diff options
Diffstat (limited to 'libavcodec/tableprint_vlc.h')
-rw-r--r-- | libavcodec/tableprint_vlc.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libavcodec/tableprint_vlc.h b/libavcodec/tableprint_vlc.h new file mode 100644 index 0000000000..675251a836 --- /dev/null +++ b/libavcodec/tableprint_vlc.h @@ -0,0 +1,82 @@ +/* + * 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 AVCODEC_AVCODEC_H +#define AVCODEC_INTERNAL_H +#include "tableprint.h" +#include "get_bits.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 */ |