1 /*
2 * Copyright (c) 2020 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/eval.h"
23 #include "libavutil/opt.h"
24 #include "libavutil/pixfmt.h"
25 #include "avfilter.h"
26 #include "formats.h"
27 #include "internal.h"
28 #include "filters.h"
29 #include "video.h"
30
31 enum XFadeTransitions {
32 CUSTOM = -1,
33 FADE,
34 WIPELEFT,
35 WIPERIGHT,
36 WIPEUP,
37 WIPEDOWN,
38 SLIDELEFT,
39 SLIDERIGHT,
40 SLIDEUP,
41 SLIDEDOWN,
42 CIRCLECROP,
43 RECTCROP,
44 DISTANCE,
45 FADEBLACK,
46 FADEWHITE,
47 RADIAL,
48 SMOOTHLEFT,
49 SMOOTHRIGHT,
50 SMOOTHUP,
51 SMOOTHDOWN,
52 CIRCLEOPEN,
53 CIRCLECLOSE,
54 VERTOPEN,
55 VERTCLOSE,
56 HORZOPEN,
57 HORZCLOSE,
58 DISSOLVE,
59 PIXELIZE,
60 DIAGTL,
61 DIAGTR,
62 DIAGBL,
63 DIAGBR,
64 HLSLICE,
65 HRSLICE,
66 VUSLICE,
67 VDSLICE,
68 HBLUR,
69 FADEGRAYS,
70 WIPETL,
71 WIPETR,
72 WIPEBL,
73 WIPEBR,
74 SQUEEZEH,
75 SQUEEZEV,
76 ZOOMIN,
77 FADEFAST,
78 FADESLOW,
79 NB_TRANSITIONS,
80 };
81
82 typedef struct XFadeContext {
83 const AVClass *class;
84
85 int transition;
86 int64_t duration;
87 int64_t offset;
88 char *custom_str;
89
90 int nb_planes;
91 int depth;
92 int is_rgb;
93
94 int64_t duration_pts;
95 int64_t offset_pts;
96 int64_t first_pts;
97 int64_t last_pts;
98 int64_t pts;
99 int xfade_is_over;
100 int need_second;
101 int eof[2];
102 AVFrame *xf[2];
103 int max_value;
104 uint16_t black[4];
105 uint16_t white[4];
106
107 void (*transitionf)(AVFilterContext *ctx, const AVFrame *a, const AVFrame *b, AVFrame *out, float progress,
108 int slice_start, int slice_end, int jobnr);
109
110 AVExpr *e;
111 } XFadeContext;
112
113 static const char *const var_names[] = { "X", "Y", "W", "H", "A", "B", "PLANE", "P", NULL };
114 enum { VAR_X, VAR_Y, VAR_W, VAR_H, VAR_A, VAR_B, VAR_PLANE, VAR_PROGRESS, VAR_VARS_NB };
115
116 typedef struct ThreadData {
117 const AVFrame *xf[2];
118 AVFrame *out;
119 float progress;
120 } ThreadData;
121
122 static const enum AVPixelFormat pix_fmts[] = {
123 AV_PIX_FMT_YUVA444P,
124 AV_PIX_FMT_YUVJ444P,
125 AV_PIX_FMT_YUV444P,
126 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_GRAY8,
127 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_GBRP9,
128 AV_PIX_FMT_YUV444P10,
129 AV_PIX_FMT_YUVA444P10,
130 AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GRAY10,
131 AV_PIX_FMT_YUV444P12,
132 AV_PIX_FMT_YUVA444P12,
133 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GRAY12,
134 AV_PIX_FMT_YUV444P14, AV_PIX_FMT_GBRP14,
135 AV_PIX_FMT_YUV444P16,
136 AV_PIX_FMT_YUVA444P16,
137 AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, AV_PIX_FMT_GRAY16,
138 AV_PIX_FMT_NONE
139 };
140
uninit(AVFilterContext * ctx)141 static av_cold void uninit(AVFilterContext *ctx)
142 {
143 XFadeContext *s = ctx->priv;
144
145 av_expr_free(s->e);
146 }
147
148 #define OFFSET(x) offsetof(XFadeContext, x)
149 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
150
151 static const AVOption xfade_options[] = {
152 { "transition", "set cross fade transition", OFFSET(transition), AV_OPT_TYPE_INT, {.i64=FADE}, -1, NB_TRANSITIONS-1, FLAGS, "transition" },
153 { "custom", "custom transition", 0, AV_OPT_TYPE_CONST, {.i64=CUSTOM}, 0, 0, FLAGS, "transition" },
154 { "fade", "fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADE}, 0, 0, FLAGS, "transition" },
155 { "wipeleft", "wipe left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPELEFT}, 0, 0, FLAGS, "transition" },
156 { "wiperight", "wipe right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPERIGHT}, 0, 0, FLAGS, "transition" },
157 { "wipeup", "wipe up transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEUP}, 0, 0, FLAGS, "transition" },
158 { "wipedown", "wipe down transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEDOWN}, 0, 0, FLAGS, "transition" },
159 { "slideleft", "slide left transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDELEFT}, 0, 0, FLAGS, "transition" },
160 { "slideright", "slide right transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDERIGHT}, 0, 0, FLAGS, "transition" },
161 { "slideup", "slide up transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEUP}, 0, 0, FLAGS, "transition" },
162 { "slidedown", "slide down transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEDOWN}, 0, 0, FLAGS, "transition" },
163 { "circlecrop", "circle crop transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECROP}, 0, 0, FLAGS, "transition" },
164 { "rectcrop", "rect crop transition", 0, AV_OPT_TYPE_CONST, {.i64=RECTCROP}, 0, 0, FLAGS, "transition" },
165 { "distance", "distance transition", 0, AV_OPT_TYPE_CONST, {.i64=DISTANCE}, 0, 0, FLAGS, "transition" },
166 { "fadeblack", "fadeblack transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEBLACK}, 0, 0, FLAGS, "transition" },
167 { "fadewhite", "fadewhite transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEWHITE}, 0, 0, FLAGS, "transition" },
168 { "radial", "radial transition", 0, AV_OPT_TYPE_CONST, {.i64=RADIAL}, 0, 0, FLAGS, "transition" },
169 { "smoothleft", "smoothleft transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHLEFT}, 0, 0, FLAGS, "transition" },
170 { "smoothright","smoothright transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHRIGHT},0, 0, FLAGS, "transition" },
171 { "smoothup", "smoothup transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHUP}, 0, 0, FLAGS, "transition" },
172 { "smoothdown", "smoothdown transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHDOWN}, 0, 0, FLAGS, "transition" },
173 { "circleopen", "circleopen transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLEOPEN}, 0, 0, FLAGS, "transition" },
174 { "circleclose","circleclose transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECLOSE},0, 0, FLAGS, "transition" },
175 { "vertopen", "vert open transition", 0, AV_OPT_TYPE_CONST, {.i64=VERTOPEN}, 0, 0, FLAGS, "transition" },
176 { "vertclose", "vert close transition", 0, AV_OPT_TYPE_CONST, {.i64=VERTCLOSE}, 0, 0, FLAGS, "transition" },
177 { "horzopen", "horz open transition", 0, AV_OPT_TYPE_CONST, {.i64=HORZOPEN}, 0, 0, FLAGS, "transition" },
178 { "horzclose", "horz close transition", 0, AV_OPT_TYPE_CONST, {.i64=HORZCLOSE}, 0, 0, FLAGS, "transition" },
179 { "dissolve", "dissolve transition", 0, AV_OPT_TYPE_CONST, {.i64=DISSOLVE}, 0, 0, FLAGS, "transition" },
180 { "pixelize", "pixelize transition", 0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE}, 0, 0, FLAGS, "transition" },
181 { "diagtl", "diag tl transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGTL}, 0, 0, FLAGS, "transition" },
182 { "diagtr", "diag tr transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGTR}, 0, 0, FLAGS, "transition" },
183 { "diagbl", "diag bl transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGBL}, 0, 0, FLAGS, "transition" },
184 { "diagbr", "diag br transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGBR}, 0, 0, FLAGS, "transition" },
185 { "hlslice", "hl slice transition", 0, AV_OPT_TYPE_CONST, {.i64=HLSLICE}, 0, 0, FLAGS, "transition" },
186 { "hrslice", "hr slice transition", 0, AV_OPT_TYPE_CONST, {.i64=HRSLICE}, 0, 0, FLAGS, "transition" },
187 { "vuslice", "vu slice transition", 0, AV_OPT_TYPE_CONST, {.i64=VUSLICE}, 0, 0, FLAGS, "transition" },
188 { "vdslice", "vd slice transition", 0, AV_OPT_TYPE_CONST, {.i64=VDSLICE}, 0, 0, FLAGS, "transition" },
189 { "hblur", "hblur transition", 0, AV_OPT_TYPE_CONST, {.i64=HBLUR}, 0, 0, FLAGS, "transition" },
190 { "fadegrays", "fadegrays transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEGRAYS}, 0, 0, FLAGS, "transition" },
191 { "wipetl", "wipe tl transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETL}, 0, 0, FLAGS, "transition" },
192 { "wipetr", "wipe tr transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETR}, 0, 0, FLAGS, "transition" },
193 { "wipebl", "wipe bl transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBL}, 0, 0, FLAGS, "transition" },
194 { "wipebr", "wipe br transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBR}, 0, 0, FLAGS, "transition" },
195 { "squeezeh", "squeeze h transition", 0, AV_OPT_TYPE_CONST, {.i64=SQUEEZEH}, 0, 0, FLAGS, "transition" },
196 { "squeezev", "squeeze v transition", 0, AV_OPT_TYPE_CONST, {.i64=SQUEEZEV}, 0, 0, FLAGS, "transition" },
197 { "zoomin", "zoom in transition", 0, AV_OPT_TYPE_CONST, {.i64=ZOOMIN}, 0, 0, FLAGS, "transition" },
198 { "fadefast", "fast fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEFAST}, 0, 0, FLAGS, "transition" },
199 { "fadeslow", "slow fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADESLOW}, 0, 0, FLAGS, "transition" },
200 { "duration", "set cross fade duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=1000000}, 0, 60000000, FLAGS },
201 { "offset", "set cross fade start relative to first input stream", OFFSET(offset), AV_OPT_TYPE_DURATION, {.i64=0}, INT64_MIN, INT64_MAX, FLAGS },
202 { "expr", "set expression for custom transition", OFFSET(custom_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
203 { NULL }
204 };
205
206 AVFILTER_DEFINE_CLASS(xfade);
207
208 #define CUSTOM_TRANSITION(name, type, div) \
209 static void custom##name##_transition(AVFilterContext *ctx, \
210 const AVFrame *a, const AVFrame *b, AVFrame *out, \
211 float progress, \
212 int slice_start, int slice_end, int jobnr) \
213 { \
214 XFadeContext *s = ctx->priv; \
215 const int height = slice_end - slice_start; \
216 \
217 double values[VAR_VARS_NB]; \
218 values[VAR_W] = out->width; \
219 values[VAR_H] = out->height; \
220 values[VAR_PROGRESS] = progress; \
221 \
222 for (int p = 0; p < s->nb_planes; p++) { \
223 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
224 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
225 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
226 \
227 values[VAR_PLANE] = p; \
228 \
229 for (int y = 0; y < height; y++) { \
230 values[VAR_Y] = slice_start + y; \
231 for (int x = 0; x < out->width; x++) { \
232 values[VAR_X] = x; \
233 values[VAR_A] = xf0[x]; \
234 values[VAR_B] = xf1[x]; \
235 dst[x] = av_expr_eval(s->e, values, s); \
236 } \
237 \
238 dst += out->linesize[p] / div; \
239 xf0 += a->linesize[p] / div; \
240 xf1 += b->linesize[p] / div; \
241 } \
242 } \
243 }
244
245 CUSTOM_TRANSITION(8, uint8_t, 1)
246 CUSTOM_TRANSITION(16, uint16_t, 2)
247
mix(float a,float b,float mix)248 static inline float mix(float a, float b, float mix)
249 {
250 return a * mix + b * (1.f - mix);
251 }
252
fract(float a)253 static inline float fract(float a)
254 {
255 return a - floorf(a);
256 }
257
smoothstep(float edge0,float edge1,float x)258 static inline float smoothstep(float edge0, float edge1, float x)
259 {
260 float t;
261
262 t = av_clipf((x - edge0) / (edge1 - edge0), 0.f, 1.f);
263
264 return t * t * (3.f - 2.f * t);
265 }
266
267 #define FADE_TRANSITION(name, type, div) \
268 static void fade##name##_transition(AVFilterContext *ctx, \
269 const AVFrame *a, const AVFrame *b, AVFrame *out, \
270 float progress, \
271 int slice_start, int slice_end, int jobnr) \
272 { \
273 XFadeContext *s = ctx->priv; \
274 const int height = slice_end - slice_start; \
275 \
276 for (int p = 0; p < s->nb_planes; p++) { \
277 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
278 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
279 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
280 \
281 for (int y = 0; y < height; y++) { \
282 for (int x = 0; x < out->width; x++) { \
283 dst[x] = mix(xf0[x], xf1[x], progress); \
284 } \
285 \
286 dst += out->linesize[p] / div; \
287 xf0 += a->linesize[p] / div; \
288 xf1 += b->linesize[p] / div; \
289 } \
290 } \
291 }
292
293 FADE_TRANSITION(8, uint8_t, 1)
294 FADE_TRANSITION(16, uint16_t, 2)
295
296 #define WIPELEFT_TRANSITION(name, type, div) \
297 static void wipeleft##name##_transition(AVFilterContext *ctx, \
298 const AVFrame *a, const AVFrame *b, AVFrame *out, \
299 float progress, \
300 int slice_start, int slice_end, int jobnr) \
301 { \
302 XFadeContext *s = ctx->priv; \
303 const int height = slice_end - slice_start; \
304 const int z = out->width * progress; \
305 \
306 for (int p = 0; p < s->nb_planes; p++) { \
307 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
308 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
309 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
310 \
311 for (int y = 0; y < height; y++) { \
312 for (int x = 0; x < out->width; x++) { \
313 dst[x] = x > z ? xf1[x] : xf0[x]; \
314 } \
315 \
316 dst += out->linesize[p] / div; \
317 xf0 += a->linesize[p] / div; \
318 xf1 += b->linesize[p] / div; \
319 } \
320 } \
321 }
322
323 WIPELEFT_TRANSITION(8, uint8_t, 1)
324 WIPELEFT_TRANSITION(16, uint16_t, 2)
325
326 #define WIPERIGHT_TRANSITION(name, type, div) \
327 static void wiperight##name##_transition(AVFilterContext *ctx, \
328 const AVFrame *a, const AVFrame *b, AVFrame *out, \
329 float progress, \
330 int slice_start, int slice_end, int jobnr) \
331 { \
332 XFadeContext *s = ctx->priv; \
333 const int height = slice_end - slice_start; \
334 const int z = out->width * (1.f - progress); \
335 \
336 for (int p = 0; p < s->nb_planes; p++) { \
337 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
338 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
339 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
340 \
341 for (int y = 0; y < height; y++) { \
342 for (int x = 0; x < out->width; x++) { \
343 dst[x] = x > z ? xf0[x] : xf1[x]; \
344 } \
345 \
346 dst += out->linesize[p] / div; \
347 xf0 += a->linesize[p] / div; \
348 xf1 += b->linesize[p] / div; \
349 } \
350 } \
351 }
352
353 WIPERIGHT_TRANSITION(8, uint8_t, 1)
354 WIPERIGHT_TRANSITION(16, uint16_t, 2)
355
356 #define WIPEUP_TRANSITION(name, type, div) \
357 static void wipeup##name##_transition(AVFilterContext *ctx, \
358 const AVFrame *a, const AVFrame *b, AVFrame *out, \
359 float progress, \
360 int slice_start, int slice_end, int jobnr) \
361 { \
362 XFadeContext *s = ctx->priv; \
363 const int height = slice_end - slice_start; \
364 const int z = out->height * progress; \
365 \
366 for (int p = 0; p < s->nb_planes; p++) { \
367 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
368 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
369 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
370 \
371 for (int y = 0; y < height; y++) { \
372 for (int x = 0; x < out->width; x++) { \
373 dst[x] = slice_start + y > z ? xf1[x] : xf0[x]; \
374 } \
375 \
376 dst += out->linesize[p] / div; \
377 xf0 += a->linesize[p] / div; \
378 xf1 += b->linesize[p] / div; \
379 } \
380 } \
381 }
382
383 WIPEUP_TRANSITION(8, uint8_t, 1)
384 WIPEUP_TRANSITION(16, uint16_t, 2)
385
386 #define WIPEDOWN_TRANSITION(name, type, div) \
387 static void wipedown##name##_transition(AVFilterContext *ctx, \
388 const AVFrame *a, const AVFrame *b, AVFrame *out, \
389 float progress, \
390 int slice_start, int slice_end, int jobnr) \
391 { \
392 XFadeContext *s = ctx->priv; \
393 const int height = slice_end - slice_start; \
394 const int z = out->height * (1.f - progress); \
395 \
396 for (int p = 0; p < s->nb_planes; p++) { \
397 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
398 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
399 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
400 \
401 for (int y = 0; y < height; y++) { \
402 for (int x = 0; x < out->width; x++) { \
403 dst[x] = slice_start + y > z ? xf0[x] : xf1[x]; \
404 } \
405 \
406 dst += out->linesize[p] / div; \
407 xf0 += a->linesize[p] / div; \
408 xf1 += b->linesize[p] / div; \
409 } \
410 } \
411 }
412
413 WIPEDOWN_TRANSITION(8, uint8_t, 1)
414 WIPEDOWN_TRANSITION(16, uint16_t, 2)
415
416 #define SLIDELEFT_TRANSITION(name, type, div) \
417 static void slideleft##name##_transition(AVFilterContext *ctx, \
418 const AVFrame *a, const AVFrame *b, AVFrame *out, \
419 float progress, \
420 int slice_start, int slice_end, int jobnr) \
421 { \
422 XFadeContext *s = ctx->priv; \
423 const int height = slice_end - slice_start; \
424 const int width = out->width; \
425 const int z = -progress * width; \
426 \
427 for (int p = 0; p < s->nb_planes; p++) { \
428 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
429 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
430 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
431 \
432 for (int y = 0; y < height; y++) { \
433 for (int x = 0; x < width; x++) { \
434 const int zx = z + x; \
435 const int zz = zx % width + width * (zx < 0); \
436 dst[x] = (zx >= 0) && (zx < width) ? xf1[zz] : xf0[zz]; \
437 } \
438 \
439 dst += out->linesize[p] / div; \
440 xf0 += a->linesize[p] / div; \
441 xf1 += b->linesize[p] / div; \
442 } \
443 } \
444 }
445
446 SLIDELEFT_TRANSITION(8, uint8_t, 1)
447 SLIDELEFT_TRANSITION(16, uint16_t, 2)
448
449 #define SLIDERIGHT_TRANSITION(name, type, div) \
450 static void slideright##name##_transition(AVFilterContext *ctx, \
451 const AVFrame *a, const AVFrame *b, AVFrame *out, \
452 float progress, \
453 int slice_start, int slice_end, int jobnr) \
454 { \
455 XFadeContext *s = ctx->priv; \
456 const int height = slice_end - slice_start; \
457 const int width = out->width; \
458 const int z = progress * width; \
459 \
460 for (int p = 0; p < s->nb_planes; p++) { \
461 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
462 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
463 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
464 \
465 for (int y = 0; y < height; y++) { \
466 for (int x = 0; x < out->width; x++) { \
467 const int zx = z + x; \
468 const int zz = zx % width + width * (zx < 0); \
469 dst[x] = (zx >= 0) && (zx < width) ? xf1[zz] : xf0[zz]; \
470 } \
471 \
472 dst += out->linesize[p] / div; \
473 xf0 += a->linesize[p] / div; \
474 xf1 += b->linesize[p] / div; \
475 } \
476 } \
477 }
478
479 SLIDERIGHT_TRANSITION(8, uint8_t, 1)
480 SLIDERIGHT_TRANSITION(16, uint16_t, 2)
481
482 #define SLIDEUP_TRANSITION(name, type, div) \
483 static void slideup##name##_transition(AVFilterContext *ctx, \
484 const AVFrame *a, const AVFrame *b, AVFrame *out, \
485 float progress, \
486 int slice_start, int slice_end, int jobnr) \
487 { \
488 XFadeContext *s = ctx->priv; \
489 const int height = out->height; \
490 const int z = -progress * height; \
491 \
492 for (int p = 0; p < s->nb_planes; p++) { \
493 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
494 \
495 for (int y = slice_start; y < slice_end; y++) { \
496 const int zy = z + y; \
497 const int zz = zy % height + height * (zy < 0); \
498 const type *xf0 = (const type *)(a->data[p] + zz * a->linesize[p]); \
499 const type *xf1 = (const type *)(b->data[p] + zz * b->linesize[p]); \
500 \
501 for (int x = 0; x < out->width; x++) { \
502 dst[x] = (zy >= 0) && (zy < height) ? xf1[x] : xf0[x]; \
503 } \
504 \
505 dst += out->linesize[p] / div; \
506 } \
507 } \
508 }
509
510 SLIDEUP_TRANSITION(8, uint8_t, 1)
511 SLIDEUP_TRANSITION(16, uint16_t, 2)
512
513 #define SLIDEDOWN_TRANSITION(name, type, div) \
514 static void slidedown##name##_transition(AVFilterContext *ctx, \
515 const AVFrame *a, const AVFrame *b, AVFrame *out, \
516 float progress, \
517 int slice_start, int slice_end, int jobnr) \
518 { \
519 XFadeContext *s = ctx->priv; \
520 const int height = out->height; \
521 const int z = progress * height; \
522 \
523 for (int p = 0; p < s->nb_planes; p++) { \
524 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
525 \
526 for (int y = slice_start; y < slice_end; y++) { \
527 const int zy = z + y; \
528 const int zz = zy % height + height * (zy < 0); \
529 const type *xf0 = (const type *)(a->data[p] + zz * a->linesize[p]); \
530 const type *xf1 = (const type *)(b->data[p] + zz * b->linesize[p]); \
531 \
532 for (int x = 0; x < out->width; x++) { \
533 dst[x] = (zy >= 0) && (zy < height) ? xf1[x] : xf0[x]; \
534 } \
535 \
536 dst += out->linesize[p] / div; \
537 } \
538 } \
539 }
540
541 SLIDEDOWN_TRANSITION(8, uint8_t, 1)
542 SLIDEDOWN_TRANSITION(16, uint16_t, 2)
543
544 #define CIRCLECROP_TRANSITION(name, type, div) \
545 static void circlecrop##name##_transition(AVFilterContext *ctx, \
546 const AVFrame *a, const AVFrame *b, AVFrame *out, \
547 float progress, \
548 int slice_start, int slice_end, int jobnr) \
549 { \
550 XFadeContext *s = ctx->priv; \
551 const int width = out->width; \
552 const int height = out->height; \
553 float z = powf(2.f * fabsf(progress - 0.5f), 3.f) * hypotf(width/2, height/2); \
554 \
555 for (int p = 0; p < s->nb_planes; p++) { \
556 const int bg = s->black[p]; \
557 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
558 \
559 for (int y = slice_start; y < slice_end; y++) { \
560 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
561 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
562 \
563 for (int x = 0; x < width; x++) { \
564 float dist = hypotf(x - width / 2, y - height / 2); \
565 int val = progress < 0.5f ? xf1[x] : xf0[x]; \
566 dst[x] = (z < dist) ? bg : val; \
567 } \
568 \
569 dst += out->linesize[p] / div; \
570 } \
571 } \
572 }
573
574 CIRCLECROP_TRANSITION(8, uint8_t, 1)
575 CIRCLECROP_TRANSITION(16, uint16_t, 2)
576
577 #define RECTCROP_TRANSITION(name, type, div) \
578 static void rectcrop##name##_transition(AVFilterContext *ctx, \
579 const AVFrame *a, const AVFrame *b, AVFrame *out, \
580 float progress, \
581 int slice_start, int slice_end, int jobnr) \
582 { \
583 XFadeContext *s = ctx->priv; \
584 const int width = out->width; \
585 const int height = out->height; \
586 int zh = fabsf(progress - 0.5f) * height; \
587 int zw = fabsf(progress - 0.5f) * width; \
588 \
589 for (int p = 0; p < s->nb_planes; p++) { \
590 const int bg = s->black[p]; \
591 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
592 \
593 for (int y = slice_start; y < slice_end; y++) { \
594 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
595 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
596 \
597 for (int x = 0; x < width; x++) { \
598 int dist = FFABS(x - width / 2) < zw && \
599 FFABS(y - height / 2) < zh; \
600 int val = progress < 0.5f ? xf1[x] : xf0[x]; \
601 dst[x] = !dist ? bg : val; \
602 } \
603 \
604 dst += out->linesize[p] / div; \
605 } \
606 } \
607 }
608
609 RECTCROP_TRANSITION(8, uint8_t, 1)
610 RECTCROP_TRANSITION(16, uint16_t, 2)
611
612 #define DISTANCE_TRANSITION(name, type, div) \
613 static void distance##name##_transition(AVFilterContext *ctx, \
614 const AVFrame *a, const AVFrame *b, AVFrame *out, \
615 float progress, \
616 int slice_start, int slice_end, int jobnr) \
617 { \
618 XFadeContext *s = ctx->priv; \
619 const int width = out->width; \
620 const float max = s->max_value; \
621 \
622 for (int y = slice_start; y < slice_end; y++) { \
623 for (int x = 0; x < width; x++) { \
624 float dist = 0.f; \
625 for (int p = 0; p < s->nb_planes; p++) { \
626 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
627 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
628 \
629 dist += (xf0[x] / max - xf1[x] / max) * \
630 (xf0[x] / max - xf1[x] / max); \
631 } \
632 \
633 dist = sqrtf(dist) <= progress; \
634 for (int p = 0; p < s->nb_planes; p++) { \
635 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
636 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
637 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
638 dst[x] = mix(mix(xf0[x], xf1[x], dist), xf1[x], progress); \
639 } \
640 } \
641 } \
642 }
643
644 DISTANCE_TRANSITION(8, uint8_t, 1)
645 DISTANCE_TRANSITION(16, uint16_t, 2)
646
647 #define FADEBLACK_TRANSITION(name, type, div) \
648 static void fadeblack##name##_transition(AVFilterContext *ctx, \
649 const AVFrame *a, const AVFrame *b, AVFrame *out, \
650 float progress, \
651 int slice_start, int slice_end, int jobnr) \
652 { \
653 XFadeContext *s = ctx->priv; \
654 const int height = slice_end - slice_start; \
655 const float phase = 0.2f; \
656 \
657 for (int p = 0; p < s->nb_planes; p++) { \
658 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
659 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
660 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
661 const int bg = s->black[p]; \
662 \
663 for (int y = 0; y < height; y++) { \
664 for (int x = 0; x < out->width; x++) { \
665 dst[x] = mix(mix(xf0[x], bg, smoothstep(1.f-phase, 1.f, progress)), \
666 mix(bg, xf1[x], smoothstep(phase, 1.f, progress)), \
667 progress); \
668 } \
669 \
670 dst += out->linesize[p] / div; \
671 xf0 += a->linesize[p] / div; \
672 xf1 += b->linesize[p] / div; \
673 } \
674 } \
675 }
676
677 FADEBLACK_TRANSITION(8, uint8_t, 1)
678 FADEBLACK_TRANSITION(16, uint16_t, 2)
679
680 #define FADEWHITE_TRANSITION(name, type, div) \
681 static void fadewhite##name##_transition(AVFilterContext *ctx, \
682 const AVFrame *a, const AVFrame *b, AVFrame *out, \
683 float progress, \
684 int slice_start, int slice_end, int jobnr) \
685 { \
686 XFadeContext *s = ctx->priv; \
687 const int height = slice_end - slice_start; \
688 const float phase = 0.2f; \
689 \
690 for (int p = 0; p < s->nb_planes; p++) { \
691 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
692 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
693 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
694 const int bg = s->white[p]; \
695 \
696 for (int y = 0; y < height; y++) { \
697 for (int x = 0; x < out->width; x++) { \
698 dst[x] = mix(mix(xf0[x], bg, smoothstep(1.f-phase, 1.f, progress)), \
699 mix(bg, xf1[x], smoothstep(phase, 1.f, progress)), \
700 progress); \
701 } \
702 \
703 dst += out->linesize[p] / div; \
704 xf0 += a->linesize[p] / div; \
705 xf1 += b->linesize[p] / div; \
706 } \
707 } \
708 }
709
710 FADEWHITE_TRANSITION(8, uint8_t, 1)
711 FADEWHITE_TRANSITION(16, uint16_t, 2)
712
713 #define RADIAL_TRANSITION(name, type, div) \
714 static void radial##name##_transition(AVFilterContext *ctx, \
715 const AVFrame *a, const AVFrame *b, AVFrame *out, \
716 float progress, \
717 int slice_start, int slice_end, int jobnr) \
718 { \
719 XFadeContext *s = ctx->priv; \
720 const int width = out->width; \
721 const int height = out->height; \
722 \
723 for (int y = slice_start; y < slice_end; y++) { \
724 for (int x = 0; x < width; x++) { \
725 const float smooth = atan2f(x - width / 2, y - height / 2) - \
726 (progress - 0.5f) * (M_PI * 2.5f); \
727 for (int p = 0; p < s->nb_planes; p++) { \
728 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
729 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
730 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
731 \
732 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
733 } \
734 } \
735 } \
736 }
737
738 RADIAL_TRANSITION(8, uint8_t, 1)
739 RADIAL_TRANSITION(16, uint16_t, 2)
740
741 #define SMOOTHLEFT_TRANSITION(name, type, div) \
742 static void smoothleft##name##_transition(AVFilterContext *ctx, \
743 const AVFrame *a, const AVFrame *b, AVFrame *out, \
744 float progress, \
745 int slice_start, int slice_end, int jobnr) \
746 { \
747 XFadeContext *s = ctx->priv; \
748 const int width = out->width; \
749 const float w = width; \
750 \
751 for (int y = slice_start; y < slice_end; y++) { \
752 for (int x = 0; x < width; x++) { \
753 const float smooth = 1.f + x / w - progress * 2.f; \
754 \
755 for (int p = 0; p < s->nb_planes; p++) { \
756 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
757 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
758 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
759 \
760 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
761 } \
762 } \
763 } \
764 }
765
766 SMOOTHLEFT_TRANSITION(8, uint8_t, 1)
767 SMOOTHLEFT_TRANSITION(16, uint16_t, 2)
768
769 #define SMOOTHRIGHT_TRANSITION(name, type, div) \
770 static void smoothright##name##_transition(AVFilterContext *ctx, \
771 const AVFrame *a, const AVFrame *b, AVFrame *out, \
772 float progress, \
773 int slice_start, int slice_end, int jobnr) \
774 { \
775 XFadeContext *s = ctx->priv; \
776 const int width = out->width; \
777 const float w = width; \
778 \
779 for (int y = slice_start; y < slice_end; y++) { \
780 for (int x = 0; x < width; x++) { \
781 const float smooth = 1.f + (w - 1 - x) / w - progress * 2.f; \
782 \
783 for (int p = 0; p < s->nb_planes; p++) { \
784 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
785 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
786 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
787 \
788 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
789 } \
790 } \
791 } \
792 }
793
794 SMOOTHRIGHT_TRANSITION(8, uint8_t, 1)
795 SMOOTHRIGHT_TRANSITION(16, uint16_t, 2)
796
797 #define SMOOTHUP_TRANSITION(name, type, div) \
798 static void smoothup##name##_transition(AVFilterContext *ctx, \
799 const AVFrame *a, const AVFrame *b, AVFrame *out, \
800 float progress, \
801 int slice_start, int slice_end, int jobnr) \
802 { \
803 XFadeContext *s = ctx->priv; \
804 const int width = out->width; \
805 const float h = out->height; \
806 \
807 for (int y = slice_start; y < slice_end; y++) { \
808 const float smooth = 1.f + y / h - progress * 2.f; \
809 for (int x = 0; x < width; x++) { \
810 for (int p = 0; p < s->nb_planes; p++) { \
811 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
812 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
813 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
814 \
815 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
816 } \
817 } \
818 } \
819 }
820
821 SMOOTHUP_TRANSITION(8, uint8_t, 1)
822 SMOOTHUP_TRANSITION(16, uint16_t, 2)
823
824 #define SMOOTHDOWN_TRANSITION(name, type, div) \
825 static void smoothdown##name##_transition(AVFilterContext *ctx, \
826 const AVFrame *a, const AVFrame *b, AVFrame *out, \
827 float progress, \
828 int slice_start, int slice_end, int jobnr) \
829 { \
830 XFadeContext *s = ctx->priv; \
831 const int width = out->width; \
832 const float h = out->height; \
833 \
834 for (int y = slice_start; y < slice_end; y++) { \
835 const float smooth = 1.f + (h - 1 - y) / h - progress * 2.f; \
836 for (int x = 0; x < width; x++) { \
837 for (int p = 0; p < s->nb_planes; p++) { \
838 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
839 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
840 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
841 \
842 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
843 } \
844 } \
845 } \
846 }
847
848 SMOOTHDOWN_TRANSITION(8, uint8_t, 1)
849 SMOOTHDOWN_TRANSITION(16, uint16_t, 2)
850
851 #define CIRCLEOPEN_TRANSITION(name, type, div) \
852 static void circleopen##name##_transition(AVFilterContext *ctx, \
853 const AVFrame *a, const AVFrame *b, AVFrame *out, \
854 float progress, \
855 int slice_start, int slice_end, int jobnr) \
856 { \
857 XFadeContext *s = ctx->priv; \
858 const int width = out->width; \
859 const int height = out->height; \
860 const float z = hypotf(width / 2, height / 2); \
861 const float p = (progress - 0.5f) * 3.f; \
862 \
863 for (int y = slice_start; y < slice_end; y++) { \
864 for (int x = 0; x < width; x++) { \
865 const float smooth = hypotf(x - width / 2, y - height / 2) / z + p; \
866 for (int p = 0; p < s->nb_planes; p++) { \
867 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
868 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
869 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
870 \
871 dst[x] = mix(xf0[x], xf1[x], smoothstep(0.f, 1.f, smooth)); \
872 } \
873 } \
874 } \
875 }
876
877 CIRCLEOPEN_TRANSITION(8, uint8_t, 1)
878 CIRCLEOPEN_TRANSITION(16, uint16_t, 2)
879
880 #define CIRCLECLOSE_TRANSITION(name, type, div) \
881 static void circleclose##name##_transition(AVFilterContext *ctx, \
882 const AVFrame *a, const AVFrame *b, AVFrame *out, \
883 float progress, \
884 int slice_start, int slice_end, int jobnr) \
885 { \
886 XFadeContext *s = ctx->priv; \
887 const int width = out->width; \
888 const int height = out->height; \
889 const float z = hypotf(width / 2, height / 2); \
890 const float p = (1.f - progress - 0.5f) * 3.f; \
891 \
892 for (int y = slice_start; y < slice_end; y++) { \
893 for (int x = 0; x < width; x++) { \
894 const float smooth = hypotf(x - width / 2, y - height / 2) / z + p; \
895 for (int p = 0; p < s->nb_planes; p++) { \
896 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
897 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
898 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
899 \
900 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
901 } \
902 } \
903 } \
904 }
905
906 CIRCLECLOSE_TRANSITION(8, uint8_t, 1)
907 CIRCLECLOSE_TRANSITION(16, uint16_t, 2)
908
909 #define VERTOPEN_TRANSITION(name, type, div) \
910 static void vertopen##name##_transition(AVFilterContext *ctx, \
911 const AVFrame *a, const AVFrame *b, AVFrame *out, \
912 float progress, \
913 int slice_start, int slice_end, int jobnr) \
914 { \
915 XFadeContext *s = ctx->priv; \
916 const int width = out->width; \
917 const float w2 = out->width / 2; \
918 \
919 for (int y = slice_start; y < slice_end; y++) { \
920 for (int x = 0; x < width; x++) { \
921 const float smooth = 2.f - fabsf((x - w2) / w2) - progress * 2.f; \
922 for (int p = 0; p < s->nb_planes; p++) { \
923 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
924 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
925 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
926 \
927 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
928 } \
929 } \
930 } \
931 }
932
933 VERTOPEN_TRANSITION(8, uint8_t, 1)
934 VERTOPEN_TRANSITION(16, uint16_t, 2)
935
936 #define VERTCLOSE_TRANSITION(name, type, div) \
937 static void vertclose##name##_transition(AVFilterContext *ctx, \
938 const AVFrame *a, const AVFrame *b, AVFrame *out, \
939 float progress, \
940 int slice_start, int slice_end, int jobnr) \
941 { \
942 XFadeContext *s = ctx->priv; \
943 const int width = out->width; \
944 const float w2 = out->width / 2; \
945 \
946 for (int y = slice_start; y < slice_end; y++) { \
947 for (int x = 0; x < width; x++) { \
948 const float smooth = 1.f + fabsf((x - w2) / w2) - progress * 2.f; \
949 for (int p = 0; p < s->nb_planes; p++) { \
950 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
951 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
952 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
953 \
954 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
955 } \
956 } \
957 } \
958 }
959
960 VERTCLOSE_TRANSITION(8, uint8_t, 1)
961 VERTCLOSE_TRANSITION(16, uint16_t, 2)
962
963 #define HORZOPEN_TRANSITION(name, type, div) \
964 static void horzopen##name##_transition(AVFilterContext *ctx, \
965 const AVFrame *a, const AVFrame *b, AVFrame *out, \
966 float progress, \
967 int slice_start, int slice_end, int jobnr) \
968 { \
969 XFadeContext *s = ctx->priv; \
970 const int width = out->width; \
971 const float h2 = out->height / 2; \
972 \
973 for (int y = slice_start; y < slice_end; y++) { \
974 const float smooth = 2.f - fabsf((y - h2) / h2) - progress * 2.f; \
975 for (int x = 0; x < width; x++) { \
976 for (int p = 0; p < s->nb_planes; p++) { \
977 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
978 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
979 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
980 \
981 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
982 } \
983 } \
984 } \
985 }
986
987 HORZOPEN_TRANSITION(8, uint8_t, 1)
988 HORZOPEN_TRANSITION(16, uint16_t, 2)
989
990 #define HORZCLOSE_TRANSITION(name, type, div) \
991 static void horzclose##name##_transition(AVFilterContext *ctx, \
992 const AVFrame *a, const AVFrame *b, AVFrame *out, \
993 float progress, \
994 int slice_start, int slice_end, int jobnr) \
995 { \
996 XFadeContext *s = ctx->priv; \
997 const int width = out->width; \
998 const float h2 = out->height / 2; \
999 \
1000 for (int y = slice_start; y < slice_end; y++) { \
1001 const float smooth = 1.f + fabsf((y - h2) / h2) - progress * 2.f; \
1002 for (int x = 0; x < width; x++) { \
1003 for (int p = 0; p < s->nb_planes; p++) { \
1004 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1005 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1006 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1007 \
1008 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
1009 } \
1010 } \
1011 } \
1012 }
1013
1014 HORZCLOSE_TRANSITION(8, uint8_t, 1)
1015 HORZCLOSE_TRANSITION(16, uint16_t, 2)
1016
frand(int x,int y)1017 static float frand(int x, int y)
1018 {
1019 const float r = sinf(x * 12.9898f + y * 78.233f) * 43758.545f;
1020
1021 return r - floorf(r);
1022 }
1023
1024 #define DISSOLVE_TRANSITION(name, type, div) \
1025 static void dissolve##name##_transition(AVFilterContext *ctx, \
1026 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1027 float progress, \
1028 int slice_start, int slice_end, int jobnr) \
1029 { \
1030 XFadeContext *s = ctx->priv; \
1031 const int width = out->width; \
1032 \
1033 for (int y = slice_start; y < slice_end; y++) { \
1034 for (int x = 0; x < width; x++) { \
1035 const float smooth = frand(x, y) * 2.f + progress * 2.f - 1.5f; \
1036 for (int p = 0; p < s->nb_planes; p++) { \
1037 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1038 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1039 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1040 \
1041 dst[x] = smooth >= 0.5f ? xf0[x] : xf1[x]; \
1042 } \
1043 } \
1044 } \
1045 }
1046
1047 DISSOLVE_TRANSITION(8, uint8_t, 1)
1048 DISSOLVE_TRANSITION(16, uint16_t, 2)
1049
1050 #define PIXELIZE_TRANSITION(name, type, div) \
1051 static void pixelize##name##_transition(AVFilterContext *ctx, \
1052 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1053 float progress, \
1054 int slice_start, int slice_end, int jobnr) \
1055 { \
1056 XFadeContext *s = ctx->priv; \
1057 const int w = out->width; \
1058 const int h = out->height; \
1059 const float d = fminf(progress, 1.f - progress); \
1060 const float dist = ceilf(d * 50.f) / 50.f; \
1061 const float sqx = 2.f * dist * FFMIN(w, h) / 20.f; \
1062 const float sqy = 2.f * dist * FFMIN(w, h) / 20.f; \
1063 \
1064 for (int y = slice_start; y < slice_end; y++) { \
1065 for (int x = 0; x < w; x++) { \
1066 int sx = dist > 0.f ? FFMIN((floorf(x / sqx) + .5f) * sqx, w - 1) : x; \
1067 int sy = dist > 0.f ? FFMIN((floorf(y / sqy) + .5f) * sqy, h - 1) : y; \
1068 for (int p = 0; p < s->nb_planes; p++) { \
1069 const type *xf0 = (const type *)(a->data[p] + sy * a->linesize[p]); \
1070 const type *xf1 = (const type *)(b->data[p] + sy * b->linesize[p]); \
1071 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1072 \
1073 dst[x] = mix(xf0[sx], xf1[sx], progress); \
1074 } \
1075 } \
1076 } \
1077 }
1078
1079 PIXELIZE_TRANSITION(8, uint8_t, 1)
1080 PIXELIZE_TRANSITION(16, uint16_t, 2)
1081
1082 #define DIAGTL_TRANSITION(name, type, div) \
1083 static void diagtl##name##_transition(AVFilterContext *ctx, \
1084 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1085 float progress, \
1086 int slice_start, int slice_end, int jobnr) \
1087 { \
1088 XFadeContext *s = ctx->priv; \
1089 const int width = out->width; \
1090 const float w = width; \
1091 const float h = out->height; \
1092 \
1093 for (int y = slice_start; y < slice_end; y++) { \
1094 for (int x = 0; x < width; x++) { \
1095 const float smooth = 1.f + x / w * y / h - progress * 2.f; \
1096 \
1097 for (int p = 0; p < s->nb_planes; p++) { \
1098 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1099 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1100 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1101 \
1102 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
1103 } \
1104 } \
1105 } \
1106 }
1107
1108 DIAGTL_TRANSITION(8, uint8_t, 1)
1109 DIAGTL_TRANSITION(16, uint16_t, 2)
1110
1111 #define DIAGTR_TRANSITION(name, type, div) \
1112 static void diagtr##name##_transition(AVFilterContext *ctx, \
1113 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1114 float progress, \
1115 int slice_start, int slice_end, int jobnr) \
1116 { \
1117 XFadeContext *s = ctx->priv; \
1118 const int width = out->width; \
1119 const float w = width; \
1120 const float h = out->height; \
1121 \
1122 for (int y = slice_start; y < slice_end; y++) { \
1123 for (int x = 0; x < width; x++) { \
1124 const float smooth = 1.f + (w - 1 - x) / w * y / h - progress * 2.f; \
1125 \
1126 for (int p = 0; p < s->nb_planes; p++) { \
1127 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1128 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1129 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1130 \
1131 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
1132 } \
1133 } \
1134 } \
1135 }
1136
1137 DIAGTR_TRANSITION(8, uint8_t, 1)
1138 DIAGTR_TRANSITION(16, uint16_t, 2)
1139
1140 #define DIAGBL_TRANSITION(name, type, div) \
1141 static void diagbl##name##_transition(AVFilterContext *ctx, \
1142 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1143 float progress, \
1144 int slice_start, int slice_end, int jobnr) \
1145 { \
1146 XFadeContext *s = ctx->priv; \
1147 const int width = out->width; \
1148 const float w = width; \
1149 const float h = out->height; \
1150 \
1151 for (int y = slice_start; y < slice_end; y++) { \
1152 for (int x = 0; x < width; x++) { \
1153 const float smooth = 1.f + x / w * (h - 1 - y) / h - progress * 2.f; \
1154 \
1155 for (int p = 0; p < s->nb_planes; p++) { \
1156 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1157 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1158 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1159 \
1160 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
1161 } \
1162 } \
1163 } \
1164 }
1165
1166 DIAGBL_TRANSITION(8, uint8_t, 1)
1167 DIAGBL_TRANSITION(16, uint16_t, 2)
1168
1169 #define DIAGBR_TRANSITION(name, type, div) \
1170 static void diagbr##name##_transition(AVFilterContext *ctx, \
1171 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1172 float progress, \
1173 int slice_start, int slice_end, int jobnr) \
1174 { \
1175 XFadeContext *s = ctx->priv; \
1176 const int width = out->width; \
1177 const float w = width; \
1178 const float h = out->height; \
1179 \
1180 for (int y = slice_start; y < slice_end; y++) { \
1181 for (int x = 0; x < width; x++) { \
1182 const float smooth = 1.f + (w - 1 - x) / w * (h - 1 - y) / h - \
1183 progress * 2.f; \
1184 \
1185 for (int p = 0; p < s->nb_planes; p++) { \
1186 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1187 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1188 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1189 \
1190 dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
1191 } \
1192 } \
1193 } \
1194 }
1195
1196 DIAGBR_TRANSITION(8, uint8_t, 1)
1197 DIAGBR_TRANSITION(16, uint16_t, 2)
1198
1199 #define HLSLICE_TRANSITION(name, type, div) \
1200 static void hlslice##name##_transition(AVFilterContext *ctx, \
1201 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1202 float progress, \
1203 int slice_start, int slice_end, int jobnr) \
1204 { \
1205 XFadeContext *s = ctx->priv; \
1206 const int width = out->width; \
1207 const float w = width; \
1208 \
1209 for (int y = slice_start; y < slice_end; y++) { \
1210 for (int x = 0; x < width; x++) { \
1211 const float smooth = smoothstep(-0.5f, 0.f, x / w - progress * 1.5f); \
1212 const float ss = smooth <= fract(10.f * x / w) ? 0.f : 1.f; \
1213 \
1214 for (int p = 0; p < s->nb_planes; p++) { \
1215 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1216 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1217 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1218 \
1219 dst[x] = mix(xf1[x], xf0[x], ss); \
1220 } \
1221 } \
1222 } \
1223 }
1224
1225 HLSLICE_TRANSITION(8, uint8_t, 1)
1226 HLSLICE_TRANSITION(16, uint16_t, 2)
1227
1228 #define HRSLICE_TRANSITION(name, type, div) \
1229 static void hrslice##name##_transition(AVFilterContext *ctx, \
1230 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1231 float progress, \
1232 int slice_start, int slice_end, int jobnr) \
1233 { \
1234 XFadeContext *s = ctx->priv; \
1235 const int width = out->width; \
1236 const float w = width; \
1237 \
1238 for (int y = slice_start; y < slice_end; y++) { \
1239 for (int x = 0; x < width; x++) { \
1240 const float xx = (w - 1 - x) / w; \
1241 const float smooth = smoothstep(-0.5f, 0.f, xx - progress * 1.5f); \
1242 const float ss = smooth <= fract(10.f * xx) ? 0.f : 1.f; \
1243 \
1244 for (int p = 0; p < s->nb_planes; p++) { \
1245 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1246 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1247 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1248 \
1249 dst[x] = mix(xf1[x], xf0[x], ss); \
1250 } \
1251 } \
1252 } \
1253 }
1254
1255 HRSLICE_TRANSITION(8, uint8_t, 1)
1256 HRSLICE_TRANSITION(16, uint16_t, 2)
1257
1258 #define VUSLICE_TRANSITION(name, type, div) \
1259 static void vuslice##name##_transition(AVFilterContext *ctx, \
1260 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1261 float progress, \
1262 int slice_start, int slice_end, int jobnr) \
1263 { \
1264 XFadeContext *s = ctx->priv; \
1265 const int width = out->width; \
1266 const float h = out->height; \
1267 \
1268 for (int y = slice_start; y < slice_end; y++) { \
1269 const float smooth = smoothstep(-0.5f, 0.f, y / h - progress * 1.5f); \
1270 const float ss = smooth <= fract(10.f * y / h) ? 0.f : 1.f; \
1271 \
1272 for (int x = 0; x < width; x++) { \
1273 for (int p = 0; p < s->nb_planes; p++) { \
1274 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1275 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1276 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1277 \
1278 dst[x] = mix(xf1[x], xf0[x], ss); \
1279 } \
1280 } \
1281 } \
1282 }
1283
1284 VUSLICE_TRANSITION(8, uint8_t, 1)
1285 VUSLICE_TRANSITION(16, uint16_t, 2)
1286
1287 #define VDSLICE_TRANSITION(name, type, div) \
1288 static void vdslice##name##_transition(AVFilterContext *ctx, \
1289 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1290 float progress, \
1291 int slice_start, int slice_end, int jobnr) \
1292 { \
1293 XFadeContext *s = ctx->priv; \
1294 const int width = out->width; \
1295 const float h = out->height; \
1296 \
1297 for (int y = slice_start; y < slice_end; y++) { \
1298 const float yy = (h - 1 - y) / h; \
1299 const float smooth = smoothstep(-0.5f, 0.f, yy - progress * 1.5f); \
1300 const float ss = smooth <= fract(10.f * yy) ? 0.f : 1.f; \
1301 \
1302 for (int x = 0; x < width; x++) { \
1303 for (int p = 0; p < s->nb_planes; p++) { \
1304 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1305 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1306 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1307 \
1308 dst[x] = mix(xf1[x], xf0[x], ss); \
1309 } \
1310 } \
1311 } \
1312 }
1313
1314 VDSLICE_TRANSITION(8, uint8_t, 1)
1315 VDSLICE_TRANSITION(16, uint16_t, 2)
1316
1317 #define HBLUR_TRANSITION(name, type, div) \
1318 static void hblur##name##_transition(AVFilterContext *ctx, \
1319 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1320 float progress, \
1321 int slice_start, int slice_end, int jobnr) \
1322 { \
1323 XFadeContext *s = ctx->priv; \
1324 const int width = out->width; \
1325 const float prog = progress <= 0.5f ? progress * 2.f : (1.f - progress) * 2.f; \
1326 const int size = 1 + (width / 2) * prog; \
1327 \
1328 for (int y = slice_start; y < slice_end; y++) { \
1329 for (int p = 0; p < s->nb_planes; p++) { \
1330 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1331 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1332 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1333 float sum0 = 0.f; \
1334 float sum1 = 0.f; \
1335 float cnt = size; \
1336 \
1337 for (int x = 0; x < size; x++) { \
1338 sum0 += xf0[x]; \
1339 sum1 += xf1[x]; \
1340 } \
1341 \
1342 for (int x = 0; x < width; x++) { \
1343 dst[x] = mix(sum0 / cnt, sum1 / cnt, progress); \
1344 \
1345 if (x + size < width) { \
1346 sum0 += xf0[x + size] - xf0[x]; \
1347 sum1 += xf1[x + size] - xf1[x]; \
1348 } else { \
1349 sum0 -= xf0[x]; \
1350 sum1 -= xf1[x]; \
1351 cnt--; \
1352 } \
1353 } \
1354 } \
1355 } \
1356 }
1357
1358 HBLUR_TRANSITION(8, uint8_t, 1)
1359 HBLUR_TRANSITION(16, uint16_t, 2)
1360
1361 #define FADEGRAYS_TRANSITION(name, type, div) \
1362 static void fadegrays##name##_transition(AVFilterContext *ctx, \
1363 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1364 float progress, \
1365 int slice_start, int slice_end, int jobnr) \
1366 { \
1367 XFadeContext *s = ctx->priv; \
1368 const int width = out->width; \
1369 const int is_rgb = s->is_rgb; \
1370 const int mid = (s->max_value + 1) / 2; \
1371 const float phase = 0.2f; \
1372 \
1373 for (int y = slice_start; y < slice_end; y++) { \
1374 for (int x = 0; x < width; x++) { \
1375 int bg[2][4]; \
1376 if (is_rgb) { \
1377 for (int p = 0; p < s->nb_planes; p++) { \
1378 const type *xf0 = (const type *)(a->data[p] + \
1379 y * a->linesize[p]); \
1380 const type *xf1 = (const type *)(b->data[p] + \
1381 y * b->linesize[p]); \
1382 if (p == 3) { \
1383 bg[0][3] = xf0[x]; \
1384 bg[1][3] = xf1[x]; \
1385 } else { \
1386 bg[0][0] += xf0[x]; \
1387 bg[1][0] += xf1[x]; \
1388 } \
1389 } \
1390 bg[0][0] = bg[0][0] / 3; \
1391 bg[1][0] = bg[1][0] / 3; \
1392 bg[0][1] = bg[0][2] = bg[0][0]; \
1393 bg[1][1] = bg[1][2] = bg[1][0]; \
1394 } else { \
1395 const type *yf0 = (const type *)(a->data[0] + \
1396 y * a->linesize[0]); \
1397 const type *yf1 = (const type *)(b->data[0] + \
1398 y * a->linesize[0]); \
1399 bg[0][0] = yf0[x]; \
1400 bg[1][0] = yf1[x]; \
1401 if (s->nb_planes == 4) { \
1402 const type *af0 = (const type *)(a->data[3] + \
1403 y * a->linesize[3]); \
1404 const type *af1 = (const type *)(b->data[3] + \
1405 y * a->linesize[3]); \
1406 bg[0][3] = af0[x]; \
1407 bg[1][3] = af1[x]; \
1408 } \
1409 bg[0][1] = bg[1][1] = mid; \
1410 bg[0][2] = bg[1][2] = mid; \
1411 } \
1412 \
1413 for (int p = 0; p < s->nb_planes; p++) { \
1414 const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
1415 const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
1416 type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
1417 \
1418 dst[x] = mix(mix(xf0[x], bg[0][p], \
1419 smoothstep(1.f-phase, 1.f, progress)), \
1420 mix(bg[1][p], xf1[x], smoothstep(phase, 1.f, progress)), \
1421 progress); \
1422 } \
1423 } \
1424 } \
1425 }
1426
1427 FADEGRAYS_TRANSITION(8, uint8_t, 1)
1428 FADEGRAYS_TRANSITION(16, uint16_t, 2)
1429
1430 #define WIPETL_TRANSITION(name, type, div) \
1431 static void wipetl##name##_transition(AVFilterContext *ctx, \
1432 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1433 float progress, \
1434 int slice_start, int slice_end, int jobnr) \
1435 { \
1436 XFadeContext *s = ctx->priv; \
1437 const int height = slice_end - slice_start; \
1438 const int zw = out->width * progress; \
1439 const int zh = out->height * progress; \
1440 \
1441 for (int p = 0; p < s->nb_planes; p++) { \
1442 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
1443 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1444 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1445 \
1446 for (int y = 0; y < height; y++) { \
1447 for (int x = 0; x < out->width; x++) { \
1448 dst[x] = slice_start + y <= zh && \
1449 x <= zw ? xf0[x] : xf1[x]; \
1450 } \
1451 \
1452 dst += out->linesize[p] / div; \
1453 xf0 += a->linesize[p] / div; \
1454 xf1 += b->linesize[p] / div; \
1455 } \
1456 } \
1457 }
1458
1459 WIPETL_TRANSITION(8, uint8_t, 1)
1460 WIPETL_TRANSITION(16, uint16_t, 2)
1461
1462 #define WIPETR_TRANSITION(name, type, div) \
1463 static void wipetr##name##_transition(AVFilterContext *ctx, \
1464 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1465 float progress, \
1466 int slice_start, int slice_end, int jobnr) \
1467 { \
1468 XFadeContext *s = ctx->priv; \
1469 const int height = slice_end - slice_start; \
1470 const int zw = out->width * (1.f - progress); \
1471 const int zh = out->height * progress; \
1472 \
1473 for (int p = 0; p < s->nb_planes; p++) { \
1474 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
1475 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1476 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1477 \
1478 for (int y = 0; y < height; y++) { \
1479 for (int x = 0; x < out->width; x++) { \
1480 dst[x] = slice_start + y <= zh && \
1481 x > zw ? xf0[x] : xf1[x]; \
1482 } \
1483 \
1484 dst += out->linesize[p] / div; \
1485 xf0 += a->linesize[p] / div; \
1486 xf1 += b->linesize[p] / div; \
1487 } \
1488 } \
1489 }
1490
1491 WIPETR_TRANSITION(8, uint8_t, 1)
1492 WIPETR_TRANSITION(16, uint16_t, 2)
1493
1494 #define WIPEBL_TRANSITION(name, type, div) \
1495 static void wipebl##name##_transition(AVFilterContext *ctx, \
1496 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1497 float progress, \
1498 int slice_start, int slice_end, int jobnr) \
1499 { \
1500 XFadeContext *s = ctx->priv; \
1501 const int height = slice_end - slice_start; \
1502 const int zw = out->width * progress; \
1503 const int zh = out->height * (1.f - progress); \
1504 \
1505 for (int p = 0; p < s->nb_planes; p++) { \
1506 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
1507 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1508 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1509 \
1510 for (int y = 0; y < height; y++) { \
1511 for (int x = 0; x < out->width; x++) { \
1512 dst[x] = slice_start + y > zh && \
1513 x <= zw ? xf0[x] : xf1[x]; \
1514 } \
1515 \
1516 dst += out->linesize[p] / div; \
1517 xf0 += a->linesize[p] / div; \
1518 xf1 += b->linesize[p] / div; \
1519 } \
1520 } \
1521 }
1522
1523 WIPEBL_TRANSITION(8, uint8_t, 1)
1524 WIPEBL_TRANSITION(16, uint16_t, 2)
1525
1526 #define WIPEBR_TRANSITION(name, type, div) \
1527 static void wipebr##name##_transition(AVFilterContext *ctx, \
1528 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1529 float progress, \
1530 int slice_start, int slice_end, int jobnr) \
1531 { \
1532 XFadeContext *s = ctx->priv; \
1533 const int height = slice_end - slice_start; \
1534 const int zh = out->height * (1.f - progress); \
1535 const int zw = out->width * (1.f - progress); \
1536 \
1537 for (int p = 0; p < s->nb_planes; p++) { \
1538 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
1539 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1540 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1541 \
1542 for (int y = 0; y < height; y++) { \
1543 for (int x = 0; x < out->width; x++) { \
1544 dst[x] = slice_start + y > zh && \
1545 x > zw ? xf0[x] : xf1[x]; \
1546 } \
1547 \
1548 dst += out->linesize[p] / div; \
1549 xf0 += a->linesize[p] / div; \
1550 xf1 += b->linesize[p] / div; \
1551 } \
1552 } \
1553 }
1554
1555 WIPEBR_TRANSITION(8, uint8_t, 1)
1556 WIPEBR_TRANSITION(16, uint16_t, 2)
1557
1558 #define SQUEEZEH_TRANSITION(name, type, div) \
1559 static void squeezeh##name##_transition(AVFilterContext *ctx, \
1560 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1561 float progress, \
1562 int slice_start, int slice_end, int jobnr) \
1563 { \
1564 XFadeContext *s = ctx->priv; \
1565 const float h = out->height; \
1566 const int height = slice_end - slice_start; \
1567 \
1568 for (int p = 0; p < s->nb_planes; p++) { \
1569 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1570 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1571 \
1572 for (int y = 0; y < height; y++) { \
1573 const float z = .5f + ((slice_start + y) / h - .5f) / progress; \
1574 \
1575 if (z < 0.f || z > 1.f) { \
1576 for (int x = 0; x < out->width; x++) \
1577 dst[x] = xf1[x]; \
1578 } else { \
1579 const int yy = lrintf(z * (h - 1.f)); \
1580 const type *xf0 = (const type *)(a->data[p] + yy * a->linesize[p]); \
1581 \
1582 for (int x = 0; x < out->width; x++) \
1583 dst[x] = xf0[x]; \
1584 } \
1585 \
1586 dst += out->linesize[p] / div; \
1587 xf1 += b->linesize[p] / div; \
1588 } \
1589 } \
1590 }
1591
1592 SQUEEZEH_TRANSITION(8, uint8_t, 1)
1593 SQUEEZEH_TRANSITION(16, uint16_t, 2)
1594
1595 #define SQUEEZEV_TRANSITION(name, type, div) \
1596 static void squeezev##name##_transition(AVFilterContext *ctx, \
1597 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1598 float progress, \
1599 int slice_start, int slice_end, int jobnr) \
1600 { \
1601 XFadeContext *s = ctx->priv; \
1602 const float w = out->width; \
1603 const int height = slice_end - slice_start; \
1604 \
1605 for (int p = 0; p < s->nb_planes; p++) { \
1606 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
1607 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1608 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1609 \
1610 for (int y = 0; y < height; y++) { \
1611 for (int x = 0; x < out->width; x++) { \
1612 const float z = .5f + (x / w - .5f) / progress; \
1613 \
1614 if (z < 0.f || z > 1.f) { \
1615 dst[x] = xf1[x]; \
1616 } else { \
1617 const int xx = lrintf(z * (w - 1.f)); \
1618 \
1619 dst[x] = xf0[xx]; \
1620 } \
1621 } \
1622 \
1623 dst += out->linesize[p] / div; \
1624 xf0 += a->linesize[p] / div; \
1625 xf1 += b->linesize[p] / div; \
1626 } \
1627 } \
1628 }
1629
1630 SQUEEZEV_TRANSITION(8, uint8_t, 1)
1631 SQUEEZEV_TRANSITION(16, uint16_t, 2)
1632
zoom(float * u,float * v,float amount)1633 static void zoom(float *u, float *v, float amount)
1634 {
1635 *u = 0.5f + ((*u - 0.5f) * amount);
1636 *v = 0.5f + ((*v - 0.5f) * amount);
1637 }
1638
1639 #define ZOOMIN_TRANSITION(name, type, div) \
1640 static void zoomin##name##_transition(AVFilterContext *ctx, \
1641 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1642 float progress, \
1643 int slice_start, int slice_end, int jobnr) \
1644 { \
1645 XFadeContext *s = ctx->priv; \
1646 const float w = out->width; \
1647 const float h = out->height; \
1648 const float zf = smoothstep(0.5f, 1.f, progress); \
1649 \
1650 for (int p = 0; p < s->nb_planes; p++) { \
1651 const type *xf0 = (const type *)(a->data[p]); \
1652 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1653 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1654 \
1655 for (int y = slice_start; y < slice_end; y++) { \
1656 for (int x = 0; x < w; x++) { \
1657 float zv, u, v; \
1658 int iu, iv; \
1659 \
1660 u = x / w; \
1661 v = y / h; \
1662 zoom(&u, &v, zf); \
1663 iu = ceilf(u * (w - 1)); \
1664 iv = ceilf(v * (h - 1)); \
1665 zv = xf0[iu + iv * a->linesize[p] / div]; \
1666 dst[x] = mix(zv, xf1[x], smoothstep(0.f, 0.5f, progress)); \
1667 } \
1668 dst += out->linesize[p] / div; \
1669 xf1 += b->linesize[p] / div; \
1670 } \
1671 } \
1672 }
1673
1674 ZOOMIN_TRANSITION(8, uint8_t, 1)
1675 ZOOMIN_TRANSITION(16, uint16_t, 2)
1676
1677 #define FADEFAST_TRANSITION(name, type, div) \
1678 static void fadefast##name##_transition(AVFilterContext *ctx, \
1679 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1680 float progress, \
1681 int slice_start, int slice_end, int jobnr) \
1682 { \
1683 XFadeContext *s = ctx->priv; \
1684 const int height = slice_end - slice_start; \
1685 const float imax = 1.f / s->max_value; \
1686 \
1687 for (int p = 0; p < s->nb_planes; p++) { \
1688 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
1689 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1690 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1691 \
1692 for (int y = 0; y < height; y++) { \
1693 for (int x = 0; x < out->width; x++) { \
1694 dst[x] = mix(xf0[x], xf1[x], powf(progress, 1.f + \
1695 logf(1.f+FFABS(xf0[x]-xf1[x])*imax)\
1696 )); \
1697 } \
1698 \
1699 dst += out->linesize[p] / div; \
1700 xf0 += a->linesize[p] / div; \
1701 xf1 += b->linesize[p] / div; \
1702 } \
1703 } \
1704 }
1705
1706 FADEFAST_TRANSITION(8, uint8_t, 1)
1707 FADEFAST_TRANSITION(16, uint16_t, 2)
1708
1709 #define FADESLOW_TRANSITION(name, type, div) \
1710 static void fadeslow##name##_transition(AVFilterContext *ctx, \
1711 const AVFrame *a, const AVFrame *b, AVFrame *out, \
1712 float progress, \
1713 int slice_start, int slice_end, int jobnr) \
1714 { \
1715 XFadeContext *s = ctx->priv; \
1716 const int height = slice_end - slice_start; \
1717 const float imax = 1.f / s->max_value; \
1718 \
1719 for (int p = 0; p < s->nb_planes; p++) { \
1720 const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
1721 const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
1722 type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
1723 \
1724 for (int y = 0; y < height; y++) { \
1725 for (int x = 0; x < out->width; x++) { \
1726 dst[x] = mix(xf0[x], xf1[x], powf(progress, 1.f + \
1727 logf(2.f-FFABS(xf0[x]-xf1[x])*imax)\
1728 )); \
1729 } \
1730 \
1731 dst += out->linesize[p] / div; \
1732 xf0 += a->linesize[p] / div; \
1733 xf1 += b->linesize[p] / div; \
1734 } \
1735 } \
1736 }
1737
1738 FADESLOW_TRANSITION(8, uint8_t, 1)
1739 FADESLOW_TRANSITION(16, uint16_t, 2)
1740
getpix(void * priv,double x,double y,int plane,int nb)1741 static inline double getpix(void *priv, double x, double y, int plane, int nb)
1742 {
1743 XFadeContext *s = priv;
1744 AVFrame *in = s->xf[nb];
1745 const uint8_t *src = in->data[FFMIN(plane, s->nb_planes - 1)];
1746 int linesize = in->linesize[FFMIN(plane, s->nb_planes - 1)];
1747 const int w = in->width;
1748 const int h = in->height;
1749
1750 int xi, yi;
1751
1752 xi = av_clipd(x, 0, w - 1);
1753 yi = av_clipd(y, 0, h - 1);
1754
1755 if (s->depth > 8) {
1756 const uint16_t *src16 = (const uint16_t*)src;
1757
1758 linesize /= 2;
1759 return src16[xi + yi * linesize];
1760 } else {
1761 return src[xi + yi * linesize];
1762 }
1763 }
1764
a0(void * priv,double x,double y)1765 static double a0(void *priv, double x, double y) { return getpix(priv, x, y, 0, 0); }
a1(void * priv,double x,double y)1766 static double a1(void *priv, double x, double y) { return getpix(priv, x, y, 1, 0); }
a2(void * priv,double x,double y)1767 static double a2(void *priv, double x, double y) { return getpix(priv, x, y, 2, 0); }
a3(void * priv,double x,double y)1768 static double a3(void *priv, double x, double y) { return getpix(priv, x, y, 3, 0); }
1769
b0(void * priv,double x,double y)1770 static double b0(void *priv, double x, double y) { return getpix(priv, x, y, 0, 1); }
b1(void * priv,double x,double y)1771 static double b1(void *priv, double x, double y) { return getpix(priv, x, y, 1, 1); }
b2(void * priv,double x,double y)1772 static double b2(void *priv, double x, double y) { return getpix(priv, x, y, 2, 1); }
b3(void * priv,double x,double y)1773 static double b3(void *priv, double x, double y) { return getpix(priv, x, y, 3, 1); }
1774
config_output(AVFilterLink * outlink)1775 static int config_output(AVFilterLink *outlink)
1776 {
1777 AVFilterContext *ctx = outlink->src;
1778 AVFilterLink *inlink0 = ctx->inputs[0];
1779 AVFilterLink *inlink1 = ctx->inputs[1];
1780 XFadeContext *s = ctx->priv;
1781 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink0->format);
1782
1783 if (inlink0->w != inlink1->w || inlink0->h != inlink1->h) {
1784 av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
1785 "(size %dx%d) do not match the corresponding "
1786 "second input link %s parameters (size %dx%d)\n",
1787 ctx->input_pads[0].name, inlink0->w, inlink0->h,
1788 ctx->input_pads[1].name, inlink1->w, inlink1->h);
1789 return AVERROR(EINVAL);
1790 }
1791
1792 if (inlink0->time_base.num != inlink1->time_base.num ||
1793 inlink0->time_base.den != inlink1->time_base.den) {
1794 av_log(ctx, AV_LOG_ERROR, "First input link %s timebase "
1795 "(%d/%d) do not match the corresponding "
1796 "second input link %s timebase (%d/%d)\n",
1797 ctx->input_pads[0].name, inlink0->time_base.num, inlink0->time_base.den,
1798 ctx->input_pads[1].name, inlink1->time_base.num, inlink1->time_base.den);
1799 return AVERROR(EINVAL);
1800 }
1801
1802 if (!inlink0->frame_rate.num || !inlink0->frame_rate.den) {
1803 av_log(ctx, AV_LOG_ERROR, "The inputs needs to be a constant frame rate; "
1804 "current rate of %d/%d is invalid\n", inlink0->frame_rate.num, inlink0->frame_rate.den);
1805 return AVERROR(EINVAL);
1806 }
1807
1808 if (inlink0->frame_rate.num != inlink1->frame_rate.num ||
1809 inlink0->frame_rate.den != inlink1->frame_rate.den) {
1810 av_log(ctx, AV_LOG_ERROR, "First input link %s frame rate "
1811 "(%d/%d) do not match the corresponding "
1812 "second input link %s frame rate (%d/%d)\n",
1813 ctx->input_pads[0].name, inlink0->frame_rate.num, inlink0->frame_rate.den,
1814 ctx->input_pads[1].name, inlink1->frame_rate.num, inlink1->frame_rate.den);
1815 return AVERROR(EINVAL);
1816 }
1817
1818 outlink->w = inlink0->w;
1819 outlink->h = inlink0->h;
1820 outlink->time_base = inlink0->time_base;
1821 outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio;
1822 outlink->frame_rate = inlink0->frame_rate;
1823
1824 s->depth = pix_desc->comp[0].depth;
1825 s->is_rgb = !!(pix_desc->flags & AV_PIX_FMT_FLAG_RGB);
1826 s->nb_planes = av_pix_fmt_count_planes(inlink0->format);
1827 s->max_value = (1 << s->depth) - 1;
1828 s->black[0] = 0;
1829 s->black[1] = s->black[2] = s->is_rgb ? 0 : s->max_value / 2;
1830 s->black[3] = s->max_value;
1831 s->white[0] = s->white[3] = s->max_value;
1832 s->white[1] = s->white[2] = s->is_rgb ? s->max_value : s->max_value / 2;
1833
1834 s->first_pts = s->last_pts = s->pts = AV_NOPTS_VALUE;
1835
1836 if (s->duration)
1837 s->duration_pts = av_rescale_q(s->duration, AV_TIME_BASE_Q, outlink->time_base);
1838 if (s->offset)
1839 s->offset_pts = av_rescale_q(s->offset, AV_TIME_BASE_Q, outlink->time_base);
1840
1841 switch (s->transition) {
1842 case CUSTOM: s->transitionf = s->depth <= 8 ? custom8_transition : custom16_transition; break;
1843 case FADE: s->transitionf = s->depth <= 8 ? fade8_transition : fade16_transition; break;
1844 case WIPELEFT: s->transitionf = s->depth <= 8 ? wipeleft8_transition : wipeleft16_transition; break;
1845 case WIPERIGHT: s->transitionf = s->depth <= 8 ? wiperight8_transition : wiperight16_transition; break;
1846 case WIPEUP: s->transitionf = s->depth <= 8 ? wipeup8_transition : wipeup16_transition; break;
1847 case WIPEDOWN: s->transitionf = s->depth <= 8 ? wipedown8_transition : wipedown16_transition; break;
1848 case SLIDELEFT: s->transitionf = s->depth <= 8 ? slideleft8_transition : slideleft16_transition; break;
1849 case SLIDERIGHT: s->transitionf = s->depth <= 8 ? slideright8_transition : slideright16_transition; break;
1850 case SLIDEUP: s->transitionf = s->depth <= 8 ? slideup8_transition : slideup16_transition; break;
1851 case SLIDEDOWN: s->transitionf = s->depth <= 8 ? slidedown8_transition : slidedown16_transition; break;
1852 case CIRCLECROP: s->transitionf = s->depth <= 8 ? circlecrop8_transition : circlecrop16_transition; break;
1853 case RECTCROP: s->transitionf = s->depth <= 8 ? rectcrop8_transition : rectcrop16_transition; break;
1854 case DISTANCE: s->transitionf = s->depth <= 8 ? distance8_transition : distance16_transition; break;
1855 case FADEBLACK: s->transitionf = s->depth <= 8 ? fadeblack8_transition : fadeblack16_transition; break;
1856 case FADEWHITE: s->transitionf = s->depth <= 8 ? fadewhite8_transition : fadewhite16_transition; break;
1857 case RADIAL: s->transitionf = s->depth <= 8 ? radial8_transition : radial16_transition; break;
1858 case SMOOTHLEFT: s->transitionf = s->depth <= 8 ? smoothleft8_transition : smoothleft16_transition; break;
1859 case SMOOTHRIGHT:s->transitionf = s->depth <= 8 ? smoothright8_transition: smoothright16_transition;break;
1860 case SMOOTHUP: s->transitionf = s->depth <= 8 ? smoothup8_transition : smoothup16_transition; break;
1861 case SMOOTHDOWN: s->transitionf = s->depth <= 8 ? smoothdown8_transition : smoothdown16_transition; break;
1862 case CIRCLEOPEN: s->transitionf = s->depth <= 8 ? circleopen8_transition : circleopen16_transition; break;
1863 case CIRCLECLOSE:s->transitionf = s->depth <= 8 ? circleclose8_transition: circleclose16_transition;break;
1864 case VERTOPEN: s->transitionf = s->depth <= 8 ? vertopen8_transition : vertopen16_transition; break;
1865 case VERTCLOSE: s->transitionf = s->depth <= 8 ? vertclose8_transition : vertclose16_transition; break;
1866 case HORZOPEN: s->transitionf = s->depth <= 8 ? horzopen8_transition : horzopen16_transition; break;
1867 case HORZCLOSE: s->transitionf = s->depth <= 8 ? horzclose8_transition : horzclose16_transition; break;
1868 case DISSOLVE: s->transitionf = s->depth <= 8 ? dissolve8_transition : dissolve16_transition; break;
1869 case PIXELIZE: s->transitionf = s->depth <= 8 ? pixelize8_transition : pixelize16_transition; break;
1870 case DIAGTL: s->transitionf = s->depth <= 8 ? diagtl8_transition : diagtl16_transition; break;
1871 case DIAGTR: s->transitionf = s->depth <= 8 ? diagtr8_transition : diagtr16_transition; break;
1872 case DIAGBL: s->transitionf = s->depth <= 8 ? diagbl8_transition : diagbl16_transition; break;
1873 case DIAGBR: s->transitionf = s->depth <= 8 ? diagbr8_transition : diagbr16_transition; break;
1874 case HLSLICE: s->transitionf = s->depth <= 8 ? hlslice8_transition : hlslice16_transition; break;
1875 case HRSLICE: s->transitionf = s->depth <= 8 ? hrslice8_transition : hrslice16_transition; break;
1876 case VUSLICE: s->transitionf = s->depth <= 8 ? vuslice8_transition : vuslice16_transition; break;
1877 case VDSLICE: s->transitionf = s->depth <= 8 ? vdslice8_transition : vdslice16_transition; break;
1878 case HBLUR: s->transitionf = s->depth <= 8 ? hblur8_transition : hblur16_transition; break;
1879 case FADEGRAYS: s->transitionf = s->depth <= 8 ? fadegrays8_transition : fadegrays16_transition; break;
1880 case WIPETL: s->transitionf = s->depth <= 8 ? wipetl8_transition : wipetl16_transition; break;
1881 case WIPETR: s->transitionf = s->depth <= 8 ? wipetr8_transition : wipetr16_transition; break;
1882 case WIPEBL: s->transitionf = s->depth <= 8 ? wipebl8_transition : wipebl16_transition; break;
1883 case WIPEBR: s->transitionf = s->depth <= 8 ? wipebr8_transition : wipebr16_transition; break;
1884 case SQUEEZEH: s->transitionf = s->depth <= 8 ? squeezeh8_transition : squeezeh16_transition; break;
1885 case SQUEEZEV: s->transitionf = s->depth <= 8 ? squeezev8_transition : squeezev16_transition; break;
1886 case ZOOMIN: s->transitionf = s->depth <= 8 ? zoomin8_transition : zoomin16_transition; break;
1887 case FADEFAST: s->transitionf = s->depth <= 8 ? fadefast8_transition : fadefast16_transition; break;
1888 case FADESLOW: s->transitionf = s->depth <= 8 ? fadeslow8_transition : fadeslow16_transition; break;
1889 default: return AVERROR_BUG;
1890 }
1891
1892 if (s->transition == CUSTOM) {
1893 static const char *const func2_names[] = {
1894 "a0", "a1", "a2", "a3",
1895 "b0", "b1", "b2", "b3",
1896 NULL
1897 };
1898 double (*func2[])(void *, double, double) = {
1899 a0, a1, a2, a3,
1900 b0, b1, b2, b3,
1901 NULL };
1902 int ret;
1903
1904 if (!s->custom_str)
1905 return AVERROR(EINVAL);
1906 ret = av_expr_parse(&s->e, s->custom_str, var_names,
1907 NULL, NULL, func2_names, func2, 0, ctx);
1908 if (ret < 0)
1909 return ret;
1910 }
1911
1912 return 0;
1913 }
1914
xfade_slice(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)1915 static int xfade_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
1916 {
1917 XFadeContext *s = ctx->priv;
1918 AVFilterLink *outlink = ctx->outputs[0];
1919 ThreadData *td = arg;
1920 int slice_start = (outlink->h * jobnr ) / nb_jobs;
1921 int slice_end = (outlink->h * (jobnr+1)) / nb_jobs;
1922
1923 s->transitionf(ctx, td->xf[0], td->xf[1], td->out, td->progress, slice_start, slice_end, jobnr);
1924
1925 return 0;
1926 }
1927
xfade_frame(AVFilterContext * ctx,AVFrame * a,AVFrame * b)1928 static int xfade_frame(AVFilterContext *ctx, AVFrame *a, AVFrame *b)
1929 {
1930 XFadeContext *s = ctx->priv;
1931 AVFilterLink *outlink = ctx->outputs[0];
1932 float progress = av_clipf(1.f - ((float)(s->pts - s->first_pts - s->offset_pts) / s->duration_pts), 0.f, 1.f);
1933 ThreadData td;
1934 AVFrame *out;
1935
1936 out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
1937 if (!out)
1938 return AVERROR(ENOMEM);
1939 av_frame_copy_props(out, a);
1940
1941 td.xf[0] = a, td.xf[1] = b, td.out = out, td.progress = progress;
1942 ff_filter_execute(ctx, xfade_slice, &td, NULL,
1943 FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
1944
1945 out->pts = s->pts;
1946
1947 return ff_filter_frame(outlink, out);
1948 }
1949
xfade_activate(AVFilterContext * ctx)1950 static int xfade_activate(AVFilterContext *ctx)
1951 {
1952 XFadeContext *s = ctx->priv;
1953 AVFilterLink *outlink = ctx->outputs[0];
1954 AVFrame *in = NULL;
1955 int ret = 0, status;
1956 int64_t pts;
1957
1958 FF_FILTER_FORWARD_STATUS_BACK_ALL(outlink, ctx);
1959
1960 if (s->xfade_is_over) {
1961 if (!s->eof[0]) {
1962 ret = ff_inlink_consume_frame(ctx->inputs[0], &in);
1963 if (ret > 0)
1964 av_frame_free(&in);
1965 }
1966 ret = ff_inlink_consume_frame(ctx->inputs[1], &in);
1967 if (ret < 0) {
1968 return ret;
1969 } else if (ret > 0) {
1970 in->pts = (in->pts - s->last_pts) + s->pts;
1971 return ff_filter_frame(outlink, in);
1972 } else if (ff_inlink_acknowledge_status(ctx->inputs[1], &status, &pts)) {
1973 ff_outlink_set_status(outlink, status, s->pts);
1974 return 0;
1975 } else if (!ret) {
1976 if (ff_outlink_frame_wanted(outlink))
1977 ff_inlink_request_frame(ctx->inputs[1]);
1978 return 0;
1979 }
1980 }
1981
1982 if (ff_inlink_queued_frames(ctx->inputs[0]) > 0) {
1983 s->xf[0] = ff_inlink_peek_frame(ctx->inputs[0], 0);
1984 if (s->xf[0]) {
1985 if (s->first_pts == AV_NOPTS_VALUE) {
1986 s->first_pts = s->xf[0]->pts;
1987 }
1988 s->pts = s->xf[0]->pts;
1989 if (s->first_pts + s->offset_pts > s->xf[0]->pts) {
1990 s->xf[0] = NULL;
1991 s->need_second = 0;
1992 ff_inlink_consume_frame(ctx->inputs[0], &in);
1993 return ff_filter_frame(outlink, in);
1994 }
1995
1996 s->need_second = 1;
1997 }
1998 }
1999
2000 if (s->xf[0] && ff_inlink_queued_frames(ctx->inputs[1]) > 0) {
2001 ff_inlink_consume_frame(ctx->inputs[0], &s->xf[0]);
2002 ff_inlink_consume_frame(ctx->inputs[1], &s->xf[1]);
2003
2004 s->last_pts = s->xf[1]->pts;
2005 s->pts = s->xf[0]->pts;
2006 if (s->xf[0]->pts - (s->first_pts + s->offset_pts) > s->duration_pts)
2007 s->xfade_is_over = 1;
2008 ret = xfade_frame(ctx, s->xf[0], s->xf[1]);
2009 av_frame_free(&s->xf[0]);
2010 av_frame_free(&s->xf[1]);
2011 return ret;
2012 }
2013
2014 if (ff_inlink_queued_frames(ctx->inputs[0]) > 0 &&
2015 ff_inlink_queued_frames(ctx->inputs[1]) > 0) {
2016 ff_filter_set_ready(ctx, 100);
2017 return 0;
2018 }
2019
2020 if (ff_outlink_frame_wanted(outlink)) {
2021 if (!s->eof[0] && ff_outlink_get_status(ctx->inputs[0])) {
2022 s->eof[0] = 1;
2023 s->xfade_is_over = 1;
2024 }
2025 if (!s->eof[1] && ff_outlink_get_status(ctx->inputs[1])) {
2026 s->eof[1] = 1;
2027 }
2028 if (!s->eof[0] && !s->xf[0] && ff_inlink_queued_frames(ctx->inputs[0]) == 0)
2029 ff_inlink_request_frame(ctx->inputs[0]);
2030 if (!s->eof[1] && (s->need_second || s->eof[0]) && ff_inlink_queued_frames(ctx->inputs[1]) == 0)
2031 ff_inlink_request_frame(ctx->inputs[1]);
2032 if (s->eof[0] && s->eof[1] && (
2033 ff_inlink_queued_frames(ctx->inputs[0]) <= 0 &&
2034 ff_inlink_queued_frames(ctx->inputs[1]) <= 0)) {
2035 ff_outlink_set_status(outlink, AVERROR_EOF, AV_NOPTS_VALUE);
2036 } else if (s->xfade_is_over) {
2037 ff_filter_set_ready(ctx, 100);
2038 }
2039 return 0;
2040 }
2041
2042 return FFERROR_NOT_READY;
2043 }
2044
2045 static const AVFilterPad xfade_inputs[] = {
2046 {
2047 .name = "main",
2048 .type = AVMEDIA_TYPE_VIDEO,
2049 },
2050 {
2051 .name = "xfade",
2052 .type = AVMEDIA_TYPE_VIDEO,
2053 },
2054 };
2055
2056 static const AVFilterPad xfade_outputs[] = {
2057 {
2058 .name = "default",
2059 .type = AVMEDIA_TYPE_VIDEO,
2060 .config_props = config_output,
2061 },
2062 };
2063
2064 const AVFilter ff_vf_xfade = {
2065 .name = "xfade",
2066 .description = NULL_IF_CONFIG_SMALL("Cross fade one video with another video."),
2067 .priv_size = sizeof(XFadeContext),
2068 .priv_class = &xfade_class,
2069 .activate = xfade_activate,
2070 .uninit = uninit,
2071 FILTER_INPUTS(xfade_inputs),
2072 FILTER_OUTPUTS(xfade_outputs),
2073 FILTER_PIXFMTS_ARRAY(pix_fmts),
2074 .flags = AVFILTER_FLAG_SLICE_THREADS,
2075 };
2076