FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_extractplanes.c
Date: 2024-02-16 17:37:06
Exec Total Coverage
Lines: 103 171 60.2%
Functions: 7 8 87.5%
Branches: 59 142 41.5%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2013 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 "config_components.h"
22
23 #include "libavutil/avstring.h"
24 #include "libavutil/imgutils.h"
25 #include "libavutil/opt.h"
26 #include "libavutil/pixdesc.h"
27
28 #include "avfilter.h"
29 #include "drawutils.h"
30 #include "filters.h"
31 #include "formats.h"
32 #include "internal.h"
33 #include "video.h"
34
35 #define PLANE_R 0x01
36 #define PLANE_G 0x02
37 #define PLANE_B 0x04
38 #define PLANE_A 0x08
39 #define PLANE_Y 0x10
40 #define PLANE_U 0x20
41 #define PLANE_V 0x40
42
43 typedef struct ExtractPlanesContext {
44 const AVClass *class;
45 int requested_planes;
46 int map[4];
47 int linesize[4];
48 int is_packed;
49 int depth;
50 int step;
51 } ExtractPlanesContext;
52
53 #define OFFSET(x) offsetof(ExtractPlanesContext, x)
54 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
55 static const AVOption extractplanes_options[] = {
56 { "planes", "set planes", OFFSET(requested_planes), AV_OPT_TYPE_FLAGS, {.i64=1}, 1, 0xff, FLAGS, .unit = "flags"},
57 { "y", "set luma plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_Y}, 0, 0, FLAGS, .unit = "flags"},
58 { "u", "set u plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_U}, 0, 0, FLAGS, .unit = "flags"},
59 { "v", "set v plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_V}, 0, 0, FLAGS, .unit = "flags"},
60 { "r", "set red plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_R}, 0, 0, FLAGS, .unit = "flags"},
61 { "g", "set green plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_G}, 0, 0, FLAGS, .unit = "flags"},
62 { "b", "set blue plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_B}, 0, 0, FLAGS, .unit = "flags"},
63 { "a", "set alpha plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_A}, 0, 0, FLAGS, .unit = "flags"},
64 { NULL }
65 };
66
67 AVFILTER_DEFINE_CLASS(extractplanes);
68
69 #define EIGHTBIT_FORMATS \
70 AV_PIX_FMT_YUV410P, \
71 AV_PIX_FMT_YUV411P, \
72 AV_PIX_FMT_YUV440P, \
73 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, \
74 AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P, \
75 AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, \
76 AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P, \
77 AV_PIX_FMT_YUVJ411P, \
78 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P, \
79 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY8A, \
80 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, \
81 AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, \
82 AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, \
83 AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0, \
84 AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR, \
85 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP
86
87 #define HIGHDEPTH_FORMATS(suf) \
88 AV_PIX_FMT_YA16##suf, \
89 AV_PIX_FMT_GRAY9##suf, \
90 AV_PIX_FMT_GRAY10##suf, \
91 AV_PIX_FMT_GRAY12##suf, \
92 AV_PIX_FMT_GRAY14##suf, \
93 AV_PIX_FMT_GRAY16##suf, \
94 AV_PIX_FMT_YUV420P16##suf, AV_PIX_FMT_YUVA420P16##suf, \
95 AV_PIX_FMT_YUV422P16##suf, AV_PIX_FMT_YUVA422P16##suf, \
96 AV_PIX_FMT_YUV444P16##suf, AV_PIX_FMT_YUVA444P16##suf, \
97 AV_PIX_FMT_RGB48##suf, AV_PIX_FMT_BGR48##suf, \
98 AV_PIX_FMT_RGBA64##suf, AV_PIX_FMT_BGRA64##suf, \
99 AV_PIX_FMT_GBRP16##suf, AV_PIX_FMT_GBRAP16##suf, \
100 AV_PIX_FMT_YUV420P10##suf, \
101 AV_PIX_FMT_YUV422P10##suf, \
102 AV_PIX_FMT_YUV444P10##suf, \
103 AV_PIX_FMT_YUV440P10##suf, \
104 AV_PIX_FMT_YUVA420P10##suf, \
105 AV_PIX_FMT_YUVA422P10##suf, \
106 AV_PIX_FMT_YUVA444P10##suf, \
107 AV_PIX_FMT_YUV420P12##suf, \
108 AV_PIX_FMT_YUV422P12##suf, \
109 AV_PIX_FMT_YUV444P12##suf, \
110 AV_PIX_FMT_YUV440P12##suf, \
111 AV_PIX_FMT_YUVA422P12##suf, \
112 AV_PIX_FMT_YUVA444P12##suf, \
113 AV_PIX_FMT_GBRP10##suf, AV_PIX_FMT_GBRAP10##suf, \
114 AV_PIX_FMT_GBRP12##suf, AV_PIX_FMT_GBRAP12##suf, \
115 AV_PIX_FMT_YUV420P9##suf, \
116 AV_PIX_FMT_YUV422P9##suf, \
117 AV_PIX_FMT_YUV444P9##suf, \
118 AV_PIX_FMT_YUVA420P9##suf, \
119 AV_PIX_FMT_YUVA422P9##suf, \
120 AV_PIX_FMT_YUVA444P9##suf, \
121 AV_PIX_FMT_GBRP9##suf, \
122 AV_PIX_FMT_GBRP14##suf, AV_PIX_FMT_GBRAP14##suf, \
123 AV_PIX_FMT_YUV420P14##suf, \
124 AV_PIX_FMT_YUV422P14##suf, \
125 AV_PIX_FMT_YUV444P14##suf
126
127 #define FLOAT_FORMATS(suf) \
128 AV_PIX_FMT_GRAYF32##suf, \
129 AV_PIX_FMT_RGBF32##suf, AV_PIX_FMT_RGBAF32##suf, \
130 AV_PIX_FMT_GBRPF32##suf, AV_PIX_FMT_GBRAPF32##suf \
131
132 4 static int query_formats(AVFilterContext *ctx)
133 {
134 static const enum AVPixelFormat in_pixfmts_le[] = {
135 EIGHTBIT_FORMATS,
136 HIGHDEPTH_FORMATS(LE),
137 FLOAT_FORMATS(LE),
138 AV_PIX_FMT_NONE,
139 };
140 static const enum AVPixelFormat in_pixfmts_be[] = {
141 EIGHTBIT_FORMATS,
142 HIGHDEPTH_FORMATS(BE),
143 FLOAT_FORMATS(BE),
144 AV_PIX_FMT_NONE,
145 };
146 static const enum AVPixelFormat out8_pixfmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };
147 static const enum AVPixelFormat out9le_pixfmts[] = { AV_PIX_FMT_GRAY9LE, AV_PIX_FMT_NONE };
148 static const enum AVPixelFormat out9be_pixfmts[] = { AV_PIX_FMT_GRAY9BE, AV_PIX_FMT_NONE };
149 static const enum AVPixelFormat out10le_pixfmts[] = { AV_PIX_FMT_GRAY10LE, AV_PIX_FMT_NONE };
150 static const enum AVPixelFormat out10be_pixfmts[] = { AV_PIX_FMT_GRAY10BE, AV_PIX_FMT_NONE };
151 static const enum AVPixelFormat out12le_pixfmts[] = { AV_PIX_FMT_GRAY12LE, AV_PIX_FMT_NONE };
152 static const enum AVPixelFormat out12be_pixfmts[] = { AV_PIX_FMT_GRAY12BE, AV_PIX_FMT_NONE };
153 static const enum AVPixelFormat out14le_pixfmts[] = { AV_PIX_FMT_GRAY14LE, AV_PIX_FMT_NONE };
154 static const enum AVPixelFormat out14be_pixfmts[] = { AV_PIX_FMT_GRAY14BE, AV_PIX_FMT_NONE };
155 static const enum AVPixelFormat out16le_pixfmts[] = { AV_PIX_FMT_GRAY16LE, AV_PIX_FMT_NONE };
156 static const enum AVPixelFormat out16be_pixfmts[] = { AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_NONE };
157 static const enum AVPixelFormat out32le_pixfmts[] = { AV_PIX_FMT_GRAYF32LE, AV_PIX_FMT_NONE };
158 static const enum AVPixelFormat out32be_pixfmts[] = { AV_PIX_FMT_GRAYF32BE, AV_PIX_FMT_NONE };
159 const enum AVPixelFormat *out_pixfmts, *in_pixfmts;
160 const AVPixFmtDescriptor *desc;
161 AVFilterFormats *avff;
162 4 int i, ret, depth = 0, be = 0;
163
164
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4 if (!ctx->inputs[0]->incfg.formats ||
165
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4 !ctx->inputs[0]->incfg.formats->nb_formats) {
166 return AVERROR(EAGAIN);
167 }
168
169 4 avff = ctx->inputs[0]->incfg.formats;
170 4 desc = av_pix_fmt_desc_get(avff->formats[0]);
171 4 depth = desc->comp[0].depth;
172 4 be = desc->flags & AV_PIX_FMT_FLAG_BE;
173
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4 if (be) {
174 in_pixfmts = in_pixfmts_be;
175 } else {
176 4 in_pixfmts = in_pixfmts_le;
177 }
178
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4 if (!ctx->inputs[0]->outcfg.formats)
179
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2 if ((ret = ff_formats_ref(ff_make_format_list(in_pixfmts), &ctx->inputs[0]->outcfg.formats)) < 0)
180 return ret;
181
182
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27 for (i = 1; i < avff->nb_formats; i++) {
183 25 desc = av_pix_fmt_desc_get(avff->formats[i]);
184
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25 if (depth != desc->comp[0].depth ||
185
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23 be != (desc->flags & AV_PIX_FMT_FLAG_BE)) {
186 2 return AVERROR(EAGAIN);
187 }
188 }
189
190
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2 if (depth == 8)
191 2 out_pixfmts = out8_pixfmts;
192 else if (!be && depth == 9)
193 out_pixfmts = out9le_pixfmts;
194 else if (be && depth == 9)
195 out_pixfmts = out9be_pixfmts;
196 else if (!be && depth == 10)
197 out_pixfmts = out10le_pixfmts;
198 else if (be && depth == 10)
199 out_pixfmts = out10be_pixfmts;
200 else if (!be && depth == 12)
201 out_pixfmts = out12le_pixfmts;
202 else if (be && depth == 12)
203 out_pixfmts = out12be_pixfmts;
204 else if (!be && depth == 14)
205 out_pixfmts = out14le_pixfmts;
206 else if (be && depth == 14)
207 out_pixfmts = out14be_pixfmts;
208 else if (be && depth == 16)
209 out_pixfmts = out16be_pixfmts;
210 else if (!be && depth == 16)
211 out_pixfmts = out16le_pixfmts;
212 else if (be && depth == 32)
213 out_pixfmts = out32be_pixfmts;
214 else
215 out_pixfmts = out32le_pixfmts;
216
217
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4 for (i = 0; i < ctx->nb_outputs; i++)
218
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2 if ((ret = ff_formats_ref(ff_make_format_list(out_pixfmts), &ctx->outputs[i]->incfg.formats)) < 0)
219 return ret;
220 2 return 0;
221 }
222
223 2 static int config_input(AVFilterLink *inlink)
224 {
225 2 AVFilterContext *ctx = inlink->dst;
226 2 ExtractPlanesContext *s = ctx->priv;
227 2 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
228 int plane_avail, ret, i;
229 uint8_t rgba_map[4];
230
231
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3 plane_avail = ((desc->flags & AV_PIX_FMT_FLAG_RGB) ? PLANE_R|PLANE_G|PLANE_B :
232 1 PLANE_Y |
233
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1 ((desc->nb_components > 2) ? PLANE_U|PLANE_V : 0)) |
234 2 ((desc->flags & AV_PIX_FMT_FLAG_ALPHA) ? PLANE_A : 0);
235
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2 if (s->requested_planes & ~plane_avail) {
236 av_log(ctx, AV_LOG_ERROR, "Requested planes not available.\n");
237 return AVERROR(EINVAL);
238 }
239
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2 if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
240 return ret;
241
242 2 s->depth = desc->comp[0].depth >> 3;
243 2 s->step = av_get_padded_bits_per_pixel(desc) >> 3;
244
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3 s->is_packed = !(desc->flags & AV_PIX_FMT_FLAG_PLANAR) &&
245
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1 (desc->nb_components > 1);
246
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2 if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
247 1 ff_fill_rgba_map(rgba_map, inlink->format);
248
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5 for (i = 0; i < 4; i++)
249 4 s->map[i] = rgba_map[s->map[i]];
250 }
251
252 2 return 0;
253 }
254
255 2 static int config_output(AVFilterLink *outlink)
256 {
257 2 AVFilterContext *ctx = outlink->src;
258 2 AVFilterLink *inlink = ctx->inputs[0];
259 2 ExtractPlanesContext *s = ctx->priv;
260 2 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
261 2 const int output = outlink->srcpad - ctx->output_pads;
262
263
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2 if (s->map[output] == 1 || s->map[output] == 2) {
264 outlink->h = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
265 outlink->w = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
266 }
267
268 2 return 0;
269 }
270
271 50 static void extract_from_packed(uint8_t *dst, int dst_linesize,
272 const uint8_t *src, int src_linesize,
273 int width, int height,
274 int depth, int step, int comp)
275 {
276 int x, y;
277
278
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14450 for (y = 0; y < height; y++) {
279
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14400 switch (depth) {
280 14400 case 1:
281
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5083200 for (x = 0; x < width; x++)
282 5068800 dst[x] = src[x * step + comp];
283 14400 break;
284 case 2:
285 for (x = 0; x < width; x++) {
286 dst[x * 2 ] = src[x * step + comp * 2 ];
287 dst[x * 2 + 1] = src[x * step + comp * 2 + 1];
288 }
289 break;
290 case 4:
291 for (x = 0; x < width; x++) {
292 dst[x * 4 ] = src[x * step + comp * 4 ];
293 dst[x * 4 + 1] = src[x * step + comp * 4 + 1];
294 dst[x * 4 + 2] = src[x * step + comp * 4 + 2];
295 dst[x * 4 + 3] = src[x * step + comp * 4 + 3];
296 }
297 break;
298 }
299 14400 dst += dst_linesize;
300 14400 src += src_linesize;
301 }
302 50 }
303
304 100 static int extract_plane(AVFilterLink *outlink, AVFrame *frame)
305 {
306 100 AVFilterContext *ctx = outlink->src;
307 100 ExtractPlanesContext *s = ctx->priv;
308 100 const int idx = s->map[FF_OUTLINK_IDX(outlink)];
309 AVFrame *out;
310
311 100 out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
312
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100 if (!out)
313 return AVERROR(ENOMEM);
314 100 av_frame_copy_props(out, frame);
315
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100 if (idx == 3 /* alpha */)
316 100 out->color_range = AVCOL_RANGE_JPEG;
317
318
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100 if (s->is_packed) {
319 50 extract_from_packed(out->data[0], out->linesize[0],
320 50 frame->data[0], frame->linesize[0],
321 outlink->w, outlink->h,
322 s->depth,
323 s->step, idx);
324 } else {
325 50 av_image_copy_plane(out->data[0], out->linesize[0],
326 50 frame->data[idx], frame->linesize[idx],
327 s->linesize[idx], outlink->h);
328 }
329
330 100 return ff_filter_frame(outlink, out);
331 }
332
333 202 static int activate(AVFilterContext *ctx)
334 {
335 202 AVFilterLink *inlink = ctx->inputs[0];
336 int status, ret;
337 AVFrame *in;
338 int64_t pts;
339
340
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404 for (int i = 0; i < ctx->nb_outputs; i++) {
341
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202 FF_FILTER_FORWARD_STATUS_BACK_ALL(ctx->outputs[i], ctx);
342 }
343
344 202 ret = ff_inlink_consume_frame(inlink, &in);
345
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202 if (ret < 0)
346 return ret;
347
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202 if (ret > 0) {
348
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200 for (int i = 0; i < ctx->nb_outputs; i++) {
349
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100 if (ff_outlink_get_status(ctx->outputs[i]))
350 continue;
351
352 100 ret = extract_plane(ctx->outputs[i], in);
353
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100 if (ret < 0)
354 break;
355 }
356
357 100 av_frame_free(&in);
358
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100 if (ret < 0)
359 return ret;
360 }
361
362
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202 if (ff_inlink_acknowledge_status(inlink, &status, &pts)) {
363
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4 for (int i = 0; i < ctx->nb_outputs; i++) {
364
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2 if (ff_outlink_get_status(ctx->outputs[i]))
365 continue;
366 2 ff_outlink_set_status(ctx->outputs[i], status, pts);
367 }
368 2 return 0;
369 }
370
371
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300 for (int i = 0; i < ctx->nb_outputs; i++) {
372
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200 if (ff_outlink_get_status(ctx->outputs[i]))
373 continue;
374
375
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200 if (ff_outlink_frame_wanted(ctx->outputs[i])) {
376 100 ff_inlink_request_frame(inlink);
377 100 return 0;
378 }
379 }
380
381 100 return FFERROR_NOT_READY;
382 }
383
384 static av_cold int init(AVFilterContext *ctx)
385 {
386 ExtractPlanesContext *s = ctx->priv;
387 int planes = (s->requested_planes & 0xf) | (s->requested_planes >> 4);
388 int i, ret;
389
390 for (i = 0; i < 4; i++) {
391 char *name;
392 AVFilterPad pad = { 0 };
393
394 if (!(planes & (1 << i)))
395 continue;
396
397 name = av_asprintf("out%d", ctx->nb_outputs);
398 if (!name)
399 return AVERROR(ENOMEM);
400 s->map[ctx->nb_outputs] = i;
401 pad.name = name;
402 pad.type = AVMEDIA_TYPE_VIDEO;
403 pad.config_props = config_output;
404
405 if ((ret = ff_append_outpad_free_name(ctx, &pad)) < 0)
406 return ret;
407 }
408
409 return 0;
410 }
411
412 static const AVFilterPad extractplanes_inputs[] = {
413 {
414 .name = "default",
415 .type = AVMEDIA_TYPE_VIDEO,
416 .config_props = config_input,
417 },
418 };
419
420 const AVFilter ff_vf_extractplanes = {
421 .name = "extractplanes",
422 .description = NULL_IF_CONFIG_SMALL("Extract planes as grayscale frames."),
423 .priv_size = sizeof(ExtractPlanesContext),
424 .priv_class = &extractplanes_class,
425 .init = init,
426 .activate = activate,
427 FILTER_INPUTS(extractplanes_inputs),
428 .outputs = NULL,
429 FILTER_QUERY_FUNC(query_formats),
430 .flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
431 };
432
433 #if CONFIG_ALPHAEXTRACT_FILTER
434
435 4 static av_cold int init_alphaextract(AVFilterContext *ctx)
436 {
437 4 ExtractPlanesContext *s = ctx->priv;
438
439 4 s->requested_planes = PLANE_A;
440 4 s->map[0] = 3;
441
442 4 return 0;
443 }
444
445 static const AVFilterPad alphaextract_outputs[] = {
446 {
447 .name = "default",
448 .type = AVMEDIA_TYPE_VIDEO,
449 .config_props = config_output,
450 },
451 };
452
453 const AVFilter ff_vf_alphaextract = {
454 .name = "alphaextract",
455 .description = NULL_IF_CONFIG_SMALL("Extract an alpha channel as a "
456 "grayscale image component."),
457 .priv_size = sizeof(ExtractPlanesContext),
458 .init = init_alphaextract,
459 .activate = activate,
460 FILTER_INPUTS(extractplanes_inputs),
461 FILTER_OUTPUTS(alphaextract_outputs),
462 FILTER_QUERY_FUNC(query_formats),
463 };
464 #endif /* CONFIG_ALPHAEXTRACT_FILTER */
465