2 * Copyright (c) 2017 Paul B Mahol
4 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavutil/colorspace.h"
22 #include "libavutil/common.h"
23 #include "libavutil/opt.h"
24 #include "libavutil/pixdesc.h"
26 #include "drawutils.h"
34 enum FillMode { FM_SMEAR, FM_MIRROR, FM_FIXED, FM_NB_MODES };
36 typedef struct Borders {
37 int left, right, top, bottom;
40 typedef struct FillBordersContext {
42 int left, right, top, bottom;
52 uint8_t rgba_color[4];
54 void (*fillborders)(struct FillBordersContext *s, AVFrame *frame);
57 static int query_formats(AVFilterContext *ctx)
59 static const enum AVPixelFormat pix_fmts[] = {
60 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
61 AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
62 AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
63 AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
64 AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
65 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
66 AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
67 AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
68 AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
69 AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
70 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
71 AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
72 AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
73 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
74 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
75 AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
76 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY16,
79 AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
81 return AVERROR(ENOMEM);
82 return ff_set_common_formats(ctx, fmts_list);
85 static void smear_borders8(FillBordersContext *s, AVFrame *frame)
89 for (p = 0; p < s->nb_planes; p++) {
90 uint8_t *ptr = frame->data[p];
91 int linesize = frame->linesize[p];
93 for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
94 memset(ptr + y * linesize,
95 *(ptr + y * linesize + s->borders[p].left),
97 memset(ptr + y * linesize + s->planewidth[p] - s->borders[p].right,
98 *(ptr + y * linesize + s->planewidth[p] - s->borders[p].right - 1),
102 for (y = 0; y < s->borders[p].top; y++) {
103 memcpy(ptr + y * linesize,
104 ptr + s->borders[p].top * linesize, s->planewidth[p]);
107 for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
108 memcpy(ptr + y * linesize,
109 ptr + (s->planeheight[p] - s->borders[p].bottom - 1) * linesize,
115 static void smear_borders16(FillBordersContext *s, AVFrame *frame)
119 for (p = 0; p < s->nb_planes; p++) {
120 uint16_t *ptr = (uint16_t *)frame->data[p];
121 int linesize = frame->linesize[p] / 2;
123 for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
124 for (x = 0; x < s->borders[p].left; x++) {
125 ptr[y * linesize + x] = *(ptr + y * linesize + s->borders[p].left);
128 for (x = 0; x < s->borders[p].right; x++) {
129 ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
130 *(ptr + y * linesize + s->planewidth[p] - s->borders[p].right - 1);
134 for (y = 0; y < s->borders[p].top; y++) {
135 memcpy(ptr + y * linesize,
136 ptr + s->borders[p].top * linesize, s->planewidth[p] * 2);
139 for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
140 memcpy(ptr + y * linesize,
141 ptr + (s->planeheight[p] - s->borders[p].bottom - 1) * linesize,
142 s->planewidth[p] * 2);
147 static void mirror_borders8(FillBordersContext *s, AVFrame *frame)
151 for (p = 0; p < s->nb_planes; p++) {
152 uint8_t *ptr = frame->data[p];
153 int linesize = frame->linesize[p];
155 for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
156 for (x = 0; x < s->borders[p].left; x++) {
157 ptr[y * linesize + x] = ptr[y * linesize + s->borders[p].left * 2 - 1 - x];
160 for (x = 0; x < s->borders[p].right; x++) {
161 ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
162 ptr[y * linesize + s->planewidth[p] - s->borders[p].right - 1 - x];
166 for (y = 0; y < s->borders[p].top; y++) {
167 memcpy(ptr + y * linesize,
168 ptr + (s->borders[p].top * 2 - 1 - y) * linesize,
172 for (y = 0; y < s->borders[p].bottom; y++) {
173 memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
174 ptr + (s->planeheight[p] - s->borders[p].bottom - 1 - y) * linesize,
180 static void mirror_borders16(FillBordersContext *s, AVFrame *frame)
184 for (p = 0; p < s->nb_planes; p++) {
185 uint16_t *ptr = (uint16_t *)frame->data[p];
186 int linesize = frame->linesize[p] / 2;
188 for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
189 for (x = 0; x < s->borders[p].left; x++) {
190 ptr[y * linesize + x] = ptr[y * linesize + s->borders[p].left * 2 - 1 - x];
193 for (x = 0; x < s->borders[p].right; x++) {
194 ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] =
195 ptr[y * linesize + s->planewidth[p] - s->borders[p].right - 1 - x];
199 for (y = 0; y < s->borders[p].top; y++) {
200 memcpy(ptr + y * linesize,
201 ptr + (s->borders[p].top * 2 - 1 - y) * linesize,
202 s->planewidth[p] * 2);
205 for (y = 0; y < s->borders[p].bottom; y++) {
206 memcpy(ptr + (s->planeheight[p] - s->borders[p].bottom + y) * linesize,
207 ptr + (s->planeheight[p] - s->borders[p].bottom - 1 - y) * linesize,
208 s->planewidth[p] * 2);
213 static void fixed_borders8(FillBordersContext *s, AVFrame *frame)
217 for (p = 0; p < s->nb_planes; p++) {
218 uint8_t *ptr = frame->data[p];
219 uint8_t fill = s->fill[p];
220 int linesize = frame->linesize[p];
222 for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
223 memset(ptr + y * linesize, fill, s->borders[p].left);
224 memset(ptr + y * linesize + s->planewidth[p] - s->borders[p].right, fill,
225 s->borders[p].right);
228 for (y = 0; y < s->borders[p].top; y++) {
229 memset(ptr + y * linesize, fill, s->planewidth[p]);
232 for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
233 memset(ptr + y * linesize, fill, s->planewidth[p]);
238 static void fixed_borders16(FillBordersContext *s, AVFrame *frame)
242 for (p = 0; p < s->nb_planes; p++) {
243 uint16_t *ptr = (uint16_t *)frame->data[p];
244 uint16_t fill = s->fill[p] << (s->depth - 8);
245 int linesize = frame->linesize[p] / 2;
247 for (y = s->borders[p].top; y < s->planeheight[p] - s->borders[p].bottom; y++) {
248 for (x = 0; x < s->borders[p].left; x++) {
249 ptr[y * linesize + x] = fill;
252 for (x = 0; x < s->borders[p].right; x++) {
253 ptr[y * linesize + s->planewidth[p] - s->borders[p].right + x] = fill;
257 for (y = 0; y < s->borders[p].top; y++) {
258 for (x = 0; x < s->planewidth[p]; x++) {
259 ptr[y * linesize + x] = fill;
263 for (y = s->planeheight[p] - s->borders[p].bottom; y < s->planeheight[p]; y++) {
264 for (x = 0; x < s->planewidth[p]; x++) {
265 ptr[y * linesize + x] = fill;
271 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
273 FillBordersContext *s = inlink->dst->priv;
275 s->fillborders(s, frame);
277 return ff_filter_frame(inlink->dst->outputs[0], frame);
280 static int config_input(AVFilterLink *inlink)
282 AVFilterContext *ctx = inlink->dst;
283 FillBordersContext *s = ctx->priv;
284 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
286 s->nb_planes = desc->nb_components;
287 s->depth = desc->comp[0].depth;
289 s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
290 s->planeheight[0] = s->planeheight[3] = inlink->h;
291 s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
292 s->planewidth[0] = s->planewidth[3] = inlink->w;
294 s->borders[0].left = s->borders[3].left = s->left;
295 s->borders[0].right = s->borders[3].right = s->right;
296 s->borders[0].top = s->borders[3].top = s->top;
297 s->borders[0].bottom = s->borders[3].bottom = s->bottom;
299 s->borders[1].left = s->left >> desc->log2_chroma_w;
300 s->borders[1].right = s->right >> desc->log2_chroma_w;
301 s->borders[1].top = s->top >> desc->log2_chroma_h;
302 s->borders[1].bottom = s->bottom >> desc->log2_chroma_h;
304 s->borders[2].left = s->left >> desc->log2_chroma_w;
305 s->borders[2].right = s->right >> desc->log2_chroma_w;
306 s->borders[2].top = s->top >> desc->log2_chroma_h;
307 s->borders[2].bottom = s->bottom >> desc->log2_chroma_h;
309 if (inlink->w < s->left + s->right ||
310 inlink->w <= s->left ||
311 inlink->w <= s->right ||
312 inlink->h < s->top + s->bottom ||
313 inlink->h <= s->top ||
314 inlink->h <= s->bottom ||
315 inlink->w < s->left * 2 ||
316 inlink->w < s->right * 2 ||
317 inlink->h < s->top * 2 ||
318 inlink->h < s->bottom * 2) {
319 av_log(ctx, AV_LOG_ERROR, "Borders are bigger than input frame size.\n");
320 return AVERROR(EINVAL);
324 case FM_SMEAR: s->fillborders = s->depth <= 8 ? smear_borders8 : smear_borders16; break;
325 case FM_MIRROR: s->fillborders = s->depth <= 8 ? mirror_borders8 : mirror_borders16; break;
326 case FM_FIXED: s->fillborders = s->depth <= 8 ? fixed_borders8 : fixed_borders16; break;
329 s->yuv_color[Y] = RGB_TO_Y_CCIR(s->rgba_color[R], s->rgba_color[G], s->rgba_color[B]);
330 s->yuv_color[U] = RGB_TO_U_CCIR(s->rgba_color[R], s->rgba_color[G], s->rgba_color[B], 0);
331 s->yuv_color[V] = RGB_TO_V_CCIR(s->rgba_color[R], s->rgba_color[G], s->rgba_color[B], 0);
332 s->yuv_color[A] = s->rgba_color[A];
334 if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
338 ff_fill_rgba_map(rgba_map, inlink->format);
339 for (i = 0; i < 4; i++)
340 s->fill[rgba_map[i]] = s->rgba_color[i];
342 memcpy(s->fill, s->yuv_color, sizeof(s->yuv_color));
348 #define OFFSET(x) offsetof(FillBordersContext, x)
349 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
351 static const AVOption fillborders_options[] = {
352 { "left", "set the left fill border", OFFSET(left), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
353 { "right", "set the right fill border", OFFSET(right), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
354 { "top", "set the top fill border", OFFSET(top), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
355 { "bottom", "set the bottom fill border", OFFSET(bottom), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
356 { "mode", "set the fill borders mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=FM_SMEAR}, 0, FM_NB_MODES-1, FLAGS, "mode" },
357 { "smear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_SMEAR}, 0, 0, FLAGS, "mode" },
358 { "mirror", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_MIRROR}, 0, 0, FLAGS, "mode" },
359 { "fixed", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_FIXED}, 0, 0, FLAGS, "mode" },
360 { "color", "set the color for the fixed mode", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str = "black"}, .flags = FLAGS },
364 AVFILTER_DEFINE_CLASS(fillborders);
366 static const AVFilterPad fillborders_inputs[] = {
369 .type = AVMEDIA_TYPE_VIDEO,
370 .config_props = config_input,
371 .filter_frame = filter_frame,
377 static const AVFilterPad fillborders_outputs[] = {
380 .type = AVMEDIA_TYPE_VIDEO,
385 AVFilter ff_vf_fillborders = {
386 .name = "fillborders",
387 .description = NULL_IF_CONFIG_SMALL("Fill borders of the input video."),
388 .priv_size = sizeof(FillBordersContext),
389 .priv_class = &fillborders_class,
390 .query_formats = query_formats,
391 .inputs = fillborders_inputs,
392 .outputs = fillborders_outputs,
393 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,