modules/access_output/dummy.c

   1 /*****************************************************************************
   2  * dummy.c
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Eric Petit <titer@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <vlc_common.h>
  34 #include <vlc_plugin.h>
  35 #include <vlc_sout.h>
  36 #include <vlc_block.h>
  37
  38 /*****************************************************************************
  39  * Module descriptor
  40  *****************************************************************************/
  41 static int  Open ( vlc_object_t * );
  42 static void Close( vlc_object_t * );
  43
  44 vlc_module_begin ()
  45     set_description( N_("Dummy stream output") )
  46     set_shortname( N_( "Dummy" ))
  47     set_capability( "sout access", 0 )
  48     set_category( CAT_SOUT )
  49     set_subcategory( SUBCAT_SOUT_ACO )
  50     add_shortcut( "dummy" )
  51     set_callbacks( Open, Close )
  52 vlc_module_end ()
  53
  54
  55 /*****************************************************************************
  56  * Exported prototypes
  57  *****************************************************************************/
  58 static ssize_t Write( sout_access_out_t *, block_t * );
  59 static int     Seek ( sout_access_out_t *, off_t  );
  60
  61 /*****************************************************************************
  62  * Open: open the file
  63  *****************************************************************************/
  64 static int Open( vlc_object_t *p_this )
  65 {
  66     sout_access_out_t   *p_access = (sout_access_out_t*)p_this;
  67
  68     p_access->p_sys    = NULL;
  69     p_access->pf_write = Write;
  70     p_access->pf_seek  = Seek;
  71
  72     msg_Dbg( p_access, "dummy stream output access opened" );
  73     return VLC_SUCCESS;
  74 }
  75
  76 /*****************************************************************************
  77  * Close: close the target
  78  *****************************************************************************/
  79 static void Close( vlc_object_t * p_this )
  80 {
  81     sout_access_out_t   *p_access = (sout_access_out_t*)p_this;
  82     msg_Dbg( p_access, "dummy stream output access closed" );
  83 }
  84
  85 /*****************************************************************************
  86  * Read: standard read on a file descriptor.
  87  *****************************************************************************/
  88 static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
  89 {
  90     size_t i_write = 0;
  91     block_t *b = p_buffer;
  92
  93     while( b )
  94     {
  95         i_write += b->i_buffer;
  96
  97         b = b->p_next;
  98     }
  99
 100     block_ChainRelease( p_buffer );
 101
 102     (void)p_access;
 103     return i_write;
 104 }
 105
 106 /*****************************************************************************
 107  * Seek: seek to a specific location in a file
 108  *****************************************************************************/
 109 static int Seek( sout_access_out_t *p_access, off_t i_pos )
 110 {
 111     (void)p_access; (void)i_pos;
 112     return 0;
 113 }
 114
 115