/*
+ * SVQ1 decoder
+ * ported to MPlayer by Arpi <arpi@thot.banki.hu>
+ * ported to libavcodec by Nick Kurshev <nickols_k@mail.ru>
*
* Copyright (C) 2002 the xine project
- * Copyright (C) 2002 the ffmpeg project
+ * Copyright (C) 2002 The FFmpeg project
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * Libav 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 this library; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Ported to mplayer by Arpi <arpi@thot.banki.hu>
- * Ported to libavcodec by Nick Kurshev <nickols_k@mail.ru>
- *
*/
/**
- * @file svq1_cb.h
+ * @file
* svq1 code books.
*/
+#ifndef AVCODEC_SVQ1_CB_H
+#define AVCODEC_SVQ1_CB_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "libavutil/mem.h"
+
/* 6x16-entry codebook for inter-coded 4x2 vectors */
-static const int8_t svq1_inter_codebook_4x2[768] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* 6x16-entry codebook for inter-coded 4x4 vectors */
-static const int8_t svq1_inter_codebook_4x4[1536] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* 6x16-entry codebook for inter-coded 8x4 vectors */
-static const int8_t svq1_inter_codebook_8x4[3072] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* 6x16-entry codebook for inter-coded 8x8 vectors */
-static const int8_t svq1_inter_codebook_8x8[6144] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* list of codebooks for inter-coded vectors */
-static const int8_t* const svq1_inter_codebooks[4] = {
+const int8_t* const ff_svq1_inter_codebooks[6] = {
svq1_inter_codebook_4x2, svq1_inter_codebook_4x4,
- svq1_inter_codebook_8x4, svq1_inter_codebook_8x8
-};
-
-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,
- }
+ svq1_inter_codebook_8x4, svq1_inter_codebook_8x8,
+ NULL, NULL,
};
/* 6x16-entry codebook for intra-coded 4x2 vectors */
-static const int8_t svq1_intra_codebook_4x2[768] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* 6x16-entry codebook for intra-coded 4x4 vectors */
-static const int8_t svq1_intra_codebook_4x4[1536] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* 6x16-entry codebook for intra-coded 8x4 vectors */
-static const int8_t svq1_intra_codebook_8x4[3072] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* 6x16-entry codebook for intra-coded 8x8 vectors */
-static const int8_t svq1_intra_codebook_8x8[6144] = {
+DECLARE_ALIGNED(4, static const int8_t, svq1_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,
};
/* list of codebooks for intra-coded vectors */
-static const int8_t* const svq1_intra_codebooks[4] = {
+const int8_t* const ff_svq1_intra_codebooks[6] = {
svq1_intra_codebook_4x2, svq1_intra_codebook_4x4,
- svq1_intra_codebook_8x4, svq1_intra_codebook_8x8
+ svq1_intra_codebook_8x4, svq1_intra_codebook_8x8,
+ NULL, NULL,
};
-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_SVQ1_CB_H */
projects / ffmpeg / blobdiff