cache >> (32 - 10)) - 13]; + else if (bit_cache >= 0x00040000) + vlc = &intra_mean_table_2[(bit_cache >> (32 - 14)) - 1]; + else + vlc = &intra_mean_table_3[bit_cache >> (32 - 20)]; + } else { + if (bit_cache >= 0x0B000000) + vlc = &inter_mean_table_0[(bit_cache >> (32 - 8)) - 11]; + else if (bit_cache >= 0x01200000) + vlc = &inter_mean_table_1[(bit_cache >> (32 - 12)) - 18]; + else if (bit_cache >= 0x002E0000) + vlc = &inter_mean_table_2[(bit_cache >> (32 - 15)) - 23]; + else if (bit_cache >= 0x00094000) + vlc = &inter_mean_table_3[(bit_cache >> (32 - 18)) - 37]; + else if (bit_cache >= 0x00049000) + vlc = &inter_mean_table_4[(bit_cache >> (32 - 20)) - 73]; + else + vlc = &inter_mean_table_5[bit_cache >> (32 - 22)]; + } + + /* flush bits */ + mean = vlc->value; + skip_bits(bitbuf,vlc->length); + + if (intra && stages == 0) { + for (y=0; y < height; y++) { + memset (&dst[y*(pitch / 4)], mean, width); + } + } else { + codebook = (uint32_t *) (intra ? intra_codebooks[level] : inter_codebooks[level]); + bit_cache = get_bits (bitbuf, 4*stages); + + /* calculate codebook entries for this vector */ + for (j=0; j < stages; j++) { + entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1); + } + + mean -= (stages * 128); + n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF); + + for (y=0; y < height; y++) { + for (x=0; x < (width / 4); x++, codebook++) { + if (intra) { + n1 = n4; + n2 = n4; + } else { + n3 = dst[x]; + + /* add mean value to vector */ + n1 = ((n3 & 0xFF00FF00) >> 8) + n4; + n2 = (n3 & 0x00FF00FF) + n4; + } + + /* add codebook entries to vector */ + for (j=0; j < stages; j++) { + n3 = codebook[entries[j]] ^ 0x80808080; + n1 += ((n3 & 0xFF00FF00) >> 8); + n2 += (n3 & 0x00FF00FF); + } + + /* clip to [0..255] */ + if (n1 & 0xFF00FF00) { + n3 = ((( n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n1 += 0x7F007F00; + n1 |= (((~n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n1 &= (n3 & 0x00FF00FF); + } + + if (n2 & 0xFF00FF00) { + n3 = ((( n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n2 += 0x7F007F00; + n2 |= (((~n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n2 &= (n3 & 0x00FF00FF); + } + + /* store result */ + dst[x] = (n1 << 8) | n2; + } + + dst += (pitch / 4); + } + } + } + + return 0; +} + +static int decode_motion_vector (bit_buffer_t *bitbuf, svq1_pmv_t *mv, svq1_pmv_t **pmv) { + uint32_t bit_cache; + vlc_code_t *vlc; + int diff, sign; + int i; + + for (i=0; i < 2; i++) { + + /* get motion code */ + bit_cache = get_bit_cache (bitbuf); + + if (!(bit_cache & 0xFFE00000)) + return -1; /* invalid vlc code */ + + if (bit_cache & 0x80000000) { + diff = 0; + + /* flush bit */ + skip_bits(bitbuf,1); + + } else { + if (bit_cache >= 0x06000000) { + vlc = &motion_table_0[(bit_cache >> (32 - 7)) - 3]; + } else { + vlc = &motion_table_1[(bit_cache >> (32 - 12)) - 2]; + } + + /* decode motion vector differential */ + sign = (int) (bit_cache << (vlc->length - 1)) >> 31; + diff = (vlc->value ^ sign) - sign; + + /* flush bits */ + skip_bits(bitbuf,vlc->length); + } + + /* add median of motion vector predictors and clip result */ + if (i == 1) + mv->y = ((diff + MEDIAN(pmv[0]->y, pmv[1]->y, pmv[2]->y)) << 26) >> 26; + else + mv->x = ((diff + MEDIAN(pmv[0]->x, pmv[1]->x, pmv[2]->x)) << 26) >> 26; + } + + return 0; +} + +static void skip_block (uint8_t *current, uint8_t *previous, int pitch, int x, int y) { + uint8_t *src; + uint8_t *dst; + int i; + + src = &previous[x + y*pitch]; + dst = current; + + for (i=0; i < 16; i++) { + memcpy (dst, src, 16); + src += pitch; + dst += pitch; + } +} + +static int motion_inter_block (bit_buffer_t *bitbuf, + uint8_t *current, uint8_t *previous, int pitch, + svq1_pmv_t *motion, int x, int y) { + uint8_t *src; + uint8_t *dst; + svq1_pmv_t mv; + svq1_pmv_t *pmv[3]; + int result; + + /* predict and decode motion vector */ + pmv[0] = &motion[0]; + pmv[1] = &motion[(x / 8) + 2]; + pmv[2] = &motion[(x / 8) + 4]; + + if (y == 0) { + pmv[1] = pmv[0]; + pmv[2] = pmv[0]; + } + + result = decode_motion_vector (bitbuf, &mv, pmv); + + if (result != 0) + return result; + + motion[0].x = mv.x; + motion[0].y = mv.y; + motion[(x / 8) + 2].x = mv.x; + motion[(x / 8) + 2].y = mv.y; + motion[(x / 8) + 3].x = mv.x; + motion[(x / 8) + 3].y = mv.y; + + src = &previous[(x + (mv.x >> 1)) + (y + (mv.y >> 1))*pitch]; + dst = current; + + put_pixels_tab[((mv.y & 1) << 1) | (mv.x & 1)](dst,src,pitch,16); + put_pixels_tab[((mv.y & 1) << 1) | (mv.x & 1)](dst+8,src+8,pitch,16); + + return 0; +} + +static int motion_inter_4v_block (bit_buffer_t *bitbuf, + uint8_t *current, uint8_t *previous, int pitch, + svq1_pmv_t *motion,int x, int y) { + uint8_t *src; + uint8_t *dst; + svq1_pmv_t mv; + svq1_pmv_t *pmv[4]; + int i, result; + + /* predict and decode motion vector (0) */ + pmv[0] = &motion[0]; + pmv[1] = &motion[(x / 8) + 2]; + pmv[2] = &motion[(x / 8) + 4]; + + if (y == 0) { + pmv[1] = pmv[0]; + pmv[2] = pmv[0]; + } + + result = decode_motion_vector (bitbuf, &mv, pmv); + + if (result != 0) + return result; + + /* predict and decode motion vector (1) */ + pmv[0] = &mv; + pmv[1] = &motion[(x / 8) + 3]; + + if (y == 0) { + pmv[1] = pmv[0]; + pmv[2] = pmv[0]; + } + + result = decode_motion_vector (bitbuf, &motion[0], pmv); + + if (result != 0) + return result; + + /* predict and decode motion vector (2) */ + pmv[1] = &motion[0]; + pmv[2] = &motion[(x / 8) + 1]; + + result = decode_motion_vector (bitbuf, &motion[(x / 8) + 2], pmv); + + if (result != 0) + return result; + + /* predict and decode motion vector (3) */ + pmv[2] = &motion[(x / 8) + 2]; + pmv[3] = &motion[(x / 8) + 3]; + + result = decode_motion_vector (bitbuf, pmv[3], pmv); + + if (result != 0) + return result; + + /* form predictions */ + for (i=0; i < 4; i++) { + src = &previous[(x + (pmv[i]->x >> 1)) + (y + (pmv[i]->y >> 1))*pitch]; + dst = current; + + put_pixels_tab[((pmv[i]->y & 1) << 1) | (pmv[i]->x & 1)](dst,src,pitch,8); + + /* select next block */ + if (i & 1) { + current += 8*(pitch - 1); + previous += 8*(pitch - 1); + } else { + current += 8; + previous += 8; + } + } + + return 0; +} + +static int decode_delta_block (bit_buffer_t *bitbuf, + uint8_t *current, uint8_t *previous, int pitch, + svq1_pmv_t *motion, int x, int y) { + uint32_t bit_cache; + uint32_t block_type; + int result = 0; + + /* get block type */ + bit_cache = get_bit_cache (bitbuf); + + bit_cache >>= (32 - 3); + block_type = block_type_table[bit_cache].value; + skip_bits(bitbuf,block_type_table[bit_cache].length); + + /* reset motion vectors */ + if (block_type == SVQ1_BLOCK_SKIP || block_type == SVQ1_BLOCK_INTRA) { + motion[0].x = 0; + motion[0].y = 0; + motion[(x / 8) + 2].x = 0; + motion[(x / 8) + 2].y = 0; + motion[(x / 8) + 3].x = 0; + motion[(x / 8) + 3].y = 0; + } + + switch (block_type) { + case SVQ1_BLOCK_SKIP: + skip_block (current, previous, pitch, x, y); + break; + + case SVQ1_BLOCK_INTER: + result = motion_inter_block (bitbuf, current, previous, pitch, motion, x, y); + + if (result != 0) + { +#ifdef DEBUG_SVQ1 + printf("Error in motion_inter_block %i\n",result); +#endif + break; + } + result = decode_svq1_block (bitbuf, current, pitch, 0); + break; + + case SVQ1_BLOCK_INTER_4V: + result = motion_inter_4v_block (bitbuf, current, previous, pitch, motion, x, y); + + if (result != 0) + { +#ifdef DEBUG_SVQ1 + printf("Error in motion_inter_4v_block %i\n",result); +#endif + break; + } + result = decode_svq1_block (bitbuf, current, pitch, 0); + break; + + case SVQ1_BLOCK_INTRA: + result = decode_svq1_block (bitbuf, current, pitch, 1); + break; + } + + return result; +} + +/* standard video sizes */ +static struct { int width; int height; } frame_size_table[8] = { + { 160, 120 }, { 128, 96 }, { 176, 144 }, { 352, 288 }, + { 704, 576 }, { 240, 180 }, { 320, 240 }, { -1, -1 } +}; + +static int decode_frame_header (bit_buffer_t *bitbuf,MpegEncContext *s) { + int frame_size_code; + + /* unknown field */ + get_bits (bitbuf, 8); + + /* frame type */ + s->pict_type = get_bits (bitbuf, 2); + + if (s->pict_type == 3) + return -1; + + if (s->pict_type == SVQ1_FRAME_INTRA) { + + /* unknown fields */ + if (s->f_code == 0x50 || s->f_code == 0x60) { + get_bits (bitbuf, 16); + } + + if ((s->f_code ^ 0x10) >= 0x50) { + skip_bits(bitbuf,8*get_bits (bitbuf, 8)); + } + + get_bits (bitbuf, 2); + get_bits (bitbuf, 2); + get_bits (bitbuf, 1); + + /* load frame size */ + frame_size_code = get_bits (bitbuf, 3); + + if (frame_size_code == 7) { + /* load width, height (12 bits each) */ + s->width = get_bits (bitbuf, 12); + s->height = get_bits (bitbuf, 12); + + if (!s->width || !s->height) + return -1; + } else { + /* get width, height from table */ + s->width = frame_size_table[frame_size_code].width; + s->height = frame_size_table[frame_size_code].height; + } + } + + /* unknown fields */ + if (get_bits (bitbuf, 1) == 1) { + get_bits (bitbuf, 1); + get_bits (bitbuf, 1); + + if (get_bits (bitbuf, 2) != 0) + return -1; + } + + if (get_bits (bitbuf, 1) == 1) { + get_bits (bitbuf, 1); + get_bits (bitbuf, 4); + get_bits (bitbuf, 1); + get_bits (bitbuf, 2); + + while (get_bits (bitbuf, 1) == 1) { + get_bits (bitbuf, 8); + } + } + + return 0; +} + +static int svq1_decode_frame(AVCodecContext *avctx, + void *data, int *data_size, + UINT8 *buf, int buf_size) +{ + MpegEncContext *s=avctx->priv_data; + uint8_t *current, *previous; + int result, i, x, y, width, height; + AVPicture *pict = data; + +// memcpy(temp_buf,buffer,buffer_len); buffer=temp_buf; + + /* initialize bit buffer */ + init_get_bits(&s->gb,buf,buf_size); + + /* decode frame header */ + s->f_code = get_bits (&s->gb, 22); + + if ((s->f_code & ~0x70) || !(s->f_code & 0x60)) + return -1; + + /* swap some header bytes (why?) */ + if (s->f_code != 0x20) { + uint32_t *src = (uint32_t *) (buf + 4); + + for (i=0; i < 4; i++) { + src[i] = ((src[i] << 16) | (src[i] >> 16)) ^ src[7 - i]; + } + } + + result = decode_frame_header (&s->gb, s); + + if (result != 0) + { +#ifdef DEBUG_SVQ1 + printf("Error in decode_frame_header %i\n",result); +#endif + return result; + } + + /* decode y, u and v components */ + for (i=0; i < 3; i++) { + if (i == 0) { + width = s->width; + height = s->height; + } else { + width = s->width/4; + height = s->height/4; + } + + current = s->current_picture[i]; + previous = s->last_picture[i]; + + if (s->pict_type == SVQ1_FRAME_INTRA) { + /* keyframe */ + for (y=0; y < height; y+=16) { + for (x=0; x < width; x+=16) { + result = decode_svq1_block (&s->gb, ¤t[x], width, 1); + if (result != 0) + { +#ifdef DEBUG_SVQ1 + printf("Error in decode_svq1_block %i (keyframe)\n",result); +#endif + return result; + } + } + current += 16*width; + } + } else { + /* delta frame */ + memset (s->opaque, 0, ((width / 8) + 3) * sizeof(svq1_pmv_t)); + + for (y=0; y < height; y+=16) { + for (x=0; x < width; x+=16) { + result = decode_delta_block (&s->gb, ¤t[x], previous, + width, s->opaque, x, y); + if (result != 0) + { +#ifdef DEBUG_SVQ1 + printf("Error in decode_delta_block %i\n",result); +#endif + return result; + } + } + + ((svq1_pmv_t *)s->opaque)[0].x = 0; + ((svq1_pmv_t *)s->opaque)[0].y = 0; + + current += 16*width; + } + } + } + + /* update backward reference frame */ + if (!s->hurry_up) + { + pict->data[0] = s->current_picture[0]; + pict->data[1] = s->current_picture[1]; + pict->data[2] = s->current_picture[2]; + pict->linesize[0] = s->width; + pict->linesize[1] = s->width / 4; + pict->linesize[2] = s->width / 4; + for(i=0;i<3;i++) + { + uint8_t *tmp = s->last_picture[i]; + s->last_picture[i] = s->current_picture[i]; + s->current_picture[i] = tmp; + } + *data_size=1; + } + return 0; +} + +static int svq1_decode_init(AVCodecContext *avctx) +{ + MpegEncContext *s = avctx->priv_data; + unsigned i; + s->avctx = avctx; + s->width = (avctx->width+3)&~3; + s->height = (avctx->height+3)&~3; + s->codec_id= avctx->codec->id; + avctx->mbskip_table= s->mbskip_table; + s->opaque = (svq1_pmv_t *) malloc (((s->width / 8) + 3) * sizeof(svq1_pmv_t)); + if (MPV_common_init(s) < 0) return -1; + for(i=0;i<3;i++) + s->current_picture[i] = s->next_picture[i]; + avctx->pix_fmt = PIX_FMT_YUV410P; + return 0; +} + +static int svq1_decode_end(AVCodecContext *avctx) +{ + MpegEncContext *s = avctx->priv_data; + + MPV_common_end(s); + free(s->opaque); + return 0; +} + +AVCodec svq1_decoder = { + "svq1", + CODEC_TYPE_VIDEO, + CODEC_ID_SVQ1, + sizeof(MpegEncContext), + svq1_decode_init, + NULL, + svq1_decode_end, + svq1_decode_frame +}; |