--- hatari/src/includes/audio.h	2019/04/01 07:10:34	1.1.1.4
+++ hatari/src/includes/audio.h	2019/04/09 08:53:08	1.1.1.11
@@ -1,40 +1,20 @@
 /*
   Hatari - audio.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.
+  This file is distributed under the GNU General Public License, version 2
+  or at your option any later version. Read the file gpl.txt for details.
 */
 
 #ifndef HATARI_AUDIO_H
 #define HATARI_AUDIO_H
 
-#include <SDL_types.h>
-
-/* Frequency index */
-enum
-{
-  FREQ_11Khz,
-  FREQ_22Khz,
-  FREQ_44Khz
-};
-
-/* Ramp settings to fade sound in/out */
-enum
-{
-  RAMP_HOLD,
-  RAMP_UP,
-  RAMP_DOWN
-};
-#define  RAMP_UP_VOLUME_LEVEL  0.20f    /* (1.0f/5.f) */
-#define  RAMP_DOWN_VOLUME_LEVEL  0.20f  /* (1.0f/5.f) */
-
-
-extern int SoundPlayBackFrequencies[];
-extern BOOL bDisableSound;
-extern BOOL bSoundWorking;
-extern int OutputAudioFreqIndex;
+extern int nAudioFrequency;
+extern bool bSoundWorking;
 extern int SoundBufferSize;
 extern int CompleteSndBufIdx;
+extern int SdlAudioBufferSize;
+extern int pulse_swallowing_count;
+
 
 extern void Audio_Init(void);
 extern void Audio_UnInit(void);
@@ -42,7 +22,6 @@ extern void Audio_Lock(void);
 extern void Audio_Unlock(void);
 extern void Audio_FreeSoundBuffer(void);
 extern void Audio_SetOutputAudioFreq(int Frequency);
-extern void Audio_EnableAudio(BOOL bEnable);
-extern void Audio_WriteSamplesIntoBuffer(Sint8 *pSamples,int Index, int Length, int RampSetting, Sint8 *pDestBuffer);
+extern void Audio_EnableAudio(bool bEnable);
 
 #endif  /* HATARI_AUDIO_H */