FFmpeg
vf_varblur.c
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1 /*
2  * Copyright (c) 2021 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/imgutils.h"
22 #include "libavutil/opt.h"
23 #include "libavutil/pixdesc.h"
24 #include "avfilter.h"
25 #include "framesync.h"
26 #include "internal.h"
27 #include "video.h"
28 
29 typedef struct VarBlurContext {
30  const AVClass *class;
32 
35  int planes;
36 
37  int depth;
38  int planewidth[4];
39  int planeheight[4];
40 
41  uint8_t *sat[4];
42  int sat_linesize[4];
43  int nb_planes;
44 
45  void (*compute_sat)(const uint8_t *ssrc,
46  int linesize,
47  int w, int h,
48  uint8_t *dstp,
49  int dst_linesize);
50 
52  uint8_t *ddst,
53  int ddst_linesize,
54  const uint8_t *rrptr,
55  int rrptr_linesize,
56  int w, int h,
57  const uint8_t *pptr,
58  int pptr_linesize,
59  int slice_start, int slice_end);
61 
62 #define OFFSET(x) offsetof(VarBlurContext, x)
63 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
64 
65 static const AVOption varblur_options[] = {
66  { "min_r", "set min blur radius", OFFSET(min_radius), AV_OPT_TYPE_INT, {.i64=0}, 0, 254, FLAGS },
67  { "max_r", "set max blur radius", OFFSET(max_radius), AV_OPT_TYPE_INT, {.i64=8}, 1, 255, FLAGS },
68  { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
69  { NULL }
70 };
71 
73 
74 static const enum AVPixelFormat pix_fmts[] = {
95 };
96 
97 #define COMPUTE_SAT(type, stype, depth) \
98 static void compute_sat##depth(const uint8_t *ssrc, \
99  int linesize, \
100  int w, int h, \
101  uint8_t *dstp, \
102  int dst_linesize) \
103 { \
104  const type *src = (const type *)ssrc; \
105  stype *dst = (stype *)dstp; \
106  \
107  linesize /= (depth / 8); \
108  dst_linesize /= sizeof(stype); \
109  dst += dst_linesize; \
110  \
111  for (int y = 0; y < h; y++) { \
112  stype sum = 0; \
113  \
114  for (int x = 1; x < w; x++) { \
115  sum += src[x - 1]; \
116  dst[x] = sum + dst[x - dst_linesize]; \
117  } \
118  \
119  src += linesize; \
120  dst += dst_linesize; \
121  } \
122 }
123 
124 COMPUTE_SAT(uint8_t, uint32_t, 8)
125 COMPUTE_SAT(uint16_t, uint64_t, 16)
126 COMPUTE_SAT(float, double, 32)
127 
128 typedef struct ThreadData {
129  AVFrame *in, *out, *radius;
130 } ThreadData;
131 
132 static float lerpf(float v0, float v1, float f)
133 {
134  return v0 + (v1 - v0) * f;
135 }
136 
137 #define BLUR_PLANE(type, stype, bits) \
138 static int blur_plane##bits(AVFilterContext *ctx, \
139  uint8_t *ddst, \
140  int ddst_linesize, \
141  const uint8_t *rrptr, \
142  int rrptr_linesize, \
143  int w, int h, \
144  const uint8_t *pptr, \
145  int pptr_linesize, \
146  int slice_start, int slice_end) \
147 { \
148  VarBlurContext *s = ctx->priv; \
149  const int ddepth = (bits == 32) ? 1 : s->depth; \
150  const int dst_linesize = ddst_linesize / (bits / 8); \
151  const int ptr_linesize = pptr_linesize / sizeof(stype); \
152  const int rptr_linesize = rrptr_linesize / (bits / 8); \
153  const type *rptr = ((const type *)rrptr) + slice_start * rptr_linesize; \
154  type *dst = ((type *)ddst) + slice_start * dst_linesize; \
155  const stype *ptr = (stype *)pptr; \
156  const float minr = 2.f * s->min_radius + 1.f; \
157  const float maxr = 2.f * s->max_radius + 1.f; \
158  const float scaler = (maxr - minr) / ((1 << ddepth) - 1); \
159  \
160  for (int y = slice_start; y < slice_end; y++) { \
161  for (int x = 0; x < w; x++) { \
162  const float radiusf = minr + (FFMAX(0.f, 2 * rptr[x] + 1 - minr)) * scaler; \
163  const int radius = floorf(radiusf); \
164  const float factor = radiusf - radius; \
165  const int nradius = radius + 1; \
166  const int l = FFMIN(radius, x); \
167  const int r = FFMIN(radius, w - x - 1); \
168  const int t = FFMIN(radius, y); \
169  const int b = FFMIN(radius, h - y - 1); \
170  const int nl = FFMIN(nradius, x); \
171  const int nr = FFMIN(nradius, w - x - 1); \
172  const int nt = FFMIN(nradius, y); \
173  const int nb = FFMIN(nradius, h - y - 1); \
174  stype tl = ptr[(y - t) * ptr_linesize + x - l]; \
175  stype tr = ptr[(y - t) * ptr_linesize + x + r]; \
176  stype bl = ptr[(y + b) * ptr_linesize + x - l]; \
177  stype br = ptr[(y + b) * ptr_linesize + x + r]; \
178  stype ntl = ptr[(y - nt) * ptr_linesize + x - nl]; \
179  stype ntr = ptr[(y - nt) * ptr_linesize + x + nr]; \
180  stype nbl = ptr[(y + nb) * ptr_linesize + x - nl]; \
181  stype nbr = ptr[(y + nb) * ptr_linesize + x + nr]; \
182  stype div = (l + r) * (t + b); \
183  stype ndiv = (nl + nr) * (nt + nb); \
184  stype p0 = (br + tl - bl - tr) / div; \
185  stype n0 = (nbr + ntl - nbl - ntr) / ndiv; \
186  \
187  if (bits == 32) \
188  dst[x] = lerpf(p0, n0, factor); \
189  else \
190  dst[x] = av_clip_uintp2_c(lrintf( \
191  lerpf(p0, n0, factor)), \
192  ddepth); \
193  } \
194  \
195  rptr += rptr_linesize; \
196  dst += dst_linesize; \
197  } \
198  \
199  return 0; \
200 }
201 
202 BLUR_PLANE(uint8_t, uint32_t, 8)
203 BLUR_PLANE(uint16_t, uint64_t, 16)
204 BLUR_PLANE(float, double, 32)
205 
206 static int blur_planes(AVFilterContext *ctx, void *arg,
207  int jobnr, int nb_jobs)
208 {
209  VarBlurContext *s = ctx->priv;
210  ThreadData *td = arg;
211  AVFrame *radius = td->radius;
212  AVFrame *out = td->out;
213  AVFrame *in = td->in;
214 
215  for (int plane = 0; plane < s->nb_planes; plane++) {
216  const int height = s->planeheight[plane];
217  const int slice_start = (height * jobnr) / nb_jobs;
218  const int slice_end = (height * (jobnr+1)) / nb_jobs;
219  const int width = s->planewidth[plane];
220  const int linesize = in->linesize[plane];
221  const int dst_linesize = out->linesize[plane];
222  const uint8_t *rptr = radius->data[plane];
223  const int rptr_linesize = radius->linesize[plane];
224  uint8_t *ptr = s->sat[plane];
225  const int ptr_linesize = s->sat_linesize[plane];
226  const uint8_t *src = in->data[plane];
227  uint8_t *dst = out->data[plane];
228 
229  if (!(s->planes & (1 << plane))) {
230  if (out != in)
231  av_image_copy_plane(dst + slice_start * dst_linesize,
232  dst_linesize,
233  src + slice_start * linesize,
234  linesize,
235  width * ((s->depth + 7) / 8),
237  continue;
238  }
239 
240  s->blur_plane(ctx, dst, dst_linesize,
241  rptr, rptr_linesize,
242  width, height,
243  ptr, ptr_linesize,
245  }
246 
247  return 0;
248 }
249 
250 static int blur_frame(AVFilterContext *ctx, AVFrame *in, AVFrame *radius)
251 {
252  VarBlurContext *s = ctx->priv;
253  AVFilterLink *outlink = ctx->outputs[0];
254  ThreadData td;
255  AVFrame *out;
256 
257  if (av_frame_is_writable(in)) {
258  out = in;
259  } else {
260  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
261  if (!out) {
262  av_frame_free(&in);
263  return AVERROR(ENOMEM);
264  }
266  }
267 
268  for (int plane = 0; plane < s->nb_planes; plane++) {
269  const int height = s->planeheight[plane];
270  const int width = s->planewidth[plane];
271  const int linesize = in->linesize[plane];
272  uint8_t *ptr = s->sat[plane];
273  const int ptr_linesize = s->sat_linesize[plane];
274  const uint8_t *src = in->data[plane];
275 
276  if (!(s->planes & (1 << plane)))
277  continue;
278 
279  s->compute_sat(src, linesize, width, height, ptr, ptr_linesize);
280  }
281 
282  td.in = in;
283  td.out = out;
284  td.radius = radius;
286  FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx)));
287 
288  if (out != in)
289  av_frame_free(&in);
290  return ff_filter_frame(outlink, out);
291 }
292 
294 {
295  VarBlurContext *s = ctx->priv;
296  return ff_framesync_activate(&s->fs);
297 }
298 
300 {
301  AVFilterContext *ctx = fs->parent;
302  VarBlurContext *s = ctx->priv;
303  AVFrame *in, *radius;
304  int ret;
305 
306  if (s->max_radius <= s->min_radius)
307  s->max_radius = s->min_radius + 1;
308 
309  ret = ff_framesync_dualinput_get(fs, &in, &radius);
310  if (ret < 0)
311  return ret;
312  if (!radius)
313  return ff_filter_frame(ctx->outputs[0], in);
314  return blur_frame(ctx, in, radius);
315 }
316 
317 static int config_output(AVFilterLink *outlink)
318 {
319  AVFilterContext *ctx = outlink->src;
320  AVFilterLink *inlink = ctx->inputs[0];
321  AVFilterLink *radiuslink = ctx->inputs[1];
322  VarBlurContext *s = ctx->priv;
324  int ret;
325 
326  if (inlink->w != radiuslink->w || inlink->h != radiuslink->h) {
327  av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
328  "(size %dx%d) do not match the corresponding "
329  "second input link %s parameters (size %dx%d)\n",
330  ctx->input_pads[0].name, inlink->w, inlink->h,
331  ctx->input_pads[1].name, radiuslink->w, radiuslink->h);
332  return AVERROR(EINVAL);
333  }
334 
335  outlink->w = inlink->w;
336  outlink->h = inlink->h;
337  outlink->time_base = inlink->time_base;
338  outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
339  outlink->frame_rate = inlink->frame_rate;
340 
341  s->depth = desc->comp[0].depth;
342  s->blur_plane = s->depth <= 8 ? blur_plane8 : s->depth <= 16 ? blur_plane16 : blur_plane32;
343  s->compute_sat = s->depth <= 8 ? compute_sat8 : s->depth <= 16 ? compute_sat16 : compute_sat32;
344 
345  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(outlink->w, desc->log2_chroma_w);
346  s->planewidth[0] = s->planewidth[3] = outlink->w;
347  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(outlink->h, desc->log2_chroma_h);
348  s->planeheight[0] = s->planeheight[3] = outlink->h;
349 
350  s->nb_planes = av_pix_fmt_count_planes(outlink->format);
351 
352  for (int p = 0; p < s->nb_planes; p++) {
353  s->sat_linesize[p] = (outlink->w + 1) * (4 + 4 * (s->depth > 8));
354  s->sat[p] = av_calloc(s->sat_linesize[p], outlink->h + 1);
355  if (!s->sat[p])
356  return AVERROR(ENOMEM);
357  }
358 
359  s->fs.on_event = varblur_frame;
360  if ((ret = ff_framesync_init_dualinput(&s->fs, ctx)) < 0)
361  return ret;
362 
363  ret = ff_framesync_configure(&s->fs);
364  outlink->time_base = s->fs.time_base;
365 
366  return ret;
367 }
368 
370 {
371  VarBlurContext *s = ctx->priv;
372 
373  ff_framesync_uninit(&s->fs);
374  for (int p = 0; p < 4; p++)
375  av_freep(&s->sat[p]);
376 }
377 
378 static const AVFilterPad varblur_inputs[] = {
379  {
380  .name = "default",
381  .type = AVMEDIA_TYPE_VIDEO,
382  },
383  {
384  .name = "radius",
385  .type = AVMEDIA_TYPE_VIDEO,
386  },
387 };
388 
389 static const AVFilterPad varblur_outputs[] = {
390  {
391  .name = "default",
392  .type = AVMEDIA_TYPE_VIDEO,
393  .config_props = config_output,
394  },
395 };
396 
398  .name = "varblur",
399  .description = NULL_IF_CONFIG_SMALL("Apply Variable Blur filter."),
400  .priv_size = sizeof(VarBlurContext),
401  .priv_class = &varblur_class,
402  .activate = activate,
403  .preinit = varblur_framesync_preinit,
404  .uninit = uninit,
410  .process_command = ff_filter_process_command,
411 };
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
AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:522
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:501
blur_planes
static int blur_planes(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_varblur.c:206
ff_framesync_configure
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
Definition: framesync.c:134
td
#define td
Definition: regdef.h:70
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
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
opt.h
ThreadData::radius
AVFrame * radius
Definition: vf_varblur.c:129
ff_framesync_uninit
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
Definition: framesync.c:304
out
FILE * out
Definition: movenc.c:54
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
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_varblur.c:317
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:130
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:514
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:344
pixdesc.h
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:521
w
uint8_t w
Definition: llviddspenc.c:38
VarBlurContext::nb_planes
int nb_planes
Definition: vf_varblur.c:43
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:516
AVOption
AVOption.
Definition: opt.h:346
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:478
preinit
static av_cold int preinit(AVFilterContext *ctx)
Definition: af_aresample.c:49
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
FFFrameSync
Frame sync structure.
Definition: framesync.h:168
video.h
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:517
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:458
BLUR_PLANE
#define BLUR_PLANE(type, stype, bits)
Definition: vf_varblur.c:137
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:365
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
varblur_inputs
static const AVFilterPad varblur_inputs[]
Definition: vf_varblur.c:378
av_pix_fmt_count_planes
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:3002
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:513
VarBlurContext::planewidth
int planewidth[4]
Definition: vf_varblur.c:38
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:496
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:212
v0
#define v0
Definition: regdef.h:26
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:494
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:523
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:476
lerpf
static float lerpf(float v0, float v1, float f)
Definition: vf_varblur.c:132
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:462
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:33
varblur_frame
static int varblur_frame(FFFrameSync *fs)
Definition: vf_varblur.c:299
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:481
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:283
slice_start
static int slice_start(SliceContext *sc, VVCContext *s, VVCFrameContext *fc, const CodedBitstreamUnit *unit, const int is_first_slice)
Definition: vvcdec.c:694
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:180
VarBlurContext::compute_sat
void(* compute_sat)(const uint8_t *ssrc, int linesize, int w, int h, uint8_t *dstp, int dst_linesize)
Definition: vf_varblur.c:45
av_cold
#define av_cold
Definition: attributes.h:90
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:490
VarBlurContext::fs
FFFrameSync fs
Definition: vf_varblur.c:31
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:86
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:498
width
#define width
s
#define s(width, name)
Definition: cbs_vp9.c:198
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:499
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
VarBlurContext::depth
int depth
Definition: vf_varblur.c:37
slice_end
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:1725
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:520
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:475
ff_vf_varblur
const AVFilter ff_vf_varblur
Definition: vf_varblur.c:397
FLAGS
#define FLAGS
Definition: vf_varblur.c:63
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:489
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:461
VarBlurContext::planeheight
int planeheight[4]
Definition: vf_varblur.c:39
VarBlurContext
Definition: vf_varblur.c:29
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
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:87
arg
const char * arg
Definition: jacosubdec.c:67
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:459
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:497
VarBlurContext::planes
int planes
Definition: vf_varblur.c:35
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
COMPUTE_SAT
#define COMPUTE_SAT(type, stype, depth)
Definition: vf_varblur.c:97
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:679
fs
#define fs(width, name, subs,...)
Definition: cbs_vp9.c:200
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:85
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_varblur.c:369
varblur_options
static const AVOption varblur_options[]
Definition: vf_varblur.c:65
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:479
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:81
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:493
VarBlurContext::max_radius
int max_radius
Definition: vf_varblur.c:34
f
f
Definition: af_crystalizer.c:121
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
ff_framesync_init_dualinput
int ff_framesync_init_dualinput(FFFrameSync *fs, AVFilterContext *parent)
Initialize a frame sync structure for dualinput.
Definition: framesync.c:375
AV_PIX_FMT_GBRPF32
#define AV_PIX_FMT_GBRPF32
Definition: pixfmt.h:508
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:483
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:615
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:890
VarBlurContext::min_radius
int min_radius
Definition: vf_varblur.c:33
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
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:518
blur_frame
static int blur_frame(AVFilterContext *ctx, AVFrame *in, AVFrame *radius)
Definition: vf_varblur.c:250
internal.h
FRAMESYNC_DEFINE_CLASS
FRAMESYNC_DEFINE_CLASS(varblur, VarBlurContext, fs)
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:495
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:825
ThreadData
Used for passing data between threads.
Definition: dsddec.c:69
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:107
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:39
activate
static int activate(AVFilterContext *ctx)
Definition: vf_varblur.c:293
av_calloc
void * av_calloc(size_t nmemb, size_t size)
Definition: mem.c:262
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:477
VarBlurContext::sat
uint8_t * sat[4]
Definition: vf_varblur.c:41
AVFilter
Filter definition.
Definition: avfilter.h:166
ret
ret
Definition: filter_design.txt:187
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:515
VarBlurContext::blur_plane
int(* blur_plane)(AVFilterContext *ctx, uint8_t *ddst, int ddst_linesize, const uint8_t *rrptr, int rrptr_linesize, int w, int h, const uint8_t *pptr, int pptr_linesize, int slice_start, int slice_end)
Definition: vf_varblur.c:51
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:482
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:487
framesync.h
VarBlurContext::sat_linesize
int sat_linesize[4]
Definition: vf_varblur.c:42
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:519
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:235
avfilter.h
AV_PIX_FMT_GBRAPF32
#define AV_PIX_FMT_GBRAPF32
Definition: pixfmt.h:509
varblur_outputs
static const AVFilterPad varblur_outputs[]
Definition: vf_varblur.c:389
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
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:165
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
desc
const char * desc
Definition: libsvtav1.c:75
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
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
planes
static const struct @386 planes[]
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
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:155
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:389
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
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:27
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:484
h
h
Definition: vp9dsp_template.c:2038
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_varblur.c:74
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:488
ff_framesync_activate
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
Definition: framesync.c:355
ff_framesync_dualinput_get
int ff_framesync_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1)
Definition: framesync.c:393
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:460
ff_filter_execute
static av_always_inline int ff_filter_execute(AVFilterContext *ctx, avfilter_action_func *func, void *arg, int *ret, int nb_jobs)
Definition: internal.h:134
int
int
Definition: ffmpeg_filter.c:409
OFFSET
#define OFFSET(x)
Definition: vf_varblur.c:62
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