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vf_hqdn3d.c File Reference

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

#include <float.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "vf_hqdn3d.h"

Go to the source code of this file.

Macros

#define LUT_BITS   (depth==16 ? 8 : 4)
 
#define LOAD(x)
 
#define STORE(x, val)
 
#define denoise(...)
 
#define PARAM1_DEFAULT   4.0
 
#define PARAM2_DEFAULT   3.0
 
#define PARAM3_DEFAULT   6.0
 
#define OFFSET(x)   offsetof(HQDN3DContext, x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
 

Functions

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 *s, 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 int denoise_depth (HQDN3DContext *s, 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 av_cold int init (AVFilterContext *ctx)
 
static av_cold void uninit (AVFilterContext *ctx)
 
static int query_formats (AVFilterContext *ctx)
 
static int config_input (AVFilterLink *inlink)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 
 AVFILTER_DEFINE_CLASS (hqdn3d)
 

Variables

static const AVOption hqdn3d_options []
 
static const AVFilterPad avfilter_vf_hqdn3d_inputs []
 
static const AVFilterPad avfilter_vf_hqdn3d_outputs []
 
AVFilter ff_vf_hqdn3d
 

Detailed Description

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

Definition in file vf_hqdn3d.c.

Macro Definition Documentation

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

Definition at line 44 of file vf_hqdn3d.c.

Referenced by denoise_spatial(), denoise_temporal(), lowpass(), and precalc_coefs().

#define LOAD (   x)
Value:
(((depth == 8 ? src[x] : AV_RN16A(src + (x) * 2)) << (16 - depth))\
+ (((1 << (16 - depth)) - 1) >> 1))
depth
int depth
Definition: v4l.c:62
src
AVS_Value src
Definition: avisynth_c.h:482
AV_RN16A
#define AV_RN16A(p)
Definition: intreadwrite.h:522

Definition at line 45 of file vf_hqdn3d.c.

Referenced by denoise_depth(), denoise_spatial(), and denoise_temporal().

#define STORE (   x,
  val 
)
Value:
(depth == 8 ? dst[x] = (val) >> (16 - depth) : \
AV_WN16A(dst + (x) * 2, (val) >> (16 - depth)))
val
const char const char void * val
Definition: avisynth_c.h:634
depth
int depth
Definition: v4l.c:62
AV_WN16A
#define AV_WN16A(p, v)
Definition: intreadwrite.h:534

Definition at line 47 of file vf_hqdn3d.c.

Referenced by denoise_spatial(), and denoise_temporal().

#define denoise (   ...)
Value:
do { \
int ret = AVERROR_BUG; \
switch (s->depth) { \
case 8: ret = denoise_depth(__VA_ARGS__, 8); break; \
case 9: ret = denoise_depth(__VA_ARGS__, 9); break; \
case 10: ret = denoise_depth(__VA_ARGS__, 10); break; \
case 16: ret = denoise_depth(__VA_ARGS__, 16); break; \
} \
if (ret < 0) { \
av_frame_free(&out); \
if (!direct) \
av_frame_free(&in); \
return ret; \
} \
} while (0)
s
const char * s
Definition: avisynth_c.h:631
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:148
return
return
Definition: audio_convert.c:415
denoise_depth
static av_always_inline int denoise_depth(HQDN3DContext *s, 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)
Definition: vf_hqdn3d.c:124
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
Definition: audio_convert.c:194
AVERROR_BUG
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
if
if(ret< 0)
Definition: vf_mcdeint.c:280
out
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
Definition: audio_convert.c:194

Definition at line 156 of file vf_hqdn3d.c.

Referenced by filter_frame().

#define PARAM1_DEFAULT   4.0

Definition at line 194 of file vf_hqdn3d.c.

Referenced by init().

#define PARAM2_DEFAULT   3.0

Definition at line 195 of file vf_hqdn3d.c.

Referenced by init().

#define PARAM3_DEFAULT   6.0

Definition at line 196 of file vf_hqdn3d.c.

Referenced by init().

#define OFFSET (   x)    offsetof(HQDN3DContext, x)

Definition at line 332 of file vf_hqdn3d.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 333 of file vf_hqdn3d.c.

Function Documentation

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

Definition at line 51 of file vf_hqdn3d.c.

Referenced by denoise_spatial(), and denoise_temporal().

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 58 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static av_always_inline void denoise_spatial ( HQDN3DContext *  s,
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 80 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static av_always_inline int denoise_depth ( HQDN3DContext *  s,
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 124 of file vf_hqdn3d.c.

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

Definition at line 173 of file vf_hqdn3d.c.

Referenced by config_input().

static av_cold int init ( AVFilterContext *  ctx)
static

Definition at line 198 of file vf_hqdn3d.c.

static av_cold void uninit ( AVFilterContext *  ctx)
static

Definition at line 218 of file vf_hqdn3d.c.

Referenced by config_input().

static int query_formats ( AVFilterContext *  ctx)
static

Definition at line 232 of file vf_hqdn3d.c.

static int config_input ( AVFilterLink *  inlink)
static

Definition at line 262 of file vf_hqdn3d.c.

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

Definition at line 290 of file vf_hqdn3d.c.

AVFILTER_DEFINE_CLASS ( hqdn3d  )

Variable Documentation

const AVOption hqdn3d_options[]
static
Initial value:
= {
{ "luma_spatial", "spatial luma strength", OFFSET(strength[LUMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
{ "chroma_spatial", "spatial chroma strength", OFFSET(strength[CHROMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
{ "luma_tmp", "temporal luma strength", OFFSET(strength[LUMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
{ "chroma_tmp", "temporal chroma strength", OFFSET(strength[CHROMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
{ NULL }
}
NULL
#define NULL
Definition: coverity.c:32
LUMA_SPATIAL
#define LUMA_SPATIAL
Definition: vf_hqdn3d.h:42
FLAGS
#define FLAGS
Definition: vf_hqdn3d.c:333
CHROMA_SPATIAL
#define CHROMA_SPATIAL
Definition: vf_hqdn3d.h:44
OFFSET
#define OFFSET(x)
Definition: vf_hqdn3d.c:332
AV_OPT_TYPE_DOUBLE
Definition: opt.h:225
LUMA_TMP
#define LUMA_TMP
Definition: vf_hqdn3d.h:43
CHROMA_TMP
#define CHROMA_TMP
Definition: vf_hqdn3d.h:45

Definition at line 334 of file vf_hqdn3d.c.

const AVFilterPad avfilter_vf_hqdn3d_inputs[]
static
Initial value:
= {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_input,
.filter_frame = filter_frame,
},
{ NULL }
}
NULL
#define NULL
Definition: coverity.c:32
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_hqdn3d.c:262
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_hqdn3d.c:290
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:193

Definition at line 344 of file vf_hqdn3d.c.

const AVFilterPad avfilter_vf_hqdn3d_outputs[]
static
Initial value:
= {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO
},
{ NULL }
}
NULL
#define NULL
Definition: coverity.c:32
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:193

Definition at line 355 of file vf_hqdn3d.c.

AVFilter ff_vf_hqdn3d
Initial value:
= {
.name = "hqdn3d",
.description = NULL_IF_CONFIG_SMALL("Apply a High Quality 3D Denoiser."),
.priv_size = sizeof(HQDN3DContext),
.priv_class = &hqdn3d_class,
.init = init,
.uninit = uninit,
.query_formats = query_formats,
.inputs = avfilter_vf_hqdn3d_inputs,
.outputs = avfilter_vf_hqdn3d_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
}
avfilter_vf_hqdn3d_inputs
static const AVFilterPad avfilter_vf_hqdn3d_inputs[]
Definition: vf_hqdn3d.c:344
avfilter_vf_hqdn3d_outputs
static const AVFilterPad avfilter_vf_hqdn3d_outputs[]
Definition: vf_hqdn3d.c:355
outputs
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:248
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
inputs
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:239
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:459
flags
static int flags
Definition: cpu.c:47
init
static av_cold int init(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:198
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:218
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_hqdn3d.c:232

Definition at line 363 of file vf_hqdn3d.c.

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