uops_backend.c File Reference

#include "libavutil/avassert.h"
#include "uops_tmpl.h"
#include "uops_tmpl.c"

Go to the source code of this file.

Macros
#define	IS_FLOAT   0
	Copyright (C) 2026 Niklas Haas. More...
#define	BIT_DEPTH   8
#define	BIT_DEPTH   16
#define	BIT_DEPTH   32
#define	IS_FLOAT   1
	Copyright (C) 2026 Niklas Haas. More...
#define	BIT_DEPTH   32
#define	REF_ALL_UOPS(TYPE)

Functions
static void	process (const SwsOpExec *exec, const void *priv, const int bx_start, const int y_start, int bx_end, int y_end)
static int	compile (SwsContext *ctx, const SwsOpList *ops, SwsCompiledOp *out)

Variables
static const SwsOpTable	op_table
const SwsOpBackend	backend_c
	Copyright (C) 2025 Niklas Haas. More...

Macro Definition Documentation

IS_FLOAT [1/2]

#define IS_FLOAT   0

Copyright (C) 2026 Niklas Haas.

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 We want to disable FP contraction because this is a reference backend that establishes a bit-exact reference result.

Definition at line 55 of file uops_backend.c.

BIT_DEPTH [1/4]

#define BIT_DEPTH   8

Definition at line 56 of file uops_backend.c.

BIT_DEPTH [2/4]

#define BIT_DEPTH   16

Definition at line 56 of file uops_backend.c.

BIT_DEPTH [3/4]

#define BIT_DEPTH   32

Definition at line 56 of file uops_backend.c.

IS_FLOAT [2/2]

#define IS_FLOAT   1

Copyright (C) 2026 Niklas Haas.

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 We want to disable FP contraction because this is a reference backend that establishes a bit-exact reference result.

Definition at line 55 of file uops_backend.c.

BIT_DEPTH [4/4]

#define BIT_DEPTH   32

Definition at line 56 of file uops_backend.c.

REF_ALL_UOPS

#define REF_ALL_UOPS

(

TYPE

)

Definition at line 62 of file uops_backend.c.

Function Documentation

process()

static void process ( const SwsOpExec *  exec, const void *  priv, const int  bx_start, const int  y_start, int  bx_end, int  y_end  )

static

Definition at line 107 of file uops_backend.c.

Referenced by compile().

compile()

static int compile ( SwsContext *  ctx, const SwsOpList *  ops, SwsCompiledOp *  out  )

static

Definition at line 137 of file uops_backend.c.

Variable Documentation

op_table

const SwsOpTable op_table

static

Initial value:

= {
    .block_size = SWS_BLOCK_SIZE,
    .entries = {
 
 
 
 
        NULL
    },
}

Definition at line 96 of file uops_backend.c.

Referenced by compile().

backend_c

const SwsOpBackend backend_c

Initial value:

= {
    .name       = "c",
    .flags      = SWS_BACKEND_C,
    .compile    = compile,
    .hw_format  = AV_PIX_FMT_NONE,
}

Copyright (C) 2025 Niklas Haas.

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

Definition at line 192 of file uops_backend.c.