--- hatari/src/includes/sound.h	2019/04/01 07:13:08	1.1.1.8
+++ hatari/src/includes/sound.h	2019/04/01 07:14:48	1.1.1.9
@@ -3,28 +3,59 @@
 
   This file is distributed under the GNU Public License, version 2 or at
   your option any later version. Read the file gpl.txt for details.
+  
+  Matthias Arndt 2008-08-15
+    - cleanup to have definitions and declarations for both sound cores in one place
 */
 
 #ifndef HATARI_SOUND_H
 #define HATARI_SOUND_H
 
 
+/* definitions common for all sound rendering engines */
+
 #define MIXBUFFER_SIZE    8192          /* Size of circular buffer to store sample to (44Khz) */
 
+extern Uint8	SoundRegs[ 14 ];			/* store YM regs 0 to 13 */
+extern int	nGeneratedSamples;
+extern bool	bEnvelopeFreqFlag;
+extern Sint16	MixBuffer[MIXBUFFER_SIZE][2];
+
+/* STSound sound renderer active */
+#include <SDL_types.h>
+
+
+/* Internal data types */
+
+typedef         Sint64			yms64;
+
+typedef		Sint8			yms8;
+typedef		Sint16			yms16;
+typedef		Sint32			yms32;
 
-extern BOOL bWriteEnvelopeFreq,bWriteChannelAAmp,bWriteChannelBAmp,bWriteChannelCAmp;
-extern BOOL bEnvelopeFreqFlag;
-extern Sint8 MixBuffer[MIXBUFFER_SIZE];
-extern int nGeneratedSamples;
+typedef		Uint8			ymu8;
+typedef		Uint16			ymu16;
+typedef		Uint32			ymu32;
+
+typedef		yms16			ymsample;	/* Output samples are mono 16bits signed PCM */
+
+
+#define YM_LINEAR_MIXING		1		/* Use ymout1c5bit[] to build ymout5[] */
+#define YM_TABLE_MIXING			2		/* Use volumetable_original to build ymout5[] */
+
+extern int	YmVolumeMixing;
+extern bool	UseLowPassFilter;
 
 extern void Sound_Init(void);
 extern void Sound_Reset(void);
 extern void Sound_ResetBufferIndex(void);
-extern void Sound_MemorySnapShot_Capture(BOOL bSave);
+extern void Sound_MemorySnapShot_Capture(bool bSave);
 extern void Sound_Update(void);
 extern void Sound_Update_VBL(void);
-extern BOOL Sound_BeginRecording(char *pszCaptureFileName);
+extern void Sound_WriteReg( int reg , Uint8 data );
+extern bool Sound_BeginRecording(char *pszCaptureFileName);
 extern void Sound_EndRecording(void);
-extern BOOL Sound_AreWeRecording(void);
+extern bool Sound_AreWeRecording(void);
+
 
 #endif  /* HATARI_SOUND_H */