FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_maskedminmax.c
Date: 2024-04-12 08:31:17
Exec Total Coverage
Lines: 0 124 0.0%
Functions: 0 13 0.0%
Branches: 0 66 0.0%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2019 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/pixdesc.h"
23 #include "libavutil/opt.h"
24 #include "avfilter.h"
25 #include "internal.h"
26 #include "video.h"
27 #include "framesync.h"
28
29 #define OFFSET(x) offsetof(MaskedMinMaxContext, x)
30 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
31
32 typedef struct ThreadData {
33 AVFrame *src, *f1, *f2, *dst;
34 } ThreadData;
35
36 typedef struct MaskedMinMaxContext {
37 const AVClass *class;
38
39 int planes;
40 int maskedmin;
41
42 int linesize[4];
43 int planewidth[4], planeheight[4];
44 int nb_planes;
45 int depth;
46 FFFrameSync fs;
47
48 void (*maskedminmax)(const uint8_t *src, uint8_t *dst, const uint8_t *f1, const uint8_t *f2, int w);
49 } MaskedMinMaxContext;
50
51 static const AVOption maskedminmax_options[] = {
52 { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
53 { NULL }
54 };
55
56 static av_cold int maskedmin_init(AVFilterContext *ctx)
57 {
58 MaskedMinMaxContext *s = ctx->priv;
59
60 s->maskedmin = 1;
61
62 return 0;
63 }
64
65 static const enum AVPixelFormat pix_fmts[] = {
66 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
67 AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
68 AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
69 AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
70 AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
71 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
72 AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
73 AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
74 AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
75 AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
76 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
77 AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
78 AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
79 AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
80 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
81 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
82 AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
83 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
84 AV_PIX_FMT_GRAYF32, AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32,
85 AV_PIX_FMT_NONE
86 };
87
88 #define MASKED(n, type, op) \
89 static void masked##n(const uint8_t *ssrc, uint8_t *ddst, \
90 const uint8_t *ff1, \
91 const uint8_t *ff2, int w) \
92 { \
93 const type *src = (const type *)ssrc; \
94 const type *f1 = (const type *)ff1; \
95 const type *f2 = (const type *)ff2; \
96 type *dst = (type *)ddst; \
97 \
98 for (int x = 0; x < w; x++) \
99 dst[x] = FFABS(src[x] - f2[x]) op FFABS(src[x] - f1[x]) ? f2[x] : f1[x]; \
100 }
101
102 MASKED(min8, uint8_t, <)
103 MASKED(max8, uint8_t, >)
104 MASKED(min16, uint16_t, <)
105 MASKED(max16, uint16_t, >)
106 MASKED(min32, float, <)
107 MASKED(max32, float, >)
108
109 static int config_input(AVFilterLink *inlink)
110 {
111 AVFilterContext *ctx = inlink->dst;
112 MaskedMinMaxContext *s = ctx->priv;
113 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
114 int vsub, hsub, ret;
115
116 s->nb_planes = av_pix_fmt_count_planes(inlink->format);
117
118 if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
119 return ret;
120
121 hsub = desc->log2_chroma_w;
122 vsub = desc->log2_chroma_h;
123 s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
124 s->planeheight[0] = s->planeheight[3] = inlink->h;
125 s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
126 s->planewidth[0] = s->planewidth[3] = inlink->w;
127
128 s->depth = desc->comp[0].depth;
129
130 if (desc->comp[0].depth == 8)
131 s->maskedminmax = s->maskedmin ? maskedmin8 : maskedmax8;
132 else if (desc->comp[0].depth <= 16)
133 s->maskedminmax = s->maskedmin ? maskedmin16 : maskedmax16;
134 else
135 s->maskedminmax = s->maskedmin ? maskedmin32 : maskedmax32;
136
137 return 0;
138 }
139
140 static int maskedminmax_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
141 {
142 MaskedMinMaxContext *s = ctx->priv;
143 ThreadData *td = arg;
144
145 for (int p = 0; p < s->nb_planes; p++) {
146 const ptrdiff_t src_linesize = td->src->linesize[p];
147 const ptrdiff_t f1_linesize = td->f1->linesize[p];
148 const ptrdiff_t f2_linesize = td->f2->linesize[p];
149 const ptrdiff_t dst_linesize = td->dst->linesize[p];
150 const int w = s->planewidth[p];
151 const int h = s->planeheight[p];
152 const int slice_start = (h * jobnr) / nb_jobs;
153 const int slice_end = (h * (jobnr+1)) / nb_jobs;
154 const uint8_t *src = td->src->data[p] + slice_start * src_linesize;
155 const uint8_t *f1 = td->f1->data[p] + slice_start * f1_linesize;
156 const uint8_t *f2 = td->f2->data[p] + slice_start * f2_linesize;
157 uint8_t *dst = td->dst->data[p] + slice_start * dst_linesize;
158
159 if (!((1 << p) & s->planes)) {
160 av_image_copy_plane(dst, dst_linesize, src, src_linesize,
161 s->linesize[p], slice_end - slice_start);
162 continue;
163 }
164
165 for (int y = slice_start; y < slice_end; y++) {
166 s->maskedminmax(src, dst, f1, f2, w);
167
168 dst += dst_linesize;
169 src += src_linesize;
170 f1 += f1_linesize;
171 f2 += f2_linesize;
172 }
173 }
174
175 return 0;
176 }
177
178 static int process_frame(FFFrameSync *fs)
179 {
180 AVFilterContext *ctx = fs->parent;
181 MaskedMinMaxContext *s = fs->opaque;
182 AVFilterLink *outlink = ctx->outputs[0];
183 AVFrame *out, *src, *f1, *f2;
184 int ret;
185
186 if ((ret = ff_framesync_get_frame(&s->fs, 0, &src, 0)) < 0 ||
187 (ret = ff_framesync_get_frame(&s->fs, 1, &f1, 0)) < 0 ||
188 (ret = ff_framesync_get_frame(&s->fs, 2, &f2, 0)) < 0)
189 return ret;
190
191 if (ctx->is_disabled) {
192 out = av_frame_clone(src);
193 if (!out)
194 return AVERROR(ENOMEM);
195 } else {
196 ThreadData td;
197
198 out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
199 if (!out)
200 return AVERROR(ENOMEM);
201 av_frame_copy_props(out, src);
202
203 td.src = src;
204 td.f1 = f1;
205 td.f2 = f2;
206 td.dst = out;
207
208 ff_filter_execute(ctx, maskedminmax_slice, &td, NULL,
209 FFMIN(s->planeheight[0], ff_filter_get_nb_threads(ctx)));
210 }
211 out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
212
213 return ff_filter_frame(outlink, out);
214 }
215
216 static int config_output(AVFilterLink *outlink)
217 {
218 AVFilterContext *ctx = outlink->src;
219 MaskedMinMaxContext *s = ctx->priv;
220 AVFilterLink *source = ctx->inputs[0];
221 AVFilterLink *f1 = ctx->inputs[1];
222 AVFilterLink *f2 = ctx->inputs[2];
223 FFFrameSyncIn *in;
224 int ret;
225
226 if (source->w != f1->w || source->h != f1->h ||
227 source->w != f2->w || source->h != f2->h) {
228 av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
229 "(size %dx%d) do not match the corresponding "
230 "second input link %s parameters (%dx%d) "
231 "and/or third input link %s parameters (size %dx%d)\n",
232 ctx->input_pads[0].name, source->w, source->h,
233 ctx->input_pads[1].name, f1->w, f1->h,
234 ctx->input_pads[2].name, f2->w, f2->h);
235 return AVERROR(EINVAL);
236 }
237
238 outlink->w = source->w;
239 outlink->h = source->h;
240 outlink->sample_aspect_ratio = source->sample_aspect_ratio;
241 outlink->frame_rate = source->frame_rate;
242
243 if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
244 return ret;
245
246 in = s->fs.in;
247 in[0].time_base = source->time_base;
248 in[1].time_base = f1->time_base;
249 in[2].time_base = f2->time_base;
250 in[0].sync = 1;
251 in[0].before = EXT_STOP;
252 in[0].after = EXT_INFINITY;
253 in[1].sync = 1;
254 in[1].before = EXT_STOP;
255 in[1].after = EXT_INFINITY;
256 in[2].sync = 1;
257 in[2].before = EXT_STOP;
258 in[2].after = EXT_INFINITY;
259 s->fs.opaque = s;
260 s->fs.on_event = process_frame;
261
262 ret = ff_framesync_configure(&s->fs);
263 outlink->time_base = s->fs.time_base;
264
265 return ret;
266 }
267
268 static int activate(AVFilterContext *ctx)
269 {
270 MaskedMinMaxContext *s = ctx->priv;
271 return ff_framesync_activate(&s->fs);
272 }
273
274 static av_cold void uninit(AVFilterContext *ctx)
275 {
276 MaskedMinMaxContext *s = ctx->priv;
277
278 ff_framesync_uninit(&s->fs);
279 }
280
281 static const AVFilterPad maskedminmax_inputs[] = {
282 {
283 .name = "source",
284 .type = AVMEDIA_TYPE_VIDEO,
285 .config_props = config_input,
286 },
287 {
288 .name = "filter1",
289 .type = AVMEDIA_TYPE_VIDEO,
290 },
291 {
292 .name = "filter2",
293 .type = AVMEDIA_TYPE_VIDEO,
294 },
295 };
296
297 static const AVFilterPad maskedminmax_outputs[] = {
298 {
299 .name = "default",
300 .type = AVMEDIA_TYPE_VIDEO,
301 .config_props = config_output,
302 },
303 };
304
305 AVFILTER_DEFINE_CLASS_EXT(maskedminmax, "masked(min|max)", maskedminmax_options);
306
307 const AVFilter ff_vf_maskedmin = {
308 .name = "maskedmin",
309 .description = NULL_IF_CONFIG_SMALL("Apply filtering with minimum difference of two streams."),
310 .priv_class = &maskedminmax_class,
311 .priv_size = sizeof(MaskedMinMaxContext),
312 .init = maskedmin_init,
313 .uninit = uninit,
314 .activate = activate,
315 FILTER_INPUTS(maskedminmax_inputs),
316 FILTER_OUTPUTS(maskedminmax_outputs),
317 FILTER_PIXFMTS_ARRAY(pix_fmts),
318 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
319 .process_command = ff_filter_process_command,
320 };
321
322 const AVFilter ff_vf_maskedmax = {
323 .name = "maskedmax",
324 .description = NULL_IF_CONFIG_SMALL("Apply filtering with maximum difference of two streams."),
325 .priv_class = &maskedminmax_class,
326 .priv_size = sizeof(MaskedMinMaxContext),
327 .uninit = uninit,
328 .activate = activate,
329 FILTER_INPUTS(maskedminmax_inputs),
330 FILTER_OUTPUTS(maskedminmax_outputs),
331 FILTER_PIXFMTS_ARRAY(pix_fmts),
332 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
333 .process_command = ff_filter_process_command,
334 };
335