ffmpeg/libavcodec/asv.h
Andreas Rheinhardt 8a9eac7e42 avcodec/asv: Split ASV1Context into decoder and encoder contexts
A lot of the stuff in ASV1Context is actually only used
by decoders or encoders, but not both: Of the seven contexts
in ASV1Context, only the BswapDSPContext is used by both.
So splitting makes sense.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-10-05 14:20:33 +02:00

53 lines
1.5 KiB
C

/*
* Copyright (c) 2003 Michael Niedermayer
*
* 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
*/
/**
* @file
* ASUS V1/V2 encoder/decoder common data.
*/
#ifndef AVCODEC_ASV_H
#define AVCODEC_ASV_H
#include <stdint.h>
#include "avcodec.h"
#include "bswapdsp.h"
typedef struct ASVCommonContext {
AVCodecContext *avctx;
BswapDSPContext bbdsp;
int mb_width;
int mb_height;
int mb_width2;
int mb_height2;
} ASVCommonContext;
extern const uint8_t ff_asv_scantab[64];
extern const uint8_t ff_asv_ccp_tab[17][2];
extern const uint8_t ff_asv_level_tab[7][2];
extern const uint8_t ff_asv_dc_ccp_tab[8][2];
extern const uint8_t ff_asv_ac_ccp_tab[16][2];
extern const uint16_t ff_asv2_level_tab[63][2];
void ff_asv_common_init(AVCodecContext *avctx);
#endif /* AVCODEC_ASV_H */