GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavfilter/vf_copy.c Lines: 15 24 62.5 %
Date: 2021-01-22 05:18:52 Branches: 4 8 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 "internal.h"
28
#include "video.h"
29
30
161
static int query_formats(AVFilterContext *ctx)
31
{
32
161
    AVFilterFormats *formats = NULL;
33
    int ret;
34
35
161
    ret = ff_formats_pixdesc_filter(&formats, 0,
36
                                    AV_PIX_FMT_FLAG_HWACCEL);
37
161
    if (ret < 0)
38
        return ret;
39
161
    return ff_set_common_formats(ctx, formats);
40
}
41
42
160
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
43
{
44
160
    AVFilterLink *outlink = inlink->dst->outputs[0];
45
160
    AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height);
46
    int ret;
47
48
160
    if (!out) {
49
        ret = AVERROR(ENOMEM);
50
        goto fail;
51
    }
52
53
160
    ret = av_frame_copy_props(out, in);
54
160
    if (ret < 0)
55
        goto fail;
56
160
    ret = av_frame_copy(out, in);
57
160
    if (ret < 0)
58
        goto fail;
59
160
    av_frame_free(&in);
60
160
    return ff_filter_frame(outlink, out);
61
fail:
62
    av_frame_free(&in);
63
    av_frame_free(&out);
64
    return ret;
65
}
66
67
static const AVFilterPad avfilter_vf_copy_inputs[] = {
68
    {
69
        .name         = "default",
70
        .type         = AVMEDIA_TYPE_VIDEO,
71
        .filter_frame = filter_frame,
72
    },
73
    { NULL }
74
};
75
76
static const AVFilterPad avfilter_vf_copy_outputs[] = {
77
    {
78
        .name = "default",
79
        .type = AVMEDIA_TYPE_VIDEO,
80
    },
81
    { NULL }
82
};
83
84
AVFilter ff_vf_copy = {
85
    .name        = "copy",
86
    .description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."),
87
    .inputs      = avfilter_vf_copy_inputs,
88
    .outputs     = avfilter_vf_copy_outputs,
89
    .query_formats = query_formats,
90
};