| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2016 Paul B Mahol | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | /** | ||
| 22 | * @file | ||
| 23 | * threshold video filter | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include "libavutil/imgutils.h" | ||
| 27 | #include "libavutil/internal.h" | ||
| 28 | #include "libavutil/opt.h" | ||
| 29 | #include "libavutil/pixdesc.h" | ||
| 30 | #include "avfilter.h" | ||
| 31 | #include "filters.h" | ||
| 32 | #include "framesync.h" | ||
| 33 | #include "video.h" | ||
| 34 | #include "threshold.h" | ||
| 35 | #include "vf_threshold_init.h" | ||
| 36 | |||
| 37 | #define OFFSET(x) offsetof(ThresholdContext, x) | ||
| 38 | #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM | ||
| 39 | |||
| 40 | static const AVOption threshold_options[] = { | ||
| 41 | { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, FLAGS}, | ||
| 42 | { NULL } | ||
| 43 | }; | ||
| 44 | |||
| 45 | AVFILTER_DEFINE_CLASS(threshold); | ||
| 46 | |||
| 47 | static const enum AVPixelFormat pix_fmts[] = { | ||
| 48 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, | ||
| 49 | AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, | ||
| 50 | AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, | ||
| 51 | AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, | ||
| 52 | AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, | ||
| 53 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 54 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV444P10, | ||
| 55 | AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV440P12, AV_PIX_FMT_YUV444P12, | ||
| 56 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 57 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, | ||
| 58 | AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, | ||
| 59 | AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, | ||
| 60 | AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, | ||
| 61 | AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, | ||
| 62 | AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, | ||
| 63 | AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12 , AV_PIX_FMT_GBRAP16, | ||
| 64 | AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, | ||
| 65 | AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, | ||
| 66 | AV_PIX_FMT_NONE | ||
| 67 | }; | ||
| 68 | |||
| 69 | typedef struct ThreadData { | ||
| 70 | AVFrame *in; | ||
| 71 | AVFrame *threshold; | ||
| 72 | AVFrame *min; | ||
| 73 | AVFrame *max; | ||
| 74 | AVFrame *out; | ||
| 75 | } ThreadData; | ||
| 76 | |||
| 77 | ✗ | static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 78 | { | ||
| 79 | ✗ | ThresholdContext *s = ctx->priv; | |
| 80 | ✗ | ThreadData *td = arg; | |
| 81 | ✗ | AVFrame *min = td->min; | |
| 82 | ✗ | AVFrame *max = td->max; | |
| 83 | ✗ | AVFrame *threshold = td->threshold; | |
| 84 | ✗ | AVFrame *in = td->in; | |
| 85 | ✗ | AVFrame *out = td->out; | |
| 86 | |||
| 87 | ✗ | for (int p = 0; p < s->nb_planes; p++) { | |
| 88 | ✗ | const int h = s->height[p]; | |
| 89 | ✗ | const int slice_start = ff_slice_pos(h, jobnr, nb_jobs); | |
| 90 | ✗ | const int slice_end = ff_slice_pos(h, jobnr + 1, nb_jobs); | |
| 91 | |||
| 92 | ✗ | if (!(s->planes & (1 << p))) { | |
| 93 | ✗ | av_image_copy_plane(out->data[p] + slice_start * out->linesize[p], | |
| 94 | out->linesize[p], | ||
| 95 | ✗ | in->data[p] + slice_start * in->linesize[p], | |
| 96 | in->linesize[p], | ||
| 97 | ✗ | s->width[p] * s->bpc, | |
| 98 | slice_end - slice_start); | ||
| 99 | ✗ | continue; | |
| 100 | } | ||
| 101 | ✗ | s->threshold(in->data[p] + slice_start * in->linesize[p], | |
| 102 | ✗ | threshold->data[p] + slice_start * threshold->linesize[p], | |
| 103 | ✗ | min->data[p] + slice_start * min->linesize[p], | |
| 104 | ✗ | max->data[p] + slice_start * max->linesize[p], | |
| 105 | ✗ | out->data[p] + slice_start * out->linesize[p], | |
| 106 | ✗ | in->linesize[p], threshold->linesize[p], | |
| 107 | ✗ | min->linesize[p], max->linesize[p], | |
| 108 | ✗ | out->linesize[p], | |
| 109 | s->width[p], slice_end - slice_start); | ||
| 110 | } | ||
| 111 | |||
| 112 | ✗ | return 0; | |
| 113 | } | ||
| 114 | |||
| 115 | ✗ | static int process_frame(FFFrameSync *fs) | |
| 116 | { | ||
| 117 | ✗ | AVFilterContext *ctx = fs->parent; | |
| 118 | ✗ | ThresholdContext *s = fs->opaque; | |
| 119 | ✗ | AVFilterLink *outlink = ctx->outputs[0]; | |
| 120 | AVFrame *out, *in, *threshold, *min, *max; | ||
| 121 | ThreadData td; | ||
| 122 | int ret; | ||
| 123 | |||
| 124 | ✗ | if ((ret = ff_framesync_get_frame(&s->fs, 0, &in, 0)) < 0 || | |
| 125 | ✗ | (ret = ff_framesync_get_frame(&s->fs, 1, &threshold, 0)) < 0 || | |
| 126 | ✗ | (ret = ff_framesync_get_frame(&s->fs, 2, &min, 0)) < 0 || | |
| 127 | ✗ | (ret = ff_framesync_get_frame(&s->fs, 3, &max, 0)) < 0) | |
| 128 | ✗ | return ret; | |
| 129 | |||
| 130 | ✗ | if (ctx->is_disabled) { | |
| 131 | ✗ | out = av_frame_clone(in); | |
| 132 | ✗ | if (!out) | |
| 133 | ✗ | return AVERROR(ENOMEM); | |
| 134 | } else { | ||
| 135 | ✗ | out = ff_get_video_buffer(outlink, outlink->w, outlink->h); | |
| 136 | ✗ | if (!out) | |
| 137 | ✗ | return AVERROR(ENOMEM); | |
| 138 | ✗ | av_frame_copy_props(out, in); | |
| 139 | |||
| 140 | ✗ | td.out = out; | |
| 141 | ✗ | td.in = in; | |
| 142 | ✗ | td.threshold = threshold; | |
| 143 | ✗ | td.min = min; | |
| 144 | ✗ | td.max = max; | |
| 145 | ✗ | ff_filter_execute(ctx, filter_slice, &td, NULL, | |
| 146 | ✗ | FFMIN(s->height[2], ff_filter_get_nb_threads(ctx))); | |
| 147 | } | ||
| 148 | |||
| 149 | ✗ | out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base); | |
| 150 | |||
| 151 | ✗ | return ff_filter_frame(outlink, out); | |
| 152 | } | ||
| 153 | |||
| 154 | ✗ | static int config_input(AVFilterLink *inlink) | |
| 155 | { | ||
| 156 | ✗ | AVFilterContext *ctx = inlink->dst; | |
| 157 | ✗ | ThresholdContext *s = ctx->priv; | |
| 158 | ✗ | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); | |
| 159 | int vsub, hsub; | ||
| 160 | |||
| 161 | ✗ | s->nb_planes = av_pix_fmt_count_planes(inlink->format); | |
| 162 | |||
| 163 | ✗ | hsub = desc->log2_chroma_w; | |
| 164 | ✗ | vsub = desc->log2_chroma_h; | |
| 165 | ✗ | s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub); | |
| 166 | ✗ | s->height[0] = s->height[3] = inlink->h; | |
| 167 | ✗ | s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub); | |
| 168 | ✗ | s->width[0] = s->width[3] = inlink->w; | |
| 169 | ✗ | s->depth = desc->comp[0].depth; | |
| 170 | |||
| 171 | ✗ | ff_threshold_init(s); | |
| 172 | |||
| 173 | ✗ | return 0; | |
| 174 | } | ||
| 175 | |||
| 176 | ✗ | static int config_output(AVFilterLink *outlink) | |
| 177 | { | ||
| 178 | ✗ | AVFilterContext *ctx = outlink->src; | |
| 179 | ✗ | ThresholdContext *s = ctx->priv; | |
| 180 | ✗ | AVFilterLink *base = ctx->inputs[0]; | |
| 181 | ✗ | AVFilterLink *threshold = ctx->inputs[1]; | |
| 182 | ✗ | AVFilterLink *min = ctx->inputs[2]; | |
| 183 | ✗ | AVFilterLink *max = ctx->inputs[3]; | |
| 184 | ✗ | FilterLink *il = ff_filter_link(base); | |
| 185 | ✗ | FilterLink *ol = ff_filter_link(outlink); | |
| 186 | FFFrameSyncIn *in; | ||
| 187 | int ret; | ||
| 188 | |||
| 189 | ✗ | if (base->w != threshold->w || | |
| 190 | ✗ | base->h != threshold->h || | |
| 191 | ✗ | base->w != min->w || | |
| 192 | ✗ | base->h != min->h || | |
| 193 | ✗ | base->w != max->w || | |
| 194 | ✗ | base->h != max->h) { | |
| 195 | ✗ | av_log(ctx, AV_LOG_ERROR, "First input link %s parameters " | |
| 196 | "(size %dx%d) do not match the corresponding " | ||
| 197 | "second input link %s parameters (%dx%d) " | ||
| 198 | "and/or third input link %s parameters (%dx%d) " | ||
| 199 | "and/or fourth input link %s parameters (%dx%d)\n", | ||
| 200 | ✗ | ctx->input_pads[0].name, base->w, base->h, | |
| 201 | ✗ | ctx->input_pads[1].name, threshold->w, threshold->h, | |
| 202 | ✗ | ctx->input_pads[2].name, min->w, min->h, | |
| 203 | ✗ | ctx->input_pads[3].name, max->w, max->h); | |
| 204 | ✗ | return AVERROR(EINVAL); | |
| 205 | } | ||
| 206 | |||
| 207 | ✗ | outlink->w = base->w; | |
| 208 | ✗ | outlink->h = base->h; | |
| 209 | ✗ | outlink->sample_aspect_ratio = base->sample_aspect_ratio; | |
| 210 | ✗ | ol->frame_rate = il->frame_rate; | |
| 211 | |||
| 212 | ✗ | if ((ret = ff_framesync_init(&s->fs, ctx, 4)) < 0) | |
| 213 | ✗ | return ret; | |
| 214 | |||
| 215 | ✗ | in = s->fs.in; | |
| 216 | ✗ | in[0].time_base = base->time_base; | |
| 217 | ✗ | in[1].time_base = threshold->time_base; | |
| 218 | ✗ | in[2].time_base = min->time_base; | |
| 219 | ✗ | in[3].time_base = max->time_base; | |
| 220 | ✗ | in[0].sync = 1; | |
| 221 | ✗ | in[0].before = EXT_STOP; | |
| 222 | ✗ | in[0].after = EXT_STOP; | |
| 223 | ✗ | in[1].sync = 1; | |
| 224 | ✗ | in[1].before = EXT_STOP; | |
| 225 | ✗ | in[1].after = EXT_STOP; | |
| 226 | ✗ | in[2].sync = 1; | |
| 227 | ✗ | in[2].before = EXT_STOP; | |
| 228 | ✗ | in[2].after = EXT_STOP; | |
| 229 | ✗ | in[3].sync = 1; | |
| 230 | ✗ | in[3].before = EXT_STOP; | |
| 231 | ✗ | in[3].after = EXT_STOP; | |
| 232 | ✗ | s->fs.opaque = s; | |
| 233 | ✗ | s->fs.on_event = process_frame; | |
| 234 | |||
| 235 | ✗ | ret = ff_framesync_configure(&s->fs); | |
| 236 | ✗ | outlink->time_base = s->fs.time_base; | |
| 237 | |||
| 238 | ✗ | return ret; | |
| 239 | } | ||
| 240 | |||
| 241 | ✗ | static int activate(AVFilterContext *ctx) | |
| 242 | { | ||
| 243 | ✗ | ThresholdContext *s = ctx->priv; | |
| 244 | ✗ | return ff_framesync_activate(&s->fs); | |
| 245 | } | ||
| 246 | |||
| 247 | ✗ | static av_cold void uninit(AVFilterContext *ctx) | |
| 248 | { | ||
| 249 | ✗ | ThresholdContext *s = ctx->priv; | |
| 250 | |||
| 251 | ✗ | ff_framesync_uninit(&s->fs); | |
| 252 | ✗ | } | |
| 253 | |||
| 254 | static const AVFilterPad inputs[] = { | ||
| 255 | { | ||
| 256 | .name = "default", | ||
| 257 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 258 | .config_props = config_input, | ||
| 259 | }, | ||
| 260 | { | ||
| 261 | .name = "threshold", | ||
| 262 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 263 | }, | ||
| 264 | { | ||
| 265 | .name = "min", | ||
| 266 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 267 | }, | ||
| 268 | { | ||
| 269 | .name = "max", | ||
| 270 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 271 | }, | ||
| 272 | }; | ||
| 273 | |||
| 274 | static const AVFilterPad outputs[] = { | ||
| 275 | { | ||
| 276 | .name = "default", | ||
| 277 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 278 | .config_props = config_output, | ||
| 279 | }, | ||
| 280 | }; | ||
| 281 | |||
| 282 | const FFFilter ff_vf_threshold = { | ||
| 283 | .p.name = "threshold", | ||
| 284 | .p.description = NULL_IF_CONFIG_SMALL("Threshold first video stream using other video streams."), | ||
| 285 | .p.priv_class = &threshold_class, | ||
| 286 | .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, | ||
| 287 | .priv_size = sizeof(ThresholdContext), | ||
| 288 | .uninit = uninit, | ||
| 289 | .activate = activate, | ||
| 290 | FILTER_INPUTS(inputs), | ||
| 291 | FILTER_OUTPUTS(outputs), | ||
| 292 | FILTER_PIXFMTS_ARRAY(pix_fmts), | ||
| 293 | .process_command = ff_filter_process_command, | ||
| 294 | }; | ||
| 295 |