include/channel.h

   1 /*
   2  * $Logfile: /Freespace2/code/Sound/channel.h $
   3  * $Revision$
   4  * $Date$
   5  * $Author$
   6  *
   7  * Common types for the sound channels shared by the DirectSound modules
   8  *
   9  * $Log$
  10  * Revision 1.1  2002/05/03 03:28:12  root
  11  * Initial revision
  12  *
  13  *
  14  * 4     10/25/99 5:56p Jefff
  15  * increase num software channels to the number the users hardware can
  16  * handle.  not less than 16, tho.
  17  *
  18  * 3     8/27/99 6:38p Alanl
  19  * crush the blasted repeating messages bug
  20  *
  21  * 2     10/07/98 10:54a Dave
  22  * Initial checkin.
  23  *
  24  * 1     10/07/98 10:51a Dave
  25  *
  26  * 6     12/05/97 5:19p Lawrance
  27  * re-do sound priorities to make more general and extensible
  28  *
  29  * 5     7/17/97 9:32a John
  30  * made all directX header files name start with a v
  31  *
  32  * 4     7/15/97 11:15a Lawrance
  33  * limit the max instances of simultaneous sound effects, implement
  34  * priorities to force critical sounds
  35  *
  36  * 3     6/09/97 8:53a Lawrance
  37  * add #ifndef ... #endif to avoid multiple inclusion
  38  *
  39  * 2     6/08/97 6:00p Lawrance
  40  * created to share channel defs between ds.cpp and ds3d.cpp
  41  *
  42  * $NoKeywords: $
  43  */
  44
  45
  46 #include <windows.h>
  47 #include "vdsound.h"
  48
  49 #ifndef __CHANNEL_H__
  50 #define __CHANNEL_H__
  51
  52 typedef struct channel
  53 {
  54         int                                                     sig;                    // uniquely identifies the sound playing on the channel
  55         int                                                     snd_id;         // identifies which kind of sound is playing
  56         LPDIRECTSOUNDBUFFER             pdsb;                   // pointer to the secondary buffer that was duplicated
  57         LPDIRECTSOUND3DBUFFER   pds3db;         // 3D interface, only used if sound buffer created with CTRL3D flag
  58         int                                                     looping;                // flag to indicate that the sound is looping
  59         int                                                     vol;                    // in DirectSound units
  60         int                                                     priority;       // implementation dependant priority
  61         bool                                                    is_voice_msg;
  62         DWORD                   last_position;
  63 } channel;
  64
  65
  66 // #define      MAX_CHANNELS  16
  67 extern  channel* Channels;    //[MAX_CHANNELS];
  68
  69 #endif /* __CHANNEL_H__ */
  70