vp3dsp.c File Reference

Standard C DSP-oriented functions cribbed from the original VP3 source code. More...

#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "rnd_avg.h"
#include "vp3dsp.h"

Go to the source code of this file.

Macros
#define	IdctAdjustBeforeShift   8
#define	xC1S7   64277
#define	xC2S6   60547
#define	xC3S5   54491
#define	xC4S4   46341
#define	xC5S3   36410
#define	xC6S2   25080
#define	xC7S1   12785
#define	M(a, b)   ((int)((SUINT)(a) * (b)) >> 16)

Functions
static av_always_inline void	idct (uint8_t *dst, ptrdiff_t stride, int16_t *input, int type)
static void	vp3_idct_put_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
static void	vp3_idct_add_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
static void	vp3_idct_dc_add_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
static void	vp3_v_loop_filter_c (uint8_t *first_pixel, ptrdiff_t stride, int *bounding_values)
static void	vp3_h_loop_filter_c (uint8_t *first_pixel, ptrdiff_t stride, int *bounding_values)
static void	put_no_rnd_pixels_l2 (uint8_t *dst, const uint8_t *src1, const uint8_t *src2, ptrdiff_t stride, int h)
av_cold void	ff_vp3dsp_init (VP3DSPContext *c, int flags)

Detailed Description

Standard C DSP-oriented functions cribbed from the original VP3 source code.

Definition in file vp3dsp.c.

Macro Definition Documentation

#define IdctAdjustBeforeShift   8

Definition at line 35 of file vp3dsp.c.

Referenced by idct().

#define xC1S7   64277

Definition at line 36 of file vp3dsp.c.

Referenced by idct().

#define xC2S6   60547

Definition at line 37 of file vp3dsp.c.

Referenced by idct().

#define xC3S5   54491

Definition at line 38 of file vp3dsp.c.

Referenced by idct().

#define xC4S4   46341

Definition at line 39 of file vp3dsp.c.

Referenced by idct().

#define xC5S3   36410

Definition at line 40 of file vp3dsp.c.

Referenced by idct().

#define xC6S2   25080

Definition at line 41 of file vp3dsp.c.

Referenced by idct().

#define xC7S1   12785

Definition at line 42 of file vp3dsp.c.

Referenced by idct().

#define M	(		a,
			b
	)		((int)((SUINT)(a) * (b)) >> 16)

Definition at line 44 of file vp3dsp.c.

Referenced by ff_generate_window_func(), filter_frame(), idct(), scan_int23(), scan_int32(), and search_for_ms().

Function Documentation

static av_always_inline void idct ( uint8_t *  dst, ptrdiff_t  stride, int16_t *  input, int  type  )

static

Definition at line 46 of file vp3dsp.c.

Referenced by vp3_idct_add_c(), and vp3_idct_put_c().

static void vp3_idct_put_c ( uint8_t *  dest, ptrdiff_t  stride, int16_t *  block  )

static

Definition at line 197 of file vp3dsp.c.

Referenced by ff_vp3dsp_init().

static void vp3_idct_add_c ( uint8_t *  dest, ptrdiff_t  stride, int16_t *  block  )

static

Definition at line 204 of file vp3dsp.c.

Referenced by ff_vp3dsp_init().

static void vp3_idct_dc_add_c ( uint8_t *  dest, ptrdiff_t  stride, int16_t *  block  )

static

Definition at line 211 of file vp3dsp.c.

Referenced by ff_vp3dsp_init().

static void vp3_v_loop_filter_c ( uint8_t *  first_pixel, ptrdiff_t  stride, int *  bounding_values  )

static

Definition at line 230 of file vp3dsp.c.

Referenced by ff_vp3dsp_init().

static void vp3_h_loop_filter_c ( uint8_t *  first_pixel, ptrdiff_t  stride, int *  bounding_values  )

static

Definition at line 247 of file vp3dsp.c.

Referenced by ff_vp3dsp_init().

static void put_no_rnd_pixels_l2 ( uint8_t *  dst, const uint8_t *  src1, const uint8_t *  src2, ptrdiff_t  stride, int  h  )

static

Definition at line 263 of file vp3dsp.c.

Referenced by ff_vp3dsp_init().

av_cold void ff_vp3dsp_init	(	VP3DSPContext *	c,
		int	flags
	)

Definition at line 280 of file vp3dsp.c.

Referenced by ff_vp56_init_context(), and vp3_decode_init().