mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; 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 "internal.h"
|
|
#include "video.h"
|
|
|
|
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);
|
|
|
|
if (!out) {
|
|
av_frame_free(&in);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
av_frame_copy_props(out, in);
|
|
av_image_copy(out->data, out->linesize, in->data, in->linesize,
|
|
in->format, in->width, in->height);
|
|
|
|
av_frame_free(&in);
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static const AVFilterPad avfilter_vf_copy_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.get_video_buffer = ff_null_get_video_buffer,
|
|
.filter_frame = filter_frame,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVFilterPad avfilter_vf_copy_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
AVFilter ff_vf_copy = {
|
|
.name = "copy",
|
|
.description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."),
|
|
|
|
.inputs = avfilter_vf_copy_inputs,
|
|
.outputs = avfilter_vf_copy_outputs,
|
|
};
|