FFmpeg
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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 "mux.h"
24
26{
27 return 0;
28}
29
31 .p.name = "null",
32 .p.long_name = NULL_IF_CONFIG_SMALL("raw null video"),
34 .p.video_codec = AV_CODEC_ID_WRAPPED_AVFRAME,
35 .write_packet = null_write_packet,
37 .interleave_packet = ff_interleave_packet_passthrough,
38};
const FFOutputFormat ff_null_muxer
Definition nullenc.c:30
Main libavformat public API header.
#define AVFMT_VARIABLE_FPS
Format allows variable fps.
Definition avformat.h:501
#define AVFMT_NOFILE
Demuxer will use avio_open, no opened file should be provided by the caller.
Definition avformat.h:488
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition avformat.h:498
#define s(width, name)
Definition cbs_vp9.c:198
static AVPacket * pkt
@ AV_CODEC_ID_PCM_S16LE
Definition codec_id.h:330
@ AV_CODEC_ID_WRAPPED_AVFRAME
Passthrough codec, AVFrames wrapped in AVPacket.
Definition codec_id.h:621
@ AV_CODEC_ID_PCM_S16BE
Definition codec_id.h:331
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:1021
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition internal.h:88
#define AV_NE(be, le)
Definition macros.h:33
static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
Definition nullenc.c:25
Format I/O context.
Definition avformat.h:1333
This structure stores compressed data.
Definition packet.h:580