FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_maskedclamp.c
Date: 2024-07-24 19:24:46
Exec Total Coverage
Lines: 0 119 0.0%
Functions: 0 8 0.0%
Branches: 0 42 0.0%

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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 #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 #include "maskedclamp.h"
29
30 #define OFFSET(x) offsetof(MaskedClampContext, x)
31 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
32
33 typedef struct ThreadData {
34 AVFrame *b, *o, *m, *d;
35 } ThreadData;
36
37 typedef struct MaskedClampContext {
38 const AVClass *class;
39
40 int planes;
41 int undershoot;
42 int overshoot;
43
44 int linesize[4];
45 int width[4], height[4];
46 int nb_planes;
47 int depth;
48 FFFrameSync fs;
49
50 MaskedClampDSPContext dsp;
51 } MaskedClampContext;
52
53 static const AVOption maskedclamp_options[] = {
54 { "undershoot", "set undershoot", OFFSET(undershoot), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
55 { "overshoot", "set overshoot", OFFSET(overshoot), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
56 { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
57 { NULL }
58 };
59
60 AVFILTER_DEFINE_CLASS(maskedclamp);
61
62 static const enum AVPixelFormat pix_fmts[] = {
63 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
64 AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
65 AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
66 AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
67 AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
68 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
69 AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
70 AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
71 AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
72 AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
73 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
74 AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
75 AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
76 AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
77 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
78 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
79 AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
80 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
81 AV_PIX_FMT_NONE
82 };
83
84 static int maskedclamp_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
85 {
86 MaskedClampContext *s = ctx->priv;
87 ThreadData *td = arg;
88 int p;
89
90 for (p = 0; p < s->nb_planes; p++) {
91 const ptrdiff_t blinesize = td->b->linesize[p];
92 const ptrdiff_t brightlinesize = td->m->linesize[p];
93 const ptrdiff_t darklinesize = td->o->linesize[p];
94 const ptrdiff_t dlinesize = td->d->linesize[p];
95 const int w = s->width[p];
96 const int h = s->height[p];
97 const int slice_start = (h * jobnr) / nb_jobs;
98 const int slice_end = (h * (jobnr+1)) / nb_jobs;
99 const uint8_t *bsrc = td->b->data[p] + slice_start * blinesize;
100 const uint8_t *darksrc = td->o->data[p] + slice_start * darklinesize;
101 const uint8_t *brightsrc = td->m->data[p] + slice_start * brightlinesize;
102 uint8_t *dst = td->d->data[p] + slice_start * dlinesize;
103 const int undershoot = s->undershoot;
104 const int overshoot = s->overshoot;
105 int y;
106
107 if (!((1 << p) & s->planes)) {
108 av_image_copy_plane(dst, dlinesize, bsrc, blinesize,
109 s->linesize[p], slice_end - slice_start);
110 continue;
111 }
112
113 for (y = slice_start; y < slice_end; y++) {
114 s->dsp.maskedclamp(bsrc, dst, darksrc, brightsrc, w, undershoot, overshoot);
115
116 dst += dlinesize;
117 bsrc += blinesize;
118 darksrc += darklinesize;
119 brightsrc += brightlinesize;
120 }
121 }
122
123 return 0;
124 }
125
126 static int process_frame(FFFrameSync *fs)
127 {
128 AVFilterContext *ctx = fs->parent;
129 MaskedClampContext *s = fs->opaque;
130 AVFilterLink *outlink = ctx->outputs[0];
131 AVFrame *out, *base, *dark, *bright;
132 int ret;
133
134 if ((ret = ff_framesync_get_frame(&s->fs, 0, &base, 0)) < 0 ||
135 (ret = ff_framesync_get_frame(&s->fs, 1, &dark, 0)) < 0 ||
136 (ret = ff_framesync_get_frame(&s->fs, 2, &bright, 0)) < 0)
137 return ret;
138
139 if (ctx->is_disabled) {
140 out = av_frame_clone(base);
141 if (!out)
142 return AVERROR(ENOMEM);
143 } else {
144 ThreadData td;
145
146 out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
147 if (!out)
148 return AVERROR(ENOMEM);
149 av_frame_copy_props(out, base);
150
151 td.b = base;
152 td.o = dark;
153 td.m = bright;
154 td.d = out;
155
156 ff_filter_execute(ctx, maskedclamp_slice, &td, NULL,
157 FFMIN(s->height[0], ff_filter_get_nb_threads(ctx)));
158 }
159 out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
160
161 return ff_filter_frame(outlink, out);
162 }
163
164 #define MASKEDCLAMP(type, name) \
165 static void maskedclamp##name(const uint8_t *bbsrc, uint8_t *ddst, \
166 const uint8_t *ddarksrc, const uint8_t *bbrightsrc, \
167 int w, int undershoot, int overshoot) \
168 { \
169 const type *bsrc = (const type *)bbsrc; \
170 const type *darksrc = (const type *)ddarksrc; \
171 const type *brightsrc = (const type *)bbrightsrc; \
172 type *dst = (type *)ddst; \
173 \
174 for (int x = 0; x < w; x++) { \
175 dst[x] = FFMAX(bsrc[x], darksrc[x] - undershoot); \
176 dst[x] = FFMIN(dst[x], brightsrc[x] + overshoot); \
177 } \
178 }
179
180 MASKEDCLAMP(uint8_t, 8)
181 MASKEDCLAMP(uint16_t, 16)
182
183 static int config_input(AVFilterLink *inlink)
184 {
185 AVFilterContext *ctx = inlink->dst;
186 MaskedClampContext *s = ctx->priv;
187 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
188 int vsub, hsub, ret;
189
190 s->nb_planes = av_pix_fmt_count_planes(inlink->format);
191
192 if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
193 return ret;
194
195 hsub = desc->log2_chroma_w;
196 vsub = desc->log2_chroma_h;
197 s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
198 s->height[0] = s->height[3] = inlink->h;
199 s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
200 s->width[0] = s->width[3] = inlink->w;
201
202 s->depth = desc->comp[0].depth;
203 s->undershoot = FFMIN(s->undershoot, (1 << s->depth) - 1);
204 s->overshoot = FFMIN(s->overshoot, (1 << s->depth) - 1);
205
206 if (s->depth <= 8)
207 s->dsp.maskedclamp = maskedclamp8;
208 else
209 s->dsp.maskedclamp = maskedclamp16;
210
211 #if ARCH_X86
212 ff_maskedclamp_init_x86(&s->dsp, s->depth);
213 #endif
214
215 return 0;
216 }
217
218 static int config_output(AVFilterLink *outlink)
219 {
220 AVFilterContext *ctx = outlink->src;
221 MaskedClampContext *s = ctx->priv;
222 AVFilterLink *base = ctx->inputs[0];
223 AVFilterLink *dark = ctx->inputs[1];
224 AVFilterLink *bright = ctx->inputs[2];
225 FFFrameSyncIn *in;
226 int ret;
227
228 if (base->w != dark->w || base->h != dark->h ||
229 base->w != bright->w || base->h != bright->h) {
230 av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
231 "(size %dx%d) do not match the corresponding "
232 "second input link %s parameters (%dx%d) "
233 "and/or third input link %s parameters (size %dx%d)\n",
234 ctx->input_pads[0].name, base->w, base->h,
235 ctx->input_pads[1].name, dark->w, dark->h,
236 ctx->input_pads[2].name, bright->w, bright->h);
237 return AVERROR(EINVAL);
238 }
239
240 outlink->w = base->w;
241 outlink->h = base->h;
242 outlink->sample_aspect_ratio = base->sample_aspect_ratio;
243 outlink->frame_rate = base->frame_rate;
244
245 if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
246 return ret;
247
248 in = s->fs.in;
249 in[0].time_base = base->time_base;
250 in[1].time_base = dark->time_base;
251 in[2].time_base = bright->time_base;
252 in[0].sync = 1;
253 in[0].before = EXT_STOP;
254 in[0].after = EXT_INFINITY;
255 in[1].sync = 1;
256 in[1].before = EXT_STOP;
257 in[1].after = EXT_INFINITY;
258 in[2].sync = 1;
259 in[2].before = EXT_STOP;
260 in[2].after = EXT_INFINITY;
261 s->fs.opaque = s;
262 s->fs.on_event = process_frame;
263
264 ret = ff_framesync_configure(&s->fs);
265 outlink->time_base = s->fs.time_base;
266
267 return ret;
268 }
269
270 static int activate(AVFilterContext *ctx)
271 {
272 MaskedClampContext *s = ctx->priv;
273 return ff_framesync_activate(&s->fs);
274 }
275
276 static av_cold void uninit(AVFilterContext *ctx)
277 {
278 MaskedClampContext *s = ctx->priv;
279
280 ff_framesync_uninit(&s->fs);
281 }
282
283 static const AVFilterPad maskedclamp_inputs[] = {
284 {
285 .name = "base",
286 .type = AVMEDIA_TYPE_VIDEO,
287 .config_props = config_input,
288 },
289 {
290 .name = "dark",
291 .type = AVMEDIA_TYPE_VIDEO,
292 },
293 {
294 .name = "bright",
295 .type = AVMEDIA_TYPE_VIDEO,
296 },
297 };
298
299 static const AVFilterPad maskedclamp_outputs[] = {
300 {
301 .name = "default",
302 .type = AVMEDIA_TYPE_VIDEO,
303 .config_props = config_output,
304 },
305 };
306
307 const AVFilter ff_vf_maskedclamp = {
308 .name = "maskedclamp",
309 .description = NULL_IF_CONFIG_SMALL("Clamp first stream with second stream and third stream."),
310 .priv_size = sizeof(MaskedClampContext),
311 .uninit = uninit,
312 .activate = activate,
313 FILTER_INPUTS(maskedclamp_inputs),
314 FILTER_OUTPUTS(maskedclamp_outputs),
315 FILTER_PIXFMTS_ARRAY(pix_fmts),
316 .priv_class = &maskedclamp_class,
317 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
318 .process_command = ff_filter_process_command,
319 };
320