FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_copy.c
Date: 2024-07-17 14:05:47
Exec Total Coverage
Lines: 12 20 60.0%
Functions: 2 2 100.0%
Branches: 3 6 50.0%

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 /**
20 * @file
21 * copy video filter
22 */
23
24 #include "libavutil/imgutils.h"
25 #include "libavutil/internal.h"
26 #include "avfilter.h"
27 #include "formats.h"
28 #include "internal.h"
29 #include "video.h"
30
31 185 static int query_formats(AVFilterContext *ctx)
32 {
33 185 return ff_set_common_formats(ctx, ff_formats_pixdesc_filter(0, AV_PIX_FMT_FLAG_HWACCEL));
34 }
35
36 184 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
37 {
38 184 AVFilterLink *outlink = inlink->dst->outputs[0];
39 184 AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height);
40 int ret;
41
42
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184 if (!out) {
43 ret = AVERROR(ENOMEM);
44 goto fail;
45 }
46
47 184 ret = av_frame_copy_props(out, in);
48
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184 if (ret < 0)
49 goto fail;
50 184 ret = av_frame_copy(out, in);
51
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184 if (ret < 0)
52 goto fail;
53 184 av_frame_free(&in);
54 184 return ff_filter_frame(outlink, out);
55 fail:
56 av_frame_free(&in);
57 av_frame_free(&out);
58 return ret;
59 }
60
61 static const AVFilterPad avfilter_vf_copy_inputs[] = {
62 {
63 .name = "default",
64 .type = AVMEDIA_TYPE_VIDEO,
65 .filter_frame = filter_frame,
66 },
67 };
68
69 const AVFilter ff_vf_copy = {
70 .name = "copy",
71 .description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."),
72 .flags = AVFILTER_FLAG_METADATA_ONLY,
73 FILTER_INPUTS(avfilter_vf_copy_inputs),
74 FILTER_OUTPUTS(ff_video_default_filterpad),
75 FILTER_QUERY_FUNC(query_formats),
76 };
77