FFmpeg  4.4.4
vf_owdenoise.c
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1 /*
2  * Copyright (c) 2007 Michael Niedermayer <michaelni@gmx.at>
3  * Copyright (c) 2013 Clément Bœsch <u pkh me>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21 
22 /**
23  * @todo try to change to int
24  * @todo try lifting based implementation
25  * @todo optimize optimize optimize
26  * @todo hard thresholding
27  * @todo use QP to decide filter strength
28  * @todo wavelet normalization / least squares optimal signal vs. noise thresholds
29  */
30 
31 #include "libavutil/imgutils.h"
32 #include "libavutil/opt.h"
33 #include "libavutil/mem_internal.h"
34 #include "libavutil/pixdesc.h"
35 #include "avfilter.h"
36 #include "internal.h"
37 
38 typedef struct OWDenoiseContext {
39  const AVClass *class;
40  double luma_strength;
42  int depth;
43  float *plane[16+1][4];
44  int linesize;
45  int hsub, vsub;
48 
49 #define OFFSET(x) offsetof(OWDenoiseContext, x)
50 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
51 static const AVOption owdenoise_options[] = {
52  { "depth", "set depth", OFFSET(depth), AV_OPT_TYPE_INT, {.i64 = 8}, 8, 16, FLAGS },
53  { "luma_strength", "set luma strength", OFFSET(luma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
54  { "ls", "set luma strength", OFFSET(luma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
55  { "chroma_strength", "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
56  { "cs", "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
57  { NULL }
58 };
59 
61 
62 DECLARE_ALIGNED(8, static const uint8_t, dither)[8][8] = {
63  { 0, 48, 12, 60, 3, 51, 15, 63 },
64  { 32, 16, 44, 28, 35, 19, 47, 31 },
65  { 8, 56, 4, 52, 11, 59, 7, 55 },
66  { 40, 24, 36, 20, 43, 27, 39, 23 },
67  { 2, 50, 14, 62, 1, 49, 13, 61 },
68  { 34, 18, 46, 30, 33, 17, 45, 29 },
69  { 10, 58, 6, 54, 9, 57, 5, 53 },
70  { 42, 26, 38, 22, 41, 25, 37, 21 },
71 };
72 
73 static const double coeff[2][5] = {
74  {
75  0.6029490182363579 * M_SQRT2,
76  0.2668641184428723 * M_SQRT2,
77  -0.07822326652898785 * M_SQRT2,
78  -0.01686411844287495 * M_SQRT2,
79  0.02674875741080976 * M_SQRT2,
80  },{
81  1.115087052456994 / M_SQRT2,
82  -0.5912717631142470 / M_SQRT2,
83  -0.05754352622849957 / M_SQRT2,
84  0.09127176311424948 / M_SQRT2,
85  }
86 };
87 
88 static const double icoeff[2][5] = {
89  {
90  1.115087052456994 / M_SQRT2,
91  0.5912717631142470 / M_SQRT2,
92  -0.05754352622849957 / M_SQRT2,
93  -0.09127176311424948 / M_SQRT2,
94  },{
95  0.6029490182363579 * M_SQRT2,
96  -0.2668641184428723 * M_SQRT2,
97  -0.07822326652898785 * M_SQRT2,
98  0.01686411844287495 * M_SQRT2,
99  0.02674875741080976 * M_SQRT2,
100  }
101 };
102 
103 
104 static inline void decompose(float *dst_l, float *dst_h, const float *src,
105  int linesize, int w)
106 {
107  int x, i;
108  for (x = 0; x < w; x++) {
109  double sum_l = src[x * linesize] * coeff[0][0];
110  double sum_h = src[x * linesize] * coeff[1][0];
111  for (i = 1; i <= 4; i++) {
112  const double s = src[avpriv_mirror(x - i, w - 1) * linesize]
113  + src[avpriv_mirror(x + i, w - 1) * linesize];
114 
115  sum_l += coeff[0][i] * s;
116  sum_h += coeff[1][i] * s;
117  }
118  dst_l[x * linesize] = sum_l;
119  dst_h[x * linesize] = sum_h;
120  }
121 }
122 
123 static inline void compose(float *dst, const float *src_l, const float *src_h,
124  int linesize, int w)
125 {
126  int x, i;
127  for (x = 0; x < w; x++) {
128  double sum_l = src_l[x * linesize] * icoeff[0][0];
129  double sum_h = src_h[x * linesize] * icoeff[1][0];
130  for (i = 1; i <= 4; i++) {
131  const int x0 = avpriv_mirror(x - i, w - 1) * linesize;
132  const int x1 = avpriv_mirror(x + i, w - 1) * linesize;
133 
134  sum_l += icoeff[0][i] * (src_l[x0] + src_l[x1]);
135  sum_h += icoeff[1][i] * (src_h[x0] + src_h[x1]);
136  }
137  dst[x * linesize] = (sum_l + sum_h) * 0.5;
138  }
139 }
140 
141 static inline void decompose2D(float *dst_l, float *dst_h, const float *src,
142  int xlinesize, int ylinesize,
143  int step, int w, int h)
144 {
145  int y, x;
146  for (y = 0; y < h; y++)
147  for (x = 0; x < step; x++)
148  decompose(dst_l + ylinesize*y + xlinesize*x,
149  dst_h + ylinesize*y + xlinesize*x,
150  src + ylinesize*y + xlinesize*x,
151  step * xlinesize, (w - x + step - 1) / step);
152 }
153 
154 static inline void compose2D(float *dst, const float *src_l, const float *src_h,
155  int xlinesize, int ylinesize,
156  int step, int w, int h)
157 {
158  int y, x;
159  for (y = 0; y < h; y++)
160  for (x = 0; x < step; x++)
161  compose(dst + ylinesize*y + xlinesize*x,
162  src_l + ylinesize*y + xlinesize*x,
163  src_h + ylinesize*y + xlinesize*x,
164  step * xlinesize, (w - x + step - 1) / step);
165 }
166 
167 static void decompose2D2(float *dst[4], float *src, float *temp[2],
168  int linesize, int step, int w, int h)
169 {
170  decompose2D(temp[0], temp[1], src, 1, linesize, step, w, h);
171  decompose2D( dst[0], dst[1], temp[0], linesize, 1, step, h, w);
172  decompose2D( dst[2], dst[3], temp[1], linesize, 1, step, h, w);
173 }
174 
175 static void compose2D2(float *dst, float *src[4], float *temp[2],
176  int linesize, int step, int w, int h)
177 {
178  compose2D(temp[0], src[0], src[1], linesize, 1, step, h, w);
179  compose2D(temp[1], src[2], src[3], linesize, 1, step, h, w);
180  compose2D(dst, temp[0], temp[1], 1, linesize, step, w, h);
181 }
182 
183 static void filter(OWDenoiseContext *s,
184  uint8_t *dst, int dst_linesize,
185  const uint8_t *src, int src_linesize,
186  int width, int height, double strength)
187 {
188  int x, y, i, j, depth = s->depth;
189 
190  while (1<<depth > width || 1<<depth > height)
191  depth--;
192 
193  if (s->pixel_depth <= 8) {
194  for (y = 0; y < height; y++)
195  for(x = 0; x < width; x++)
196  s->plane[0][0][y*s->linesize + x] = src[y*src_linesize + x];
197  } else {
198  const uint16_t *src16 = (const uint16_t *)src;
199 
200  src_linesize /= 2;
201  for (y = 0; y < height; y++)
202  for(x = 0; x < width; x++)
203  s->plane[0][0][y*s->linesize + x] = src16[y*src_linesize + x];
204  }
205 
206  for (i = 0; i < depth; i++)
207  decompose2D2(s->plane[i + 1], s->plane[i][0], s->plane[0] + 1, s->linesize, 1<<i, width, height);
208 
209  for (i = 0; i < depth; i++) {
210  for (j = 1; j < 4; j++) {
211  for (y = 0; y < height; y++) {
212  for (x = 0; x < width; x++) {
213  double v = s->plane[i + 1][j][y*s->linesize + x];
214  if (v > strength) v -= strength;
215  else if (v < -strength) v += strength;
216  else v = 0;
217  s->plane[i + 1][j][x + y*s->linesize] = v;
218  }
219  }
220  }
221  }
222  for (i = depth-1; i >= 0; i--)
223  compose2D2(s->plane[i][0], s->plane[i + 1], s->plane[0] + 1, s->linesize, 1<<i, width, height);
224 
225  if (s->pixel_depth <= 8) {
226  for (y = 0; y < height; y++) {
227  for (x = 0; x < width; x++) {
228  i = s->plane[0][0][y*s->linesize + x] + dither[x&7][y&7]*(1.0/64) + 1.0/128; // yes the rounding is insane but optimal :)
229  if ((unsigned)i > 255U) i = ~(i >> 31);
230  dst[y*dst_linesize + x] = i;
231  }
232  }
233  } else {
234  uint16_t *dst16 = (uint16_t *)dst;
235 
236  dst_linesize /= 2;
237  for (y = 0; y < height; y++) {
238  for (x = 0; x < width; x++) {
239  i = s->plane[0][0][y*s->linesize + x];
240  dst16[y*dst_linesize + x] = i;
241  }
242  }
243  }
244 }
245 
246 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
247 {
248  AVFilterContext *ctx = inlink->dst;
249  OWDenoiseContext *s = ctx->priv;
250  AVFilterLink *outlink = ctx->outputs[0];
251  AVFrame *out;
252  const int cw = AV_CEIL_RSHIFT(inlink->w, s->hsub);
253  const int ch = AV_CEIL_RSHIFT(inlink->h, s->vsub);
254 
255  if (av_frame_is_writable(in)) {
256  out = in;
257 
258  if (s->luma_strength > 0)
259  filter(s, out->data[0], out->linesize[0], in->data[0], in->linesize[0], inlink->w, inlink->h, s->luma_strength);
260  if (s->chroma_strength > 0) {
261  filter(s, out->data[1], out->linesize[1], in->data[1], in->linesize[1], cw, ch, s->chroma_strength);
262  filter(s, out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, s->chroma_strength);
263  }
264  } else {
265  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
266  if (!out) {
267  av_frame_free(&in);
268  return AVERROR(ENOMEM);
269  }
271 
272  if (s->luma_strength > 0) {
273  filter(s, out->data[0], out->linesize[0], in->data[0], in->linesize[0], inlink->w, inlink->h, s->luma_strength);
274  } else {
275  av_image_copy_plane(out->data[0], out->linesize[0], in ->data[0], in ->linesize[0], inlink->w, inlink->h);
276  }
277  if (s->chroma_strength > 0) {
278  filter(s, out->data[1], out->linesize[1], in->data[1], in->linesize[1], cw, ch, s->chroma_strength);
279  filter(s, out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, s->chroma_strength);
280  } else {
281  av_image_copy_plane(out->data[1], out->linesize[1], in ->data[1], in ->linesize[1], inlink->w, inlink->h);
282  av_image_copy_plane(out->data[2], out->linesize[2], in ->data[2], in ->linesize[2], inlink->w, inlink->h);
283  }
284 
285  if (in->data[3])
286  av_image_copy_plane(out->data[3], out->linesize[3],
287  in ->data[3], in ->linesize[3],
288  inlink->w, inlink->h);
289  av_frame_free(&in);
290  }
291 
292  return ff_filter_frame(outlink, out);
293 }
294 
296 {
297  static const enum AVPixelFormat pix_fmts[] = {
311  };
313  if (!fmts_list)
314  return AVERROR(ENOMEM);
315  return ff_set_common_formats(ctx, fmts_list);
316 }
317 
318 static int config_input(AVFilterLink *inlink)
319 {
320  int i, j;
321  OWDenoiseContext *s = inlink->dst->priv;
323  const int h = FFALIGN(inlink->h, 16);
324 
325  s->hsub = desc->log2_chroma_w;
326  s->vsub = desc->log2_chroma_h;
327  s->pixel_depth = desc->comp[0].depth;
328 
329  s->linesize = FFALIGN(inlink->w, 16);
330  for (j = 0; j < 4; j++) {
331  for (i = 0; i <= s->depth; i++) {
332  s->plane[i][j] = av_malloc_array(s->linesize, h * sizeof(s->plane[0][0][0]));
333  if (!s->plane[i][j])
334  return AVERROR(ENOMEM);
335  }
336  }
337  return 0;
338 }
339 
341 {
342  int i, j;
343  OWDenoiseContext *s = ctx->priv;
344 
345  for (j = 0; j < 4; j++)
346  for (i = 0; i <= s->depth; i++)
347  av_freep(&s->plane[i][j]);
348 }
349 
350 static const AVFilterPad owdenoise_inputs[] = {
351  {
352  .name = "default",
353  .type = AVMEDIA_TYPE_VIDEO,
354  .filter_frame = filter_frame,
355  .config_props = config_input,
356  },
357  { NULL }
358 };
359 
360 static const AVFilterPad owdenoise_outputs[] = {
361  {
362  .name = "default",
363  .type = AVMEDIA_TYPE_VIDEO,
364  },
365  { NULL }
366 };
367 
369  .name = "owdenoise",
370  .description = NULL_IF_CONFIG_SMALL("Denoise using wavelets."),
371  .priv_size = sizeof(OWDenoiseContext),
372  .uninit = uninit,
376  .priv_class = &owdenoise_class,
378 };
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define av_cold
Definition: attributes.h:88
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;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);return NULL;} return ac;} 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;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->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);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
uint8_t
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1096
Main libavfilter public API header.
#define flags(name, subs,...)
Definition: cbs_av1.c:561
#define s(width, name)
Definition: cbs_vp9.c:257
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
#define NULL
Definition: coverity.c:32
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:587
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_DOUBLE
Definition: opt.h:227
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:126
#define AVERROR(e)
Definition: error.h:43
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:594
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:658
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:117
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
Definition: imgutils.c:373
misc image utilities
int i
Definition: input.c:407
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static av_always_inline av_const int avpriv_mirror(int x, int w)
Definition: internal.h:269
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
const char * desc
Definition: libsvtav1.c:79
uint8_t w
Definition: llviddspenc.c:39
#define FFALIGN(x, a)
Definition: macros.h:48
#define M_SQRT2
Definition: mathematics.h:61
AVOptions.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:410
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:405
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:407
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:408
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:411
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:401
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:409
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:412
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
Describe the class of an AVClass context structure.
Definition: log.h:67
An instance of a filter.
Definition: avfilter.h:341
void * priv
private data for use by the filter
Definition: avfilter.h:356
A list of supported formats for one end of a filter link.
Definition: formats.h:65
A filter pad used for either input or output.
Definition: internal.h:54
const char * name
Pad name.
Definition: internal.h:60
Filter definition.
Definition: avfilter.h:145
const char * name
Filter name.
Definition: avfilter.h:149
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
AVOption.
Definition: opt.h:248
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
float * plane[16+1][4]
Definition: vf_owdenoise.c:43
double chroma_strength
Definition: vf_owdenoise.c:41
double luma_strength
Definition: vf_owdenoise.c:40
#define av_malloc_array(a, b)
#define av_freep(p)
#define src
Definition: vp8dsp.c:255
FILE * out
Definition: movenc.c:54
AVFormatContext * ctx
Definition: movenc.c:48
#define height
#define width
else temp
Definition: vf_mcdeint.c:259
static void decompose2D(float *dst_l, float *dst_h, const float *src, int xlinesize, int ylinesize, int step, int w, int h)
Definition: vf_owdenoise.c:141
static void decompose2D2(float *dst[4], float *src, float *temp[2], int linesize, int step, int w, int h)
Definition: vf_owdenoise.c:167
static void compose2D(float *dst, const float *src_l, const float *src_h, int xlinesize, int ylinesize, int step, int w, int h)
Definition: vf_owdenoise.c:154
static void filter(OWDenoiseContext *s, uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int width, int height, double strength)
Definition: vf_owdenoise.c:183
static const AVFilterPad owdenoise_inputs[]
Definition: vf_owdenoise.c:350
static const double coeff[2][5]
Definition: vf_owdenoise.c:73
static int query_formats(AVFilterContext *ctx)
Definition: vf_owdenoise.c:295
static void compose2D2(float *dst, float *src[4], float *temp[2], int linesize, int step, int w, int h)
Definition: vf_owdenoise.c:175
static void compose(float *dst, const float *src_l, const float *src_h, int linesize, int w)
Definition: vf_owdenoise.c:123
static int config_input(AVFilterLink *inlink)
Definition: vf_owdenoise.c:318
static const AVOption owdenoise_options[]
Definition: vf_owdenoise.c:51
#define FLAGS
Definition: vf_owdenoise.c:50
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_owdenoise.c:246
AVFILTER_DEFINE_CLASS(owdenoise)
AVFilter ff_vf_owdenoise
Definition: vf_owdenoise.c:368
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_owdenoise.c:340
static const double icoeff[2][5]
Definition: vf_owdenoise.c:88
static const uint8_t dither[8][8]
Definition: vf_owdenoise.c:62
static const AVFilterPad owdenoise_outputs[]
Definition: vf_owdenoise.c:360
#define OFFSET(x)
Definition: vf_owdenoise.c:49
static void decompose(float *dst_l, float *dst_h, const float *src, int linesize, int w)
Definition: vf_owdenoise.c:104
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104