vf_vaguedenoiser.c File Reference

#include <float.h>
#include "libavutil/imgutils.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	VagueDenoiserContext

Macros
#define	OFFSET(x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
#define	NPAD   10

Functions
	AVFILTER_DEFINE_CLASS (vaguedenoiser)
static int	config_input (AVFilterLink *inlink)
static void	copy (const float *p1, float *p2, const int length)
static void	copyv (const float *p1, const int stride1, float *p2, const int length)
static void	copyh (const float *p1, float *p2, const int stride2, const int length)
static void	symmetric_extension (float *output, const int size, const int left_ext, const int right_ext)
static void	transform_step (float *input, float *output, const int size, const int low_size, VagueDenoiserContext *s)
static void	invert_step (const float *input, float *output, float *temp, const int size, VagueDenoiserContext *s)
static void	hard_thresholding (float *block, const int width, const int height, const int stride, const float threshold, const float percent)
static void	soft_thresholding (float *block, const int width, const int height, const int stride, const float threshold, const float percent)
static void	qian_thresholding (float *block, const int width, const int height, const int stride, const float threshold, const float percent)
static float	bayes_threshold (float *block, const int width, const int height, const int stride, const float threshold)
static void	filter (VagueDenoiserContext *s, AVFrame *in, AVFrame *out)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	vaguedenoiser_options []
static const float	analysis_low [9]
static const float	analysis_high [7]
static const float	synthesis_low [7]
static const float	synthesis_high [9]
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	vaguedenoiser_inputs []
const FFFilter	ff_vf_vaguedenoiser

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(VagueDenoiserContext, x)

Definition at line 66 of file vf_vaguedenoiser.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 67 of file vf_vaguedenoiser.c.

NPAD

#define NPAD   10

Definition at line 85 of file vf_vaguedenoiser.c.

Referenced by filter(), invert_step(), symmetric_extension(), and transform_step().

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

vaguedenoiser

)

config_input()

static int config_input ( AVFilterLink * inlink )

static

Definition at line 133 of file vf_vaguedenoiser.c.

copy()

static void copy ( const float * p1, float * p2, const int length )

inlinestatic

Definition at line 186 of file vf_vaguedenoiser.c.

Referenced by aarch64_collect_op(), av_bsf_source_add_packet(), av_buffersrc_add_frame_flags(), av_fifo_grow2(), bayer_to_rgb24_wrapper(), bayer_to_rgb48_wrapper(), bayer_to_yv12_wrapper(), build_headers(), cbs_clone_noncomplex_unit_content(), channel_layout_retype(), compile_backend(), copy_TMPL(), count_or_copy(), DECL_FUNC(), declare_fpel(), declare_fpel(), declare_fpel(), declare_fpel(), declare_fpel(), decode_tdlt(), ff_encode_reconf_parse_dict(), ff_jni_jstring_to_utf_chars(), ff_packet_list_put(), ff_sws_op_list_duplicate(), filter(), filter_frame(), flac_fifo_grow(), get_buffer(), init_thread(), intra_predict(), morpho_slice(), morpho_sliceX(), mov_write_pssh_tag(), print_passes(), qpeg_decode_intra(), register_all_uops(), register_op(), reinit_encoder(), rl2_rle_decode(), rle_compress(), rle_uncompress(), roq_decode_frame(), rtmp_write(), run_encryption_info_test(), run_encryption_init_info_test(), setup_curl(), shuffleplanes_filter_frame(), and subtitle_wrap_frame().

copyv()

static void copyv ( const float * p1, const int stride1, float * p2, const int length )

inlinestatic

Definition at line 191 of file vf_vaguedenoiser.c.

Referenced by filter().

copyh()

static void copyh ( const float * p1, float * p2, const int stride2, const int length )

inlinestatic

Definition at line 201 of file vf_vaguedenoiser.c.

Referenced by filter().

symmetric_extension()

static void symmetric_extension ( float * output, const int size, const int left_ext, const int right_ext )

static

Definition at line 217 of file vf_vaguedenoiser.c.

Referenced by invert_step(), and transform_step().

transform_step()

static void transform_step ( float * input, float * output, const int size, const int low_size, VagueDenoiserContext * s )

static

Definition at line 242 of file vf_vaguedenoiser.c.

Referenced by filter().

invert_step()

static void invert_step ( const float * input, float * output, float * temp, const int size, VagueDenoiserContext * s )

static

Definition at line 275 of file vf_vaguedenoiser.c.

Referenced by filter().

hard_thresholding()

static void hard_thresholding ( float * block, const int width, const int height, const int stride, const float threshold, const float percent )

static

Definition at line 330 of file vf_vaguedenoiser.c.

Referenced by init().

soft_thresholding()

static void soft_thresholding ( float * block, const int width, const int height, const int stride, const float threshold, const float percent )

static

Definition at line 346 of file vf_vaguedenoiser.c.

Referenced by init().

qian_thresholding()

static void qian_thresholding ( float * block, const int width, const int height, const int stride, const float threshold, const float percent )

static

Definition at line 365 of file vf_vaguedenoiser.c.

Referenced by init().

bayes_threshold()

static float bayes_threshold ( float * block, const int width, const int height, const int stride, const float threshold )

static

Definition at line 388 of file vf_vaguedenoiser.c.

Referenced by filter().

filter()

static void filter ( VagueDenoiserContext * s, AVFrame * in, AVFrame * out )

static

Definition at line 405 of file vf_vaguedenoiser.c.

filter_frame()

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

static

Definition at line 529 of file vf_vaguedenoiser.c.

init()

static av_cold int init ( AVFilterContext * ctx )

static

Definition at line 557 of file vf_vaguedenoiser.c.

uninit()

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 576 of file vf_vaguedenoiser.c.

Variable Documentation

vaguedenoiser_options

const AVOption vaguedenoiser_options[]

static

Initial value:

= {
    { "threshold", "set filtering strength",   OFFSET(threshold), AV_OPT_TYPE_FLOAT, {.dbl=2.},  0,DBL_MAX, FLAGS },
    { "method",    "set filtering method",     OFFSET(method),    AV_OPT_TYPE_INT,   {.i64=2 },  0, 2,      FLAGS, .unit = "method" },
        { "hard",   "hard thresholding",       0,                 AV_OPT_TYPE_CONST, {.i64=0},   0, 0,      FLAGS, .unit = "method" },
        { "soft",   "soft thresholding",       0,                 AV_OPT_TYPE_CONST, {.i64=1},   0, 0,      FLAGS, .unit = "method" },
        { "garrote", "garrote thresholding",   0,                 AV_OPT_TYPE_CONST, {.i64=2},   0, 0,      FLAGS, .unit = "method" },
    { "nsteps",    "set number of steps",      OFFSET(nsteps),    AV_OPT_TYPE_INT,   {.i64=6 },  1, 32,     FLAGS },
    { "percent", "set percent of full denoising", OFFSET(percent),AV_OPT_TYPE_FLOAT, {.dbl=85},  0,100,     FLAGS },
    { "planes",    "set planes to filter",     OFFSET(planes),    AV_OPT_TYPE_INT,   {.i64=15 }, 0, 15,     FLAGS },
    { "type",    "set threshold type",     OFFSET(type),          AV_OPT_TYPE_INT,   {.i64=0 },  0, 1,      FLAGS, .unit = "type" },
        { "universal",  "universal (VisuShrink)", 0,              AV_OPT_TYPE_CONST, {.i64=0},   0, 0,      FLAGS, .unit = "type" },
        { "bayes",      "bayes (BayesShrink)",    0,              AV_OPT_TYPE_CONST, {.i64=1},   0, 0,      FLAGS, .unit = "type" },
    { NULL }
}

Definition at line 68 of file vf_vaguedenoiser.c.

analysis_low

const float analysis_low[9]

static

Initial value:

= {
    0.037828455506995f, -0.023849465019380f, -0.110624404418423f, 0.377402855612654f,
    0.852698679009403f, 0.377402855612654f, -0.110624404418423f, -0.023849465019380f, 0.037828455506995f
}

Definition at line 87 of file vf_vaguedenoiser.c.

Referenced by transform_step().

analysis_high

const float analysis_high[7]

static

Initial value:

= {
    -0.064538882628938f, 0.040689417609558f, 0.418092273222212f, -0.788485616405664f,
    0.418092273222212f, 0.040689417609558f, -0.064538882628938f
}

Definition at line 92 of file vf_vaguedenoiser.c.

Referenced by transform_step().

synthesis_low

const float synthesis_low[7]

static

Initial value:

= {
    -0.064538882628938f, -0.040689417609558f, 0.418092273222212f, 0.788485616405664f,
    0.418092273222212f, -0.040689417609558f, -0.064538882628938f
}

Definition at line 97 of file vf_vaguedenoiser.c.

Referenced by invert_step().

synthesis_high

const float synthesis_high[9]

static

Initial value:

= {
    -0.037828455506995f, -0.023849465019380f, 0.110624404418423f, 0.377402855612654f,
    -0.852698679009403f, 0.377402855612654f, 0.110624404418423f, -0.023849465019380f, -0.037828455506995f
}

Definition at line 102 of file vf_vaguedenoiser.c.

Referenced by invert_step().

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10,
    AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
    AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
    AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
    AV_PIX_FMT_YUVJ411P,
    AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
    AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV440P10,
    AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
    AV_PIX_FMT_YUV440P12,
    AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
    AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_YUVA420P,  AV_PIX_FMT_YUVA422P,   AV_PIX_FMT_YUVA444P,
    AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
    AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
    AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
    AV_PIX_FMT_GBRAP,     AV_PIX_FMT_GBRAP10,    AV_PIX_FMT_GBRAP12,    AV_PIX_FMT_GBRAP16,
    AV_PIX_FMT_NONE
}

Definition at line 107 of file vf_vaguedenoiser.c.

vaguedenoiser_inputs

const AVFilterPad vaguedenoiser_inputs[]

static

Initial value:

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

Definition at line 586 of file vf_vaguedenoiser.c.

ff_vf_vaguedenoiser

const FFFilter ff_vf_vaguedenoiser

Initial value:

= {
    .p.name        = "vaguedenoiser",
    .p.description = NULL_IF_CONFIG_SMALL("Apply a Wavelet based Denoiser."),
    .p.priv_class  = &vaguedenoiser_class,
    .p.flags       = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
    .priv_size     = sizeof(VagueDenoiserContext),
    .init          = init,
    .uninit        = uninit,
    FILTER_INPUTS(vaguedenoiser_inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
}

Definition at line 596 of file vf_vaguedenoiser.c.