--- hatari/src/includes/sound.h	2019/04/01 07:09:16	1.1
+++ hatari/src/includes/sound.h	2019/04/01 07:10:37	1.1.1.4
@@ -1,22 +1,35 @@
 /*
-  Hatari
+  Hatari - sound.h
+
+  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.
 */
 
+#ifndef HATARI_SOUND_H
+#define HATARI_SOUND_H
+
+
 /* Envelope shape table */
-typedef struct {
-  int WaveStart[4],WaveDelta[4];
+typedef struct
+{
+  int WaveStart[4], WaveDelta[4];
 } ENVSHAPE;
 
-#define MIXBUFFER_SIZE    4096                 /* Size of circular buffer to store sample to (44Khz) */
-#define MIXBUFFER_LENGTH  (MIXBUFFER_SIZE-1)
+#define MIXBUFFER_SIZE    8192          /* Size of circular buffer to store sample to (44Khz) */
 
 #define SAMPLES_BUFFER_SIZE  1024
-#define SAMPLES_PER_FRAME  SoundPlayBackFreqFrameLengths[OutputAudioFreqIndex][0]  /* Number of generated samples per frame(eg 44Khz=882) */
-#define SAMPLES_FREQ   (SAMPLES_PER_FRAME*50)      /* Frequency of generated samples */
+/* Number of generated samples per frame (eg. 44Khz=882) : */
+#define SAMPLES_PER_FRAME  ((SoundPlayBackFrequencies[OutputAudioFreqIndex]+25)/50)
+/* Frequency of generated samples: */
+#define SAMPLES_FREQ   (SoundPlayBackFrequencies[OutputAudioFreqIndex])
 #define YM_FREQ        (2000000/SAMPLES_FREQ)      /* YM Frequency 2Mhz */
 
+
 extern BOOL bWriteEnvelopeFreq,bWriteChannelAAmp,bWriteChannelBAmp,bWriteChannelCAmp;
 extern BOOL bEnvelopeFreqFlag;
+extern char MixBuffer[MIXBUFFER_SIZE];
+extern int SoundCycles;
+extern int nGeneratedSamples;
 
 extern void Sound_Init(void);
 extern void Sound_Reset(void);
@@ -26,10 +39,11 @@ extern void Sound_CreateLogTables(void);
 extern void Sound_CreateEnvelopeShapes(void);
 extern void Sound_CreateSoundMixClipTable(void);
 extern void Sound_GenerateYMFrameSamples(void);
-extern void Sound_PassYMSamplesToDirectSound(void);
 extern void Sound_UpdateHBL(void);
 extern void Sound_Update(void);
 extern void Sound_Update_VBL(void);
-extern BOOL Sound_BeginRecording(/*HWND hWnd,*/char *pszCaptureFileName);
-extern void Sound_EndRecording(/*HWND hWnd*/);
+extern BOOL Sound_BeginRecording(char *pszCaptureFileName);
+extern void Sound_EndRecording();
 extern BOOL Sound_AreWeRecording(void);
+
+#endif  /* HATARI_SOUND_H */