| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2010 Brandon Mintern | ||
| 3 | * Copyright (c) 2007 Bobby Bingham | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | /** | ||
| 23 | * @file | ||
| 24 | * video fade filter | ||
| 25 | * based heavily on vf_negate.c by Bobby Bingham | ||
| 26 | */ | ||
| 27 | |||
| 28 | #include "libavutil/avassert.h" | ||
| 29 | #include "libavutil/avstring.h" | ||
| 30 | #include "libavutil/common.h" | ||
| 31 | #include "libavutil/eval.h" | ||
| 32 | #include "libavutil/opt.h" | ||
| 33 | #include "libavutil/pixdesc.h" | ||
| 34 | #include "avfilter.h" | ||
| 35 | #include "drawutils.h" | ||
| 36 | #include "filters.h" | ||
| 37 | #include "formats.h" | ||
| 38 | #include "video.h" | ||
| 39 | |||
| 40 | #define R 0 | ||
| 41 | #define G 1 | ||
| 42 | #define B 2 | ||
| 43 | #define A 3 | ||
| 44 | |||
| 45 | #define Y 0 | ||
| 46 | #define U 1 | ||
| 47 | #define V 2 | ||
| 48 | |||
| 49 | #define FADE_IN 0 | ||
| 50 | #define FADE_OUT 1 | ||
| 51 | |||
| 52 | typedef struct FadeContext { | ||
| 53 | const AVClass *class; | ||
| 54 | int type; | ||
| 55 | int factor, fade_per_frame; | ||
| 56 | int start_frame, nb_frames; | ||
| 57 | int hsub, vsub, bpp, depth; | ||
| 58 | unsigned int black_level, black_level_scaled; | ||
| 59 | uint8_t is_rgb; | ||
| 60 | uint8_t is_packed_rgb; | ||
| 61 | uint8_t rgba_map[4]; | ||
| 62 | int alpha; | ||
| 63 | int is_planar; | ||
| 64 | uint64_t start_time, duration; | ||
| 65 | uint64_t start_time_pts, duration_pts; | ||
| 66 | enum {VF_FADE_WAITING=0, VF_FADE_FADING, VF_FADE_DONE} fade_state; | ||
| 67 | uint8_t color_rgba[4]; ///< fade color | ||
| 68 | int black_fade; ///< if color_rgba is black | ||
| 69 | int (*filter_slice_luma)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); | ||
| 70 | int (*filter_slice_chroma)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); | ||
| 71 | int (*filter_slice_alpha)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); | ||
| 72 | } FadeContext; | ||
| 73 | |||
| 74 | 4 | static av_cold int init(AVFilterContext *ctx) | |
| 75 | { | ||
| 76 | 4 | FadeContext *s = ctx->priv; | |
| 77 | |||
| 78 | 4 | s->fade_per_frame = (1 << 16) / s->nb_frames; | |
| 79 | 4 | s->fade_state = VF_FADE_WAITING; | |
| 80 | |||
| 81 |
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4 | if (s->duration != 0) { |
| 82 | // If duration (seconds) is non-zero, assume that we are not fading based on frames | ||
| 83 | ✗ | s->nb_frames = 0; // Mostly to clean up logging | |
| 84 | } | ||
| 85 | |||
| 86 | // Choose what to log. If both time-based and frame-based options, both lines will be in the log | ||
| 87 |
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4 | if (s->start_frame || s->nb_frames) { |
| 88 | 4 | av_log(ctx, AV_LOG_VERBOSE, | |
| 89 | "type:%s start_frame:%d nb_frames:%d alpha:%d\n", | ||
| 90 |
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4 | s->type == FADE_IN ? "in" : "out", s->start_frame, |
| 91 | s->nb_frames,s->alpha); | ||
| 92 | } | ||
| 93 |
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4 | if (s->start_time || s->duration) { |
| 94 | ✗ | av_log(ctx, AV_LOG_VERBOSE, | |
| 95 | "type:%s start_time:%f duration:%f alpha:%d\n", | ||
| 96 | ✗ | s->type == FADE_IN ? "in" : "out", (s->start_time / (double)AV_TIME_BASE), | |
| 97 | ✗ | (s->duration / (double)AV_TIME_BASE),s->alpha); | |
| 98 | } | ||
| 99 | |||
| 100 | 4 | s->black_fade = !memcmp(s->color_rgba, "\x00\x00\x00\xff", 4); | |
| 101 | 4 | return 0; | |
| 102 | } | ||
| 103 | |||
| 104 | 2 | static int query_formats(const AVFilterContext *ctx, | |
| 105 | AVFilterFormatsConfig **cfg_in, | ||
| 106 | AVFilterFormatsConfig **cfg_out) | ||
| 107 | { | ||
| 108 | 2 | const FadeContext *s = ctx->priv; | |
| 109 | static const enum AVPixelFormat pix_fmts[] = { | ||
| 110 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, | ||
| 111 | AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, | ||
| 112 | AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, | ||
| 113 | AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUVJ440P, | ||
| 114 | AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, | ||
| 115 | AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, | ||
| 116 | AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, | ||
| 117 | AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, | ||
| 118 | AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, | ||
| 119 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 120 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
| 121 | AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12, | ||
| 122 | AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, | ||
| 123 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 124 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, | ||
| 125 | AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, | ||
| 126 | AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, | ||
| 127 | AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, | ||
| 128 | AV_PIX_FMT_NONE | ||
| 129 | }; | ||
| 130 | static const enum AVPixelFormat pix_fmts_rgb[] = { | ||
| 131 | AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, | ||
| 132 | AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, | ||
| 133 | AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, | ||
| 134 | AV_PIX_FMT_GBRP, | ||
| 135 | AV_PIX_FMT_NONE | ||
| 136 | }; | ||
| 137 | static const enum AVPixelFormat pix_fmts_alpha[] = { | ||
| 138 | AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, | ||
| 139 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, | ||
| 140 | AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, | ||
| 141 | AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, | ||
| 142 | AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, | ||
| 143 | AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, | ||
| 144 | AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, | ||
| 145 | AV_PIX_FMT_GBRAP, | ||
| 146 | AV_PIX_FMT_NONE | ||
| 147 | }; | ||
| 148 | static const enum AVPixelFormat pix_fmts_rgba[] = { | ||
| 149 | AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, | ||
| 150 | AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, | ||
| 151 | AV_PIX_FMT_GBRAP, | ||
| 152 | AV_PIX_FMT_NONE | ||
| 153 | }; | ||
| 154 | const enum AVPixelFormat *pixel_fmts; | ||
| 155 | |||
| 156 |
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2 | if (s->alpha) { |
| 157 | ✗ | if (s->black_fade) | |
| 158 | ✗ | pixel_fmts = pix_fmts_alpha; | |
| 159 | else | ||
| 160 | ✗ | pixel_fmts = pix_fmts_rgba; | |
| 161 | } else { | ||
| 162 |
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2 | if (s->black_fade) |
| 163 | 2 | pixel_fmts = pix_fmts; | |
| 164 | else | ||
| 165 | ✗ | pixel_fmts = pix_fmts_rgb; | |
| 166 | } | ||
| 167 | 2 | return ff_set_common_formats_from_list2(ctx, cfg_in, cfg_out, pixel_fmts); | |
| 168 | } | ||
| 169 | |||
| 170 | const static enum AVPixelFormat studio_level_pix_fmts[] = { | ||
| 171 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, | ||
| 172 | AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, | ||
| 173 | AV_PIX_FMT_YUV440P, | ||
| 174 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 175 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
| 176 | AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12, | ||
| 177 | AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, | ||
| 178 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 179 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, | ||
| 180 | AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, | ||
| 181 | AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, | ||
| 182 | AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, | ||
| 183 | AV_PIX_FMT_NONE | ||
| 184 | }; | ||
| 185 | |||
| 186 | ✗ | static av_always_inline void filter_rgb(FadeContext *s, const AVFrame *frame, | |
| 187 | int slice_start, int slice_end, | ||
| 188 | int do_alpha, int step) | ||
| 189 | { | ||
| 190 | int i, j; | ||
| 191 | ✗ | const uint8_t r_idx = s->rgba_map[R]; | |
| 192 | ✗ | const uint8_t g_idx = s->rgba_map[G]; | |
| 193 | ✗ | const uint8_t b_idx = s->rgba_map[B]; | |
| 194 | ✗ | const uint8_t a_idx = s->rgba_map[A]; | |
| 195 | ✗ | const uint8_t *c = s->color_rgba; | |
| 196 | |||
| 197 | ✗ | for (i = slice_start; i < slice_end; i++) { | |
| 198 | ✗ | uint8_t *p = frame->data[0] + i * frame->linesize[0]; | |
| 199 | ✗ | for (j = 0; j < frame->width; j++) { | |
| 200 | #define INTERP(c_name, c_idx) av_clip_uint8(((c[c_idx]<<16) + ((int)p[c_name] - (int)c[c_idx]) * s->factor + (1<<15)) >> 16) | ||
| 201 | ✗ | p[r_idx] = INTERP(r_idx, 0); | |
| 202 | ✗ | p[g_idx] = INTERP(g_idx, 1); | |
| 203 | ✗ | p[b_idx] = INTERP(b_idx, 2); | |
| 204 | ✗ | if (do_alpha) | |
| 205 | ✗ | p[a_idx] = INTERP(a_idx, 3); | |
| 206 | ✗ | p += step; | |
| 207 | } | ||
| 208 | } | ||
| 209 | ✗ | } | |
| 210 | |||
| 211 | ✗ | static av_always_inline void filter_rgb_planar(FadeContext *s, const AVFrame *frame, | |
| 212 | int slice_start, int slice_end, | ||
| 213 | int do_alpha) | ||
| 214 | { | ||
| 215 | int i, j; | ||
| 216 | ✗ | const uint8_t *c = s->color_rgba; | |
| 217 | |||
| 218 | ✗ | for (i = slice_start; i < slice_end; i++) { | |
| 219 | ✗ | uint8_t *pg = frame->data[0] + i * frame->linesize[0]; | |
| 220 | ✗ | uint8_t *pb = frame->data[1] + i * frame->linesize[1]; | |
| 221 | ✗ | uint8_t *pr = frame->data[2] + i * frame->linesize[2]; | |
| 222 | ✗ | uint8_t *pa = frame->data[3] + i * frame->linesize[3]; | |
| 223 | ✗ | for (j = 0; j < frame->width; j++) { | |
| 224 | #define INTERPP(c_name, c_idx) av_clip_uint8(((c[c_idx]<<16) + ((int)c_name - (int)c[c_idx]) * s->factor + (1<<15)) >> 16) | ||
| 225 | ✗ | pr[j] = INTERPP(pr[j], 0); | |
| 226 | ✗ | pg[j] = INTERPP(pg[j], 1); | |
| 227 | ✗ | pb[j] = INTERPP(pb[j], 2); | |
| 228 | ✗ | if (do_alpha) | |
| 229 | ✗ | pa[j] = INTERPP(pa[j], 3); | |
| 230 | } | ||
| 231 | } | ||
| 232 | ✗ | } | |
| 233 | |||
| 234 | ✗ | static int filter_slice_rgb(AVFilterContext *ctx, void *arg, int jobnr, | |
| 235 | int nb_jobs) | ||
| 236 | { | ||
| 237 | ✗ | FadeContext *s = ctx->priv; | |
| 238 | ✗ | AVFrame *frame = arg; | |
| 239 | ✗ | int slice_start = (frame->height * jobnr ) / nb_jobs; | |
| 240 | ✗ | int slice_end = (frame->height * (jobnr+1)) / nb_jobs; | |
| 241 | |||
| 242 | ✗ | if (s->is_planar && s->alpha) | |
| 243 | ✗ | filter_rgb_planar(s, frame, slice_start, slice_end, 1); | |
| 244 | ✗ | else if (s->is_planar) | |
| 245 | ✗ | filter_rgb_planar(s, frame, slice_start, slice_end, 0); | |
| 246 | ✗ | else if (s->alpha) filter_rgb(s, frame, slice_start, slice_end, 1, 4); | |
| 247 | ✗ | else if (s->bpp == 3) filter_rgb(s, frame, slice_start, slice_end, 0, 3); | |
| 248 | ✗ | else if (s->bpp == 4) filter_rgb(s, frame, slice_start, slice_end, 0, 4); | |
| 249 | ✗ | else av_assert0(0); | |
| 250 | |||
| 251 | ✗ | return 0; | |
| 252 | } | ||
| 253 | |||
| 254 | 351 | static int filter_slice_luma(AVFilterContext *ctx, void *arg, int jobnr, | |
| 255 | int nb_jobs) | ||
| 256 | { | ||
| 257 | 351 | FadeContext *s = ctx->priv; | |
| 258 | 351 | AVFrame *frame = arg; | |
| 259 | 351 | int slice_start = (frame->height * jobnr ) / nb_jobs; | |
| 260 | 351 | int slice_end = (frame->height * (jobnr+1)) / nb_jobs; | |
| 261 | int i, j; | ||
| 262 | |||
| 263 |
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702 | for (int k = 0; k < 1 + 2 * (s->is_planar && s->is_rgb); k++) { |
| 264 |
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11583 | for (i = slice_start; i < slice_end; i++) { |
| 265 | 11232 | uint8_t *p = frame->data[k] + i * frame->linesize[k]; | |
| 266 |
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3964896 | for (j = 0; j < frame->width * s->bpp; j++) { |
| 267 | /* s->factor is using 16 lower-order bits for decimal | ||
| 268 | * places. 32768 = 1 << 15, it is an integer representation | ||
| 269 | * of 0.5 and is for rounding. */ | ||
| 270 | 3953664 | *p = ((*p - s->black_level) * s->factor + s->black_level_scaled) >> 16; | |
| 271 | 3953664 | p++; | |
| 272 | } | ||
| 273 | } | ||
| 274 | } | ||
| 275 | |||
| 276 | 351 | return 0; | |
| 277 | } | ||
| 278 | |||
| 279 | ✗ | static int filter_slice_luma16(AVFilterContext *ctx, void *arg, int jobnr, | |
| 280 | int nb_jobs) | ||
| 281 | { | ||
| 282 | ✗ | FadeContext *s = ctx->priv; | |
| 283 | ✗ | AVFrame *frame = arg; | |
| 284 | ✗ | int slice_start = (frame->height * jobnr ) / nb_jobs; | |
| 285 | ✗ | int slice_end = (frame->height * (jobnr+1)) / nb_jobs; | |
| 286 | int i, j; | ||
| 287 | |||
| 288 | ✗ | for (int k = 0; k < 1 + 2 * (s->is_planar && s->is_rgb); k++) { | |
| 289 | ✗ | for (i = slice_start; i < slice_end; i++) { | |
| 290 | ✗ | uint16_t *p = (uint16_t *)(frame->data[k] + i * frame->linesize[k]); | |
| 291 | ✗ | for (j = 0; j < frame->width * s->bpp; j++) { | |
| 292 | /* s->factor is using 16 lower-order bits for decimal | ||
| 293 | * places. 32768 = 1 << 15, it is an integer representation | ||
| 294 | * of 0.5 and is for rounding. */ | ||
| 295 | ✗ | *p = ((*p - s->black_level) * s->factor + s->black_level_scaled) >> 16; | |
| 296 | ✗ | p++; | |
| 297 | } | ||
| 298 | } | ||
| 299 | } | ||
| 300 | |||
| 301 | ✗ | return 0; | |
| 302 | } | ||
| 303 | |||
| 304 | 351 | static int filter_slice_chroma(AVFilterContext *ctx, void *arg, int jobnr, | |
| 305 | int nb_jobs) | ||
| 306 | { | ||
| 307 | 351 | FadeContext *s = ctx->priv; | |
| 308 | 351 | AVFrame *frame = arg; | |
| 309 | int i, j, plane; | ||
| 310 | 351 | const int width = AV_CEIL_RSHIFT(frame->width, s->hsub); | |
| 311 | 351 | const int height= AV_CEIL_RSHIFT(frame->height, s->vsub); | |
| 312 | 351 | int slice_start = (height * jobnr ) / nb_jobs; | |
| 313 | 351 | int slice_end = FFMIN(((height * (jobnr+1)) / nb_jobs), frame->height); | |
| 314 | |||
| 315 |
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1053 | for (plane = 1; plane < 3; plane++) { |
| 316 |
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11934 | for (i = slice_start; i < slice_end; i++) { |
| 317 | 11232 | uint8_t *p = frame->data[plane] + i * frame->linesize[plane]; | |
| 318 |
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1988064 | for (j = 0; j < width; j++) { |
| 319 | /* 8421367 = ((128 << 1) + 1) << 15. It is an integer | ||
| 320 | * representation of 128.5. The .5 is for rounding | ||
| 321 | * purposes. */ | ||
| 322 | 1976832 | *p = ((*p - 128) * s->factor + 8421367) >> 16; | |
| 323 | 1976832 | p++; | |
| 324 | } | ||
| 325 | } | ||
| 326 | } | ||
| 327 | |||
| 328 | 351 | return 0; | |
| 329 | } | ||
| 330 | |||
| 331 | ✗ | static int filter_slice_chroma16(AVFilterContext *ctx, void *arg, int jobnr, | |
| 332 | int nb_jobs) | ||
| 333 | { | ||
| 334 | ✗ | FadeContext *s = ctx->priv; | |
| 335 | ✗ | AVFrame *frame = arg; | |
| 336 | int i, j, plane; | ||
| 337 | ✗ | const int width = AV_CEIL_RSHIFT(frame->width, s->hsub); | |
| 338 | ✗ | const int height= AV_CEIL_RSHIFT(frame->height, s->vsub); | |
| 339 | ✗ | const int mid = 1 << (s->depth - 1); | |
| 340 | ✗ | const int add = ((mid << 1) + 1) << 15; | |
| 341 | ✗ | int slice_start = (height * jobnr ) / nb_jobs; | |
| 342 | ✗ | int slice_end = FFMIN(((height * (jobnr+1)) / nb_jobs), frame->height); | |
| 343 | |||
| 344 | ✗ | for (plane = 1; plane < 3; plane++) { | |
| 345 | ✗ | for (i = slice_start; i < slice_end; i++) { | |
| 346 | ✗ | uint16_t *p = (uint16_t *)(frame->data[plane] + i * frame->linesize[plane]); | |
| 347 | ✗ | for (j = 0; j < width; j++) { | |
| 348 | ✗ | *p = ((*p - mid) * s->factor + add) >> 16; | |
| 349 | ✗ | p++; | |
| 350 | } | ||
| 351 | } | ||
| 352 | } | ||
| 353 | |||
| 354 | ✗ | return 0; | |
| 355 | } | ||
| 356 | |||
| 357 | ✗ | static int filter_slice_alpha(AVFilterContext *ctx, void *arg, int jobnr, | |
| 358 | int nb_jobs) | ||
| 359 | { | ||
| 360 | ✗ | FadeContext *s = ctx->priv; | |
| 361 | ✗ | AVFrame *frame = arg; | |
| 362 | ✗ | int plane = s->is_packed_rgb ? 0 : A; | |
| 363 | ✗ | int slice_start = (frame->height * jobnr ) / nb_jobs; | |
| 364 | ✗ | int slice_end = (frame->height * (jobnr+1)) / nb_jobs; | |
| 365 | int i, j; | ||
| 366 | |||
| 367 | ✗ | for (i = slice_start; i < slice_end; i++) { | |
| 368 | ✗ | uint8_t *p = frame->data[plane] + i * frame->linesize[plane] + s->is_packed_rgb*s->rgba_map[A]; | |
| 369 | ✗ | int step = s->is_packed_rgb ? 4 : 1; | |
| 370 | ✗ | for (j = 0; j < frame->width; j++) { | |
| 371 | /* s->factor is using 16 lower-order bits for decimal | ||
| 372 | * places. 32768 = 1 << 15, it is an integer representation | ||
| 373 | * of 0.5 and is for rounding. */ | ||
| 374 | ✗ | *p = ((*p - s->black_level) * s->factor + s->black_level_scaled) >> 16; | |
| 375 | ✗ | p += step; | |
| 376 | } | ||
| 377 | } | ||
| 378 | |||
| 379 | ✗ | return 0; | |
| 380 | } | ||
| 381 | |||
| 382 | ✗ | static int filter_slice_alpha16(AVFilterContext *ctx, void *arg, int jobnr, | |
| 383 | int nb_jobs) | ||
| 384 | { | ||
| 385 | ✗ | FadeContext *s = ctx->priv; | |
| 386 | ✗ | AVFrame *frame = arg; | |
| 387 | ✗ | int plane = s->is_packed_rgb ? 0 : A; | |
| 388 | ✗ | int slice_start = (frame->height * jobnr ) / nb_jobs; | |
| 389 | ✗ | int slice_end = (frame->height * (jobnr+1)) / nb_jobs; | |
| 390 | int i, j; | ||
| 391 | |||
| 392 | ✗ | for (i = slice_start; i < slice_end; i++) { | |
| 393 | ✗ | uint16_t *p = (uint16_t *)(frame->data[plane] + i * frame->linesize[plane]) + s->is_packed_rgb*s->rgba_map[A]; | |
| 394 | ✗ | int step = s->is_packed_rgb ? 4 : 1; | |
| 395 | ✗ | for (j = 0; j < frame->width; j++) { | |
| 396 | /* s->factor is using 16 lower-order bits for decimal | ||
| 397 | * places. 32768 = 1 << 15, it is an integer representation | ||
| 398 | * of 0.5 and is for rounding. */ | ||
| 399 | ✗ | *p = ((*p - s->black_level) * s->factor + s->black_level_scaled) >> 16; | |
| 400 | ✗ | p += step; | |
| 401 | } | ||
| 402 | } | ||
| 403 | |||
| 404 | ✗ | return 0; | |
| 405 | } | ||
| 406 | |||
| 407 | 2 | static int config_input(AVFilterLink *inlink) | |
| 408 | { | ||
| 409 | 2 | FadeContext *s = inlink->dst->priv; | |
| 410 | 2 | const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(inlink->format); | |
| 411 | |||
| 412 | 2 | s->hsub = pixdesc->log2_chroma_w; | |
| 413 | 2 | s->vsub = pixdesc->log2_chroma_h; | |
| 414 | |||
| 415 | 2 | ff_fill_rgba_map(s->rgba_map, inlink->format); | |
| 416 | |||
| 417 | 2 | s->depth = pixdesc->comp[0].depth; | |
| 418 | 4 | s->bpp = pixdesc->flags & AV_PIX_FMT_FLAG_PLANAR ? | |
| 419 |
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2 | 1 : |
| 420 | ✗ | av_get_bits_per_pixel(pixdesc) >> 3; | |
| 421 | 2 | s->alpha &= !!(pixdesc->flags & AV_PIX_FMT_FLAG_ALPHA); | |
| 422 | 2 | s->is_planar = pixdesc->flags & AV_PIX_FMT_FLAG_PLANAR; | |
| 423 | 2 | s->is_rgb = pixdesc->flags & AV_PIX_FMT_FLAG_RGB; | |
| 424 |
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2 | s->is_packed_rgb = !s->is_planar && s->is_rgb; |
| 425 | |||
| 426 |
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2 | if (s->duration) |
| 427 | ✗ | s->duration_pts = av_rescale_q(s->duration, AV_TIME_BASE_Q, inlink->time_base); | |
| 428 |
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2 | if (s->start_time) |
| 429 | ✗ | s->start_time_pts = av_rescale_q(s->start_time, AV_TIME_BASE_Q, inlink->time_base); | |
| 430 | |||
| 431 | /* use CCIR601/709 black level for studio-level pixel non-alpha components */ | ||
| 432 | 2 | s->black_level = | |
| 433 |
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2 | ff_fmt_is_in(inlink->format, studio_level_pix_fmts) && !s->alpha ? 16 * (1 << (s->depth - 8)): 0; |
| 434 | /* 32768 = 1 << 15, it is an integer representation | ||
| 435 | * of 0.5 and is for rounding. */ | ||
| 436 | 2 | s->black_level_scaled = (s->black_level << 16) + 32768; | |
| 437 | |||
| 438 |
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2 | s->filter_slice_luma = s->depth <= 8 ? filter_slice_luma : filter_slice_luma16; |
| 439 |
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2 | s->filter_slice_chroma = s->depth <= 8 ? filter_slice_chroma : filter_slice_chroma16; |
| 440 |
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2 | s->filter_slice_alpha = s->depth <= 8 ? filter_slice_alpha : filter_slice_alpha16; |
| 441 | |||
| 442 | 2 | return 0; | |
| 443 | } | ||
| 444 | |||
| 445 | 100 | static int filter_frame(AVFilterLink *inlink, AVFrame *frame) | |
| 446 | { | ||
| 447 | 100 | FilterLink *inl = ff_filter_link(inlink); | |
| 448 | 100 | AVFilterContext *ctx = inlink->dst; | |
| 449 | 100 | FadeContext *s = ctx->priv; | |
| 450 | |||
| 451 | // Calculate Fade assuming this is a Fade In | ||
| 452 |
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100 | if (s->fade_state == VF_FADE_WAITING) { |
| 453 | 37 | s->factor=0; | |
| 454 |
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37 | if (frame->pts >= s->start_time_pts |
| 455 |
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37 | && inl->frame_count_out >= s->start_frame) { |
| 456 | // Time to start fading | ||
| 457 | 2 | s->fade_state = VF_FADE_FADING; | |
| 458 | |||
| 459 | // Save start time in case we are starting based on frames and fading based on time | ||
| 460 |
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2 | if (s->start_time_pts == 0 && s->start_frame != 0) { |
| 461 | 2 | s->start_time_pts = frame->pts; | |
| 462 | } | ||
| 463 | |||
| 464 | // Save start frame in case we are starting based on time and fading based on frames | ||
| 465 |
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2 | if (s->start_time_pts != 0 && s->start_frame == 0) { |
| 466 | ✗ | s->start_frame = inl->frame_count_out; | |
| 467 | } | ||
| 468 | } | ||
| 469 | } | ||
| 470 |
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100 | if (s->fade_state == VF_FADE_FADING) { |
| 471 |
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34 | if (s->duration_pts == 0) { |
| 472 | // Fading based on frame count | ||
| 473 | 34 | s->factor = (inl->frame_count_out - s->start_frame) * s->fade_per_frame; | |
| 474 |
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34 | if (inl->frame_count_out > s->start_frame + s->nb_frames) { |
| 475 | 2 | s->fade_state = VF_FADE_DONE; | |
| 476 | } | ||
| 477 | |||
| 478 | } else { | ||
| 479 | // Fading based on duration | ||
| 480 | ✗ | s->factor = (frame->pts - s->start_time_pts) * UINT16_MAX / s->duration_pts; | |
| 481 | ✗ | if (frame->pts > s->start_time_pts + s->duration_pts) { | |
| 482 | ✗ | s->fade_state = VF_FADE_DONE; | |
| 483 | } | ||
| 484 | } | ||
| 485 | } | ||
| 486 |
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100 | if (s->fade_state == VF_FADE_DONE) { |
| 487 | 33 | s->factor=UINT16_MAX; | |
| 488 | } | ||
| 489 | |||
| 490 | 100 | s->factor = av_clip_uint16(s->factor); | |
| 491 | |||
| 492 | // Invert fade_factor if Fading Out | ||
| 493 |
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100 | if (s->type == FADE_OUT) { |
| 494 | 50 | s->factor=UINT16_MAX-s->factor; | |
| 495 | } | ||
| 496 | |||
| 497 |
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100 | if (s->factor < UINT16_MAX) { |
| 498 |
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39 | if (s->alpha) { |
| 499 | ✗ | ff_filter_execute(ctx, s->filter_slice_alpha, frame, NULL, | |
| 500 | ✗ | FFMIN(frame->height, ff_filter_get_nb_threads(ctx))); | |
| 501 |
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39 | } else if (s->is_rgb && !s->black_fade) { |
| 502 | ✗ | ff_filter_execute(ctx, filter_slice_rgb, frame, NULL, | |
| 503 | ✗ | FFMIN(frame->height, ff_filter_get_nb_threads(ctx))); | |
| 504 | } else { | ||
| 505 | /* luma, or rgb plane in case of black */ | ||
| 506 | 39 | ff_filter_execute(ctx, s->filter_slice_luma, frame, NULL, | |
| 507 |
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39 | FFMIN(frame->height, ff_filter_get_nb_threads(ctx))); |
| 508 | |||
| 509 |
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39 | if (frame->data[1] && frame->data[2] && !s->is_rgb) { |
| 510 | /* chroma planes */ | ||
| 511 | 39 | ff_filter_execute(ctx, s->filter_slice_chroma, frame, NULL, | |
| 512 |
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39 | FFMIN(frame->height, ff_filter_get_nb_threads(ctx))); |
| 513 | } | ||
| 514 | } | ||
| 515 | } | ||
| 516 | |||
| 517 | 100 | return ff_filter_frame(inlink->dst->outputs[0], frame); | |
| 518 | } | ||
| 519 | |||
| 520 | |||
| 521 | #define OFFSET(x) offsetof(FadeContext, x) | ||
| 522 | #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM | ||
| 523 | |||
| 524 | static const AVOption fade_options[] = { | ||
| 525 | { "type", "set the fade direction", OFFSET(type), AV_OPT_TYPE_INT, { .i64 = FADE_IN }, FADE_IN, FADE_OUT, FLAGS, .unit = "type" }, | ||
| 526 | { "t", "set the fade direction", OFFSET(type), AV_OPT_TYPE_INT, { .i64 = FADE_IN }, FADE_IN, FADE_OUT, FLAGS, .unit = "type" }, | ||
| 527 | { "in", "fade-in", 0, AV_OPT_TYPE_CONST, { .i64 = FADE_IN }, .flags = FLAGS, .unit = "type" }, | ||
| 528 | { "out", "fade-out", 0, AV_OPT_TYPE_CONST, { .i64 = FADE_OUT }, .flags = FLAGS, .unit = "type" }, | ||
| 529 | { "start_frame", "Number of the first frame to which to apply the effect.", | ||
| 530 | OFFSET(start_frame), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS }, | ||
| 531 | { "s", "Number of the first frame to which to apply the effect.", | ||
| 532 | OFFSET(start_frame), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS }, | ||
| 533 | { "nb_frames", "Number of frames to which the effect should be applied.", | ||
| 534 | OFFSET(nb_frames), AV_OPT_TYPE_INT, { .i64 = 25 }, 1, INT_MAX, FLAGS }, | ||
| 535 | { "n", "Number of frames to which the effect should be applied.", | ||
| 536 | OFFSET(nb_frames), AV_OPT_TYPE_INT, { .i64 = 25 }, 1, INT_MAX, FLAGS }, | ||
| 537 | { "alpha", "fade alpha if it is available on the input", OFFSET(alpha), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FLAGS }, | ||
| 538 | { "start_time", "Number of seconds of the beginning of the effect.", | ||
| 539 | OFFSET(start_time), AV_OPT_TYPE_DURATION, {.i64 = 0. }, 0, INT64_MAX, FLAGS }, | ||
| 540 | { "st", "Number of seconds of the beginning of the effect.", | ||
| 541 | OFFSET(start_time), AV_OPT_TYPE_DURATION, {.i64 = 0. }, 0, INT64_MAX, FLAGS }, | ||
| 542 | { "duration", "Duration of the effect in seconds.", | ||
| 543 | OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = 0. }, 0, INT64_MAX, FLAGS }, | ||
| 544 | { "d", "Duration of the effect in seconds.", | ||
| 545 | OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = 0. }, 0, INT64_MAX, FLAGS }, | ||
| 546 | { "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGS }, | ||
| 547 | { "c", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGS }, | ||
| 548 | { NULL } | ||
| 549 | }; | ||
| 550 | |||
| 551 | AVFILTER_DEFINE_CLASS(fade); | ||
| 552 | |||
| 553 | static const AVFilterPad avfilter_vf_fade_inputs[] = { | ||
| 554 | { | ||
| 555 | .name = "default", | ||
| 556 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 557 | .flags = AVFILTERPAD_FLAG_NEEDS_WRITABLE, | ||
| 558 | .config_props = config_input, | ||
| 559 | .filter_frame = filter_frame, | ||
| 560 | }, | ||
| 561 | }; | ||
| 562 | |||
| 563 | const AVFilter ff_vf_fade = { | ||
| 564 | .name = "fade", | ||
| 565 | .description = NULL_IF_CONFIG_SMALL("Fade in/out input video."), | ||
| 566 | .init = init, | ||
| 567 | .priv_size = sizeof(FadeContext), | ||
| 568 | .priv_class = &fade_class, | ||
| 569 | FILTER_INPUTS(avfilter_vf_fade_inputs), | ||
| 570 | FILTER_OUTPUTS(ff_video_default_filterpad), | ||
| 571 | FILTER_QUERY_FUNC2(query_formats), | ||
| 572 | .flags = AVFILTER_FLAG_SLICE_THREADS | | ||
| 573 | AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, | ||
| 574 | }; | ||
| 575 |