2 * This file is part of FFmpeg.
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.
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.
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
24 #include "libavutil/imgutils.h"
25 #include "libavutil/internal.h"
30 static int query_formats(AVFilterContext *ctx)
32 AVFilterFormats *formats = NULL;
35 for (fmt = 0; av_pix_fmt_desc_get(fmt); fmt++) {
36 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
38 if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
40 if ((ret = ff_add_format(&formats, fmt)) < 0)
44 return ff_set_common_formats(ctx, formats);
47 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
49 AVFilterLink *outlink = inlink->dst->outputs[0];
50 AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height);
54 return AVERROR(ENOMEM);
56 av_frame_copy_props(out, in);
57 av_frame_copy(out, in);
59 return ff_filter_frame(outlink, out);
62 static const AVFilterPad avfilter_vf_copy_inputs[] = {
65 .type = AVMEDIA_TYPE_VIDEO,
66 .filter_frame = filter_frame,
71 static const AVFilterPad avfilter_vf_copy_outputs[] = {
74 .type = AVMEDIA_TYPE_VIDEO,
79 AVFilter ff_vf_copy = {
81 .description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."),
82 .inputs = avfilter_vf_copy_inputs,
83 .outputs = avfilter_vf_copy_outputs,
84 .query_formats = query_formats,