From 8992cb1d0d07edc33d274f6d7924ecdf6f83d994 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Thu, 5 Sep 2013 17:57:22 +0100 Subject: making act segmenter --- ffmpeg/libavcodec/vp56data.c | 68 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 ffmpeg/libavcodec/vp56data.c (limited to 'ffmpeg/libavcodec/vp56data.c') diff --git a/ffmpeg/libavcodec/vp56data.c b/ffmpeg/libavcodec/vp56data.c new file mode 100644 index 0000000..5500fe0 --- /dev/null +++ b/ffmpeg/libavcodec/vp56data.c @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2006 Aurelien Jacobs + * + * 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 + * VP5 and VP6 compatible video decoder (common data) + */ + +#include "vp56data.h" + +const uint8_t ff_vp56_b2p[] = { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3 }; +const uint8_t ff_vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 }; + +const uint8_t ff_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 ff_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 VP56Tree ff_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 VP56Tree ff_vp56_pc_tree[] = { + { 4, 6}, + { 2, 7}, {-0}, {-1}, + { 4, 8}, + { 2, 9}, {-2}, {-3}, + { 2,10}, {-4}, {-5}, +}; + +const uint8_t ff_vp56_coeff_bias[] = { 0, 1, 2, 3, 4, 5, 7, 11, 19, 35, 67 }; +const uint8_t ff_vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 }; -- cgit v1.2.3