git.mutantstargoat.com Git - dosrtxon/blob - libs/mikmod/drivers/drv_nos.c

   1 /*      MikMod sound library
   2         (c) 1998, 1999, 2000 Miodrag Vallat and others - see file AUTHORS for
   3         complete list.
   4
   5         This library is free software; you can redistribute it and/or modify
   6         it under the terms of the GNU Library General Public License as
   7         published by the Free Software Foundation; either version 2 of
   8         the License, or (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13         GNU Library General Public License for more details.
  14
  15         You should have received a copy of the GNU Library General Public
  16         License along with this library; if not, write to the Free Software
  17         Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  18         02111-1307, USA.
  19 */
  20
  21 /*==============================================================================
  22
  23   $Id$
  24
  25   Driver for no output
  26
  27 ==============================================================================*/
  28
  29 /*
  30
  31         Written by Jean-Paul Mikkers <mikmak@via.nl>
  32
  33 */
  34
  35 #ifdef HAVE_CONFIG_H
  36 #include "config.h"
  37 #endif
  38
  39 #ifdef HAVE_UNISTD_H
  40 #include <unistd.h>
  41 #endif
  42
  43 #include "mikmod_internals.h"
  44
  45 #define ZEROLEN 32768
  46
  47 static  SBYTE *zerobuf=NULL;
  48
  49 static BOOL NS_IsThere(void)
  50 {
  51         return 1;
  52 }
  53
  54 static int NS_Init(void)
  55 {
  56         zerobuf=(SBYTE*)MikMod_malloc(ZEROLEN);
  57         return VC_Init();
  58 }
  59
  60 static void NS_Exit(void)
  61 {
  62         VC_Exit();
  63         MikMod_free(zerobuf);
  64         zerobuf=NULL;
  65 }
  66
  67 static void NS_Update(void)
  68 {
  69         if (zerobuf)
  70                 VC_WriteBytes(zerobuf,ZEROLEN);
  71 }
  72
  73 MIKMODAPI MDRIVER drv_nos={
  74         NULL,
  75         "No Sound",
  76         "Nosound Driver v3.0",
  77         255,255,
  78         "nosound",
  79         NULL,
  80         NULL,
  81         NS_IsThere,
  82         VC_SampleLoad,
  83         VC_SampleUnload,
  84         VC_SampleSpace,
  85         VC_SampleLength,
  86         NS_Init,
  87         NS_Exit,
  88         NULL,
  89         VC_SetNumVoices,
  90         VC_PlayStart,
  91         VC_PlayStop,
  92         NS_Update,
  93         NULL,
  94         VC_VoiceSetVolume,
  95         VC_VoiceGetVolume,
  96         VC_VoiceSetFrequency,
  97         VC_VoiceGetFrequency,
  98         VC_VoiceSetPanning,
  99         VC_VoiceGetPanning,
 100         VC_VoicePlay,
 101         VC_VoiceStop,
 102         VC_VoiceStopped,
 103         VC_VoiceGetPosition,
 104         VC_VoiceRealVolume
 105 };
 106
 107 /* ex:set ts=4: */