FFmpeg: libavcodec/wmv2dsp.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "avcodec.h"
#include "dsputil.h"
#include "wmv2dsp.h"

Go to the source code of this file.

Macros
#define	W0 2048

#define	W1 2841 /* 2048sqrt (2)cos (1pi/16) /

#define	W2 2676 /* 2048sqrt (2)cos (2pi/16) /

#define	W3 2408 /* 2048sqrt (2)cos (3pi/16) /

#define	W4 2048 /* 2048sqrt (2)cos (4pi/16) /

#define	W5 1609 /* 2048sqrt (2)cos (5pi/16) /

#define	W6 1108 /* 2048sqrt (2)cos (6pi/16) /

#define	W7 565 /* 2048sqrt (2)cos (7pi/16) /

Functions
static void	wmv2_idct_row (short *b)

static void	wmv2_idct_col (short *b)

static void	wmv2_idct_add_c (uint8_t dest, int line_size, int16_t block)

static void	wmv2_idct_put_c (uint8_t dest, int line_size, int16_t block)

av_cold void	ff_wmv2dsp_init (WMV2DSPContext *c)

Macro Definition Documentation

#define W0 2048

Definition at line 25 of file wmv2dsp.c.

Referenced by wmv2_idct_col(), and wmv2_idct_row().

#define W1 2841 /* 2048*sqrt (2)*cos (1*pi/16) */

Definition at line 26 of file wmv2dsp.c.

Referenced by wmv2_idct_col(), and wmv2_idct_row().

#define W2 2676 /* 2048*sqrt (2)*cos (2*pi/16) */

Definition at line 27 of file wmv2dsp.c.

Referenced by wmv2_idct_col(), and wmv2_idct_row().

#define W3 2408 /* 2048*sqrt (2)*cos (3*pi/16) */

Definition at line 28 of file wmv2dsp.c.

Referenced by wmv2_idct_col(), and wmv2_idct_row().

#define W4 2048 /* 2048*sqrt (2)*cos (4*pi/16) */

Definition at line 29 of file wmv2dsp.c.

#define W5 1609 /* 2048*sqrt (2)*cos (5*pi/16) */

Definition at line 30 of file wmv2dsp.c.

Referenced by wmv2_idct_col(), and wmv2_idct_row().

#define W6 1108 /* 2048*sqrt (2)*cos (6*pi/16) */

Definition at line 31 of file wmv2dsp.c.

Referenced by wmv2_idct_col(), and wmv2_idct_row().

#define W7 565 /* 2048*sqrt (2)*cos (7*pi/16) */

Definition at line 32 of file wmv2dsp.c.

Referenced by wmv2_idct_col(), and wmv2_idct_row().

Function Documentation

static void wmv2_idct_row ( short * b )

static

Definition at line 34 of file wmv2dsp.c.

Referenced by wmv2_idct_add_c(), and wmv2_idct_put_c().

static void wmv2_idct_col ( short * b )

static

Definition at line 64 of file wmv2dsp.c.

Referenced by wmv2_idct_add_c(), and wmv2_idct_put_c().

static void wmv2_idct_add_c	(	uint8_t *	dest,
		int	line_size,
		int16_t *	block
	)

static

Definition at line 95 of file wmv2dsp.c.

Referenced by ff_wmv2dsp_init().

static void wmv2_idct_put_c	(	uint8_t *	dest,
		int	line_size,
		int16_t *	block
	)

static

Definition at line 118 of file wmv2dsp.c.

Referenced by ff_wmv2dsp_init().

av_cold void ff_wmv2dsp_init ( WMV2DSPContext * c )

Definition at line 141 of file wmv2dsp.c.

Referenced by ff_wmv2_common_init().