FFmpeg
nullenc.c
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1 /*
2  * RAW null muxer
3  * Copyright (c) 2002 Fabrice Bellard
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "avformat.h"
23 #include "internal.h"
24 
26 {
27  return 0;
28 }
29 
31  .name = "null",
32  .long_name = NULL_IF_CONFIG_SMALL("raw null video"),
34  .video_codec = AV_CODEC_ID_WRAPPED_AVFRAME,
35  .write_packet = null_write_packet,
37  .interleave_packet = ff_interleave_packet_passthrough,
38 };
AV_CODEC_ID_PCM_S16LE
@ AV_CODEC_ID_PCM_S16LE
Definition: codec_id.h:314
AVOutputFormat::name
const char * name
Definition: avformat.h:497
AVFMT_VARIABLE_FPS
#define AVFMT_VARIABLE_FPS
Format allows variable fps.
Definition: avformat.h:471
AVFMT_NOTIMESTAMPS
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:468
AV_CODEC_ID_PCM_S16BE
@ AV_CODEC_ID_PCM_S16BE
Definition: codec_id.h:315
ff_null_muxer
const AVOutputFormat ff_null_muxer
Definition: nullenc.c:30
pkt
AVPacket * pkt
Definition: movenc.c:59
s
#define s(width, name)
Definition: cbs_vp9.c:257
AV_NE
#define AV_NE(be, le)
Definition: macros.h:33
AV_CODEC_ID_WRAPPED_AVFRAME
@ AV_CODEC_ID_WRAPPED_AVFRAME
Passthrough codec, AVFrames wrapped in AVPacket.
Definition: codec_id.h:572
AVFormatContext
Format I/O context.
Definition: avformat.h:1193
internal.h
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AVFMT_NOFILE
#define AVFMT_NOFILE
Demuxer will use avio_open, no opened file should be provided by the caller.
Definition: avformat.h:464
null_write_packet
static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
Definition: nullenc.c:25
AVOutputFormat
Definition: avformat.h:496
avformat.h
ff_interleave_packet_passthrough
int ff_interleave_packet_passthrough(AVFormatContext *s, AVPacket *pkt, int flush, int has_packet)
Interleave packets directly in the order in which they arrive without any sort of buffering.
Definition: mux.c:1033
AVPacket
This structure stores compressed data.
Definition: packet.h:350