FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/tests/drawutils.c
Date: 2026-09-27 02:02:56
Exec Total Coverage
Lines: 29 31 93.5%
Functions: 1 1 100.0%
Branches: 14 18 77.8%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <stdio.h>
20
21 #include "libavutil/pixdesc.h"
22 #include "libavfilter/drawutils.h"
23
24 1 int main(void)
25 {
26 enum AVPixelFormat f;
27 const AVPixFmtDescriptor *desc;
28 FFDrawContext draw;
29 FFDrawColor color;
30 int r, i;
31
32
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269 for (f = 0; av_pix_fmt_desc_get(f); f++) {
33 268 desc = av_pix_fmt_desc_get(f);
34
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268 if (!desc->name)
35 171 continue;
36 268 printf("Testing %s...%*s", desc->name,
37 268 (int)(16 - strlen(desc->name)), "");
38 268 r = ff_draw_init(&draw, f, 0);
39
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268 if (r < 0) {
40 171 printf("no: %s\n", av_err2str(r));
41 171 continue;
42 }
43 97 ff_draw_color(&draw, &color, (uint8_t[]) { 1, 0, 0, 1 });
44
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97 for (i = 0; i < sizeof(color); i++)
45
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97 if (((uint8_t *)&color)[i] != 128)
46 97 break;
47
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97 if (i == sizeof(color)) {
48 ✗ printf("fallback color\n");
49 ✗ continue;
50 }
51 97 printf("ok\n");
52 }
53
54 1 ff_draw_init(&draw, AV_PIX_FMT_RGBA, FF_DRAW_PROCESS_ALPHA);
55 1 ff_draw_color(&draw, &color, (uint8_t[]) { 255, 0, 0, 128 });
56
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3 for (int pass = 0; pass < 2; pass++) {
57 2 uint8_t pixel[4] = { 0 };
58 2 uint8_t *dst[4] = { pixel }, mask = 0xFF;
59 2 int linesize[4] = { 4 };
60
61
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2 if (pass)
62 1 ff_blend_rectangle(&draw, &color, dst, linesize, 1, 1, 0, 0, 1, 1);
63 else
64 1 ff_blend_mask(&draw, &color, dst, linesize, 1, 1, &mask, 1, 1, 1, 3, 0, 0, 0);
65 2 printf("half transparent red over transparent rgba by %s: %d %d %d %d\n",
66
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2 pass ? "rectangle" : "mask", pixel[0], pixel[1], pixel[2], pixel[3]);
67 }
68 1 return 0;
69 }
70