libavfilter/vf_hqdn3d.c File Reference

high quality 3d video denoiser, ported from MPlayer libmpcodecs/vf_hqdn3d.c. More...

#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  HQDN3DContext

Defines

#define LUT_BITS   (depth==16 ? 8 : 4)
#define LOAD(x)   (((depth==8 ? src[x] : AV_RN16A(src+(x)*2)) << (16-depth)) + (((1<<(16-depth))-1)>>1))
#define STORE(x, val)
#define denoise(...)
#define PARAM1_DEFAULT   4.0
#define PARAM2_DEFAULT   3.0
#define PARAM3_DEFAULT   6.0

Functions

void ff_hqdn3d_row_8_x86 (uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal)
void ff_hqdn3d_row_9_x86 (uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal)
void ff_hqdn3d_row_10_x86 (uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal)
void ff_hqdn3d_row_16_x86 (uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal)
static av_always_inline uint32_t lowpass (int prev, int cur, int16_t *coef, int depth)
static av_always_inline void denoise_temporal (uint8_t *src, uint8_t *dst, uint16_t *frame_ant, int w, int h, int sstride, int dstride, int16_t *temporal, int depth)
static av_always_inline void denoise_spatial (HQDN3DContext *hqdn3d, uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, int w, int h, int sstride, int dstride, int16_t *spatial, int16_t *temporal, int depth)
static av_always_inline void denoise_depth (HQDN3DContext *hqdn3d, uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t **frame_ant_ptr, int w, int h, int sstride, int dstride, int16_t *spatial, int16_t *temporal, int depth)
static int16_t * precalc_coefs (double dist25, int depth)
static int init (AVFilterContext *ctx, const char *args)
static void uninit (AVFilterContext *ctx)
static int query_formats (AVFilterContext *ctx)
static int config_input (AVFilterLink *inlink)
static int null_draw_slice (AVFilterLink *link, int y, int h, int slice_dir)
static int end_frame (AVFilterLink *inlink)

Variables

AVFilter avfilter_vf_hqdn3d

Detailed Description

high quality 3d video denoiser, ported from MPlayer libmpcodecs/vf_hqdn3d.c.

Definition in file vf_hqdn3d.c.

Define Documentation

#define denoise ( ...   ) 

Value:

switch (hqdn3d->depth) {\
        case  8: denoise_depth(__VA_ARGS__,  8); break;\
        case  9: denoise_depth(__VA_ARGS__,  9); break;\
        case 10: denoise_depth(__VA_ARGS__, 10); break;\
        case 16: denoise_depth(__VA_ARGS__, 16); break;\
    }

Definition at line 159 of file vf_hqdn3d.c.

Referenced by end_frame().

#define LOAD ( x   )     (((depth==8 ? src[x] : AV_RN16A(src+(x)*2)) << (16-depth)) + (((1<<(16-depth))-1)>>1))

Definition at line 53 of file vf_hqdn3d.c.

#define LUT_BITS   (depth==16 ? 8 : 4)

Definition at line 52 of file vf_hqdn3d.c.

#define PARAM1_DEFAULT   4.0

Definition at line 188 of file vf_hqdn3d.c.

#define PARAM2_DEFAULT   3.0

Definition at line 189 of file vf_hqdn3d.c.

#define PARAM3_DEFAULT   6.0

Definition at line 190 of file vf_hqdn3d.c.

#define STORE ( x,
val   ) 

Value:

(depth==8 ? dst[x] = (val) >> (16-depth)\
                    : AV_WN16A(dst+(x)*2, (val) >> (16-depth)))

Definition at line 54 of file vf_hqdn3d.c.

Function Documentation

static int config_input ( AVFilterLink *  inlink  )  [static]

Definition at line 294 of file vf_hqdn3d.c.

static av_always_inline void denoise_depth ( HQDN3DContext *  hqdn3d,
uint8_t *  src,
uint8_t *  dst,
uint16_t *  line_ant,
uint16_t **  frame_ant_ptr,
int  w,
int  h,
int  sstride,
int  dstride,
int16_t *  spatial,
int16_t *  temporal,
int  depth 
) [static]

Definition at line 131 of file vf_hqdn3d.c.

static av_always_inline void denoise_spatial ( HQDN3DContext *  hqdn3d,
uint8_t *  src,
uint8_t *  dst,
uint16_t *  line_ant,
uint16_t *  frame_ant,
int  w,
int  h,
int  sstride,
int  dstride,
int16_t *  spatial,
int16_t *  temporal,
int  depth 
) [static]

Definition at line 87 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static av_always_inline void denoise_temporal ( uint8_t *  src,
uint8_t *  dst,
uint16_t *  frame_ant,
int  w,
int  h,
int  sstride,
int  dstride,
int16_t *  temporal,
int  depth 
) [static]

Definition at line 65 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static int end_frame ( AVFilterLink *  inlink  )  [static]

Definition at line 328 of file vf_hqdn3d.c.

void ff_hqdn3d_row_10_x86 ( uint8_t *  src,
uint8_t *  dst,
uint16_t *  line_ant,
uint16_t *  frame_ant,
ptrdiff_t  w,
int16_t *  spatial,
int16_t *  temporal 
)

Referenced by config_input().

void ff_hqdn3d_row_16_x86 ( uint8_t *  src,
uint8_t *  dst,
uint16_t *  line_ant,
uint16_t *  frame_ant,
ptrdiff_t  w,
int16_t *  spatial,
int16_t *  temporal 
)

Referenced by config_input().

void ff_hqdn3d_row_8_x86 ( uint8_t *  src,
uint8_t *  dst,
uint16_t *  line_ant,
uint16_t *  frame_ant,
ptrdiff_t  w,
int16_t *  spatial,
int16_t *  temporal 
)

Referenced by config_input().

void ff_hqdn3d_row_9_x86 ( uint8_t *  src,
uint8_t *  dst,
uint16_t *  line_ant,
uint16_t *  frame_ant,
ptrdiff_t  w,
int16_t *  spatial,
int16_t *  temporal 
)

Referenced by config_input().

static int init ( AVFilterContext *  ctx,
const char *  args 
) [static]

Definition at line 192 of file vf_hqdn3d.c.

static av_always_inline uint32_t lowpass ( int  prev,
int  cur,
int16_t *  coef,
int  depth 
) [static]

Definition at line 58 of file vf_hqdn3d.c.

Referenced by denoise_spatial(), and denoise_temporal().

static int null_draw_slice ( AVFilterLink *  link,
int  y,
int  h,
int  slice_dir 
) [static]

Definition at line 323 of file vf_hqdn3d.c.

static int16_t* precalc_coefs ( double  dist25,
int  depth 
) [static]

Definition at line 167 of file vf_hqdn3d.c.

Referenced by config_input().

static int query_formats ( AVFilterContext *  ctx  )  [static]

Definition at line 264 of file vf_hqdn3d.c.

static void uninit ( AVFilterContext *  ctx  )  [static]

Definition at line 250 of file vf_hqdn3d.c.

Variable Documentation

AVFilter avfilter_vf_hqdn3d

Initial value:

 {
    .name          = "hqdn3d",
    .description   = NULL_IF_CONFIG_SMALL("Apply a High Quality 3D Denoiser."),

    .priv_size     = sizeof(HQDN3DContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,

    .inputs    = (const AVFilterPad[]) {{ .name             = "default",
                                          .type             = AVMEDIA_TYPE_VIDEO,
                                          .start_frame      = ff_inplace_start_frame,
                                          .draw_slice       = null_draw_slice,
                                          .config_props     = config_input,
                                          .end_frame        = end_frame },
                                        { .name = NULL}},

    .outputs   = (const AVFilterPad[]) {{ .name             = "default",
                                          .type             = AVMEDIA_TYPE_VIDEO },
                                        { .name = NULL}},
}

Definition at line 351 of file vf_hqdn3d.c.

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