FFmpeg  4.4.5
vf_threshold.c
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1 /*
2  * Copyright (c) 2016 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  * @file
23  * threshold video filter
24  */
25 
26 #include "libavutil/imgutils.h"
27 #include "libavutil/internal.h"
28 #include "libavutil/opt.h"
29 #include "libavutil/pixdesc.h"
30 #include "avfilter.h"
31 #include "framesync.h"
32 #include "internal.h"
33 #include "video.h"
34 #include "threshold.h"
35 
36 #define OFFSET(x) offsetof(ThresholdContext, x)
37 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
38 
39 static const AVOption threshold_options[] = {
40  { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, FLAGS},
41  { NULL }
42 };
43 
45 
47 {
48  static const enum AVPixelFormat pix_fmts[] = {
68  };
69 
71 }
72 
73 typedef struct ThreadData {
74  AVFrame *in;
78  AVFrame *out;
79 } ThreadData;
80 
81 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
82 {
83  ThresholdContext *s = ctx->priv;
84  ThreadData *td = arg;
85  AVFrame *min = td->min;
86  AVFrame *max = td->max;
87  AVFrame *threshold = td->threshold;
88  AVFrame *in = td->in;
89  AVFrame *out = td->out;
90 
91  for (int p = 0; p < s->nb_planes; p++) {
92  const int h = s->height[p];
93  const int slice_start = (h * jobnr) / nb_jobs;
94  const int slice_end = (h * (jobnr+1)) / nb_jobs;
95 
96  if (!(s->planes & (1 << p))) {
97  av_image_copy_plane(out->data[p] + slice_start * out->linesize[p],
98  out->linesize[p],
99  in->data[p] + slice_start * in->linesize[p],
100  in->linesize[p],
101  s->width[p] * s->bpc,
102  slice_end - slice_start);
103  continue;
104  }
105  s->threshold(in->data[p] + slice_start * in->linesize[p],
106  threshold->data[p] + slice_start * threshold->linesize[p],
107  min->data[p] + slice_start * min->linesize[p],
108  max->data[p] + slice_start * max->linesize[p],
109  out->data[p] + slice_start * out->linesize[p],
110  in->linesize[p], threshold->linesize[p],
111  min->linesize[p], max->linesize[p],
112  out->linesize[p],
113  s->width[p], slice_end - slice_start);
114  }
115 
116  return 0;
117 }
118 
120 {
121  AVFilterContext *ctx = fs->parent;
122  ThresholdContext *s = fs->opaque;
123  AVFilterLink *outlink = ctx->outputs[0];
124  AVFrame *out, *in, *threshold, *min, *max;
125  ThreadData td;
126  int ret;
127 
128  if ((ret = ff_framesync_get_frame(&s->fs, 0, &in, 0)) < 0 ||
129  (ret = ff_framesync_get_frame(&s->fs, 1, &threshold, 0)) < 0 ||
130  (ret = ff_framesync_get_frame(&s->fs, 2, &min, 0)) < 0 ||
131  (ret = ff_framesync_get_frame(&s->fs, 3, &max, 0)) < 0)
132  return ret;
133 
134  if (ctx->is_disabled) {
135  out = av_frame_clone(in);
136  if (!out)
137  return AVERROR(ENOMEM);
138  } else {
139  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
140  if (!out)
141  return AVERROR(ENOMEM);
143 
144  td.out = out;
145  td.in = in;
146  td.threshold = threshold;
147  td.min = min;
148  td.max = max;
149  ctx->internal->execute(ctx, filter_slice, &td, NULL,
150  FFMIN(s->height[2], ff_filter_get_nb_threads(ctx)));
151  }
152 
153  out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
154 
155  return ff_filter_frame(outlink, out);
156 }
157 
158 static void threshold8(const uint8_t *in, const uint8_t *threshold,
159  const uint8_t *min, const uint8_t *max,
160  uint8_t *out,
161  ptrdiff_t ilinesize, ptrdiff_t tlinesize,
162  ptrdiff_t flinesize, ptrdiff_t slinesize,
163  ptrdiff_t olinesize,
164  int w, int h)
165 {
166  int x, y;
167 
168  for (y = 0; y < h; y++) {
169  for (x = 0; x < w; x++) {
170  out[x] = in[x] < threshold[x] ? min[x] : max[x];
171  }
172 
173  in += ilinesize;
174  threshold += tlinesize;
175  min += flinesize;
176  max += slinesize;
177  out += olinesize;
178  }
179 }
180 
181 static void threshold16(const uint8_t *iin, const uint8_t *tthreshold,
182  const uint8_t *ffirst, const uint8_t *ssecond,
183  uint8_t *oout,
184  ptrdiff_t ilinesize, ptrdiff_t tlinesize,
185  ptrdiff_t flinesize, ptrdiff_t slinesize,
186  ptrdiff_t olinesize,
187  int w, int h)
188 {
189  const uint16_t *in = (const uint16_t *)iin;
190  const uint16_t *threshold = (const uint16_t *)tthreshold;
191  const uint16_t *min = (const uint16_t *)ffirst;
192  const uint16_t *max = (const uint16_t *)ssecond;
193  uint16_t *out = (uint16_t *)oout;
194  int x, y;
195 
196  for (y = 0; y < h; y++) {
197  for (x = 0; x < w; x++) {
198  out[x] = in[x] < threshold[x] ? min[x] : max[x];
199  }
200 
201  in += ilinesize / 2;
202  threshold += tlinesize / 2;
203  min += flinesize / 2;
204  max += slinesize / 2;
205  out += olinesize / 2;
206  }
207 }
208 
209 static int config_input(AVFilterLink *inlink)
210 {
211  AVFilterContext *ctx = inlink->dst;
212  ThresholdContext *s = ctx->priv;
214  int vsub, hsub;
215 
216  s->nb_planes = av_pix_fmt_count_planes(inlink->format);
217 
218  hsub = desc->log2_chroma_w;
219  vsub = desc->log2_chroma_h;
220  s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
221  s->height[0] = s->height[3] = inlink->h;
222  s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
223  s->width[0] = s->width[3] = inlink->w;
224  s->depth = desc->comp[0].depth;
225 
227 
228  return 0;
229 }
230 
232 {
233  if (s->depth == 8) {
234  s->threshold = threshold8;
235  s->bpc = 1;
236  } else {
237  s->threshold = threshold16;
238  s->bpc = 2;
239  }
240 
241  if (ARCH_X86)
243 }
244 
245 static int config_output(AVFilterLink *outlink)
246 {
247  AVFilterContext *ctx = outlink->src;
248  ThresholdContext *s = ctx->priv;
249  AVFilterLink *base = ctx->inputs[0];
250  AVFilterLink *threshold = ctx->inputs[1];
251  AVFilterLink *min = ctx->inputs[2];
252  AVFilterLink *max = ctx->inputs[3];
253  FFFrameSyncIn *in;
254  int ret;
255 
256  if (base->format != threshold->format ||
257  base->format != min->format ||
258  base->format != max->format) {
259  av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
260  return AVERROR(EINVAL);
261  }
262  if (base->w != threshold->w ||
263  base->h != threshold->h ||
264  base->w != min->w ||
265  base->h != min->h ||
266  base->w != max->w ||
267  base->h != max->h) {
268  av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
269  "(size %dx%d) do not match the corresponding "
270  "second input link %s parameters (%dx%d) "
271  "and/or third input link %s parameters (%dx%d) "
272  "and/or fourth input link %s parameters (%dx%d)\n",
273  ctx->input_pads[0].name, base->w, base->h,
274  ctx->input_pads[1].name, threshold->w, threshold->h,
275  ctx->input_pads[2].name, min->w, min->h,
276  ctx->input_pads[3].name, max->w, max->h);
277  return AVERROR(EINVAL);
278  }
279 
280  outlink->w = base->w;
281  outlink->h = base->h;
282  outlink->sample_aspect_ratio = base->sample_aspect_ratio;
283  outlink->frame_rate = base->frame_rate;
284 
285  if ((ret = ff_framesync_init(&s->fs, ctx, 4)) < 0)
286  return ret;
287 
288  in = s->fs.in;
289  in[0].time_base = base->time_base;
290  in[1].time_base = threshold->time_base;
291  in[2].time_base = min->time_base;
292  in[3].time_base = max->time_base;
293  in[0].sync = 1;
294  in[0].before = EXT_STOP;
295  in[0].after = EXT_STOP;
296  in[1].sync = 1;
297  in[1].before = EXT_STOP;
298  in[1].after = EXT_STOP;
299  in[2].sync = 1;
300  in[2].before = EXT_STOP;
301  in[2].after = EXT_STOP;
302  in[3].sync = 1;
303  in[3].before = EXT_STOP;
304  in[3].after = EXT_STOP;
305  s->fs.opaque = s;
306  s->fs.on_event = process_frame;
307 
308  ret = ff_framesync_configure(&s->fs);
309  outlink->time_base = s->fs.time_base;
310 
311  return ret;
312 }
313 
315 {
316  ThresholdContext *s = ctx->priv;
317  return ff_framesync_activate(&s->fs);
318 }
319 
321 {
322  ThresholdContext *s = ctx->priv;
323 
324  ff_framesync_uninit(&s->fs);
325 }
326 
327 static const AVFilterPad inputs[] = {
328  {
329  .name = "default",
330  .type = AVMEDIA_TYPE_VIDEO,
331  .config_props = config_input,
332  },
333  {
334  .name = "threshold",
335  .type = AVMEDIA_TYPE_VIDEO,
336  },
337  {
338  .name = "min",
339  .type = AVMEDIA_TYPE_VIDEO,
340  },
341  {
342  .name = "max",
343  .type = AVMEDIA_TYPE_VIDEO,
344  },
345  { NULL }
346 };
347 
348 static const AVFilterPad outputs[] = {
349  {
350  .name = "default",
351  .type = AVMEDIA_TYPE_VIDEO,
352  .config_props = config_output,
353  },
354  { NULL }
355 };
356 
358  .name = "threshold",
359  .description = NULL_IF_CONFIG_SMALL("Threshold first video stream using other video streams."),
360  .priv_size = sizeof(ThresholdContext),
361  .priv_class = &threshold_class,
362  .uninit = uninit,
364  .activate = activate,
365  .inputs = inputs,
366  .outputs = outputs,
368 };
#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
#define fs(width, name, subs,...)
Definition: cbs_vp9.c:259
#define FFMIN(a, b)
Definition: common.h:105
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
#define ARCH_X86
Definition: config.h:39
#define NULL
Definition: coverity.c:32
#define max(a, b)
Definition: cuda_runtime.h:33
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
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
Definition: framesync.c:124
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
Definition: framesync.c:341
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
Definition: framesync.c:253
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
Definition: framesync.c:290
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
Definition: framesync.c:84
@ EXT_STOP
Completely stop all streams with this one.
Definition: framesync.h:65
@ AV_OPT_TYPE_INT
Definition: opt.h:225
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
#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:134
#define AVERROR(e)
Definition: error.h:43
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:540
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_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
@ 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
misc image utilities
const char * arg
Definition: jacosubdec.c:66
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_threshold.c:81
static int query_formats(AVFilterContext *ctx)
Definition: vf_threshold.c:46
static void threshold8(const uint8_t *in, const uint8_t *threshold, const uint8_t *min, const uint8_t *max, uint8_t *out, ptrdiff_t ilinesize, ptrdiff_t tlinesize, ptrdiff_t flinesize, ptrdiff_t slinesize, ptrdiff_t olinesize, int w, int h)
Definition: vf_threshold.c:158
static int config_input(AVFilterLink *inlink)
Definition: vf_threshold.c:209
static const AVOption threshold_options[]
Definition: vf_threshold.c:39
#define FLAGS
Definition: vf_threshold.c:37
static const AVFilterPad inputs[]
Definition: vf_threshold.c:327
static const AVFilterPad outputs[]
Definition: vf_threshold.c:348
static void threshold16(const uint8_t *iin, const uint8_t *tthreshold, const uint8_t *ffirst, const uint8_t *ssecond, uint8_t *oout, ptrdiff_t ilinesize, ptrdiff_t tlinesize, ptrdiff_t flinesize, ptrdiff_t slinesize, ptrdiff_t olinesize, int w, int h)
Definition: vf_threshold.c:181
AVFILTER_DEFINE_CLASS(threshold)
static int activate(AVFilterContext *ctx)
Definition: vf_threshold.c:314
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_threshold.c:320
void ff_threshold_init(ThresholdContext *s)
Definition: vf_threshold.c:231
#define OFFSET(x)
Definition: vf_threshold.c:36
static int config_output(AVFilterLink *outlink)
Definition: vf_threshold.c:245
AVFilter ff_vf_threshold
Definition: vf_threshold.c:357
static int process_frame(FFFrameSync *fs)
Definition: vf_threshold.c:119
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
uint8_t w
Definition: llviddspenc.c:39
static const struct @322 planes[]
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2033
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
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_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_YUV440P10
Definition: pixfmt.h:401
#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_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
#define td
Definition: regdef.h:70
An instance of a filter.
Definition: avfilter.h:341
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
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
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
Input stream structure.
Definition: framesync.h:81
Frame sync structure.
Definition: framesync.h:146
Used for passing data between threads.
Definition: dsddec.c:67
AVFrame * out
Definition: af_adeclick.c:502
AVFrame * max
Definition: vf_threshold.c:77
AVFrame * threshold
Definition: vf_threshold.c:75
AVFrame * min
Definition: vf_threshold.c:76
AVFrame * in
Definition: af_adenorm.c:223
#define av_log(a,...)
FILE * out
Definition: movenc.c:54
AVFormatContext * ctx
Definition: movenc.c:48
void ff_threshold_init_x86(ThresholdContext *s)
static void hsub(htype *dst, const htype *src, int bins)
Definition: vf_median.c:75
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 min
uint8_t base
Definition: vp3data.h:141