-typedef struct
-{
- int left;
- int right;
-} portable_samplepair_t;
-
-typedef struct
-{
- int length;
- int loopstart;
- int speed;
- int width;
- int stereo;
- qbyte data[1]; // variable sized
-} sfxcache_t;
-
-typedef struct sfx_s
-{
- char name[MAX_QPATH];
- mempool_t *mempool;
- sfxcache_t *sfxcache;
- int silentlymissing; // true if missing and loaded with complain = false
-} sfx_t;
-
-typedef struct
-{
- int channels;
- int samples; // mono samples in buffer
- int samplepos; // in mono samples
- int samplebits;
- int speed;
- unsigned char *buffer;
- int bufferlength; // used only by certain drivers
-} dma_t;
-
-typedef struct
-{
- sfx_t *sfx; // sfx number
- int forceloop; // force looping even if the sound is not looped
- int leftvol; // 0-255 volume
- int rightvol; // 0-255 volume
- int end; // end time in global paintsamples
- int pos; // sample position in sfx
- int looping; // where to loop, -1 = no looping
- int entnum; // to allow overriding a specific sound
- int entchannel; //
- vec3_t origin; // origin of sound effect
- vec_t dist_mult; // distance multiplier (attenuation/clipK)
- int master_vol; // 0-255 master volume
-} channel_t;
-
-typedef struct
-{
- int rate;
- int width;
- int channels;
- int loopstart;
- int samples;
- int dataofs; // chunk starts this many bytes from file start
-} wavinfo_t;
-
-void S_Init (void);
-void S_Startup (void);
-void S_Shutdown (void);
-void S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation);
-void S_StaticSound (sfx_t *sfx, vec3_t origin, float vol, float attenuation);
-void S_StopSound (int entnum, int entchannel);
-void S_StopAllSounds(qboolean clear);
-void S_ClearBuffer (void);
-void S_Update(vec3_t origin, vec3_t forward, vec3_t left, vec3_t up);
-void S_ExtraUpdate (void);
-
-sfx_t *S_GetCached(const char *name);
-sfx_t *S_PrecacheSound (char *sample, int complain);
-void S_TouchSound (char *sample);
-void S_ClearPrecache (void);
-void S_BeginPrecaching (void);
-void S_EndPrecaching (void);
-void S_PaintChannels(int endtime);
-void S_InitPaintChannels (void);
-
-// picks a channel based on priorities, empty slots, number of channels
-channel_t *SND_PickChannel(int entnum, int entchannel);
-
-// spatializes a channel
-void SND_Spatialize(channel_t *ch, int isstatic);
-
-// initializes cycling through a DMA buffer and returns information on it
-qboolean SNDDMA_Init(void);
-
-// gets the current DMA position
-int SNDDMA_GetDMAPos(void);
-
-// shutdown the DMA xfer.
-void SNDDMA_Shutdown(void);