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FFmpeg/libavcodec/msmpeg4_vc1_data.h
Andreas Rheinhardt d1d30edf42 avcodec/msmpeg4data: Move data shared between msmpeg4 and VC-1 out
This is in preparation for splitting VC-1 from msmpeg4.
(msmpeg4data.c was originally intended to be just this;
9488b966c7 changed it).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-11-06 17:41:26 +01:00

56 lines
1.8 KiB
C

/*
* Common MSMPEG-4 and VC-1 tables
* Copyright (c) 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
*
* 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_MSMPEG4_VC1_DATA_H
#define AVCODEC_MSMPEG4_VC1_DATA_H
#include <stdint.h>
#include "vlc.h"
#include "libavutil/attributes_internal.h"
FF_VISIBILITY_PUSH_HIDDEN
void ff_msmp4_vc1_vlcs_init_once(void);
#define MSMP4_MB_INTRA_VLC_BITS 9
extern VLC ff_msmp4_mb_i_vlc;
#define MSMP4_DC_VLC_BITS 9
extern VLC ff_msmp4_dc_luma_vlc[2];
extern VLC ff_msmp4_dc_chroma_vlc[2];
/* intra picture macroblock coded block pattern */
extern const uint16_t ff_msmp4_mb_i_table[64][2];
#define WMV1_SCANTABLE_COUNT 4
extern const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64];
extern const uint32_t ff_table0_dc_lum[120][2];
extern const uint32_t ff_table1_dc_lum[120][2];
extern const uint32_t ff_table0_dc_chroma[120][2];
extern const uint32_t ff_table1_dc_chroma[120][2];
FF_VISIBILITY_POP_HIDDEN
#endif /* AVCODEC_MSMPEG4_VC1_DATA_H */