#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/mem_internal.h"
#include "libavutil/refstruct.h"
#include "libswscale/ops.h"
#include "libswscale/ops_internal.h"
#include "checkasm.h"

Macros
#define	FMT(fmt, ...) tprintf((char[256]) {0}, 256, fmt, __VA_ARGS__)

#define	CHECK_RANGES(NAME, RANGES, N_IN, N_OUT, IN, OUT, ...)

#define	MK_RANGES(R) ((const unsigned[]) { R, R, R, R })

#define	CHECK_RANGE(NAME, RANGE, N_IN, N_OUT, IN, OUT, ...) CHECK_RANGES(NAME, MK_RANGES(RANGE), N_IN, N_OUT, IN, OUT, __VA_ARGS__)

#define	CHECK_COMMON_RANGE(NAME, RANGE, IN, OUT, ...)

#define	CHECK(NAME, N_IN, N_OUT, IN, OUT, ...) CHECK_RANGE(NAME, 0, N_IN, N_OUT, IN, OUT, __VA_ARGS__)

#define	CHECK_COMMON(NAME, IN, OUT, ...) CHECK_COMMON_RANGE(NAME, 0, IN, OUT, __VA_ARGS__)

Enumerations
enum	{ LINES = 2, NB_PLANES = 4, PIXELS = 64 }
	Copyright (C) 2025 Niklas Haas. More...

enum	{ U8 = SWS_PIXEL_U8, U16 = SWS_PIXEL_U16, U32 = SWS_PIXEL_U32, F32 = SWS_PIXEL_F32 }

Functions
static const char *	tprintf (char buf[], size_t size, const char *fmt,...)

static int	rw_pixel_bits (const SwsOp *op)

static float	rndf (void)

static void	fill32f (float *line, int num, unsigned range)

static void	fill32 (uint32_t *line, int num, unsigned range)

static void	fill16 (uint16_t *line, int num, unsigned range)

static void	fill8 (uint8_t *line, int num, unsigned range)

static void	check_ops (const char report, const unsigned ranges[NB_PLANES], const SwsOp ops)

static void	check_read_write (void)

static void	check_swap_bytes (void)

static void	check_pack_unpack (void)

static AVRational	rndq (SwsPixelType t)

static void	check_clear (void)

static void	check_shift (void)

static void	check_swizzle (void)

static void	check_convert (void)

static void	check_dither (void)

static void	check_min_max (void)

static void	check_linear (void)

static void	check_scale (void)

void	checkasm_check_sw_ops (void)

Macro Definition Documentation

◆ FMT

#define FMT	(	fmt,
		...
	)	tprintf((char[256]) {0}, 256, fmt, __VA_ARGS__)

Definition at line 45 of file sw_ops.c.

◆ CHECK_RANGES

#define CHECK_RANGES	(	NAME,
		RANGES,
		N_IN,
		N_OUT,
		IN,
		OUT,
		...
	)

Value:

  do {                                                                          \
      check_ops(NAME, RANGES, (SwsOp[]) {                                       \
        {                                                                       \
            .op = SWS_OP_READ,                                                  \
            .type = IN,                                                         \
            .rw.elems = N_IN,                                                   \
        },                                                                      \
        __VA_ARGS__,                                                            \
        {                                                                       \
            .op = SWS_OP_WRITE,                                                 \
            .type = OUT,                                                        \
            .rw.elems = N_OUT,                                                  \
        }, {0}                                                                  \
    });                                                                         \
  } while (0)

Definition at line 255 of file sw_ops.c.

◆ MK_RANGES

#define MK_RANGES ( R ) ((const unsigned[]) { R, R, R, R })

Definition at line 272 of file sw_ops.c.

◆ CHECK_RANGE

#define CHECK_RANGE	(	NAME,
		RANGE,
		N_IN,
		N_OUT,
		IN,
		OUT,
		...
	)	CHECK_RANGES(NAME, MK_RANGES(RANGE), N_IN, N_OUT, IN, OUT, __VA_ARGS__)

Definition at line 273 of file sw_ops.c.

◆ CHECK_COMMON_RANGE

#define CHECK_COMMON_RANGE	(	NAME,
		RANGE,
		IN,
		OUT,
		...
	)

Value:

    CHECK_RANGE(FMT("%s_p1000", NAME), RANGE, 1, 1, IN, OUT, __VA_ARGS__);      \
    CHECK_RANGE(FMT("%s_p1110", NAME), RANGE, 3, 3, IN, OUT, __VA_ARGS__);      \
    CHECK_RANGE(FMT("%s_p1111", NAME), RANGE, 4, 4, IN, OUT, __VA_ARGS__);      \
    CHECK_RANGE(FMT("%s_p1001", NAME), RANGE, 4, 2, IN, OUT, __VA_ARGS__, {     \
        .op = SWS_OP_SWIZZLE,                                                   \
        .type = OUT,                                                            \
        .swizzle = SWS_SWIZZLE(0, 3, 1, 2),                                     \
    })

Definition at line 276 of file sw_ops.c.

◆ CHECK

#define CHECK	(	NAME,
		N_IN,
		N_OUT,
		IN,
		OUT,
		...
	)	CHECK_RANGE(NAME, 0, N_IN, N_OUT, IN, OUT, __VA_ARGS__)

Definition at line 286 of file sw_ops.c.

◆ CHECK_COMMON

#define CHECK_COMMON	(	NAME,
		IN,
		OUT,
		...
	)	CHECK_COMMON_RANGE(NAME, 0, IN, OUT, __VA_ARGS__)

Definition at line 289 of file sw_ops.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

This file is part of FFmpeg.

FFmpeg is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 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 General Public License for more details.

You should have received a copy of the GNU 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.

Enumerator
LINES
NB_PLANES
PIXELS

Definition at line 32 of file sw_ops.c.

◆ anonymous enum

anonymous enum

Enumerator
U8
U16
U32
F32

Definition at line 38 of file sw_ops.c.

Function Documentation

◆ tprintf()

static const char* tprintf	(	char	buf[],
		size_t	size,
		const char *	fmt,
			...
	)

static

Definition at line 46 of file sw_ops.c.

◆ rw_pixel_bits()

static int rw_pixel_bits ( const SwsOp * op )

static

Definition at line 55 of file sw_ops.c.

Referenced by check_ops().

◆ rndf()

static float rndf ( void )

static

Definition at line 64 of file sw_ops.c.

Referenced by fill32f().

◆ fill32f()

static void fill32f	(	float *	line,
		int	num,
		unsigned	range
	)

static

Definition at line 73 of file sw_ops.c.

Referenced by check_ops().

◆ fill32()

static void fill32	(	uint32_t *	line,
		int	num,
		unsigned	range
	)

static

Definition at line 80 of file sw_ops.c.

Referenced by check_ops(), fill16(), and fill8().

◆ fill16()

static void fill16	(	uint16_t *	line,
		int	num,
		unsigned	range
	)

static

Definition at line 86 of file sw_ops.c.

Referenced by check_ops().

◆ fill8()

static void fill8	(	uint8_t *	line,
		int	num,
		unsigned	range
	)

static

Definition at line 96 of file sw_ops.c.

Referenced by check_ops().

◆ check_ops()

static void check_ops	(	const char *	report,
		const unsigned	ranges[NB_PLANES],
		const SwsOp *	ops
	)

static

Don't use check_func() because the actual function pointer may be a wrapper shared by multiple implementations. Instead, take a hash of both the backend pointer and the active CPU flags.

Definition at line 106 of file sw_ops.c.

Referenced by check_read_write().

◆ check_read_write()

static void check_read_write ( void )

static

Definition at line 292 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_swap_bytes()

static void check_swap_bytes ( void )

static

Definition at line 379 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_pack_unpack()

static void check_pack_unpack ( void )

static

Definition at line 392 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ rndq()

static AVRational rndq ( SwsPixelType t )

static

Definition at line 437 of file sw_ops.c.

Referenced by check_clear(), check_dither(), check_linear(), check_min_max(), and check_scale().

◆ check_clear()

static void check_clear ( void )

static

Definition at line 449 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_shift()

static void check_shift ( void )

static

Definition at line 506 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_swizzle()

static void check_swizzle ( void )

static

Definition at line 529 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_convert()

static void check_convert ( void )

static

Definition at line 572 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_dither()

static void check_dither ( void )

static

Definition at line 617 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_min_max()

static void check_min_max ( void )

static

Definition at line 652 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_linear()

static void check_linear ( void )

static

Definition at line 670 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ check_scale()

static void check_scale ( void )

static

Definition at line 727 of file sw_ops.c.

Referenced by checkasm_check_sw_ops().

◆ checkasm_check_sw_ops()

void checkasm_check_sw_ops ( void )

Definition at line 752 of file sw_ops.c.

Macros

Enumerations

Functions

Macro Definition Documentation

◆ FMT

◆ CHECK_RANGES

◆ MK_RANGES

◆ CHECK_RANGE

◆ CHECK_COMMON_RANGE

◆ CHECK

◆ CHECK_COMMON

Enumeration Type Documentation

◆ anonymous enum

◆ anonymous enum

Function Documentation

◆ tprintf()

◆ rw_pixel_bits()

◆ rndf()

◆ fill32f()

◆ fill32()

◆ fill16()

◆ fill8()

◆ check_ops()

◆ check_read_write()

◆ check_swap_bytes()

◆ check_pack_unpack()

◆ rndq()

◆ check_clear()

◆ check_shift()

◆ check_swizzle()

◆ check_convert()

◆ check_dither()

◆ check_min_max()

◆ check_linear()

◆ check_scale()

◆ checkasm_check_sw_ops()