FFmpeg
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 // The code written by Michael Niedermayer in 70024b6b47b9eacfe01e8f92349ca9bf1ccd7d5a:libavfilter/vf_owdenoise.c
23 // can also be used under the LGPL due to:
24 // <michaelni> durandal_1707, if you do all the "todo" points from vf_owdenoise.c that are in that file since 2013 then sure i would be more than happy to relicense my part of it to LGPL
25 // <durandal_1707> michaelni: first relicense than work
26 
27 /**
28  * @todo try to change to int
29  * @todo try lifting based implementation
30  * @todo optimize optimize optimize
31  * @todo hard thresholding
32  * @todo use QP to decide filter strength
33  * @todo wavelet normalization / least squares optimal signal vs. noise thresholds
34  */
35 
36 #include "libavutil/imgutils.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/mem_internal.h"
39 #include "libavutil/pixdesc.h"
40 #include "avfilter.h"
41 #include "internal.h"
42 #include "video.h"
43 
44 typedef struct OWDenoiseContext {
45  const AVClass *class;
46  double luma_strength;
48  int depth;
49  float *plane[16+1][4];
50  int linesize;
51  int hsub, vsub;
54 
55 #define OFFSET(x) offsetof(OWDenoiseContext, x)
56 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
57 static const AVOption owdenoise_options[] = {
58  { "depth", "set depth", OFFSET(depth), AV_OPT_TYPE_INT, {.i64 = 8}, 8, 16, FLAGS },
59  { "luma_strength", "set luma strength", OFFSET(luma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
60  { "ls", "set luma strength", OFFSET(luma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
61  { "chroma_strength", "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
62  { "cs", "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
63  { NULL }
64 };
65 
66 AVFILTER_DEFINE_CLASS(owdenoise);
67 
68 DECLARE_ALIGNED(8, static const uint8_t, dither)[8][8] = {
69  { 0, 48, 12, 60, 3, 51, 15, 63 },
70  { 32, 16, 44, 28, 35, 19, 47, 31 },
71  { 8, 56, 4, 52, 11, 59, 7, 55 },
72  { 40, 24, 36, 20, 43, 27, 39, 23 },
73  { 2, 50, 14, 62, 1, 49, 13, 61 },
74  { 34, 18, 46, 30, 33, 17, 45, 29 },
75  { 10, 58, 6, 54, 9, 57, 5, 53 },
76  { 42, 26, 38, 22, 41, 25, 37, 21 },
77 };
78 
79 static const double coeff[2][5] = {
80  {
81  0.6029490182363579 * M_SQRT2,
82  0.2668641184428723 * M_SQRT2,
83  -0.07822326652898785 * M_SQRT2,
84  -0.01686411844287495 * M_SQRT2,
85  0.02674875741080976 * M_SQRT2,
86  },{
87  1.115087052456994 / M_SQRT2,
88  -0.5912717631142470 / M_SQRT2,
89  -0.05754352622849957 / M_SQRT2,
90  0.09127176311424948 / M_SQRT2,
91  }
92 };
93 
94 static const double icoeff[2][5] = {
95  {
96  1.115087052456994 / M_SQRT2,
97  0.5912717631142470 / M_SQRT2,
98  -0.05754352622849957 / M_SQRT2,
99  -0.09127176311424948 / M_SQRT2,
100  },{
101  0.6029490182363579 * M_SQRT2,
102  -0.2668641184428723 * M_SQRT2,
103  -0.07822326652898785 * M_SQRT2,
104  0.01686411844287495 * M_SQRT2,
105  0.02674875741080976 * M_SQRT2,
106  }
107 };
108 
109 
110 static inline void decompose(float *dst_l, float *dst_h, const float *src,
111  int linesize, int w)
112 {
113  int x, i;
114  for (x = 0; x < w; x++) {
115  double sum_l = src[x * linesize] * coeff[0][0];
116  double sum_h = src[x * linesize] * coeff[1][0];
117  for (i = 1; i <= 4; i++) {
118  const double s = src[avpriv_mirror(x - i, w - 1) * linesize]
119  + src[avpriv_mirror(x + i, w - 1) * linesize];
120 
121  sum_l += coeff[0][i] * s;
122  sum_h += coeff[1][i] * s;
123  }
124  dst_l[x * linesize] = sum_l;
125  dst_h[x * linesize] = sum_h;
126  }
127 }
128 
129 static inline void compose(float *dst, const float *src_l, const float *src_h,
130  int linesize, int w)
131 {
132  int x, i;
133  for (x = 0; x < w; x++) {
134  double sum_l = src_l[x * linesize] * icoeff[0][0];
135  double sum_h = src_h[x * linesize] * icoeff[1][0];
136  for (i = 1; i <= 4; i++) {
137  const int x0 = avpriv_mirror(x - i, w - 1) * linesize;
138  const int x1 = avpriv_mirror(x + i, w - 1) * linesize;
139 
140  sum_l += icoeff[0][i] * (src_l[x0] + src_l[x1]);
141  sum_h += icoeff[1][i] * (src_h[x0] + src_h[x1]);
142  }
143  dst[x * linesize] = (sum_l + sum_h) * 0.5;
144  }
145 }
146 
147 static inline void decompose2D(float *dst_l, float *dst_h, const float *src,
148  int xlinesize, int ylinesize,
149  int step, int w, int h)
150 {
151  int y, x;
152  for (y = 0; y < h; y++)
153  for (x = 0; x < step; x++)
154  decompose(dst_l + ylinesize*y + xlinesize*x,
155  dst_h + ylinesize*y + xlinesize*x,
156  src + ylinesize*y + xlinesize*x,
157  step * xlinesize, (w - x + step - 1) / step);
158 }
159 
160 static inline void compose2D(float *dst, const float *src_l, const float *src_h,
161  int xlinesize, int ylinesize,
162  int step, int w, int h)
163 {
164  int y, x;
165  for (y = 0; y < h; y++)
166  for (x = 0; x < step; x++)
167  compose(dst + ylinesize*y + xlinesize*x,
168  src_l + ylinesize*y + xlinesize*x,
169  src_h + ylinesize*y + xlinesize*x,
170  step * xlinesize, (w - x + step - 1) / step);
171 }
172 
173 static void decompose2D2(float *dst[4], float *src, float *temp[2],
174  int linesize, int step, int w, int h)
175 {
176  decompose2D(temp[0], temp[1], src, 1, linesize, step, w, h);
177  decompose2D( dst[0], dst[1], temp[0], linesize, 1, step, h, w);
178  decompose2D( dst[2], dst[3], temp[1], linesize, 1, step, h, w);
179 }
180 
181 static void compose2D2(float *dst, float *src[4], float *temp[2],
182  int linesize, int step, int w, int h)
183 {
184  compose2D(temp[0], src[0], src[1], linesize, 1, step, h, w);
185  compose2D(temp[1], src[2], src[3], linesize, 1, step, h, w);
186  compose2D(dst, temp[0], temp[1], 1, linesize, step, w, h);
187 }
188 
189 static void filter(OWDenoiseContext *s,
190  uint8_t *dst, int dst_linesize,
191  const uint8_t *src, int src_linesize,
192  int width, int height, double strength)
193 {
194  int x, y, i, j, depth = s->depth;
195 
196  while (1<<depth > width || 1<<depth > height)
197  depth--;
198 
199  if (s->pixel_depth <= 8) {
200  for (y = 0; y < height; y++)
201  for(x = 0; x < width; x++)
202  s->plane[0][0][y*s->linesize + x] = src[y*src_linesize + x];
203  } else {
204  const uint16_t *src16 = (const uint16_t *)src;
205 
206  src_linesize /= 2;
207  for (y = 0; y < height; y++)
208  for(x = 0; x < width; x++)
209  s->plane[0][0][y*s->linesize + x] = src16[y*src_linesize + x];
210  }
211 
212  for (i = 0; i < depth; i++)
213  decompose2D2(s->plane[i + 1], s->plane[i][0], s->plane[0] + 1, s->linesize, 1<<i, width, height);
214 
215  for (i = 0; i < depth; i++) {
216  for (j = 1; j < 4; j++) {
217  for (y = 0; y < height; y++) {
218  for (x = 0; x < width; x++) {
219  double v = s->plane[i + 1][j][y*s->linesize + x];
220  if (v > strength) v -= strength;
221  else if (v < -strength) v += strength;
222  else v = 0;
223  s->plane[i + 1][j][x + y*s->linesize] = v;
224  }
225  }
226  }
227  }
228  for (i = depth-1; i >= 0; i--)
229  compose2D2(s->plane[i][0], s->plane[i + 1], s->plane[0] + 1, s->linesize, 1<<i, width, height);
230 
231  if (s->pixel_depth <= 8) {
232  for (y = 0; y < height; y++) {
233  for (x = 0; x < width; x++) {
234  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 :)
235  if ((unsigned)i > 255U) i = ~(i >> 31);
236  dst[y*dst_linesize + x] = i;
237  }
238  }
239  } else {
240  uint16_t *dst16 = (uint16_t *)dst;
241 
242  dst_linesize /= 2;
243  for (y = 0; y < height; y++) {
244  for (x = 0; x < width; x++) {
245  i = s->plane[0][0][y*s->linesize + x];
246  dst16[y*dst_linesize + x] = i;
247  }
248  }
249  }
250 }
251 
253 {
254  AVFilterContext *ctx = inlink->dst;
255  OWDenoiseContext *s = ctx->priv;
256  AVFilterLink *outlink = ctx->outputs[0];
257  AVFrame *out;
258  const int cw = AV_CEIL_RSHIFT(inlink->w, s->hsub);
259  const int ch = AV_CEIL_RSHIFT(inlink->h, s->vsub);
260 
261  if (av_frame_is_writable(in)) {
262  out = in;
263 
264  if (s->luma_strength > 0)
265  filter(s, out->data[0], out->linesize[0], in->data[0], in->linesize[0], inlink->w, inlink->h, s->luma_strength);
266  if (s->chroma_strength > 0) {
267  filter(s, out->data[1], out->linesize[1], in->data[1], in->linesize[1], cw, ch, s->chroma_strength);
268  filter(s, out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, s->chroma_strength);
269  }
270  } else {
271  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
272  if (!out) {
273  av_frame_free(&in);
274  return AVERROR(ENOMEM);
275  }
277 
278  if (s->luma_strength > 0) {
279  filter(s, out->data[0], out->linesize[0], in->data[0], in->linesize[0], inlink->w, inlink->h, s->luma_strength);
280  } else {
281  av_image_copy_plane(out->data[0], out->linesize[0], in ->data[0], in ->linesize[0], inlink->w, inlink->h);
282  }
283  if (s->chroma_strength > 0) {
284  filter(s, out->data[1], out->linesize[1], in->data[1], in->linesize[1], cw, ch, s->chroma_strength);
285  filter(s, out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, s->chroma_strength);
286  } else {
287  av_image_copy_plane(out->data[1], out->linesize[1], in ->data[1], in ->linesize[1], inlink->w, inlink->h);
288  av_image_copy_plane(out->data[2], out->linesize[2], in ->data[2], in ->linesize[2], inlink->w, inlink->h);
289  }
290 
291  if (in->data[3])
292  av_image_copy_plane(out->data[3], out->linesize[3],
293  in ->data[3], in ->linesize[3],
294  inlink->w, inlink->h);
295  av_frame_free(&in);
296  }
297 
298  return ff_filter_frame(outlink, out);
299 }
300 
301 static const enum AVPixelFormat pix_fmts[] = {
315 };
316 
318 {
319  int i, j;
320  OWDenoiseContext *s = inlink->dst->priv;
322  const int h = FFALIGN(inlink->h, 16);
323 
324  s->hsub = desc->log2_chroma_w;
325  s->vsub = desc->log2_chroma_h;
326  s->pixel_depth = desc->comp[0].depth;
327 
328  s->linesize = FFALIGN(inlink->w, 16);
329  for (j = 0; j < 4; j++) {
330  for (i = 0; i <= s->depth; i++) {
331  s->plane[i][j] = av_malloc_array(s->linesize, h * sizeof(s->plane[0][0][0]));
332  if (!s->plane[i][j])
333  return AVERROR(ENOMEM);
334  }
335  }
336  return 0;
337 }
338 
340 {
341  int i, j;
342  OWDenoiseContext *s = ctx->priv;
343 
344  for (j = 0; j < 4; j++)
345  for (i = 0; i <= s->depth; i++)
346  av_freep(&s->plane[i][j]);
347 }
348 
349 static const AVFilterPad owdenoise_inputs[] = {
350  {
351  .name = "default",
352  .type = AVMEDIA_TYPE_VIDEO,
353  .filter_frame = filter_frame,
354  .config_props = config_input,
355  },
356 };
357 
359  .name = "owdenoise",
360  .description = NULL_IF_CONFIG_SMALL("Denoise using wavelets."),
361  .priv_size = sizeof(OWDenoiseContext),
362  .uninit = uninit,
366  .priv_class = &owdenoise_class,
368 };
ff_get_video_buffer
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:112
owdenoise_inputs
static const AVFilterPad owdenoise_inputs[]
Definition: vf_owdenoise.c:349
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_owdenoise.c:317
AVERROR
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
decompose2D2
static void decompose2D2(float *dst[4], float *src, float *temp[2], int linesize, int step, int w, int h)
Definition: vf_owdenoise.c:173
opt.h
mem_internal.h
out
FILE * out
Definition: movenc.c:54
OWDenoiseContext::plane
float * plane[16+1][4]
Definition: vf_owdenoise.c:49
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1018
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2962
FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:162
inlink
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
Definition: filter_design.txt:212
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:88
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:340
pixdesc.h
step
trying all byte sequences megabyte in length and selecting the best looking sequence will yield cases to try But a word about which is also called distortion Distortion can be quantified by almost any quality measurement one chooses the sum of squared differences is used but more complex methods that consider psychovisual effects can be used as well It makes no difference in this discussion First step
Definition: rate_distortion.txt:58
w
uint8_t w
Definition: llviddspenc.c:38
AVOption
AVOption.
Definition: opt.h:346
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:478
OFFSET
#define OFFSET(x)
Definition: vf_owdenoise.c:55
compose
static void compose(float *dst, const float *src_l, const float *src_h, int linesize, int w)
Definition: vf_owdenoise.c:129
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:106
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:170
video.h
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:361
av_image_copy_plane
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:374
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)
Definition: vf_owdenoise.c:189
OWDenoiseContext::pixel_depth
int pixel_depth
Definition: vf_owdenoise.c:52
decompose2D
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:147
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:476
decompose
static void decompose(float *dst_l, float *dst_h, const float *src, int linesize, int w)
Definition: vf_owdenoise.c:110
owdenoise_options
static const AVOption owdenoise_options[]
Definition: vf_owdenoise.c:57
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:33
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:481
av_cold
#define av_cold
Definition: attributes.h:90
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:490
ff_video_default_filterpad
const AVFilterPad ff_video_default_filterpad[1]
An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_VIDEO.
Definition: video.c:37
width
#define width
s
#define s(width, name)
Definition: cbs_vp9.c:198
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:108
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:491
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
AV_OPT_TYPE_DOUBLE
@ AV_OPT_TYPE_DOUBLE
Definition: opt.h:237
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:475
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:489
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:73
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:182
compose2D2
static void compose2D2(float *dst, float *src[4], float *temp[2], int linesize, int step, int w, int h)
Definition: vf_owdenoise.c:181
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
NULL
#define NULL
Definition: coverity.c:32
av_frame_copy_props
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:637
OWDenoiseContext
Definition: vf_owdenoise.c:44
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(owdenoise)
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:480
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:479
avpriv_mirror
static av_always_inline av_const int avpriv_mirror(int x, int w)
Definition: internal.h:168
dither
static const uint8_t dither[8][8]
Definition: vf_owdenoise.c:68
FLAGS
#define FLAGS
Definition: vf_owdenoise.c:56
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:106
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition: mem_internal.h:109
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_owdenoise.c:252
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:483
OWDenoiseContext::luma_strength
double luma_strength
Definition: vf_owdenoise.c:46
OWDenoiseContext::linesize
int linesize
Definition: vf_owdenoise.c:50
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:485
av_frame_is_writable
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:573
height
#define height
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:174
internal.h
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#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:147
compose2D
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:160
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:255
av_malloc_array
#define av_malloc_array(a, b)
Definition: tableprint_vlc.h:31
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_owdenoise.c:339
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:39
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:477
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_owdenoise.c:301
AVFilter
Filter definition.
Definition: avfilter.h:166
OWDenoiseContext::chroma_strength
double chroma_strength
Definition: vf_owdenoise.c:47
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:482
U
#define U(x)
Definition: vpx_arith.h:37
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:487
OWDenoiseContext::depth
int depth
Definition: vf_owdenoise.c:48
ff_vf_owdenoise
const AVFilter ff_vf_owdenoise
Definition: vf_owdenoise.c:358
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:235
avfilter.h
temp
else temp
Definition: vf_mcdeint.c:263
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:78
AVFilterContext
An instance of a filter.
Definition: avfilter.h:407
icoeff
static const double icoeff[2][5]
Definition: vf_owdenoise.c:94
desc
const char * desc
Definition: libsvtav1.c:73
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:77
M_SQRT2
#define M_SQRT2
Definition: mathematics.h:109
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
OWDenoiseContext::hsub
int hsub
Definition: vf_owdenoise.c:51
FFALIGN
#define FFALIGN(x, a)
Definition: macros.h:78
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:183
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:34
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:80
imgutils.h
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, a positive or negative value, which is typically indicating the size in bytes of each pict...
Definition: frame.h:385
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:79
coeff
static const double coeff[2][5]
Definition: vf_owdenoise.c:79
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:484
h
h
Definition: vp9dsp_template.c:2038
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:488
OWDenoiseContext::vsub
int vsub
Definition: vf_owdenoise.c:51
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:173
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:486