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FFmpeg/libavcodec/mpeg4videodsp.h
Andreas Rheinhardt 4209216ee8 avcodec/mpegvideodsp: Make MpegVideoDSP MPEG-4 only
It is only used by gmc/gmc1 which is only used by the MPEG-4
decoder, so move it to Mpeg4DecContext and rename it
to Mpeg4VideoDSP. Also compile it iff the MPEG-4 decoder is compiled.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-10-20 07:56:17 +02:00

48 lines
1.8 KiB
C

/*
* 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_MPEG4VIDEODSP_H
#define AVCODEC_MPEG4VIDEODSP_H
#include <stdint.h>
void ff_gmc_c(uint8_t *dst, const uint8_t *src, int stride, int h, int ox, int oy,
int dxx, int dxy, int dyx, int dyy, int shift, int r,
int width, int height);
typedef struct Mpeg4VideoDSPContext {
/**
* translational global motion compensation.
*/
void (*gmc1)(uint8_t *dst /* align 8 */, const uint8_t *src /* align 1 */,
int srcStride, int h, int x16, int y16, int rounder);
/**
* global motion compensation.
*/
void (*gmc)(uint8_t *dst /* align 8 */, const uint8_t *src /* align 1 */,
int stride, int h, int ox, int oy,
int dxx, int dxy, int dyx, int dyy,
int shift, int r, int width, int height);
} Mpeg4VideoDSPContext;
void ff_mpeg4videodsp_init(Mpeg4VideoDSPContext *c);
void ff_mpeg4videodsp_init_ppc(Mpeg4VideoDSPContext *c);
void ff_mpeg4videodsp_init_x86(Mpeg4VideoDSPContext *c);
#endif /* AVCODEC_MPEG4VIDEODSP_H */