From 5ce117c37c9b1ff5ed121f372e972e9eb3d83d23 Mon Sep 17 00:00:00 2001 From: Aurelien Jacobs Date: Sat, 9 Sep 2006 17:19:37 +0000 Subject: VP5 and VP6 video decoder Originally committed as revision 6213 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/vp56data.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 libavcodec/vp56data.c (limited to 'libavcodec/vp56data.c') diff --git a/libavcodec/vp56data.c b/libavcodec/vp56data.c new file mode 100644 index 0000000000..7e73cea262 --- /dev/null +++ b/libavcodec/vp56data.c @@ -0,0 +1,65 @@ +/** + * @file vp56data.c + * VP5 and VP6 compatible video decoder (common data) + * + * Copyright (C) 2006 Aurelien Jacobs + * + * This library 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. + * + * This library 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 + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "vp56data.h" + +const uint8_t vp56_b6to3[] = { 0, 0, 0, 0, 1, 2 }; +const uint8_t vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 }; + +const uint8_t vp56_coeff_parse_table[6][11] = { + { 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + { 145, 165, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + { 140, 148, 173, 0, 0, 0, 0, 0, 0, 0, 0 }, + { 135, 140, 155, 176, 0, 0, 0, 0, 0, 0, 0 }, + { 130, 134, 141, 157, 180, 0, 0, 0, 0, 0, 0 }, + { 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254 }, +}; + +const uint8_t vp56_def_mb_types_stats[3][10][2] = { + { { 69, 42 }, { 1, 2 }, { 1, 7 }, { 44, 42 }, { 6, 22 }, + { 1, 3 }, { 0, 2 }, { 1, 5 }, { 0, 1 }, { 0, 0 }, }, + { { 229, 8 }, { 1, 1 }, { 0, 8 }, { 0, 0 }, { 0, 0 }, + { 1, 2 }, { 0, 1 }, { 0, 0 }, { 1, 1 }, { 0, 0 }, }, + { { 122, 35 }, { 1, 1 }, { 1, 6 }, { 46, 34 }, { 0, 0 }, + { 1, 2 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, +}; + +const vp56_tree_t vp56_pva_tree[] = { + { 8, 0}, + { 4, 1}, + { 2, 2}, {-0}, {-1}, + { 2, 3}, {-2}, {-3}, + { 4, 4}, + { 2, 5}, {-4}, {-5}, + { 2, 6}, {-6}, {-7}, +}; + +const vp56_tree_t vp56_pc_tree[] = { + { 4, 6}, + { 2, 7}, {-0}, {-1}, + { 4, 8}, + { 2, 9}, {-2}, {-3}, + { 2,10}, {-4}, {-5}, +}; + +const uint8_t vp56_coeff_bias[] = { 5, 7, 11, 19, 35, 67 }; +const uint8_t vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 }; -- cgit v1.2.3