--- np2/sound/sound.h	2003/10/16 17:58:01	1.1.1.1
+++ np2/sound/sound.h	2004/02/18 20:11:37	1.5
@@ -3,21 +3,33 @@
 #define	SOUNDCALL
 #endif
 
+#if defined(SUPPORT_WAVEMIX)
+#include	"wavemix.h"
+#endif
+
 typedef void (SOUNDCALL * SOUNDCB)(void *hdl, SINT32 *pcm, UINT count);
 
+typedef struct {
+	UINT	rate;
+	UINT32	hzbase;
+	UINT32	clockbase;
+	UINT32	minclock;
+	UINT32	lastclock;
+	UINT	writecount;
+} SOUNDCFG;
+
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-extern	UINT32	opna_rate;
-extern	UINT32	dsound_lastclock;
-
+extern	SOUNDCFG	soundcfg;
 
 BOOL sound_create(UINT rate, UINT ms);
 void sound_destroy(void);
 
 void sound_reset(void);
+void sound_changeclock(void);
 void sound_streamregist(void *hdl, SOUNDCB cbfn);
 
 void sound_sync(void);
@@ -29,3 +41,50 @@ void sound_pcmunlock(const SINT32 *hdl);
 }
 #endif
 
+
+
+// ---- PCM MIX
+
+enum {
+	PMIXFLAG_L		= 0x0001,
+	PMIXFLAG_R		= 0x0002,
+	PMIXFLAG_LOOP	= 0x0004
+};
+
+typedef struct {
+	UINT32	playing;
+	UINT32	enable;
+} PMIXHDR;
+
+typedef struct {
+	SINT16	*sample;
+	UINT	samples;
+} PMIXDAT;
+
+typedef struct {
+const SINT16	*pcm;
+	UINT		remain;
+	PMIXDAT		data;
+	UINT		flag;
+	SINT32		volume;
+} PMIXTRK;
+
+typedef struct {
+	PMIXHDR		hdr;
+	PMIXTRK		trk[1];
+} _PCMMIX, *PCMMIX;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+BOOL pcmmix_regist(PMIXDAT *dat, void *datptr, UINT datsize, UINT rate);
+BOOL pcmmix_regfile(PMIXDAT *dat, const char *fname, UINT rate);
+
+void SOUNDCALL pcmmix_getpcm(PCMMIX hdl, SINT32 *pcm, UINT count);
+
+#ifdef __cplusplus
+}
+#endif
+