From 7bf7833fb739fd436ca7fc98b30d6103f09931b1 Mon Sep 17 00:00:00 2001 From: Tobias Bindhammer Date: Mon, 23 Aug 2010 11:46:32 +0000 Subject: Initial version of the a64 (multicolor charset) codec Originally committed as revision 24873 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/a64tables.h | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 libavcodec/a64tables.h (limited to 'libavcodec/a64tables.h') diff --git a/libavcodec/a64tables.h b/libavcodec/a64tables.h new file mode 100644 index 0000000000..31d8c2e2a0 --- /dev/null +++ b/libavcodec/a64tables.h @@ -0,0 +1,92 @@ +/* + * a64 video encoder - tables used by a64 encoders + * Copyright (c) 2009 Tobias Bindhammer + * + * 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 + * a64 video encoder - tables used by a64 encoders + */ + +#ifndef AVCODEC_A64TABLES_H +#define AVCODEC_A64TABLES_H + +#include + +/** + * dither patterns used vor rendering the multicolor charset + */ +static const uint8_t prep_dither_patterns[9][4][4] = { + { + {0, 0, 0, 0}, + {0, 0, 0, 0}, + {0, 0, 0, 0}, + {0, 0, 0, 0} + }, + { + {1, 0, 0, 0}, + {0, 0, 0, 0}, + {0, 0, 1, 0}, + {0, 0, 0, 0} + }, + { + {1, 0, 0, 0}, + {0, 0, 1, 0}, + {0, 1, 0, 0}, + {0, 0, 0, 1} + }, + { + {1, 0, 0, 0}, + {0, 1, 0, 1}, + {0, 0, 1, 0}, + {0, 1, 0, 1} + }, + { + {1, 0, 1, 0}, + {0, 1, 0, 1}, + {1, 0, 1, 0}, + {0, 1, 0, 1} + }, + { + {1, 1, 1, 0}, + {0, 1, 0, 1}, + {1, 0, 1, 1}, + {0, 1, 0, 1} + }, + { + {0, 1, 1, 1}, + {1, 1, 0, 1}, + {1, 0, 1, 1}, + {1, 1, 1, 0} + }, + { + {0, 1, 1, 1}, + {1, 1, 1, 1}, + {1, 1, 0, 1}, + {1, 1, 1, 1} + }, + { + {1, 1, 1, 1}, + {1, 1, 1, 1}, + {1, 1, 1, 1}, + {1, 1, 1, 1} + }, +}; + +#endif /* AVCODEC_A64TABLES_H */ -- cgit v1.2.3