From 66e55dbc0a95d44d6b0a6a668fa48301b745bfcb Mon Sep 17 00:00:00 2001
From: Neils Wagenaar <sdlemu@ngemu.com>
Date: Sat, 16 Aug 2003 19:12:11 +0000
Subject: [PATCH] This file is no longer needed

---
 src/dsound_dummy.cpp | 274 -------------------------------------------
 1 file changed, 274 deletions(-)
 delete mode 100644 src/dsound_dummy.cpp

diff --git a/src/dsound_dummy.cpp b/src/dsound_dummy.cpp
deleted file mode 100644
index 4baa7c6..0000000
--- a/src/dsound_dummy.cpp
+++ /dev/null
@@ -1,274 +0,0 @@
-//
-// Audio handler
-//
-// by cal2
-// GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)
-// Cleanups by James L. Hammons
-//
-// We really need to convert this to SDL... DirectSound won't cut it here!
-//
-
-#include "jaguar.h"
-#include "dsnd.h"
-
-int ym2413_enable;
-
-int FREQUENCE = 44100;
-
-void dsound_reset(void);
-
-#define LEFT 0
-#define RIGHT 1
-#define SOUND_BUFFER	(0.16)		//Seconds
-#define UNDEFINED		0xFFFFFF
-
-int chipBufferLength;	//Number of bytes to hold SOUND_BUFFER seconds.
-
-int lastChipWrite = 0;
-int chipWrite = UNDEFINED;	//Write Cursor
-
-INT16 * buf1;
-
-
-void ws_write_state(int fp)
-{
-}
-
-void ws_read_state(int fp)
-{
-}
-
-void ws_audio_init(void)
-{
-#ifdef _EMULATE_SOUND
-	dsound_init(GetForegroundWindow(),1,FREQUENCE);
-//	ws_audio_reset();
-#endif
-}
-
-void ws_audio_reset(void)
-{
-#ifdef _EMULATE_SOUND
- int i;
- dsound_reset();
-
-	 chipWrite=UNDEFINED;
-
-	for (i=0;i<4;i++)
-	{
-	 ws_audio_stop_channel(i);
-	 ws_audio_play_channel(i);
-	 ws_audio_clear_channel(i);
-	}
-
-	 IDirectSoundBuffer_SetPan(chipBuffer,0);
-	 IDirectSoundBuffer_SetVolume(chipBuffer,0);
-#endif
-}
-
-void ws_audio_done(void)
-{
-#ifdef _EMULATE_SOUND
-	system_sound_shutdown();
-#endif
-}
-
-void ws_audio_clear_channel(int Channel)
-{
-#ifdef _EMULATE_SOUND
-
- switch (Channel)
- {
- case 0:
- case 1:
-	  memset(buf1,0,sizeof(buf1));
-	  chipWrite = UNDEFINED;
-	  break;
-
- case 2:
- case 3:
-	    break;
-
- }
-#endif
-}
-
-//
-// start playing a channel
-//
-
-int ws_audio_play_channel(int Channel)
-{
-#ifdef _EMULATE_SOUND
-	switch (Channel)
-	{
-	case 0:
-	case 1:
-//		if (psg_on)
-		IDirectSoundBuffer_Play(chipBuffer,0,0, DSBPLAY_LOOPING);
-		break;
-	case 2:
-	case 3:
-		break;
-	}
-#endif
-	return 0;
-}
-
-//
-// stop playing a channel
-//
-
-int ws_audio_stop_channel(int Channel)
-{
-#ifdef _EMULATE_SOUND
-	switch (Channel)
-	{
-	case 0:
-	case 1:
-		IDirectSoundBuffer_Stop(chipBuffer);
-		chipWrite=UNDEFINED;
-		break;
-
-	case 2:
-	case 3:
-		break;
-	}
-#endif
-	return(0);
-}
-
-void dsound_reset(void)
-{
-#ifdef _EMULATE_SOUND
-	BYTE	*ppvAudioPtr1, *ppvAudioPtr2;
-	DWORD	pdwAudioBytes1, pdwAudioBytes2;
-
-
-	 chipWrite = UNDEFINED;
-	 if (chipBuffer)
-	 {
-		IDirectSoundBuffer_Stop(chipBuffer);
-		// Fill the sound buffer
-		if SUCCEEDED(IDirectSoundBuffer_Lock(chipBuffer,0,0, 
-			(LPVOID*)&ppvAudioPtr1, &pdwAudioBytes1, (LPVOID*)&ppvAudioPtr2, &pdwAudioBytes2, DSBLOCK_ENTIREBUFFER))
-		{
-			if (ppvAudioPtr1 && pdwAudioBytes1)
-				memset(ppvAudioPtr1, 0, pdwAudioBytes1);
-
-			if (ppvAudioPtr2 && pdwAudioBytes2)
-				memset(ppvAudioPtr2, 0, pdwAudioBytes2);
-			
-			IDirectSoundBuffer_Unlock(chipBuffer, 
-				ppvAudioPtr1, pdwAudioBytes1, ppvAudioPtr2, pdwAudioBytes2);
-		}
-
-		//Start playing
-//		if (psg_on)
-			IDirectSoundBuffer_Play(chipBuffer, 0,0, DSBPLAY_LOOPING );
-	 }
-IDirectSoundBuffer_Play(chipBuffer, 0,0, DSBPLAY_LOOPING );
-#endif
-}
-
-void system_sound_shutdown(void)
-{
-#ifdef _EMULATE_SOUND
-	 if (chipBuffer)	IDirectSoundBuffer_Stop(chipBuffer);
-	 if (chipBuffer)	IDirectSoundBuffer_Release(chipBuffer);
-
-	if (primaryBuffer)	IDirectSoundBuffer_Stop(primaryBuffer);
-	if (primaryBuffer)	IDirectSoundBuffer_Release(primaryBuffer);
-	if (ds)	IDirectSound_Release(ds);
-	if (buf1) free(buf1);
-#endif
-}
-
-void system_sound_update(void)
-{
-#ifdef _EMULATE_SOUND
-	LPDWORD null_ptr=NULL;
-	int		pdwAudioBytes1, pdwAudioBytes2;
-	int		Write, LengthSamples;
-	UINT16	*chipPtr1, *chipPtr2;
-
-	 // UNDEFINED write cursors
-	 IDirectSoundBuffer_GetCurrentPosition(chipBuffer, 0, (LPDWORD)&Write);
-	 if ((chipWrite == UNDEFINED) )
-	 {
-		lastChipWrite = chipWrite= Write - 128;
-		return; //Wait a frame to accumulate length.
-	 }
-
-	
-		//SN76496 Sound Chips
-
-		 if (Write < lastChipWrite)	//Wrap?
-			lastChipWrite -= chipBufferLength;
-
-		LengthSamples = (Write - lastChipWrite) / 2; 
-		lastChipWrite = Write;
-
-/*		if (psg_on)*/ {
-		pcm_updateOne(0,buf1,LengthSamples>>1);
-
-		if SUCCEEDED(IDirectSoundBuffer_Lock(
-			chipBuffer, chipWrite, LengthSamples*2, 
-			(LPVOID*)&chipPtr1, (LPDWORD)&pdwAudioBytes1,
-			(LPVOID*)&chipPtr2, (LPDWORD)&pdwAudioBytes2, 0))
-		 {
-			 __asm {
-					cld
-					mov eax,buf1
-					mov ebx,buf1
-					mov edi,chipPtr1
-					mov ecx,pdwAudioBytes1
-					shr ecx,2
-					
-Copie1:				mov esi,eax
-					movsw
-					add eax,2
-					mov esi,ebx
-					movsw
-					add ebx,2
-					loop Copie1
-			
-					mov edi,chipPtr2
-					cmp edi,0
-					je End
-					mov ecx,pdwAudioBytes2
-					shr ecx,2
-
-Copie2:				
-					mov esi,eax
-					movsw
-					add eax,2
-					mov esi,ebx
-					movsw
-					add ebx,2
-					loop Copie2
-
-End:				}
-				
-
-			 IDirectSoundBuffer_Unlock(chipBuffer,
-				chipPtr1, pdwAudioBytes1, chipPtr2, pdwAudioBytes2);
-
-			chipWrite+= (LengthSamples * 2);
-			if (chipWrite> chipBufferLength)
-				chipWrite-= chipBufferLength;
-		}
-		else
-		{
-			DWORD status;
-			chipWrite= UNDEFINED;
-			IDirectSoundBuffer_GetStatus(chipBuffer, &status);
-			if (status & DSBSTATUS_BUFFERLOST)
-			{
-				if (IDirectSoundBuffer_Restore(chipBuffer) != DS_OK) return;
-				/*if (psg_on)*/ IDirectSoundBuffer_Play(chipBuffer, 0, 0, DSBPLAY_LOOPING);
-			}
-	  }
-	 }
-#endif
-}
-- 
2.37.2