vf_owdenoise.c File Reference

#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	OWDenoiseContext

Macros
#define	OFFSET(x)   offsetof(OWDenoiseContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
	AVFILTER_DEFINE_CLASS (owdenoise)
static int	mirror (int x, int w)
static void	decompose (float *dst_l, float *dst_h, const float *src, int linesize, int w)
static void	compose (float *dst, const float *src_l, const float *src_h, int linesize, int w)
static void	decompose2D (float *dst_l, float *dst_h, const float *src, int xlinesize, int ylinesize, int step, int w, int h)
static void	compose2D (float *dst, const float *src_l, const float *src_h, int xlinesize, int ylinesize, int step, int w, int h)
static void	decompose2D2 (float *dst[4], float *src, float *temp[2], int linesize, int step, int w, int h)
static void	compose2D2 (float *dst, float *src[4], float *temp[2], int linesize, int step, int w, int h)
static void	filter (OWDenoiseContext *s, uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int width, int height, double strength)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	query_formats (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	owdenoise_options []
static const uint8_t	dither [8][8]
static const double	coeff [2][5]
static const double	icoeff [2][5]
static const AVFilterPad	owdenoise_inputs []
static const AVFilterPad	owdenoise_outputs []
AVFilter	ff_vf_owdenoise

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(OWDenoiseContext, x)

Definition at line 47 of file vf_owdenoise.c.

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 48 of file vf_owdenoise.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

owdenoise

)

static int mirror ( int  x, int  w  )

inlinestatic

Definition at line 101 of file vf_owdenoise.c.

Referenced by compose(), and decompose().

static void decompose ( float *  dst_l, float *  dst_h, const float *  src, int  linesize, int  w  )

inlinestatic

Definition at line 111 of file vf_owdenoise.c.

Referenced by decompose2D().

static void compose ( float *  dst, const float *  src_l, const float *  src_h, int  linesize, int  w  )

inlinestatic

Definition at line 130 of file vf_owdenoise.c.

Referenced by compose2D().

static void decompose2D ( float *  dst_l, float *  dst_h, const float *  src, int  xlinesize, int  ylinesize, int  step, int  w, int  h  )

inlinestatic

Definition at line 148 of file vf_owdenoise.c.

Referenced by decompose2D2().

static void compose2D ( float *  dst, const float *  src_l, const float *  src_h, int  xlinesize, int  ylinesize, int  step, int  w, int  h  )

inlinestatic

Definition at line 161 of file vf_owdenoise.c.

Referenced by compose2D2().

static void decompose2D2 ( float *  dst[4], float *  src, float *  temp[2], int  linesize, int  step, int  w, int  h  )

static

Definition at line 174 of file vf_owdenoise.c.

Referenced by filter().

static void compose2D2 ( float *  dst, float *  src[4], float *  temp[2], int  linesize, int  step, int  w, int  h  )

static

Definition at line 182 of file vf_owdenoise.c.

Referenced by filter().

static void filter ( OWDenoiseContext *  s, uint8_t *  dst, int  dst_linesize, const uint8_t *  src, int  src_linesize, int  width, int  height, double  strength  )

static

Definition at line 190 of file vf_owdenoise.c.

Referenced by filter_frame().

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  in  )

static

Definition at line 232 of file vf_owdenoise.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 269 of file vf_owdenoise.c.

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 283 of file vf_owdenoise.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 304 of file vf_owdenoise.c.

Variable Documentation

const AVOption owdenoise_options[]

static

Initial value:

= {
    { "depth",           "set depth",           OFFSET(depth),           AV_OPT_TYPE_INT,    {.i64 =   8}, 8,   16, FLAGS },
    { "luma_strength",   "set luma strength",   OFFSET(luma_strength),   AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
    { "ls",              "set luma strength",   OFFSET(luma_strength),   AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
    { "chroma_strength", "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
    { "cs",              "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
    { NULL }
}

Definition at line 49 of file vf_owdenoise.c.

const uint8_t dither[8][8]

static

Initial value:

= {
    {  0,  48,  12,  60,   3,  51,  15,  63 },
    { 32,  16,  44,  28,  35,  19,  47,  31 },
    {  8,  56,   4,  52,  11,  59,   7,  55 },
    { 40,  24,  36,  20,  43,  27,  39,  23 },
    {  2,  50,  14,  62,   1,  49,  13,  61 },
    { 34,  18,  46,  30,  33,  17,  45,  29 },
    { 10,  58,   6,  54,   9,  57,   5,  53 },
    { 42,  26,  38,  22,  41,  25,  37,  21 },
}

Definition at line 60 of file vf_owdenoise.c.

Referenced by filter().

const double coeff[2][5]

static

Initial value:

= {
    {
         0.6029490182363579  * M_SQRT2,
         0.2668641184428723  * M_SQRT2,
        -0.07822326652898785 * M_SQRT2,
        -0.01686411844287495 * M_SQRT2,
         0.02674875741080976 * M_SQRT2,
    },{
         1.115087052456994   / M_SQRT2,
        -0.5912717631142470  / M_SQRT2,
        -0.05754352622849957 / M_SQRT2,
         0.09127176311424948 / M_SQRT2,
    }
}

Definition at line 71 of file vf_owdenoise.c.

Referenced by adpcm_decode_frame(), coeff_unpack_arith(), coeff_unpack_golomb(), copy_TMPL(), dca_parse_audio_coding_header(), dct_quantize_refine(), dct_quantize_trellis_c(), decode_block(), decode_block_coeffs_internal(), decode_channel(), decode_subblock1(), decompose(), encode_block(), ff_eac3_apply_spectral_extension(), ff_lpc_calc_coefs(), get_block(), get_coeff(), init_dequantizer(), init_pass2(), initFilter(), mlp_filter_channel(), psy_3gpp_init(), unpack_coeffs(), unpack_vlcs(), vlc_decode_block(), vp5_parse_coeff(), vp6_parse_coeff(), and vp6_parse_coeff_huffman().

const double icoeff[2][5]

static

Initial value:

= {
    {
         1.115087052456994   / M_SQRT2,
         0.5912717631142470  / M_SQRT2,
        -0.05754352622849957 / M_SQRT2,
        -0.09127176311424948 / M_SQRT2,
    },{
         0.6029490182363579  * M_SQRT2,
        -0.2668641184428723  * M_SQRT2,
        -0.07822326652898785 * M_SQRT2,
         0.01686411844287495 * M_SQRT2,
         0.02674875741080976 * M_SQRT2,
    }
}

Definition at line 86 of file vf_owdenoise.c.

Referenced by compose().

const AVFilterPad owdenoise_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
        .config_props = config_input,
    },
    { NULL }
}

Definition at line 314 of file vf_owdenoise.c.

const AVFilterPad owdenoise_outputs[]

static

Initial value:

= {
     {
         .name = "default",
         .type = AVMEDIA_TYPE_VIDEO,
     },
     { NULL }
}

Definition at line 324 of file vf_owdenoise.c.

AVFilter ff_vf_owdenoise

Initial value:

= {
    .name          = "owdenoise",
    .description   = NULL_IF_CONFIG_SMALL("Denoise using wavelets."),
    .priv_size     = sizeof(OWDenoiseContext),
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = owdenoise_inputs,
    .outputs       = owdenoise_outputs,
    .priv_class    = &owdenoise_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 332 of file vf_owdenoise.c.