]> Shamusworld >> Repos - virtualjaguar/commitdiff
This file is no longer needed
authorNeils Wagenaar <sdlemu@ngemu.com>
Sat, 16 Aug 2003 19:12:11 +0000 (19:12 +0000)
committerNeils Wagenaar <sdlemu@ngemu.com>
Sat, 16 Aug 2003 19:12:11 +0000 (19:12 +0000)
src/dsound_dummy.cpp [deleted file]

diff --git a/src/dsound_dummy.cpp b/src/dsound_dummy.cpp
deleted file mode 100644 (file)
index 4baa7c6..0000000
+++ /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
-}