FFmpeg
libavcodec
tableprint_vlc.h
Go to the documentation of this file.
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/*
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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 */
tableprint.h
base_table
const VLCElem * base_table
Definition:
tableprint_vlc.h:46
data
const char data[16]
Definition:
mxf.c:149
printf
printf(" .table = (VLCElem *)(%s + 0x%x),\n", base_table_name,(int)(vlc->table - base_table))
WRITE_1D_FUNC_ARGV
WRITE_1D_FUNC_ARGV(VLCElem, 3, "{ .sym =%5" PRId16 ", .len =%2"PRIi16 " }", data[i].sym, data[i].len) static void write_vlc_type(const VLC *vlc
base_table_name
const VLCElem const char * base_table_name
Definition:
tableprint_vlc.h:47
VLCElem
Definition:
vlc.h:32
i
#define i(width, name, range_min, range_max)
Definition:
cbs_h2645.c:256
reverse.c
len
int len
Definition:
vorbis_enc_data.h:426
VLC
Definition:
vlc.h:36
vlc.h
vlc.c
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