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qdm2: Allow hard-coding VLC tables.

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Also adds a lot of infrastructure necessary for it.
Some of it is a bit ugly though.
Increases binary size for hardcoded tables by about 12 kB,
which is about 15 kB from qdm2_table minus data and code
saved that was only used for creating it.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2014-09-07 13:55:23 +02:00
parent de6d44829c
commit 70d80ed40f
5 changed files with 265 additions and 166 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

167
libavcodec/qdm2.c
View File

@ -44,7 +44,6 @@
#include "mpegaudiodsp.h"
#include "mpegaudio.h"
#include "qdm2data.h"
#include "qdm2_tablegen.h"
#undef NDEBUG
@ -197,173 +196,11 @@ typedef struct {
int noise_idx; ///< index for dithering noise table
} QDM2Context;
static VLC vlc_tab_level;
static VLC vlc_tab_diff;
static VLC vlc_tab_run;
static VLC fft_level_exp_alt_vlc;
static VLC fft_level_exp_vlc;
static VLC fft_stereo_exp_vlc;
static VLC fft_stereo_phase_vlc;
static VLC vlc_tab_tone_level_idx_hi1;
static VLC vlc_tab_tone_level_idx_mid;
static VLC vlc_tab_tone_level_idx_hi2;
static VLC vlc_tab_type30;
static VLC vlc_tab_type34;
static VLC vlc_tab_fft_tone_offset[5];
static const uint16_t qdm2_vlc_offs[] = {
0,260,566,598,894,1166,1230,1294,1678,1950,2214,2278,2310,2570,2834,3124,3448,3838,
};
static const int switchtable[23] = {
0, 5, 1, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 4
};
static av_cold void qdm2_init_vlc(void)
{
static VLC_TYPE qdm2_table[3838][2];
vlc_tab_level.table = &qdm2_table[qdm2_vlc_offs[0]];
vlc_tab_level.table_allocated = qdm2_vlc_offs[1] - qdm2_vlc_offs[0];
init_vlc(&vlc_tab_level, 8, 24,
vlc_tab_level_huffbits, 1, 1,
vlc_tab_level_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_diff.table = &qdm2_table[qdm2_vlc_offs[1]];
vlc_tab_diff.table_allocated = qdm2_vlc_offs[2] - qdm2_vlc_offs[1];
init_vlc(&vlc_tab_diff, 8, 37,
vlc_tab_diff_huffbits, 1, 1,
vlc_tab_diff_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_run.table = &qdm2_table[qdm2_vlc_offs[2]];
vlc_tab_run.table_allocated = qdm2_vlc_offs[3] - qdm2_vlc_offs[2];
init_vlc(&vlc_tab_run, 5, 6,
vlc_tab_run_huffbits, 1, 1,
vlc_tab_run_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_level_exp_alt_vlc.table = &qdm2_table[qdm2_vlc_offs[3]];
fft_level_exp_alt_vlc.table_allocated = qdm2_vlc_offs[4] -
qdm2_vlc_offs[3];
init_vlc(&fft_level_exp_alt_vlc, 8, 28,
fft_level_exp_alt_huffbits, 1, 1,
fft_level_exp_alt_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_level_exp_vlc.table = &qdm2_table[qdm2_vlc_offs[4]];
fft_level_exp_vlc.table_allocated = qdm2_vlc_offs[5] - qdm2_vlc_offs[4];
init_vlc(&fft_level_exp_vlc, 8, 20,
fft_level_exp_huffbits, 1, 1,
fft_level_exp_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_stereo_exp_vlc.table = &qdm2_table[qdm2_vlc_offs[5]];
fft_stereo_exp_vlc.table_allocated = qdm2_vlc_offs[6] -
qdm2_vlc_offs[5];
init_vlc(&fft_stereo_exp_vlc, 6, 7,
fft_stereo_exp_huffbits, 1, 1,
fft_stereo_exp_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_stereo_phase_vlc.table = &qdm2_table[qdm2_vlc_offs[6]];
fft_stereo_phase_vlc.table_allocated = qdm2_vlc_offs[7] -
qdm2_vlc_offs[6];
init_vlc(&fft_stereo_phase_vlc, 6, 9,
fft_stereo_phase_huffbits, 1, 1,
fft_stereo_phase_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_tone_level_idx_hi1.table =
&qdm2_table[qdm2_vlc_offs[7]];
vlc_tab_tone_level_idx_hi1.table_allocated = qdm2_vlc_offs[8] -
qdm2_vlc_offs[7];
init_vlc(&vlc_tab_tone_level_idx_hi1, 8, 20,
vlc_tab_tone_level_idx_hi1_huffbits, 1, 1,
vlc_tab_tone_level_idx_hi1_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_tone_level_idx_mid.table =
&qdm2_table[qdm2_vlc_offs[8]];
vlc_tab_tone_level_idx_mid.table_allocated = qdm2_vlc_offs[9] -
qdm2_vlc_offs[8];
init_vlc(&vlc_tab_tone_level_idx_mid, 8, 24,
vlc_tab_tone_level_idx_mid_huffbits, 1, 1,
vlc_tab_tone_level_idx_mid_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_tone_level_idx_hi2.table =
&qdm2_table[qdm2_vlc_offs[9]];
vlc_tab_tone_level_idx_hi2.table_allocated = qdm2_vlc_offs[10] -
qdm2_vlc_offs[9];
init_vlc(&vlc_tab_tone_level_idx_hi2, 8, 24,
vlc_tab_tone_level_idx_hi2_huffbits, 1, 1,
vlc_tab_tone_level_idx_hi2_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_type30.table = &qdm2_table[qdm2_vlc_offs[10]];
vlc_tab_type30.table_allocated = qdm2_vlc_offs[11] - qdm2_vlc_offs[10];
init_vlc(&vlc_tab_type30, 6, 9,
vlc_tab_type30_huffbits, 1, 1,
vlc_tab_type30_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_type34.table = &qdm2_table[qdm2_vlc_offs[11]];
vlc_tab_type34.table_allocated = qdm2_vlc_offs[12] - qdm2_vlc_offs[11];
init_vlc(&vlc_tab_type34, 5, 10,
vlc_tab_type34_huffbits, 1, 1,
vlc_tab_type34_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[0].table =
&qdm2_table[qdm2_vlc_offs[12]];
vlc_tab_fft_tone_offset[0].table_allocated = qdm2_vlc_offs[13] -
qdm2_vlc_offs[12];
init_vlc(&vlc_tab_fft_tone_offset[0], 8, 23,
vlc_tab_fft_tone_offset_0_huffbits, 1, 1,
vlc_tab_fft_tone_offset_0_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[1].table =
&qdm2_table[qdm2_vlc_offs[13]];
vlc_tab_fft_tone_offset[1].table_allocated = qdm2_vlc_offs[14] -
qdm2_vlc_offs[13];
init_vlc(&vlc_tab_fft_tone_offset[1], 8, 28,
vlc_tab_fft_tone_offset_1_huffbits, 1, 1,
vlc_tab_fft_tone_offset_1_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[2].table =
&qdm2_table[qdm2_vlc_offs[14]];
vlc_tab_fft_tone_offset[2].table_allocated = qdm2_vlc_offs[15] -
qdm2_vlc_offs[14];
init_vlc(&vlc_tab_fft_tone_offset[2], 8, 32,
vlc_tab_fft_tone_offset_2_huffbits, 1, 1,
vlc_tab_fft_tone_offset_2_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[3].table =
&qdm2_table[qdm2_vlc_offs[15]];
vlc_tab_fft_tone_offset[3].table_allocated = qdm2_vlc_offs[16] -
qdm2_vlc_offs[15];
init_vlc(&vlc_tab_fft_tone_offset[3], 8, 35,
vlc_tab_fft_tone_offset_3_huffbits, 1, 1,
vlc_tab_fft_tone_offset_3_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[4].table =
&qdm2_table[qdm2_vlc_offs[16]];
vlc_tab_fft_tone_offset[4].table_allocated = qdm2_vlc_offs[17] -
qdm2_vlc_offs[16];
init_vlc(&vlc_tab_fft_tone_offset[4], 8, 38,
vlc_tab_fft_tone_offset_4_huffbits, 1, 1,
vlc_tab_fft_tone_offset_4_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
}
static int qdm2_get_vlc(GetBitContext *gb, VLC *vlc, int flag, int depth)
static int qdm2_get_vlc(GetBitContext *gb, const VLC *vlc, int flag, int depth)
{
int value;
@ -392,7 +229,7 @@ static int qdm2_get_vlc(GetBitContext *gb, VLC *vlc, int flag, int depth)
return value;
}
static int qdm2_get_se_vlc(VLC *vlc, GetBitContext *gb, int depth)
static int qdm2_get_se_vlc(const VLC *vlc, GetBitContext *gb, int depth)
{
int value = qdm2_get_vlc(gb, vlc, 0, depth);

19
libavcodec/qdm2_tablegen.c
View File

@ -21,9 +21,9 @@
*/
#include <stdlib.h>
#include "tableprint_vlc.h"
#define CONFIG_HARDCODED_TABLES 0
#include "qdm2_tablegen.h"
#include "tableprint.h"
int main(void)
{
@ -40,5 +40,22 @@ int main(void)
WRITE_2D_ARRAY("static const", uint8_t, random_dequant_index);
WRITE_2D_ARRAY("static const", uint8_t, random_dequant_type24);
qdm2_init_vlc();
WRITE_2D_ARRAY("static const", VLC_TYPE, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_level, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_diff, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_run, qdm2_table);
WRITE_VLC_TYPE("static const", fft_level_exp_alt_vlc, qdm2_table);
WRITE_VLC_TYPE("static const", fft_level_exp_vlc, qdm2_table);
WRITE_VLC_TYPE("static const", fft_stereo_exp_vlc, qdm2_table);
WRITE_VLC_TYPE("static const", fft_stereo_phase_vlc, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_tone_level_idx_hi1, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_tone_level_idx_mid, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_tone_level_idx_hi2, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_type30, qdm2_table);
WRITE_VLC_TYPE("static const", vlc_tab_type34, qdm2_table);
WRITE_VLC_ARRAY("static const", vlc_tab_fft_tone_offset, qdm2_table);
return 0;
}

164
libavcodec/qdm2_tablegen.h
View File

@ -26,6 +26,7 @@
#include <stdint.h>
#include <math.h>
#include "libavutil/attributes.h"
#include "qdm2data.h"
#define SOFTCLIP_THRESHOLD 27600
#define HARDCLIP_THRESHOLD 35716
@ -34,6 +35,7 @@
#define softclip_table_init()
#define rnd_table_init()
#define init_noise_samples()
#define qdm2_init_vlc()
#include "libavcodec/qdm2_tables.h"
#else
static uint16_t softclip_table[HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1];
@ -92,6 +94,168 @@ static av_cold void init_noise_samples(void) {
noise_samples[i] = (delta * (float)((random_seed >> 16) & 0x00007fff) - 1.0);
}
}
static VLC vlc_tab_level;
static VLC vlc_tab_diff;
static VLC vlc_tab_run;
static VLC fft_level_exp_alt_vlc;
static VLC fft_level_exp_vlc;
static VLC fft_stereo_exp_vlc;
static VLC fft_stereo_phase_vlc;
static VLC vlc_tab_tone_level_idx_hi1;
static VLC vlc_tab_tone_level_idx_mid;
static VLC vlc_tab_tone_level_idx_hi2;
static VLC vlc_tab_type30;
static VLC vlc_tab_type34;
static VLC vlc_tab_fft_tone_offset[5];
static const uint16_t qdm2_vlc_offs[] = {
0,260,566,598,894,1166,1230,1294,1678,1950,2214,2278,2310,2570,2834,3124,3448,3838,
};
static VLC_TYPE qdm2_table[3838][2];
static av_cold void qdm2_init_vlc(void)
{
vlc_tab_level.table = &qdm2_table[qdm2_vlc_offs[0]];
vlc_tab_level.table_allocated = qdm2_vlc_offs[1] - qdm2_vlc_offs[0];
init_vlc(&vlc_tab_level, 8, 24,
vlc_tab_level_huffbits, 1, 1,
vlc_tab_level_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_diff.table = &qdm2_table[qdm2_vlc_offs[1]];
vlc_tab_diff.table_allocated = qdm2_vlc_offs[2] - qdm2_vlc_offs[1];
init_vlc(&vlc_tab_diff, 8, 37,
vlc_tab_diff_huffbits, 1, 1,
vlc_tab_diff_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_run.table = &qdm2_table[qdm2_vlc_offs[2]];
vlc_tab_run.table_allocated = qdm2_vlc_offs[3] - qdm2_vlc_offs[2];
init_vlc(&vlc_tab_run, 5, 6,
vlc_tab_run_huffbits, 1, 1,
vlc_tab_run_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_level_exp_alt_vlc.table = &qdm2_table[qdm2_vlc_offs[3]];
fft_level_exp_alt_vlc.table_allocated = qdm2_vlc_offs[4] -
qdm2_vlc_offs[3];
init_vlc(&fft_level_exp_alt_vlc, 8, 28,
fft_level_exp_alt_huffbits, 1, 1,
fft_level_exp_alt_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_level_exp_vlc.table = &qdm2_table[qdm2_vlc_offs[4]];
fft_level_exp_vlc.table_allocated = qdm2_vlc_offs[5] - qdm2_vlc_offs[4];
init_vlc(&fft_level_exp_vlc, 8, 20,
fft_level_exp_huffbits, 1, 1,
fft_level_exp_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_stereo_exp_vlc.table = &qdm2_table[qdm2_vlc_offs[5]];
fft_stereo_exp_vlc.table_allocated = qdm2_vlc_offs[6] -
qdm2_vlc_offs[5];
init_vlc(&fft_stereo_exp_vlc, 6, 7,
fft_stereo_exp_huffbits, 1, 1,
fft_stereo_exp_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
fft_stereo_phase_vlc.table = &qdm2_table[qdm2_vlc_offs[6]];
fft_stereo_phase_vlc.table_allocated = qdm2_vlc_offs[7] -
qdm2_vlc_offs[6];
init_vlc(&fft_stereo_phase_vlc, 6, 9,
fft_stereo_phase_huffbits, 1, 1,
fft_stereo_phase_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_tone_level_idx_hi1.table =
&qdm2_table[qdm2_vlc_offs[7]];
vlc_tab_tone_level_idx_hi1.table_allocated = qdm2_vlc_offs[8] -
qdm2_vlc_offs[7];
init_vlc(&vlc_tab_tone_level_idx_hi1, 8, 20,
vlc_tab_tone_level_idx_hi1_huffbits, 1, 1,
vlc_tab_tone_level_idx_hi1_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_tone_level_idx_mid.table =
&qdm2_table[qdm2_vlc_offs[8]];
vlc_tab_tone_level_idx_mid.table_allocated = qdm2_vlc_offs[9] -
qdm2_vlc_offs[8];
init_vlc(&vlc_tab_tone_level_idx_mid, 8, 24,
vlc_tab_tone_level_idx_mid_huffbits, 1, 1,
vlc_tab_tone_level_idx_mid_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_tone_level_idx_hi2.table =
&qdm2_table[qdm2_vlc_offs[9]];
vlc_tab_tone_level_idx_hi2.table_allocated = qdm2_vlc_offs[10] -
qdm2_vlc_offs[9];
init_vlc(&vlc_tab_tone_level_idx_hi2, 8, 24,
vlc_tab_tone_level_idx_hi2_huffbits, 1, 1,
vlc_tab_tone_level_idx_hi2_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_type30.table = &qdm2_table[qdm2_vlc_offs[10]];
vlc_tab_type30.table_allocated = qdm2_vlc_offs[11] - qdm2_vlc_offs[10];
init_vlc(&vlc_tab_type30, 6, 9,
vlc_tab_type30_huffbits, 1, 1,
vlc_tab_type30_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_type34.table = &qdm2_table[qdm2_vlc_offs[11]];
vlc_tab_type34.table_allocated = qdm2_vlc_offs[12] - qdm2_vlc_offs[11];
init_vlc(&vlc_tab_type34, 5, 10,
vlc_tab_type34_huffbits, 1, 1,
vlc_tab_type34_huffcodes, 1, 1,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[0].table =
&qdm2_table[qdm2_vlc_offs[12]];
vlc_tab_fft_tone_offset[0].table_allocated = qdm2_vlc_offs[13] -
qdm2_vlc_offs[12];
init_vlc(&vlc_tab_fft_tone_offset[0], 8, 23,
vlc_tab_fft_tone_offset_0_huffbits, 1, 1,
vlc_tab_fft_tone_offset_0_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[1].table =
&qdm2_table[qdm2_vlc_offs[13]];
vlc_tab_fft_tone_offset[1].table_allocated = qdm2_vlc_offs[14] -
qdm2_vlc_offs[13];
init_vlc(&vlc_tab_fft_tone_offset[1], 8, 28,
vlc_tab_fft_tone_offset_1_huffbits, 1, 1,
vlc_tab_fft_tone_offset_1_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[2].table =
&qdm2_table[qdm2_vlc_offs[14]];
vlc_tab_fft_tone_offset[2].table_allocated = qdm2_vlc_offs[15] -
qdm2_vlc_offs[14];
init_vlc(&vlc_tab_fft_tone_offset[2], 8, 32,
vlc_tab_fft_tone_offset_2_huffbits, 1, 1,
vlc_tab_fft_tone_offset_2_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[3].table =
&qdm2_table[qdm2_vlc_offs[15]];
vlc_tab_fft_tone_offset[3].table_allocated = qdm2_vlc_offs[16] -
qdm2_vlc_offs[15];
init_vlc(&vlc_tab_fft_tone_offset[3], 8, 35,
vlc_tab_fft_tone_offset_3_huffbits, 1, 1,
vlc_tab_fft_tone_offset_3_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
vlc_tab_fft_tone_offset[4].table =
&qdm2_table[qdm2_vlc_offs[16]];
vlc_tab_fft_tone_offset[4].table_allocated = qdm2_vlc_offs[17] -
qdm2_vlc_offs[16];
init_vlc(&vlc_tab_fft_tone_offset[4], 8, 38,
vlc_tab_fft_tone_offset_4_huffbits, 1, 1,
vlc_tab_fft_tone_offset_4_huffcodes, 2, 2,
INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
}
#endif /* CONFIG_HARDCODED_TABLES */
#endif /* AVCODEC_QDM2_TABLEGEN_H */

1
libavcodec/tableprint.h
View File

@ -114,6 +114,7 @@ void write_float_2d_array (const void *, int, int);
WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15)
WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15)
WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7)
WRITE_1D_FUNC(int16_t, "%5"PRIi16, 7)
WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7)
WRITE_1D_FUNC(float, "%.18e", 3)

80
libavcodec/tableprint_vlc.h Normal file
View File

@ -0,0 +1,80 @@
/*
* 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, ...)
#define av_dlog(a, ...)
#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)
#define av_freep(p)
#define AVCODEC_AVCODEC_H
#include "tableprint.h"
#include "get_bits.h"
#include "mathtables.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 */