FFmpeg  4.4.5
vf_unsharp.c
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1 /*
2  * Original copyright (c) 2002 Remi Guyomarch <rguyom@pobox.com>
3  * Port copyright (c) 2010 Daniel G. Taylor <dan@programmer-art.org>
4  * Relicensed to the LGPL with permission from Remi Guyomarch.
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /**
24  * @file
25  * blur / sharpen filter, ported to FFmpeg from MPlayer
26  * libmpcodecs/unsharp.c.
27  *
28  * This code is based on:
29  *
30  * An Efficient algorithm for Gaussian blur using finite-state machines
31  * Frederick M. Waltz and John W. V. Miller
32  *
33  * SPIE Conf. on Machine Vision Systems for Inspection and Metrology VII
34  * Originally published Boston, Nov 98
35  *
36  * http://www.engin.umd.umich.edu/~jwvm/ece581/21_GBlur.pdf
37  */
38 
39 #include "avfilter.h"
40 #include "formats.h"
41 #include "internal.h"
42 #include "video.h"
43 #include "libavutil/common.h"
44 #include "libavutil/imgutils.h"
45 #include "libavutil/mem.h"
46 #include "libavutil/opt.h"
47 #include "libavutil/pixdesc.h"
48 #include "unsharp.h"
49 
50 typedef struct TheadData {
52  uint8_t *dst;
53  const uint8_t *src;
56  int width;
57  int height;
58 } ThreadData;
59 
60 #define DEF_UNSHARP_SLICE_FUNC(name, nbits) \
61 static int name##_##nbits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
62 { \
63  ThreadData *td = arg; \
64  UnsharpFilterParam *fp = td->fp; \
65  UnsharpContext *s = ctx->priv; \
66  uint32_t **sc = fp->sc; \
67  uint32_t *sr = fp->sr; \
68  const uint##nbits##_t *src2 = NULL; \
69  const int amount = fp->amount; \
70  const int steps_x = fp->steps_x; \
71  const int steps_y = fp->steps_y; \
72  const int scalebits = fp->scalebits; \
73  const int32_t halfscale = fp->halfscale; \
74  \
75  uint##nbits##_t *dst = (uint##nbits##_t*)td->dst; \
76  const uint##nbits##_t *src = (const uint##nbits##_t *)td->src; \
77  int dst_stride = td->dst_stride; \
78  int src_stride = td->src_stride; \
79  const int width = td->width; \
80  const int height = td->height; \
81  const int sc_offset = jobnr * 2 * steps_y; \
82  const int sr_offset = jobnr * (MAX_MATRIX_SIZE - 1); \
83  const int slice_start = (height * jobnr) / nb_jobs; \
84  const int slice_end = (height * (jobnr+1)) / nb_jobs; \
85  \
86  int32_t res; \
87  int x, y, z; \
88  uint32_t tmp1, tmp2; \
89  \
90  if (!amount) { \
91  av_image_copy_plane(td->dst + slice_start * dst_stride, dst_stride, \
92  td->src + slice_start * src_stride, src_stride, \
93  width * s->bps, slice_end - slice_start); \
94  return 0; \
95  } \
96  \
97  for (y = 0; y < 2 * steps_y; y++) \
98  memset(sc[sc_offset + y], 0, sizeof(sc[y][0]) * (width + 2 * steps_x)); \
99  \
100  dst_stride = dst_stride / s->bps; \
101  src_stride = src_stride / s->bps; \
102  /* if this is not the first tile, we start from (slice_start - steps_y) */ \
103  /* so we can get smooth result at slice boundary */ \
104  if (slice_start > steps_y) { \
105  src += (slice_start - steps_y) * src_stride; \
106  dst += (slice_start - steps_y) * dst_stride; \
107  } \
108  \
109  for (y = -steps_y + slice_start; y < steps_y + slice_end; y++) { \
110  if (y < height) \
111  src2 = src; \
112  \
113  memset(sr + sr_offset, 0, sizeof(sr[0]) * (2 * steps_x - 1)); \
114  for (x = -steps_x; x < width + steps_x; x++) { \
115  tmp1 = x <= 0 ? src2[0] : x >= width ? src2[width-1] : src2[x]; \
116  for (z = 0; z < steps_x * 2; z += 2) { \
117  tmp2 = sr[sr_offset + z + 0] + tmp1; sr[sr_offset + z + 0] = tmp1; \
118  tmp1 = sr[sr_offset + z + 1] + tmp2; sr[sr_offset + z + 1] = tmp2; \
119  } \
120  for (z = 0; z < steps_y * 2; z += 2) { \
121  tmp2 = sc[sc_offset + z + 0][x + steps_x] + tmp1; \
122  sc[sc_offset + z + 0][x + steps_x] = tmp1; \
123  tmp1 = sc[sc_offset + z + 1][x + steps_x] + tmp2; \
124  sc[sc_offset + z + 1][x + steps_x] = tmp2; \
125  } \
126  if (x >= steps_x && y >= (steps_y + slice_start)) { \
127  const uint##nbits##_t *srx = src - steps_y * src_stride + x - steps_x; \
128  uint##nbits##_t *dsx = dst - steps_y * dst_stride + x - steps_x; \
129  \
130  res = (int32_t)*srx + ((((int32_t) * srx - \
131  (int32_t)((tmp1 + halfscale) >> scalebits)) * amount) >> (8+nbits)); \
132  *dsx = av_clip_uint##nbits(res); \
133  } \
134  } \
135  if (y >= 0) { \
136  dst += dst_stride; \
137  src += src_stride; \
138  } \
139  } \
140  return 0; \
141 }
142 DEF_UNSHARP_SLICE_FUNC(unsharp_slice, 16)
143 DEF_UNSHARP_SLICE_FUNC(unsharp_slice, 8)
144 
146 {
147  AVFilterLink *inlink = ctx->inputs[0];
148  UnsharpContext *s = ctx->priv;
149  int i, plane_w[3], plane_h[3];
151  ThreadData td;
152 
153  plane_w[0] = inlink->w;
154  plane_w[1] = plane_w[2] = AV_CEIL_RSHIFT(inlink->w, s->hsub);
155  plane_h[0] = inlink->h;
156  plane_h[1] = plane_h[2] = AV_CEIL_RSHIFT(inlink->h, s->vsub);
157  fp[0] = &s->luma;
158  fp[1] = fp[2] = &s->chroma;
159  for (i = 0; i < 3; i++) {
160  td.fp = fp[i];
161  td.dst = out->data[i];
162  td.src = in->data[i];
163  td.width = plane_w[i];
164  td.height = plane_h[i];
165  td.dst_stride = out->linesize[i];
166  td.src_stride = in->linesize[i];
167  ctx->internal->execute(ctx, s->unsharp_slice, &td, NULL, FFMIN(plane_h[i], s->nb_threads));
168  }
169  return 0;
170 }
171 
172 static void set_filter_param(UnsharpFilterParam *fp, int msize_x, int msize_y, float amount)
173 {
174  fp->msize_x = msize_x;
175  fp->msize_y = msize_y;
176  fp->amount = amount * 65536.0;
177 
178  fp->steps_x = msize_x / 2;
179  fp->steps_y = msize_y / 2;
180  fp->scalebits = (fp->steps_x + fp->steps_y) * 2;
181  fp->halfscale = 1 << (fp->scalebits - 1);
182 }
183 
185 {
186  UnsharpContext *s = ctx->priv;
187 
188  set_filter_param(&s->luma, s->lmsize_x, s->lmsize_y, s->lamount);
189  set_filter_param(&s->chroma, s->cmsize_x, s->cmsize_y, s->camount);
190 
191  if (s->luma.scalebits >= 26 || s->chroma.scalebits >= 26) {
192  av_log(ctx, AV_LOG_ERROR, "luma or chroma matrix size too big\n");
193  return AVERROR(EINVAL);
194  }
195  s->apply_unsharp = apply_unsharp_c;
196  return 0;
197 }
198 
200 {
201  static const enum AVPixelFormat pix_fmts[] = {
209  };
210 
212  if (!fmts_list)
213  return AVERROR(ENOMEM);
214  return ff_set_common_formats(ctx, fmts_list);
215 }
216 
217 static int init_filter_param(AVFilterContext *ctx, UnsharpFilterParam *fp, const char *effect_type, int width)
218 {
219  int z;
220  UnsharpContext *s = ctx->priv;
221  const char *effect = fp->amount == 0 ? "none" : fp->amount < 0 ? "blur" : "sharpen";
222 
223  if (!(fp->msize_x & fp->msize_y & 1)) {
225  "Invalid even size for %s matrix size %dx%d\n",
226  effect_type, fp->msize_x, fp->msize_y);
227  return AVERROR(EINVAL);
228  }
229 
230  av_log(ctx, AV_LOG_VERBOSE, "effect:%s type:%s msize_x:%d msize_y:%d amount:%0.2f\n",
231  effect, effect_type, fp->msize_x, fp->msize_y, fp->amount / 65535.0);
232 
233  fp->sr = av_malloc_array((MAX_MATRIX_SIZE - 1) * s->nb_threads, sizeof(uint32_t));
234  fp->sc = av_mallocz_array(2 * fp->steps_y * s->nb_threads, sizeof(uint32_t *));
235  if (!fp->sr || !fp->sc)
236  return AVERROR(ENOMEM);
237 
238  for (z = 0; z < 2 * fp->steps_y * s->nb_threads; z++)
239  if (!(fp->sc[z] = av_malloc_array(width + 2 * fp->steps_x,
240  sizeof(*(fp->sc[z])))))
241  return AVERROR(ENOMEM);
242 
243  return 0;
244 }
245 
246 static int config_input(AVFilterLink *inlink)
247 {
248  UnsharpContext *s = inlink->dst->priv;
250  int ret;
251 
252  s->hsub = desc->log2_chroma_w;
253  s->vsub = desc->log2_chroma_h;
254  s->bitdepth = desc->comp[0].depth;
255  s->bps = s->bitdepth > 8 ? 2 : 1;
256  s->unsharp_slice = s->bitdepth > 8 ? unsharp_slice_16 : unsharp_slice_8;
257 
258  // ensure (height / nb_threads) > 4 * steps_y,
259  // so that we don't have too much overlap between two threads
260  s->nb_threads = FFMIN(ff_filter_get_nb_threads(inlink->dst),
261  inlink->h / (4 * s->luma.steps_y));
262 
263  ret = init_filter_param(inlink->dst, &s->luma, "luma", inlink->w);
264  if (ret < 0)
265  return ret;
266  ret = init_filter_param(inlink->dst, &s->chroma, "chroma", AV_CEIL_RSHIFT(inlink->w, s->hsub));
267  if (ret < 0)
268  return ret;
269 
270  return 0;
271 }
272 
273 static void free_filter_param(UnsharpFilterParam *fp, int nb_threads)
274 {
275  int z;
276 
277  if (fp->sc) {
278  for (z = 0; z < 2 * fp->steps_y * nb_threads; z++)
279  av_freep(&fp->sc[z]);
280  av_freep(&fp->sc);
281  }
282  av_freep(&fp->sr);
283 }
284 
286 {
287  UnsharpContext *s = ctx->priv;
288 
289  free_filter_param(&s->luma, s->nb_threads);
290  free_filter_param(&s->chroma, s->nb_threads);
291 }
292 
293 static int filter_frame(AVFilterLink *link, AVFrame *in)
294 {
295  UnsharpContext *s = link->dst->priv;
296  AVFilterLink *outlink = link->dst->outputs[0];
297  AVFrame *out;
298  int ret = 0;
299 
300  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
301  if (!out) {
302  av_frame_free(&in);
303  return AVERROR(ENOMEM);
304  }
306 
307  ret = s->apply_unsharp(link->dst, in, out);
308 
309  av_frame_free(&in);
310 
311  if (ret < 0) {
312  av_frame_free(&out);
313  return ret;
314  }
315  return ff_filter_frame(outlink, out);
316 }
317 
318 #define OFFSET(x) offsetof(UnsharpContext, x)
319 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
320 #define MIN_SIZE 3
321 #define MAX_SIZE 23
322 static const AVOption unsharp_options[] = {
323  { "luma_msize_x", "set luma matrix horizontal size", OFFSET(lmsize_x), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
324  { "lx", "set luma matrix horizontal size", OFFSET(lmsize_x), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
325  { "luma_msize_y", "set luma matrix vertical size", OFFSET(lmsize_y), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
326  { "ly", "set luma matrix vertical size", OFFSET(lmsize_y), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
327  { "luma_amount", "set luma effect strength", OFFSET(lamount), AV_OPT_TYPE_FLOAT, { .dbl = 1 }, -2, 5, FLAGS },
328  { "la", "set luma effect strength", OFFSET(lamount), AV_OPT_TYPE_FLOAT, { .dbl = 1 }, -2, 5, FLAGS },
329  { "chroma_msize_x", "set chroma matrix horizontal size", OFFSET(cmsize_x), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
330  { "cx", "set chroma matrix horizontal size", OFFSET(cmsize_x), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
331  { "chroma_msize_y", "set chroma matrix vertical size", OFFSET(cmsize_y), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
332  { "cy", "set chroma matrix vertical size", OFFSET(cmsize_y), AV_OPT_TYPE_INT, { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
333  { "chroma_amount", "set chroma effect strength", OFFSET(camount), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -2, 5, FLAGS },
334  { "ca", "set chroma effect strength", OFFSET(camount), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -2, 5, FLAGS },
335  { "opencl", "ignored", OFFSET(opencl), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
336  { NULL }
337 };
338 
340 
342  {
343  .name = "default",
344  .type = AVMEDIA_TYPE_VIDEO,
345  .filter_frame = filter_frame,
346  .config_props = config_input,
347  },
348  { NULL }
349 };
350 
352  {
353  .name = "default",
354  .type = AVMEDIA_TYPE_VIDEO,
355  },
356  { NULL }
357 };
358 
360  .name = "unsharp",
361  .description = NULL_IF_CONFIG_SMALL("Sharpen or blur the input video."),
362  .priv_size = sizeof(UnsharpContext),
363  .priv_class = &unsharp_class,
364  .init = init,
365  .uninit = uninit,
370 };
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
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:802
Main libavfilter public API header.
#define flags(name, subs,...)
Definition: cbs_av1.c:572
#define s(width, name)
Definition: cbs_vp9.c:257
common internal and external API header
#define FFMIN(a, b)
Definition: common.h:105
#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_FLOAT
Definition: opt.h:228
@ AV_OPT_TYPE_BOOL
Definition: opt.h:242
#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 AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
#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:203
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:658
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:210
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:190
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
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 enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
const char * desc
Definition: libsvtav1.c:79
Memory handling functions.
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
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_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
@ 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_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
@ 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:80
@ 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:78
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:411
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:401
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:412
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
#define td
Definition: regdef.h:70
#define fp
Definition: regdef.h:44
An instance of a filter.
Definition: avfilter.h:341
void * priv
private data for use by the filter
Definition: avfilter.h:356
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:353
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
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1699
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
Used for passing data between threads.
Definition: dsddec.c:67
int src_stride
Definition: vf_unsharp.c:55
UnsharpFilterParam * fp
Definition: vf_unsharp.c:51
int dst_stride
Definition: vf_unsharp.c:54
#define av_malloc_array(a, b)
#define av_freep(p)
#define av_log(a,...)
#define src
Definition: vp8dsp.c:255
FILE * out
Definition: movenc.c:54
AVFormatContext * ctx
Definition: movenc.c:48
#define height
#define width
#define MAX_MATRIX_SIZE
Definition: unsharp.h:29
static int apply_unsharp_c(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
Definition: vf_unsharp.c:145
#define MAX_SIZE
Definition: vf_unsharp.c:321
#define MIN_SIZE
Definition: vf_unsharp.c:320
static void free_filter_param(UnsharpFilterParam *fp, int nb_threads)
Definition: vf_unsharp.c:273
static void set_filter_param(UnsharpFilterParam *fp, int msize_x, int msize_y, float amount)
Definition: vf_unsharp.c:172
static int filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_unsharp.c:293
static int query_formats(AVFilterContext *ctx)
Definition: vf_unsharp.c:199
static const AVFilterPad avfilter_vf_unsharp_inputs[]
Definition: vf_unsharp.c:341
static int config_input(AVFilterLink *inlink)
Definition: vf_unsharp.c:246
#define FLAGS
Definition: vf_unsharp.c:319
static int init_filter_param(AVFilterContext *ctx, UnsharpFilterParam *fp, const char *effect_type, int width)
Definition: vf_unsharp.c:217
static const AVFilterPad avfilter_vf_unsharp_outputs[]
Definition: vf_unsharp.c:351
AVFILTER_DEFINE_CLASS(unsharp)
AVFilter ff_vf_unsharp
Definition: vf_unsharp.c:359
static av_cold int init(AVFilterContext *ctx)
Definition: vf_unsharp.c:184
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_unsharp.c:285
#define DEF_UNSHARP_SLICE_FUNC(name, nbits)
Definition: vf_unsharp.c:60
#define OFFSET(x)
Definition: vf_unsharp.c:318
static const AVOption unsharp_options[]
Definition: vf_unsharp.c:322
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