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doomclassic/doom/i_sound.h

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+/*
+===========================================================================
+
+Doom 3 BFG Edition GPL Source Code
+Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
+
+Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+
+#ifndef __I_SOUND__
+#define __I_SOUND__
+
+#include "doomdef.h"
+
+// UNIX hack, to be removed.
+#ifdef SNDSERV
+#include <stdio.h>
+extern FILE* sndserver;
+extern char* sndserver_filename;
+#endif
+
+#include "doomstat.h"
+#include "sounds.h"
+
+
+
+// Init at program start...
+void I_InitSound();
+void I_InitSoundHardware( int numOutputChannels_, int channelMask );
+
+// ... update sound buffer and audio device at runtime...
+void I_UpdateSound(void);
+void I_SubmitSound(void);
+
+// ... shut down and relase at program termination.
+void I_ShutdownSound(void);
+void I_ShutdownSoundHardware();
+
+//
+//  SFX I/O
+//
+
+// Initialize channels?
+void I_SetChannels();
+
+// Get raw data lump index for sound descriptor.
+int I_GetSfxLumpNum (sfxinfo_t* sfxinfo );
+
+
+// Starts a sound in a particular sound channel.
+int I_StartSound( int id, mobj_t *origin, mobj_t *listener_origin, int vol, int pitch, int priority );
+
+
+// Stops a sound channel.
+void I_StopSound(int handle, int player = -1);
+
+// Called by S_*() functions
+//  to see if a channel is still playing.
+// Returns 0 if no longer playing, 1 if playing.
+int I_SoundIsPlaying(int handle);
+
+// Updates the volume, separation,
+//  and pitch of a sound channel.
+void I_UpdateSoundParams( int handle, int vol, int sep, int pitch );
+
+void I_SetSfxVolume( int );
+//
+//  MUSIC I/O
+//
+void I_InitMusic(void);
+void I_ShutdownMusic(void);
+// Volume.
+void I_SetMusicVolume(int volume);
+// PAUSE game handling.
+void I_PauseSong(int handle);
+void I_ResumeSong(int handle);
+// Registers a song handle to song data.
+int I_RegisterSong(void *data, int length);
+// Called by anything that wishes to start music.
+//  plays a song, and when the song is done,
+//  starts playing it again in an endless loop.
+// Horrible thing to do, considering.
+void I_PlaySong( const char *songname, int looping );
+// Stops a song over 3 seconds.
+void I_StopSong(int handle);
+// See above (register), then think backwards
+void I_UnRegisterSong(int handle);
+// Update Music (XMP), check for notifications
+void I_UpdateMusic(void);
+
+int Mus2Midi(unsigned char* bytes, unsigned char* out, int* len);
+
+#endif
+