FFmpeg  4.4.4
vf_deblock.c
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1 /*
2  * Copyright (c) 2018 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 /*
22  * Based on paper: A Simple and Efficient Deblocking Algorithm for Low Bit-Rate Video Coding.
23  */
24 
25 #include "libavutil/imgutils.h"
26 #include "libavutil/opt.h"
27 #include "libavutil/pixdesc.h"
28 
29 #include "avfilter.h"
30 #include "formats.h"
31 #include "internal.h"
32 #include "video.h"
33 
35 
36 typedef struct DeblockContext {
37  const AVClass *class;
39  int filter;
40  int block;
41  int planes;
42  float alpha;
43  float beta;
44  float gamma;
45  float delta;
46 
47  int ath;
48  int bth;
49  int gth;
50  int dth;
51  int max;
52  int depth;
53  int bpc;
54  int nb_planes;
55  int planewidth[4];
56  int planeheight[4];
57 
58  void (*deblockh)(uint8_t *dst, ptrdiff_t dst_linesize, int block,
59  int ath, int bth, int gth, int dth, int max);
60  void (*deblockv)(uint8_t *dst, ptrdiff_t dst_linesize, int block,
61  int ath, int bth, int gth, int dth, int max);
63 
65 {
66  static const enum AVPixelFormat pixel_fmts[] = {
86  };
88  if (!formats)
89  return AVERROR(ENOMEM);
91 }
92 
93 #define WEAK_HFILTER(name, type, ldiv) \
94 static void deblockh##name##_weak(uint8_t *dstp, ptrdiff_t dst_linesize, int block, \
95  int ath, int bth, int gth, int dth, int max) \
96 { \
97  type *dst; \
98  int x; \
99  \
100  dst = (type *)dstp; \
101  dst_linesize /= ldiv; \
102  \
103  for (x = 0; x < block; x++) { \
104  int delta = dst[x] - dst[x - dst_linesize]; \
105  int A, B, C, D, a, b, c, d; \
106  \
107  if (FFABS(delta) >= ath || \
108  FFABS(dst[x - 1 * dst_linesize] - dst[x - 2 * dst_linesize]) >= bth || \
109  FFABS(dst[x + 0 * dst_linesize] - dst[x + 1 * dst_linesize]) >= gth) \
110  continue; \
111  \
112  A = dst[x - 2 * dst_linesize]; \
113  B = dst[x - 1 * dst_linesize]; \
114  C = dst[x + 0 * dst_linesize]; \
115  D = dst[x + 1 * dst_linesize]; \
116  \
117  a = A + delta / 8; \
118  b = B + delta / 2; \
119  c = C - delta / 2; \
120  d = D - delta / 8; \
121  \
122  dst[x - 2 * dst_linesize] = av_clip(a, 0, max); \
123  dst[x - 1 * dst_linesize] = av_clip(b, 0, max); \
124  dst[x + 0 * dst_linesize] = av_clip(c, 0, max); \
125  dst[x + 1 * dst_linesize] = av_clip(d, 0, max); \
126  } \
127 }
128 
129 WEAK_HFILTER(8, uint8_t, 1)
130 WEAK_HFILTER(16, uint16_t, 2)
131 
132 #define WEAK_VFILTER(name, type, ldiv) \
133 static void deblockv##name##_weak(uint8_t *dstp, ptrdiff_t dst_linesize, int block, \
134  int ath, int bth, int gth, int dth, int max) \
135 { \
136  type *dst; \
137  int y; \
138  \
139  dst = (type *)dstp; \
140  dst_linesize /= ldiv; \
141  \
142  for (y = 0; y < block; y++) { \
143  int delta = dst[0] - dst[-1]; \
144  int A, B, C, D, a, b, c, d; \
145  \
146  if (FFABS(delta) >= ath || \
147  FFABS(dst[-1] - dst[-2]) >= bth || \
148  FFABS(dst[0] - dst[1]) >= gth) \
149  continue; \
150  \
151  A = dst[-2]; \
152  B = dst[-1]; \
153  C = dst[+0]; \
154  D = dst[+1]; \
155  \
156  a = A + delta / 8; \
157  b = B + delta / 2; \
158  c = C - delta / 2; \
159  d = D - delta / 8; \
160  \
161  dst[-2] = av_clip(a, 0, max); \
162  dst[-1] = av_clip(b, 0, max); \
163  dst[+0] = av_clip(c, 0, max); \
164  dst[+1] = av_clip(d, 0, max); \
165  \
166  dst += dst_linesize; \
167  } \
168 }
169 
170 WEAK_VFILTER(8, uint8_t, 1)
171 WEAK_VFILTER(16, uint16_t, 2)
172 
173 #define STRONG_HFILTER(name, type, ldiv) \
174 static void deblockh##name##_strong(uint8_t *dstp, ptrdiff_t dst_linesize, int block,\
175  int ath, int bth, int gth, int dth, int max) \
176 { \
177  type *dst; \
178  int x; \
179  \
180  dst = (type *)dstp; \
181  dst_linesize /= ldiv; \
182  \
183  for (x = 0; x < block; x++) { \
184  int A, B, C, D, E, F, a, b, c, d, e, f; \
185  int delta = dst[x] - dst[x - dst_linesize]; \
186  \
187  if (FFABS(delta) >= ath || \
188  FFABS(dst[x - 1 * dst_linesize] - dst[x - 2 * dst_linesize]) >= bth || \
189  FFABS(dst[x + 1 * dst_linesize] - dst[x + 2 * dst_linesize]) >= gth || \
190  FFABS(dst[x + 0 * dst_linesize] - dst[x + 1 * dst_linesize]) >= dth) \
191  continue; \
192  \
193  A = dst[x - 3 * dst_linesize]; \
194  B = dst[x - 2 * dst_linesize]; \
195  C = dst[x - 1 * dst_linesize]; \
196  D = dst[x + 0 * dst_linesize]; \
197  E = dst[x + 1 * dst_linesize]; \
198  F = dst[x + 2 * dst_linesize]; \
199  \
200  a = A + delta / 8; \
201  b = B + delta / 4; \
202  c = C + delta / 2; \
203  d = D - delta / 2; \
204  e = E - delta / 4; \
205  f = F - delta / 8; \
206  \
207  dst[x - 3 * dst_linesize] = av_clip(a, 0, max); \
208  dst[x - 2 * dst_linesize] = av_clip(b, 0, max); \
209  dst[x - 1 * dst_linesize] = av_clip(c, 0, max); \
210  dst[x + 0 * dst_linesize] = av_clip(d, 0, max); \
211  dst[x + 1 * dst_linesize] = av_clip(e, 0, max); \
212  dst[x + 2 * dst_linesize] = av_clip(f, 0, max); \
213  } \
214 }
215 
216 STRONG_HFILTER(8, uint8_t, 1)
217 STRONG_HFILTER(16, uint16_t, 2)
218 
219 #define STRONG_VFILTER(name, type, ldiv) \
220 static void deblockv##name##_strong(uint8_t *dstp, ptrdiff_t dst_linesize, int block,\
221  int ath, int bth, int gth, int dth, int max) \
222 { \
223  type *dst; \
224  int y; \
225  \
226  dst = (type *)dstp; \
227  dst_linesize /= ldiv; \
228  \
229  for (y = 0; y < block; y++) { \
230  int A, B, C, D, E, F, a, b, c, d, e, f; \
231  int delta = dst[0] - dst[-1]; \
232  \
233  if (FFABS(delta) >= ath || \
234  FFABS(dst[-1] - dst[-2]) >= bth || \
235  FFABS(dst[+1] - dst[+2]) >= gth || \
236  FFABS(dst[+0] - dst[+1]) >= dth) \
237  continue; \
238  \
239  A = dst[-3]; \
240  B = dst[-2]; \
241  C = dst[-1]; \
242  D = dst[+0]; \
243  E = dst[+1]; \
244  F = dst[+2]; \
245  \
246  a = A + delta / 8; \
247  b = B + delta / 4; \
248  c = C + delta / 2; \
249  d = D - delta / 2; \
250  e = E - delta / 4; \
251  f = F - delta / 8; \
252  \
253  dst[-3] = av_clip(a, 0, max); \
254  dst[-2] = av_clip(b, 0, max); \
255  dst[-1] = av_clip(c, 0, max); \
256  dst[+0] = av_clip(d, 0, max); \
257  dst[+1] = av_clip(e, 0, max); \
258  dst[+2] = av_clip(f, 0, max); \
259  \
260  dst += dst_linesize; \
261  } \
262 }
263 
264 STRONG_VFILTER(8, uint8_t, 1)
265 STRONG_VFILTER(16, uint16_t, 2)
266 
267 static int config_output(AVFilterLink *outlink)
268 {
269  AVFilterContext *ctx = outlink->src;
270  DeblockContext *s = ctx->priv;
271  AVFilterLink *inlink = ctx->inputs[0];
272 
273  s->desc = av_pix_fmt_desc_get(outlink->format);
274  if (!s->desc)
275  return AVERROR_BUG;
276  s->nb_planes = av_pix_fmt_count_planes(outlink->format);
277  s->depth = s->desc->comp[0].depth;
278  s->bpc = (s->depth + 7) / 8;
279  s->max = (1 << s->depth) - 1;
280  s->ath = s->alpha * s->max;
281  s->bth = s->beta * s->max;
282  s->gth = s->gamma * s->max;
283  s->dth = s->delta * s->max;
284 
285  if (s->depth <= 8 && s->filter == WEAK) {
286  s->deblockh = deblockh8_weak;
287  s->deblockv = deblockv8_weak;
288  } else if (s->depth > 8 && s->filter == WEAK) {
289  s->deblockh = deblockh16_weak;
290  s->deblockv = deblockv16_weak;
291  }
292  if (s->depth <= 8 && s->filter == STRONG) {
293  s->deblockh = deblockh8_strong;
294  s->deblockv = deblockv8_strong;
295  } else if (s->depth > 8 && s->filter == STRONG) {
296  s->deblockh = deblockh16_strong;
297  s->deblockv = deblockv16_strong;
298  }
299 
300  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, s->desc->log2_chroma_w);
301  s->planewidth[0] = s->planewidth[3] = inlink->w;
302 
303  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h);
304  s->planeheight[0] = s->planeheight[3] = inlink->h;
305 
306  return 0;
307 }
308 
309 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
310 {
311  AVFilterContext *ctx = inlink->dst;
312  AVFilterLink *outlink = ctx->outputs[0];
313  DeblockContext *s = ctx->priv;
314  const int block = s->block;
315  AVFrame *out;
316  int plane, x, y;
317 
318  if (av_frame_is_writable(in)) {
319  out = in;
320  } else {
321  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
322  if (!out) {
323  av_frame_free(&in);
324  return AVERROR(ENOMEM);
325  }
327  }
328 
329  for (plane = 0; plane < s->nb_planes; plane++) {
330  const int width = s->planewidth[plane];
331  const int height = s->planeheight[plane];
332  const uint8_t *src = (const uint8_t *)in->data[plane];
333  uint8_t *dst = (uint8_t *)out->data[plane];
334 
335  if (in != out)
336  av_image_copy_plane(dst, out->linesize[plane],
337  src, in->linesize[plane],
338  width * s->bpc, height);
339 
340  if (!((1 << plane) & s->planes))
341  continue;
342 
343  for (x = block; x < width; x += block)
344  s->deblockv(dst + x * s->bpc, out->linesize[plane],
345  FFMIN(block, height), s->ath, s->bth, s->gth, s->dth, s->max);
346 
347  for (y = block; y < height; y += block) {
348  dst += out->linesize[plane] * block;
349 
350  s->deblockh(dst, out->linesize[plane],
351  FFMIN(block, width),
352  s->ath, s->bth, s->gth, s->dth, s->max);
353 
354  for (x = block; x < width; x += block) {
355  s->deblockh(dst + x * s->bpc, out->linesize[plane],
356  FFMIN(block, width - x),
357  s->ath, s->bth, s->gth, s->dth, s->max);
358  s->deblockv(dst + x * s->bpc, out->linesize[plane],
359  FFMIN(block, height - y),
360  s->ath, s->bth, s->gth, s->dth, s->max);
361  }
362  }
363  }
364 
365  if (in != out)
366  av_frame_free(&in);
367  return ff_filter_frame(outlink, out);
368 }
369 
370 static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
371  char *res, int res_len, int flags)
372 {
373  int ret;
374 
375  ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
376  if (ret < 0)
377  return ret;
378 
379  return config_output(ctx->outputs[0]);
380 }
381 
382 #define OFFSET(x) offsetof(DeblockContext, x)
383 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
384 
385 static const AVOption deblock_options[] = {
386  { "filter", "set type of filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=STRONG},0, 1, FLAGS, "filter" },
387  { "weak", 0, 0, AV_OPT_TYPE_CONST, {.i64=WEAK}, 0, 0, FLAGS, "filter" },
388  { "strong", 0, 0, AV_OPT_TYPE_CONST, {.i64=STRONG},0, 0, FLAGS, "filter" },
389  { "block", "set size of block", OFFSET(block), AV_OPT_TYPE_INT, {.i64=8}, 4, 512, FLAGS },
390  { "alpha", "set 1st detection threshold", OFFSET(alpha), AV_OPT_TYPE_FLOAT, {.dbl=.098}, 0, 1, FLAGS },
391  { "beta", "set 2nd detection threshold", OFFSET(beta), AV_OPT_TYPE_FLOAT, {.dbl=.05}, 0, 1, FLAGS },
392  { "gamma", "set 3rd detection threshold", OFFSET(gamma), AV_OPT_TYPE_FLOAT, {.dbl=.05}, 0, 1, FLAGS },
393  { "delta", "set 4th detection threshold", OFFSET(delta), AV_OPT_TYPE_FLOAT, {.dbl=.05}, 0, 1, FLAGS },
394  { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, FLAGS },
395  { NULL },
396 };
397 
398 static const AVFilterPad inputs[] = {
399  {
400  .name = "default",
401  .type = AVMEDIA_TYPE_VIDEO,
402  .filter_frame = filter_frame,
403  },
404  { NULL }
405 };
406 
407 static const AVFilterPad outputs[] = {
408  {
409  .name = "default",
410  .type = AVMEDIA_TYPE_VIDEO,
411  .config_props = config_output,
412  },
413  { NULL }
414 };
415 
417 
419  .name = "deblock",
420  .description = NULL_IF_CONFIG_SMALL("Deblock video."),
421  .priv_size = sizeof(DeblockContext),
422  .priv_class = &deblock_class,
424  .inputs = inputs,
425  .outputs = outputs,
428 };
FilterType
Definition: af_adenorm.c:26
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_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:882
Main libavfilter public API header.
#define flags(name, subs,...)
Definition: cbs_av1.c:561
#define s(width, name)
Definition: cbs_vp9.c:257
static av_always_inline void filter(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int len, int clip)
Definition: cfhddsp.c:27
#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_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:126
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#define AVERROR(e)
Definition: error.h:43
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:594
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:658
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
Definition: imgutils.c:373
static const int16_t alpha[]
Definition: ilbcdata.h:55
misc image utilities
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 const struct @322 planes[]
AVOptions.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2613
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:420
#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_GRAY9
Definition: pixfmt.h:379
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:421
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:414
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:438
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:441
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:436
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:381
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:433
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:437
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:407
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
@ AV_PIX_FMT_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_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
@ 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:258
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
@ 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_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
@ 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_YUVA422P12
Definition: pixfmt.h:439
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:408
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:380
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:382
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:411
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:383
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:419
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:443
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:442
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:418
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:409
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:435
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:440
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:412
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
typedef void(RENAME(mix_any_func_type))
formats
Definition: signature.h:48
Describe the class of an AVClass context structure.
Definition: log.h:67
An instance of a filter.
Definition: avfilter.h:341
A list of supported formats for one end of a filter link.
Definition: formats.h:65
A filter pad used for either input or output.
Definition: internal.h:54
const char * name
Pad name.
Definition: internal.h:60
Filter definition.
Definition: avfilter.h:145
const char * name
Filter name.
Definition: avfilter.h:149
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
AVOption.
Definition: opt.h:248
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
void(* deblockv)(uint8_t *dst, ptrdiff_t dst_linesize, int block, int ath, int bth, int gth, int dth, int max)
Definition: vf_deblock.c:60
void(* deblockh)(uint8_t *dst, ptrdiff_t dst_linesize, int block, int ath, int bth, int gth, int dth, int max)
Definition: vf_deblock.c:58
int planeheight[4]
Definition: vf_deblock.c:56
const AVPixFmtDescriptor * desc
Definition: vf_deblock.c:38
int planewidth[4]
Definition: vf_deblock.c:55
#define src
Definition: vp8dsp.c:255
static int16_t block[64]
Definition: dct.c:116
FILE * out
Definition: movenc.c:54
AVFormatContext * ctx
Definition: movenc.c:48
#define height
#define width
#define WEAK_VFILTER(name, type, ldiv)
Definition: vf_deblock.c:132
#define WEAK_HFILTER(name, type, ldiv)
Definition: vf_deblock.c:93
static const AVOption deblock_options[]
Definition: vf_deblock.c:385
#define STRONG_HFILTER(name, type, ldiv)
Definition: vf_deblock.c:173
static int query_formats(AVFilterContext *ctx)
Definition: vf_deblock.c:64
#define STRONG_VFILTER(name, type, ldiv)
Definition: vf_deblock.c:219
#define FLAGS
Definition: vf_deblock.c:383
static const AVFilterPad inputs[]
Definition: vf_deblock.c:398
static const AVFilterPad outputs[]
Definition: vf_deblock.c:407
@ NB_FILTER
Definition: vf_deblock.c:34
@ STRONG
Definition: vf_deblock.c:34
@ WEAK
Definition: vf_deblock.c:34
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_deblock.c:309
AVFILTER_DEFINE_CLASS(deblock)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: vf_deblock.c:370
AVFilter ff_vf_deblock
Definition: vf_deblock.c:418
#define OFFSET(x)
Definition: vf_deblock.c:382
static int config_output(AVFilterLink *outlink)
Definition: vf_deblock.c:267
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
float delta