modules/stream_out/dummy.c

   1 /*****************************************************************************
   2  * dummy.c: dummy stream output module
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VLC authors and VideoLAN
   5  *
   6  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU Lesser General Public License as published by
  10  * the Free Software Foundation; either version 2.1 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 /*****************************************************************************
  24  * Preamble
  25  *****************************************************************************/
  26
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #include <vlc_common.h>
  32 #include <vlc_plugin.h>
  33 #include <vlc_block.h>
  34 #include <vlc_sout.h>
  35
  36 static void *Add( sout_stream_t *p_stream, const es_format_t *p_fmt )
  37 {
  38     VLC_UNUSED(p_stream); VLC_UNUSED(p_fmt);
  39     return malloc( 1 );
  40 }
  41
  42 static void Del( sout_stream_t *p_stream, void *id )
  43 {
  44     VLC_UNUSED(p_stream);
  45     free( id );
  46 }
  47
  48 static int Send( sout_stream_t *p_stream, void *id, block_t *p_buffer )
  49 {
  50     (void)p_stream; (void)id;
  51     block_ChainRelease( p_buffer );
  52     return VLC_SUCCESS;
  53 }
  54
  55 static const struct sout_stream_operations ops = {
  56     Add, Del, Send, NULL, NULL,
  57 };
  58
  59 /*****************************************************************************
  60  * Open:
  61  *****************************************************************************/
  62 static int Open( vlc_object_t *p_this )
  63 {
  64     sout_stream_t *p_stream = (sout_stream_t*)p_this;
  65
  66     p_stream->ops = &ops;
  67     return VLC_SUCCESS;
  68 }
  69
  70 /*****************************************************************************
  71  * Module descriptor
  72  *****************************************************************************/
  73 vlc_module_begin()
  74     set_description(N_("Dummy stream output"))
  75     set_capability("sout output", 50)
  76     add_shortcut("dummy", "drop")
  77     set_callback(Open )
  78 vlc_module_end()