4abe6e4153
This avoids frame duplication for null output avoiding unneeded computations. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/*
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* RAW null muxer
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* Copyright (c) 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avformat.h"
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static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
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{
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return 0;
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}
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AVOutputFormat ff_null_muxer = {
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.name = "null",
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.long_name = NULL_IF_CONFIG_SMALL("raw null video"),
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.audio_codec = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
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.video_codec = AV_CODEC_ID_RAWVIDEO,
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.write_packet = null_write_packet,
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.flags = AVFMT_VARIABLE_FPS | AVFMT_NOFILE | AVFMT_NOTIMESTAMPS | AVFMT_RAWPICTURE,
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};
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