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libavformat
nullenc.c
Go to the documentation of this file.
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
24
static
int
null_write_packet
(
struct
AVFormatContext
*
s
,
AVPacket
*
pkt
)
25
{
26
return
0;
27
}
28
29
AVOutputFormat
ff_null_muxer
= {
30
.
name
=
"null"
,
31
.long_name =
NULL_IF_CONFIG_SMALL
(
"raw null video"
),
32
.audio_codec =
AV_NE
(
AV_CODEC_ID_PCM_S16BE
,
AV_CODEC_ID_PCM_S16LE
),
33
.video_codec =
AV_CODEC_ID_WRAPPED_AVFRAME
,
34
.write_packet =
null_write_packet
,
35
.flags =
AVFMT_VARIABLE_FPS
|
AVFMT_NOFILE
|
AVFMT_NOTIMESTAMPS
,
36
};
AV_CODEC_ID_PCM_S16LE
@ AV_CODEC_ID_PCM_S16LE
Definition:
codec_id.h:301
AVOutputFormat::name
const char * name
Definition:
avformat.h:491
AVFMT_VARIABLE_FPS
#define AVFMT_VARIABLE_FPS
Format allows variable fps.
Definition:
avformat.h:465
AVFMT_NOTIMESTAMPS
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition:
avformat.h:462
ff_null_muxer
AVOutputFormat ff_null_muxer
Definition:
nullenc.c:29
AV_CODEC_ID_PCM_S16BE
@ AV_CODEC_ID_PCM_S16BE
Definition:
codec_id.h:302
s
#define s(width, name)
Definition:
cbs_vp9.c:257
AV_CODEC_ID_WRAPPED_AVFRAME
@ AV_CODEC_ID_WRAPPED_AVFRAME
Passthrough codec, AVFrames wrapped in AVPacket.
Definition:
codec_id.h:559
AVFormatContext
Format I/O context.
Definition:
avformat.h:1335
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:188
AVFMT_NOFILE
#define AVFMT_NOFILE
Demuxer will use avio_open, no opened file should be provided by the caller.
Definition:
avformat.h:458
AV_NE
#define AV_NE(be, le)
Definition:
common.h:50
null_write_packet
static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
Definition:
nullenc.c:24
AVOutputFormat
Definition:
avformat.h:490
avformat.h
pkt
static AVPacket pkt
Definition:
demuxing_decoding.c:54
AVPacket
This structure stores compressed data.
Definition:
packet.h:332
Generated on Wed Aug 24 2022 21:32:02 for FFmpeg by
1.8.17