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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/pixdesc.h"
34 #include "avfilter.h"
35 #include "internal.h"
36 
37 typedef struct {
38  const AVClass *class;
39  double luma_strength;
41  int depth;
42  float *plane[16+1][4];
43  int linesize;
44  int hsub, vsub;
47 
48 #define OFFSET(x) offsetof(OWDenoiseContext, x)
49 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
50 static const AVOption owdenoise_options[] = {
51  { "depth", "set depth", OFFSET(depth), AV_OPT_TYPE_INT, {.i64 = 8}, 8, 16, FLAGS },
52  { "luma_strength", "set luma strength", OFFSET(luma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
53  { "ls", "set luma strength", OFFSET(luma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
54  { "chroma_strength", "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
55  { "cs", "set chroma strength", OFFSET(chroma_strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0, 1000, FLAGS },
56  { NULL }
57 };
58 
59 AVFILTER_DEFINE_CLASS(owdenoise);
60 
61 DECLARE_ALIGNED(8, static const uint8_t, dither)[8][8] = {
62  { 0, 48, 12, 60, 3, 51, 15, 63 },
63  { 32, 16, 44, 28, 35, 19, 47, 31 },
64  { 8, 56, 4, 52, 11, 59, 7, 55 },
65  { 40, 24, 36, 20, 43, 27, 39, 23 },
66  { 2, 50, 14, 62, 1, 49, 13, 61 },
67  { 34, 18, 46, 30, 33, 17, 45, 29 },
68  { 10, 58, 6, 54, 9, 57, 5, 53 },
69  { 42, 26, 38, 22, 41, 25, 37, 21 },
70 };
71 
72 static const double coeff[2][5] = {
73  {
74  0.6029490182363579 * M_SQRT2,
75  0.2668641184428723 * M_SQRT2,
76  -0.07822326652898785 * M_SQRT2,
77  -0.01686411844287495 * M_SQRT2,
78  0.02674875741080976 * M_SQRT2,
79  },{
80  1.115087052456994 / M_SQRT2,
81  -0.5912717631142470 / M_SQRT2,
82  -0.05754352622849957 / M_SQRT2,
83  0.09127176311424948 / M_SQRT2,
84  }
85 };
86 
87 static const double icoeff[2][5] = {
88  {
89  1.115087052456994 / M_SQRT2,
90  0.5912717631142470 / M_SQRT2,
91  -0.05754352622849957 / M_SQRT2,
92  -0.09127176311424948 / M_SQRT2,
93  },{
94  0.6029490182363579 * M_SQRT2,
95  -0.2668641184428723 * M_SQRT2,
96  -0.07822326652898785 * M_SQRT2,
97  0.01686411844287495 * M_SQRT2,
98  0.02674875741080976 * M_SQRT2,
99  }
100 };
101 
102 
103 static inline void decompose(float *dst_l, float *dst_h, const float *src,
104  int linesize, int w)
105 {
106  int x, i;
107  for (x = 0; x < w; x++) {
108  double sum_l = src[x * linesize] * coeff[0][0];
109  double sum_h = src[x * linesize] * coeff[1][0];
110  for (i = 1; i <= 4; i++) {
111  const double s = src[avpriv_mirror(x - i, w - 1) * linesize]
112  + src[avpriv_mirror(x + i, w - 1) * linesize];
113 
114  sum_l += coeff[0][i] * s;
115  sum_h += coeff[1][i] * s;
116  }
117  dst_l[x * linesize] = sum_l;
118  dst_h[x * linesize] = sum_h;
119  }
120 }
121 
122 static inline void compose(float *dst, const float *src_l, const float *src_h,
123  int linesize, int w)
124 {
125  int x, i;
126  for (x = 0; x < w; x++) {
127  double sum_l = src_l[x * linesize] * icoeff[0][0];
128  double sum_h = src_h[x * linesize] * icoeff[1][0];
129  for (i = 1; i <= 4; i++) {
130  const int x0 = avpriv_mirror(x - i, w - 1) * linesize;
131  const int x1 = avpriv_mirror(x + i, w - 1) * linesize;
132 
133  sum_l += icoeff[0][i] * (src_l[x0] + src_l[x1]);
134  sum_h += icoeff[1][i] * (src_h[x0] + src_h[x1]);
135  }
136  dst[x * linesize] = (sum_l + sum_h) * 0.5;
137  }
138 }
139 
140 static inline void decompose2D(float *dst_l, float *dst_h, const float *src,
141  int xlinesize, int ylinesize,
142  int step, int w, int h)
143 {
144  int y, x;
145  for (y = 0; y < h; y++)
146  for (x = 0; x < step; x++)
147  decompose(dst_l + ylinesize*y + xlinesize*x,
148  dst_h + ylinesize*y + xlinesize*x,
149  src + ylinesize*y + xlinesize*x,
150  step * xlinesize, (w - x + step - 1) / step);
151 }
152 
153 static inline void compose2D(float *dst, const float *src_l, const float *src_h,
154  int xlinesize, int ylinesize,
155  int step, int w, int h)
156 {
157  int y, x;
158  for (y = 0; y < h; y++)
159  for (x = 0; x < step; x++)
160  compose(dst + ylinesize*y + xlinesize*x,
161  src_l + ylinesize*y + xlinesize*x,
162  src_h + ylinesize*y + xlinesize*x,
163  step * xlinesize, (w - x + step - 1) / step);
164 }
165 
166 static void decompose2D2(float *dst[4], float *src, float *temp[2],
167  int linesize, int step, int w, int h)
168 {
169  decompose2D(temp[0], temp[1], src, 1, linesize, step, w, h);
170  decompose2D( dst[0], dst[1], temp[0], linesize, 1, step, h, w);
171  decompose2D( dst[2], dst[3], temp[1], linesize, 1, step, h, w);
172 }
173 
174 static void compose2D2(float *dst, float *src[4], float *temp[2],
175  int linesize, int step, int w, int h)
176 {
177  compose2D(temp[0], src[0], src[1], linesize, 1, step, h, w);
178  compose2D(temp[1], src[2], src[3], linesize, 1, step, h, w);
179  compose2D(dst, temp[0], temp[1], 1, linesize, step, w, h);
180 }
181 
182 static void filter(OWDenoiseContext *s,
183  uint8_t *dst, int dst_linesize,
184  const uint8_t *src, int src_linesize,
185  int width, int height, double strength)
186 {
187  int x, y, i, j, depth = s->depth;
188 
189  while (1<<depth > width || 1<<depth > height)
190  depth--;
191 
192  if (s->pixel_depth <= 8) {
193  for (y = 0; y < height; y++)
194  for(x = 0; x < width; x++)
195  s->plane[0][0][y*s->linesize + x] = src[y*src_linesize + x];
196  } else {
197  const uint16_t *src16 = (const uint16_t *)src;
198 
199  src_linesize /= 2;
200  for (y = 0; y < height; y++)
201  for(x = 0; x < width; x++)
202  s->plane[0][0][y*s->linesize + x] = src16[y*src_linesize + x];
203  }
204 
205  for (i = 0; i < depth; i++)
206  decompose2D2(s->plane[i + 1], s->plane[i][0], s->plane[0] + 1, s->linesize, 1<<i, width, height);
207 
208  for (i = 0; i < depth; i++) {
209  for (j = 1; j < 4; j++) {
210  for (y = 0; y < height; y++) {
211  for (x = 0; x < width; x++) {
212  double v = s->plane[i + 1][j][y*s->linesize + x];
213  if (v > strength) v -= strength;
214  else if (v < -strength) v += strength;
215  else v = 0;
216  s->plane[i + 1][j][x + y*s->linesize] = v;
217  }
218  }
219  }
220  }
221  for (i = depth-1; i >= 0; i--)
222  compose2D2(s->plane[i][0], s->plane[i + 1], s->plane[0] + 1, s->linesize, 1<<i, width, height);
223 
224  if (s->pixel_depth <= 8) {
225  for (y = 0; y < height; y++) {
226  for (x = 0; x < width; x++) {
227  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 :)
228  if ((unsigned)i > 255U) i = ~(i >> 31);
229  dst[y*dst_linesize + x] = i;
230  }
231  }
232  } else {
233  uint16_t *dst16 = (uint16_t *)dst;
234 
235  dst_linesize /= 2;
236  for (y = 0; y < height; y++) {
237  for (x = 0; x < width; x++) {
238  i = s->plane[0][0][y*s->linesize + x];
239  dst16[y*dst_linesize + x] = i;
240  }
241  }
242  }
243 }
244 
245 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
246 {
247  AVFilterContext *ctx = inlink->dst;
248  OWDenoiseContext *s = ctx->priv;
249  AVFilterLink *outlink = ctx->outputs[0];
250  AVFrame *out;
251  const int cw = AV_CEIL_RSHIFT(inlink->w, s->hsub);
252  const int ch = AV_CEIL_RSHIFT(inlink->h, s->vsub);
253 
254  if (av_frame_is_writable(in)) {
255  out = in;
256 
257  if (s->luma_strength > 0)
258  filter(s, out->data[0], out->linesize[0], in->data[0], in->linesize[0], inlink->w, inlink->h, s->luma_strength);
259  if (s->chroma_strength > 0) {
260  filter(s, out->data[1], out->linesize[1], in->data[1], in->linesize[1], cw, ch, s->chroma_strength);
261  filter(s, out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, s->chroma_strength);
262  }
263  } else {
264  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
265  if (!out) {
266  av_frame_free(&in);
267  return AVERROR(ENOMEM);
268  }
269  av_frame_copy_props(out, in);
270 
271  if (s->luma_strength > 0) {
272  filter(s, out->data[0], out->linesize[0], in->data[0], in->linesize[0], inlink->w, inlink->h, s->luma_strength);
273  } else {
274  av_image_copy_plane(out->data[0], out->linesize[0], in ->data[0], in ->linesize[0], inlink->w, inlink->h);
275  }
276  if (s->chroma_strength > 0) {
277  filter(s, out->data[1], out->linesize[1], in->data[1], in->linesize[1], cw, ch, s->chroma_strength);
278  filter(s, out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, s->chroma_strength);
279  } else {
280  av_image_copy_plane(out->data[1], out->linesize[1], in ->data[1], in ->linesize[1], inlink->w, inlink->h);
281  av_image_copy_plane(out->data[2], out->linesize[2], in ->data[2], in ->linesize[2], inlink->w, inlink->h);
282  }
283 
284  if (in->data[3])
285  av_image_copy_plane(out->data[3], out->linesize[3],
286  in ->data[3], in ->linesize[3],
287  inlink->w, inlink->h);
288  av_frame_free(&in);
289  }
290 
291  return ff_filter_frame(outlink, out);
292 }
293 
295 {
296  static const enum AVPixelFormat pix_fmts[] = {
310  };
311  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
312  if (!fmts_list)
313  return AVERROR(ENOMEM);
314  return ff_set_common_formats(ctx, fmts_list);
315 }
316 
317 static int config_input(AVFilterLink *inlink)
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  { NULL }
357 };
358 
359 static const AVFilterPad owdenoise_outputs[] = {
360  {
361  .name = "default",
362  .type = AVMEDIA_TYPE_VIDEO,
363  },
364  { NULL }
365 };
366 
368  .name = "owdenoise",
369  .description = NULL_IF_CONFIG_SMALL("Denoise using wavelets."),
370  .priv_size = sizeof(OWDenoiseContext),
371  .uninit = uninit,
373  .inputs = owdenoise_inputs,
374  .outputs = owdenoise_outputs,
375  .priv_class = &owdenoise_class,
377 };
int plane
Definition: avisynth_c.h:422
#define NULL
Definition: coverity.c:32
static void compose(float *dst, const float *src_l, const float *src_h, int linesize, int w)
Definition: vf_owdenoise.c:122
const char * s
Definition: avisynth_c.h:768
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:345
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2263
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
AVOption.
Definition: opt.h:245
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:353
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
misc image utilities
Main libavfilter public API header.
double chroma_strength
Definition: vf_owdenoise.c:40
static int config_input(AVFilterLink *inlink)
Definition: vf_owdenoise.c:317
else temp
Definition: vf_mcdeint.c:259
const char * desc
Definition: nvenc.c:101
static void decompose2D2(float *dst[4], float *src, float *temp[2], int linesize, int step, int w, int h)
Definition: vf_owdenoise.c:166
double luma_strength
Definition: vf_owdenoise.c:39
AVFilter ff_vf_owdenoise
Definition: vf_owdenoise.c:367
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:347
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:182
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:76
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
#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:125
const char * name
Pad name.
Definition: internal.h:59
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1189
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:102
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
AVOptions.
static void decompose(float *dst_l, float *dst_h, const float *src, int linesize, int w)
Definition: vf_owdenoise.c:103
static const AVOption owdenoise_options[]
Definition: vf_owdenoise.c:50
#define OFFSET(x)
Definition: vf_owdenoise.c:48
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:101
#define height
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:140
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:356
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:348
#define FFALIGN(x, a)
Definition: macros.h:48
A filter pad used for either input or output.
Definition: internal.h:53
#define U(x)
Definition: vp56_arith.h:37
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:187
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:568
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:154
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_owdenoise.c:245
void * priv
private data for use by the filter
Definition: avfilter.h:322
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:346
int depth
Definition: v4l.c:62
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:341
static void compose2D2(float *dst, float *src[4], float *temp[2], int linesize, int step, int w, int h)
Definition: vf_owdenoise.c:174
#define width
AVFormatContext * ctx
Definition: movenc.c:48
static const AVFilterPad outputs[]
Definition: af_afftfilt.c:386
#define src
Definition: vp9dsp.c:530
static av_always_inline av_const int avpriv_mirror(int x, int w)
Definition: internal.h:318
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:342
static const AVFilterPad owdenoise_outputs[]
Definition: vf_owdenoise.c:359
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:354
static const AVFilterPad inputs[]
Definition: af_afftfilt.c:376
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:351
AVFILTER_DEFINE_CLASS(owdenoise)
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:521
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:215
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:188
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
static const uint8_t dither[8][8]
Definition: vf_owdenoise.c:61
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
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:343
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
Describe the class of an AVClass context structure.
Definition: log.h:67
static const double icoeff[2][5]
Definition: vf_owdenoise.c:87
Filter definition.
Definition: avfilter.h:144
float * plane[16+1][4]
Definition: vf_owdenoise.c:42
#define FLAGS
Definition: vf_owdenoise.c:49
const char * name
Filter name.
Definition: avfilter.h:148
static int query_formats(AVFilterContext *ctx)
Definition: vf_owdenoise.c:294
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:349
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:153
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:340
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:319
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:352
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:344
static int flags
Definition: cpu.c:47
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:350
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:198
#define M_SQRT2
Definition: mathematics.h:61
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_owdenoise.c:339
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:69
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(constuint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(constint16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(constint32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(constint64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(constfloat *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(constdouble *) pi *(INT64_C(1)<< 63)))#defineFMT_PAIR_FUNC(out, in) staticconv_func_type *constfmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};staticvoidcpy1(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, len);}staticvoidcpy2(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 2 *len);}staticvoidcpy4(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 4 *len);}staticvoidcpy8(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, constint *ch_map, intflags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) returnNULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) returnNULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case1:ctx->simd_f=cpy1;break;case2:ctx->simd_f=cpy2;break;case4:ctx->simd_f=cpy4;break;case8:ctx->simd_f=cpy8;break;}}if(HAVE_YASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);returnctx;}voidswri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}intswri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, intlen){intch;intoff=0;constintos=(out->planar?1:out->ch_count)*out->bps;unsignedmisaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){intplanes=in->planar?in->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){intplanes=out->planar?out->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){intplanes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch ch
Definition: audioconvert.c:56
A list of supported formats for one end of a filter link.
Definition: formats.h:64
static const double coeff[2][5]
Definition: vf_owdenoise.c:72
An instance of a filter.
Definition: avfilter.h:307
FILE * out
Definition: movenc.c:54
#define av_freep(p)
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:100
#define av_malloc_array(a, b)
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:287
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:355
static const AVFilterPad owdenoise_inputs[]
Definition: vf_owdenoise.c:349
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:581
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58