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null_bsf.c
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1 /*
2  * This file is part of FFmpeg.
3  *
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.
8  *
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.
13  *
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
17  */
18 
19 /**
20  * @file
21  * Null bitstream filter -- pass the input through unchanged.
22  */
23 
24 #include "avcodec.h"
25 #include "bsf.h"
26 
28 {
29  return ff_bsf_get_packet_ref(ctx, pkt);
30 }
31 
33  .name = "null",
34  .filter = null_filter,
35 };
The bitstream filter state.
Definition: avcodec.h:5690
static AVPacket pkt
const char * name
Definition: avcodec.h:5740
AVFormatContext * ctx
Definition: movenc.c:48
Libavcodec external API header.
static int null_filter(AVBSFContext *ctx, AVPacket *pkt)
Definition: null_bsf.c:27
const AVBitStreamFilter ff_null_bsf
Definition: null_bsf.c:32
This structure stores compressed data.
Definition: avcodec.h:1410
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
Called by bitstream filters to get packet for filtering.
Definition: bsf.c:228