libavformat/nullenc.c

   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
  25 static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
  26 {
  27     return 0;
  28 }
  29
  30 const FFOutputFormat ff_null_muxer = {
  31     .p.name            = "null",
  32     .p.long_name       = NULL_IF_CONFIG_SMALL("raw null video"),
  33     .p.audio_codec     = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
  34     .p.video_codec     = AV_CODEC_ID_WRAPPED_AVFRAME,
  35     .write_packet      = null_write_packet,
  36     .p.flags           = AVFMT_VARIABLE_FPS | AVFMT_NOFILE | AVFMT_NOTIMESTAMPS,
  37     .interleave_packet = ff_interleave_packet_passthrough,
  38 };