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 /* 2048*sqrt (2)*cos (1*pi/16) */
#define	W2   2676 /* 2048*sqrt (2)*cos (2*pi/16) */
#define	W3   2408 /* 2048*sqrt (2)*cos (3*pi/16) */
#define	W4   2048 /* 2048*sqrt (2)*cos (4*pi/16) */
#define	W5   1609 /* 2048*sqrt (2)*cos (5*pi/16) */
#define	W6   1108 /* 2048*sqrt (2)*cos (6*pi/16) */
#define	W7   565 /* 2048*sqrt (2)*cos (7*pi/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_intrax8_common_init(), and ff_wmv2_common_init().