FFmpeg4/libavcodec/svq1enc_cb.h

87 lines
4.4 KiB
C
Raw Permalink Normal View History

2023-07-02 12:20:28 +00:00
/*
* SVQ1 Encoder
* Copyright (C) 2004 Mike Melanson <melanson@pcisys.net>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* svq1 code books.
*/
#ifndef AVCODEC_SVQ1ENC_CB_H
#define AVCODEC_SVQ1ENC_CB_H
#include <stdint.h>
static const int8_t svq1_inter_codebook_sum[4][16*6] = {
{ -1, 1, -2, 0, 1, -1, -1, -1, -2, -1, 1, -1, -1, 0, -1, -1,
0, -1, -1, -1, -1, 0, -1, 0, 0, 0, -3, 1, -1, 0, 1, -1,
1, -1, 2, 2, 1, 1, 2, 0, 0, 0, -1, 1, 1, 0, 0, 0,
1, -1, 0, 1, -1, 1, 1, 0, 1, 0, -1, 1, 1, 0, 0, 0,
-2, 0, 0, -2, 0, 0, -2, 0, -2, -1, -2, -1, 0, 0, -1, 0,
1, 0, 1, -1, 2, 2, 1, 2, 2, 1, 0, 1, 1, 0, 1, 1, },
{ -2, 1, -1, -1, 1, 0, 1, -1, -1, -1, 1, -1, 0, -1, 0, -1,
0, 0, 0, -2, 0, 1, 0, -1, -1, 0, 2, -3, 1, -2, 3, -1,
2, 0, 2, 1, 1, -1, 1, 1, 0, 0, 1, 1, 2, -2, 1, 0,
-2, -1, 2, -2, -2, 0, -3, 0, -1, 0, -1, 0, -1, 0, -2, -3,
1, -2, -2, -1, 1, -1, -1, 1, -1, 1, 1, 0, -2, 0, 1, 1,
1, 1, 2, 1, 0, 0, -1, 0, 0, 1, 0, 1, -1, 1, 0, 2, },
{ 0, 0, 0, -3, 1, 1, 1, -3, 0, -1, 0, -3, 1, -3, 0, -2,
1, 2, -1, -3, 0, -3, 1, -1, 0, -1, 0, 0, 1, 2, 1, 1,
-1, 2, -3, 3, 1, 0, -5, 1, 0, -1, -3, 1, 0, 2, 0, -3,
4, 2, 0, -2, 1, -2, 3, -2, 1, 1, 0, -1, 2, 5, 3, 1,
-1, 0, 2, -3, -2, 0, 0, -2, 2, -3, -1, -1, 2, 1, 0, -2,
3, -1, 1, -1, 2, 4, 0, 1, 0, 1, 0, -1, -3, -2, -1, 0, },
{ 0, 2, -1, -1, 2, -4, -2, 3, 0, -1, -5, 1, 0, 1, 0, 6,
-2, 2, 0, 1, 1, -1, -1, -2, 1, -2, -1, 0, 2, -2, -2, -1,
-4, 2, -1, -3, -1, -2, 2, -1, 2, -1, 2, 0, 3, -3, -3, 0,
-3, 0, 0, -2, 4, -4, 0, -1, 4, 0, -2, -2, 3, -2, 0, 4,
5, 0, 1, 0, -3, 3, 3, 2, 0, 0, 1, 2, -5, -2, -3, 0,
-3, 2, -2, 2, -2, 4, 7, -3, 4, 2, 3, 2, -1, 0, -3, 1, }
};
static const int8_t svq1_intra_codebook_sum[4][16*6] = {
{ 0, 0, 0, -1, -1, -1, -1, -2, 0, -1, -1, 0, -1, 0, 1, 0,
1, 0, -1, 1, 0, 0, -1, 1, -1, 0, 0, 0, -1, 1, 0, 0,
-1, 0, 0, 1, -1, 1, 0, -1, -1, 0, 1, 1, 0, 0, -1, 1,
0, 1, 0, 0, 1, -1, 0, 0, 0, -1, 1, 0, 1, 0, -2, 1,
0, -1, 1, 0, 0, 0, 1, 0, -1, 0, 0, 0, -1, 0, 0, 0,
0, 1, 1, 0, 0, -1, 0, 1, 0, 0, 0, 0, -1, 1, 1, -1, },
{ -1, -2, 0, -1, 1, 0, -1, 0, -1, -4, -1, -2, -1, -2, 1, -2,
0, 0, 4, -2, -1, 1, 1, 0, 2, 1, 1, 0, 2, 0, 0, 0,
1, 1, 0, -1, -1, -1, 1, 0, -1, -3, -3, 1, -1, 1, -2, -1,
1, -1, 0, 1, 2, 1, -1, -1, 1, 1, 1, 2, 1, 0, 1, -2,
-2, 0, -1, -2, -2, 0, -1, -1, -1, 0, 1, 0, -1, -1, 0, -1,
0, 2, 1, 2, 2, 1, -1, 1, 0, 2, 0, -1, 1, 0, 0, 0, },
{ -2, 0, -1, -1, 1, 1, -2, 0, -2, 0, 1, -2, -2, 1, -1, -1,
3, -2, 0, -3, -4, -3, 2, 1, 0, 3, -2, 2, 3, 2, 2, -1,
-3, 1, 0, 1, 0, 0, 0, 1, -2, 1, -2, -2, -1, -2, -2, 2,
0, -4, 0, 2, -1, 0, 2, 2, 2, 1, 0, -1, -1, 1, -3, 2,
2, 1, 0, 3, 1, -1, 1, 3, 1, 0, 1, 1, 2, -1, 1, -1,
-2, -1, 0, -1, 1, -1, 1, -2, -2, -1, -1, -3, 1, -4, -3, 1, },
{ -2, 0, -2, 3, -1, -1, 0, 2, 2, -1, -3, 2, 1, 0, -2, -1,
-3, -2, -2, 1, 2, -3, 0, 1, -5, -2, -3, 0, -2, -1, 2, 0,
-1, -1, 0, -2, 1, 3, -7, -2, -2, -1, 2, -1, 0, 3, 1, 3,
1, 0, 0, 1, 2, 3, 1, 2, 0, -2, -2, 1, 1, 2, 2, 3,
4, 1, -1, 2, -2, 4, 0, 0, 0, 4, 2, 0, -2, -2, 2, -4,
-1, 5, -2, -2, -3, 2, -3, -1, 3, -3, 0, 4, 3, 0, 1, -2, }
};
#endif /* AVCODEC_SVQ1ENC_CB_H */