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 ret = ff_formats_pixdesc_filter(&formats, 0,
36 AV_PIX_FMT_FLAG_HWACCEL);
39 return ff_set_common_formats(ctx, formats);
42 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
44 AVFilterLink *outlink = inlink->dst->outputs[0];
45 AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height);
49 ret = AVERROR(ENOMEM);
53 ret = av_frame_copy_props(out, in);
56 ret = av_frame_copy(out, in);
60 return ff_filter_frame(outlink, out);
67 static const AVFilterPad avfilter_vf_copy_inputs[] = {
70 .type = AVMEDIA_TYPE_VIDEO,
71 .filter_frame = filter_frame,
76 static const AVFilterPad avfilter_vf_copy_outputs[] = {
79 .type = AVMEDIA_TYPE_VIDEO,
84 AVFilter ff_vf_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,