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79 lines
3.1 KiB
79 lines
3.1 KiB
/* |
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* Helpers for generating hard-coded VLC tables |
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* |
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* Copyright (c) 2014 Reimar Döffinger <Reimar.Doeffinger@gmx.de> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_TABLEPRINT_VLC_H |
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#define AVCODEC_TABLEPRINT_VLC_H |
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#define AVUTIL_LOG_H |
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#define av_log(a, ...) while(0) |
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#define ff_dlog(a, ...) while(0) |
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#define AVUTIL_MEM_H |
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#define av_malloc(s) NULL |
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#define av_malloc_array(a, b) NULL |
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#define av_realloc_f(p, o, n) NULL |
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#define av_free(p) while(0) |
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#define av_freep(p) while(0) |
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#define AVUTIL_INTERNAL_H |
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#define avpriv_request_sample(...) |
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#include "tableprint.h" |
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#include "vlc.h" |
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#include "libavutil/reverse.c" |
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#include "vlc.c" |
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// The following will have to be modified if VLCBaseType changes. |
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WRITE_1D_FUNC_ARGV(VLCElem, 3, "{ .sym =%5" PRId16 ", .len =%2"PRIi16 " }", |
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data[i].sym, data[i].len) |
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static void write_vlc_type(const VLC *vlc, const VLCElem *base_table, const char *base_table_name) |
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{ |
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printf(" .bits = %i,\n", vlc->bits); |
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// Unfortunately need to cast away const currently |
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printf(" .table = (VLCElem *)(%s + 0x%x),\n", base_table_name, (int)(vlc->table - base_table)); |
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printf(" .table_size = 0x%x,\n", vlc->table_size); |
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printf(" .table_allocated = 0x%x,\n", vlc->table_allocated); |
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} |
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#define WRITE_VLC_TABLE(prefix, name) \ |
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WRITE_ARRAY(prefix, VLCElem, name) |
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#define WRITE_VLC_TYPE(prefix, name, base_table) \ |
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do { \ |
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printf(prefix" VLC "#name" = {\n"); \ |
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write_vlc_type(&name, base_table, #base_table); \ |
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printf("};\n"); \ |
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} while(0) |
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#define WRITE_VLC_ARRAY(prefix, name, base_table) \ |
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do { \ |
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int i; \ |
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const size_t array_size = FF_ARRAY_ELEMS(name); \ |
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printf(prefix" VLC "#name"[%"FMT"] = {{\n", \ |
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array_size); \ |
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for (i = 0; i < array_size; i++) { \ |
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write_vlc_type(name + i, \ |
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base_table, #base_table); \ |
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if (i != array_size - 1) printf("}, {\n"); \ |
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} \ |
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printf("}};\n"); \ |
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} while(0) |
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#endif /* AVCODEC_TABLEPRINT_VLC_H */
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