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FFmpeg/libavformat/nullenc.c
Michael Niedermayer 4abe6e4153 avformat/nullenc: mark null as VFPS
This avoids frame duplication for null output
avoiding unneeded computations.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-11-13 22:56:18 +01:00

37 lines
1.3 KiB
C

/*
* RAW null muxer
* Copyright (c) 2002 Fabrice Bellard
*
* 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
*/
#include "avformat.h"
static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
return 0;
}
AVOutputFormat ff_null_muxer = {
.name = "null",
.long_name = NULL_IF_CONFIG_SMALL("raw null video"),
.audio_codec = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
.video_codec = AV_CODEC_ID_RAWVIDEO,
.write_packet = null_write_packet,
.flags = AVFMT_VARIABLE_FPS | AVFMT_NOFILE | AVFMT_NOTIMESTAMPS | AVFMT_RAWPICTURE,
};