modules/stream_out/dummy.c

   1 /*****************************************************************************
   2  * dummy.c: dummy stream output module
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc_common.h>
  33 #include <vlc_plugin.h>
  34 #include <vlc_block.h>
  35 #include <vlc_sout.h>
  36
  37 /*****************************************************************************
  38  * Exported prototypes
  39  *****************************************************************************/
  40 static int      Open    ( vlc_object_t * );
  41
  42 static sout_stream_id_sys_t *Add( sout_stream_t *, const es_format_t * );
  43 static void              Del ( sout_stream_t *, sout_stream_id_sys_t * );
  44 static int               Send( sout_stream_t *, sout_stream_id_sys_t *, block_t* );
  45
  46 /*****************************************************************************
  47  * Module descriptor
  48  *****************************************************************************/
  49 vlc_module_begin ()
  50     set_description( N_("Dummy stream output") )
  51     set_capability( "sout stream", 50 )
  52     add_shortcut( "dummy", "drop" )
  53     set_callbacks( Open, NULL )
  54 vlc_module_end ()
  55
  56 /*****************************************************************************
  57  * Open:
  58  *****************************************************************************/
  59 static int Open( vlc_object_t *p_this )
  60 {
  61     sout_stream_t *p_stream = (sout_stream_t*)p_this;
  62
  63     p_stream->pf_add    = Add;
  64     p_stream->pf_del    = Del;
  65     p_stream->pf_send   = Send;
  66
  67     p_stream->p_sys     = NULL;
  68
  69     return VLC_SUCCESS;
  70 }
  71
  72 static sout_stream_id_sys_t *Add( sout_stream_t *p_stream, const es_format_t *p_fmt )
  73 {
  74     VLC_UNUSED(p_stream); VLC_UNUSED(p_fmt);
  75     return malloc( 1 );
  76 }
  77
  78 static void Del( sout_stream_t *p_stream, sout_stream_id_sys_t *id )
  79 {
  80     VLC_UNUSED(p_stream);
  81     free( id );
  82 }
  83
  84 static int Send( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
  85                  block_t *p_buffer )
  86 {
  87     (void)p_stream; (void)id;
  88     block_ChainRelease( p_buffer );
  89     return VLC_SUCCESS;
  90 }
  91