#include <stdlib.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/macros.h"
#include "pngdsp.h"

Macros
#define	BITS 32

#define	RN AV_JOIN(AV_RN, BITS)

#define	RNA AV_JOIN(AV_JOIN(AV_RN, BITS), A)

#define	WN AV_JOIN(AV_WN, BITS)

#define	pb_7f (~(uint_native)0 / 255 * 0x7f)

#define	pb_80 (~(uint_native)0 / 255 * 0x80)

Typedefs
typedef uint32_t	uint_native

Functions
static void	add_bytes_l2_c (uint8_t dst, const uint8_t src1, const uint8_t *src2, int w)

void	ff_png_add_paeth_prediction (uint8_t dst, const uint8_t src, const uint8_t *top, int w, int bpp)

av_cold void	ff_pngdsp_init (PNGDSPContext *dsp)

Macro Definition Documentation

◆ BITS

#define BITS 32

Definition at line 34 of file pngdsp.c.

◆ RN

#define RN AV_JOIN(AV_RN, BITS)

Definition at line 37 of file pngdsp.c.

◆ RNA

#define RNA AV_JOIN(AV_JOIN(AV_RN, BITS), A)

Definition at line 38 of file pngdsp.c.

◆ WN

#define WN AV_JOIN(AV_WN, BITS)

Definition at line 39 of file pngdsp.c.

◆ pb_7f

#define pb_7f (~(uint_native)0 / 255 * 0x7f)

Definition at line 42 of file pngdsp.c.

◆ pb_80

#define pb_80 (~(uint_native)0 / 255 * 0x80)

Definition at line 43 of file pngdsp.c.

Typedef Documentation

◆ uint_native

typedef uint32_t uint_native

Definition at line 35 of file pngdsp.c.

Function Documentation

◆ add_bytes_l2_c()

static void add_bytes_l2_c	(	uint8_t *	dst,
		const uint8_t *	src1,
		const uint8_t *	src2,
		int	w
	)

static

Definition at line 45 of file pngdsp.c.

Referenced by ff_pngdsp_init().

◆ ff_png_add_paeth_prediction()

void ff_png_add_paeth_prediction	(	uint8_t *	dst,
		const uint8_t *	src,
		const uint8_t *	top,
		int	w,
		int	bpp
	)

Definition at line 58 of file pngdsp.c.

Referenced by ff_png_filter_row(), and ff_pngdsp_init().

◆ ff_pngdsp_init()

av_cold void ff_pngdsp_init ( PNGDSPContext * dsp )

Definition at line 85 of file pngdsp.c.

Referenced by lscr_decode_init(), and png_dec_init().

Macros

Typedefs

Functions