ffmpeg/libavcodec/null_bsf.c

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/*
* 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
* Null bitstream filter -- pass the input through unchanged.
*/
#include "avcodec.h"
#include "bsf.h"
static int null_filter(AVBSFContext *ctx, AVPacket *out)
{
AVPacket *in;
int ret;
ret = ff_bsf_get_packet(ctx, &in);
if (ret < 0)
return ret;
av_packet_move_ref(out, in);
av_packet_free(&in);
return 0;
}
const AVBitStreamFilter ff_null_bsf = {
.name = "null",
.filter = null_filter,
};