/* * Helpers for generating hard-coded VLC tables * * Copyright (c) 2014 Reimar Döffinger <Reimar.Doeffinger@gmx.de> * * 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 */ #ifndef AVCODEC_TABLEPRINT_VLC_H #define AVCODEC_TABLEPRINT_VLC_H #define FFMPEG_CONFIG_H #define AVUTIL_LOG_H #define av_log(a, ...) while(0) #define ff_dlog(a, ...) while(0) #define AVUTIL_MEM_H #define av_malloc(s) NULL #define av_malloc_array(a, b) NULL #define av_realloc_f(p, o, n) NULL #define av_free(p) while(0) #define av_freep(p) while(0) #define AVUTIL_INTERNAL_H #define avpriv_request_sample(...) #include "tableprint.h" #include "vlc.h" #include "mathtables.c" #include "libavutil/reverse.c" #include "bitstream.c" #define REPLACE_DEFINE2(type) write_##type##_array #define REPLACE_DEFINE(type) REPLACE_DEFINE2(type) static void write_VLC_TYPE_array(const VLC_TYPE *p, int s) { REPLACE_DEFINE(VLC_TYPE)(p, s); } WRITE_2D_FUNC(VLC_TYPE) static void write_vlc_type(const VLC *vlc, VLC_TYPE (*base_table)[2], const char *base_table_name) { printf(" .bits = %i,\n", vlc->bits); // Unfortunately need to cast away const currently printf(" .table = (VLC_TYPE (*)[2])(%s + 0x%x),\n", base_table_name, (int)(vlc->table - base_table)); printf(" .table_size = 0x%x,\n", vlc->table_size); printf(" .table_allocated = 0x%x,\n", vlc->table_allocated); } #define WRITE_VLC_TYPE(prefix, name, base_table) \ do { \ printf(prefix" VLC "#name" = {\n"); \ write_vlc_type(&name, base_table, #base_table); \ printf("};\n"); \ } while(0) #define WRITE_VLC_ARRAY(prefix, name, base_table) \ do { \ int i; \ const size_t array_size = FF_ARRAY_ELEMS(name); \ printf(prefix" VLC "#name"[%"FMT"] = {{\n", \ array_size); \ for (i = 0; i < array_size; i++) { \ write_vlc_type(name + i, \ base_table, #base_table); \ if (i != array_size - 1) printf("}, {\n"); \ } \ printf("}};\n"); \ } while(0) #endif /* AVCODEC_TABLEPRINT_VLC_H */