mirror of https://git.videolan.org/git/ffmpeg.git
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* copy video filter
|
|
*/
|
|
|
|
#include "libavutil/imgutils.h"
|
|
#include "libavutil/internal.h"
|
|
#include "avfilter.h"
|
|
#include "formats.h"
|
|
#include "internal.h"
|
|
#include "video.h"
|
|
|
|
static int query_formats(AVFilterContext *ctx)
|
|
{
|
|
return ff_set_common_formats(ctx, ff_formats_pixdesc_filter(0, AV_PIX_FMT_FLAG_HWACCEL));
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterLink *outlink = inlink->dst->outputs[0];
|
|
AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height);
|
|
int ret;
|
|
|
|
if (!out) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
ret = av_frame_copy_props(out, in);
|
|
if (ret < 0)
|
|
goto fail;
|
|
ret = av_frame_copy(out, in);
|
|
if (ret < 0)
|
|
goto fail;
|
|
av_frame_free(&in);
|
|
return ff_filter_frame(outlink, out);
|
|
fail:
|
|
av_frame_free(&in);
|
|
av_frame_free(&out);
|
|
return ret;
|
|
}
|
|
|
|
static const AVFilterPad avfilter_vf_copy_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
},
|
|
};
|
|
|
|
const AVFilter ff_vf_copy = {
|
|
.name = "copy",
|
|
.description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."),
|
|
.flags = AVFILTER_FLAG_METADATA_ONLY,
|
|
FILTER_INPUTS(avfilter_vf_copy_inputs),
|
|
FILTER_OUTPUTS(ff_video_default_filterpad),
|
|
FILTER_QUERY_FUNC(query_formats),
|
|
};
|