]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - snd_win.c
Configure all of the CL_MeshEntities* meshes the same, the material flags decide...
[xonotic/darkplaces.git] / snd_win.c
index 8197b256342316136c3ae4017d2eb8347bc279c8..080122487a821d438a0e25eaad3070e4139294f0 100644 (file)
--- a/snd_win.c
+++ b/snd_win.c
@@ -17,33 +17,99 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 */
-#include "quakedef.h"
-#include "snd_main.h"
+
+#ifdef SUPPORTDIRECTX
+#ifndef DIRECTSOUND_VERSION
+#      define DIRECTSOUND_VERSION 0x0500  /* Version 5.0 */
+#endif
+#endif
 #include <windows.h>
+#include <mmsystem.h>
+#ifdef SUPPORTDIRECTX
 #include <dsound.h>
+#endif
 
-extern HWND mainwindow;
+#include "qtypes.h"
+#include "quakedef.h"
+#include "snd_main.h"
+
+// ==============================================================================
+
+#ifndef _WAVEFORMATEXTENSIBLE_
+#define _WAVEFORMATEXTENSIBLE_
+typedef struct
+{
+       WAVEFORMATEX Format;
+       union
+       {
+               WORD wValidBitsPerSample;       // bits of precision
+               WORD wSamplesPerBlock;          // valid if wBitsPerSample==0
+               WORD wReserved;                         // If neither applies, set to zero
+       } Samples;
+    DWORD dwChannelMask;                       // which channels are present in stream
+    GUID SubFormat;
+} WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
+#endif
+
+#if !defined(WAVE_FORMAT_EXTENSIBLE)
+#      define WAVE_FORMAT_EXTENSIBLE 0xFFFE
+#endif
+
+// Some speaker positions
+#ifndef SPEAKER_FRONT_LEFT
+#      define SPEAKER_FRONT_LEFT                               0x1
+#      define SPEAKER_FRONT_RIGHT                              0x2
+#      define SPEAKER_FRONT_CENTER                             0x4
+#      define SPEAKER_LOW_FREQUENCY                    0x8
+#      define SPEAKER_BACK_LEFT                                0x10
+#      define SPEAKER_BACK_RIGHT                               0x20
+#      define SPEAKER_FRONT_LEFT_OF_CENTER             0x40
+#      define SPEAKER_FRONT_RIGHT_OF_CENTER    0x80
+// ... we never use the other values
+#endif
+
+// KSDATAFORMAT_SUBTYPE_PCM = GUID "00000001-0000-0010-8000-00aa00389b71"
+static const GUID MY_KSDATAFORMAT_SUBTYPE_PCM =
+{
+       0x00000001,
+       0x0000,
+       0x0010,
+       {
+               0x80, 0x00,
+               0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71
+       }
+};
+
+
+// ==============================================================================
 
-#define iDirectSoundCreate(a,b,c)      pDirectSoundCreate(a,b,c)
+extern HWND mainwindow;
+static cvar_t snd_wav_partitionsize = {CVAR_SAVE, "snd_wav_partitionsize", "1024", "controls sound delay in samples, values too low will cause crackling, too high will cause delayed sounds"};
+static qboolean sndsys_registeredcvars = false;
 
+#ifdef SUPPORTDIRECTX
 HRESULT (WINAPI *pDirectSoundCreate)(GUID FAR *lpGUID, LPDIRECTSOUND FAR *lplpDS, IUnknown FAR *pUnkOuter);
+#endif
 
-// Wave output: 64KB in 64 buffers of 1KB
-// (64KB is > 1 sec at 16-bit 22050 Hz mono, and is 1/3 sec at 16-bit 44100 Hz stereo)
-#define        WAV_BUFFERS                             64
-#define        WAV_MASK                                (WAV_BUFFERS - 1)
-#define        WAV_BUFFER_SIZE                 1024
+// Wave output: queue of this many sound buffers to play, reused cyclically
+#define        WAV_BUFFERS             16
+#define        WAV_MASK                (WAV_BUFFERS - 1)
+static unsigned int wav_buffer_size;
 
 // DirectSound output: 64KB in 1 buffer
-#define SECONDARY_BUFFER_SIZE  (64 * 1024)
+//#define SECONDARY_BUFFER_SIZE(fmt_ptr) ((fmt_ptr)->width * (fmt_ptr)->channels * (fmt_ptr)->speed / 2)
+// LordHavoc: changed this to be a multiple of 32768
+#define SECONDARY_BUFFER_SIZE(fmt_ptr) ((fmt_ptr)->channels * 32768)
 
-typedef enum {SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;
+typedef enum sndinitstat_e {SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;
 
-static qboolean        wavonly;
+#ifdef SUPPORTDIRECTX
 static qboolean        dsound_init;
-static qboolean        wav_init;
-static qboolean        snd_firsttime = true, snd_isdirect, snd_iswave;
+static unsigned int dsound_time;
 static qboolean        primary_format_set;
+#endif
+
+static qboolean        wav_init;
 
 static int     snd_sent, snd_completed;
 
@@ -51,6 +117,7 @@ static int prev_painted;
 static unsigned int paintpot;
 
 
+
 /*
  * Global variables. Must be visible to window-procedure function
  *  so it can unlock and free the data block after it has been played.
@@ -70,147 +137,98 @@ DWORD     gSndBufSize;
 
 DWORD  dwStartTime;
 
+#ifdef SUPPORTDIRECTX
 LPDIRECTSOUND pDS;
 LPDIRECTSOUNDBUFFER pDSBuf, pDSPBuf;
 
 HINSTANCE hInstDS;
+#endif
 
 qboolean SNDDMA_InitWav (void);
+#ifdef SUPPORTDIRECTX
 sndinitstat SNDDMA_InitDirect (void);
-
-/*
-==================
-S_BlockSound
-==================
-*/
-void S_BlockSound (void)
-{
-       // DirectSound takes care of blocking itself
-       if (snd_iswave)
-       {
-               snd_blocked++;
-
-               if (snd_blocked == 1)
-                       waveOutReset (hWaveOut);
-       }
-}
+#endif
 
 
 /*
 ==================
-S_UnblockSound
+SndSys_BuildWaveFormat
 ==================
 */
-void S_UnblockSound (void)
+static qboolean SndSys_BuildWaveFormat (const snd_format_t* requested, WAVEFORMATEXTENSIBLE* fmt_ptr)
 {
-       // DirectSound takes care of blocking itself
-       if (snd_iswave)
-               snd_blocked--;
-}
+       WAVEFORMATEX* pfmtex;
 
+       memset (fmt_ptr, 0, sizeof(*fmt_ptr));
 
-/*
-==================
-FreeSound
-==================
-*/
-void FreeSound (void)
-{
-       int             i;
+       pfmtex = &fmt_ptr->Format;
+       pfmtex->nChannels = requested->channels;
+    pfmtex->wBitsPerSample = requested->width * 8;
+    pfmtex->nSamplesPerSec = requested->speed;
+       pfmtex->nBlockAlign = pfmtex->nChannels * pfmtex->wBitsPerSample / 8;
+       pfmtex->nAvgBytesPerSec = pfmtex->nSamplesPerSec * pfmtex->nBlockAlign;
 
-       if (pDSBuf)
+       // LordHavoc: disabled this WAVE_FORMAT_EXTENSIBLE support because it does not seem to be working
+#if 0
+       if (requested->channels <= 2)
        {
-               pDSBuf->lpVtbl->Stop(pDSBuf);
-               pDSBuf->lpVtbl->Release(pDSBuf);
+#endif
+               pfmtex->wFormatTag = WAVE_FORMAT_PCM;
+               pfmtex->cbSize = 0;
+#if 0
        }
-
-       // only release primary buffer if it's not also the mixing buffer we just released
-       if (pDSPBuf && (pDSBuf != pDSPBuf))
-       {
-               pDSPBuf->lpVtbl->Release(pDSPBuf);
-       }
-
-       if (pDS)
-       {
-               pDS->lpVtbl->SetCooperativeLevel (pDS, mainwindow, DSSCL_NORMAL);
-               pDS->lpVtbl->Release(pDS);
-       }
-
-       if (hWaveOut)
+       else
        {
-               waveOutReset (hWaveOut);
-
-               if (lpWaveHdr)
-               {
-                       for (i=0 ; i< WAV_BUFFERS ; i++)
-                               waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR));
-               }
-
-               waveOutClose (hWaveOut);
-
-               if (hWaveHdr)
+               pfmtex->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+               pfmtex->cbSize = sizeof(*fmt_ptr) - sizeof(fmt_ptr->Format);
+               fmt_ptr->Samples.wValidBitsPerSample = fmt_ptr->Format.wBitsPerSample;
+               fmt_ptr->SubFormat = MY_KSDATAFORMAT_SUBTYPE_PCM;
+
+               // Build the channel mask
+               fmt_ptr->dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
+               switch (requested->channels)
                {
-                       GlobalUnlock(hWaveHdr);
-                       GlobalFree(hWaveHdr);
-               }
+                       case 8:
+                               fmt_ptr->dwChannelMask |= SPEAKER_FRONT_LEFT_OF_CENTER | SPEAKER_FRONT_RIGHT_OF_CENTER;
+                               // no break
+                       case 6:
+                               fmt_ptr->dwChannelMask |= SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY;
+                               // no break
+                       case 4:
+                               fmt_ptr->dwChannelMask |= SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
+                               break;
 
-               if (hData)
-               {
-                       GlobalUnlock(hData);
-                       GlobalFree(hData);
+                       default:
+                               Con_Printf("SndSys_BuildWaveFormat: invalid number of channels (%hu)\n", requested->channels);
+                               return false;
                }
-
        }
+#endif
 
-       pDS = NULL;
-       pDSBuf = NULL;
-       pDSPBuf = NULL;
-       hWaveOut = 0;
-       hData = 0;
-       hWaveHdr = 0;
-       lpData = NULL;
-       lpWaveHdr = NULL;
-       dsound_init = false;
-       wav_init = false;
+       return true;
 }
 
 
+#ifdef SUPPORTDIRECTX
 /*
 ==================
-SNDDMA_InitDirect
+SndSys_InitDirectSound
 
-Direct-Sound support
+DirectSound 5 support
 ==================
 */
-sndinitstat SNDDMA_InitDirect (void)
+static sndinitstat SndSys_InitDirectSound (const snd_format_t* requested)
 {
-       DSBUFFERDESC    dsbuf;
-       DSBCAPS                 dsbcaps;
-       DWORD                   dwSize;
-       DSCAPS                  dscaps;
-       WAVEFORMATEX    format, pformat;
-       HRESULT                 hresult;
-       int                             reps;
-       int i;
-
-       memset((void *)shm, 0, sizeof(*shm));
-       shm->format.channels = 2;
-       shm->format.width = 2;
-// COMMANDLINEOPTION: Windows Sound: -sndspeed <hz> chooses 44100 hz, 22100 hz, or 11025 hz sound output rate
-       i = COM_CheckParm ("-sndspeed");
-       if (i && i != (com_argc - 1))
-               shm->format.speed = atoi(com_argv[i+1]);
-       else
-               shm->format.speed = 44100;
-
-       memset (&format, 0, sizeof(format));
-       format.wFormatTag = WAVE_FORMAT_PCM;
-    format.nChannels = shm->format.channels;
-    format.wBitsPerSample = shm->format.width * 8;
-    format.nSamplesPerSec = shm->format.speed;
-    format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8;
-    format.cbSize = 0;
-    format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
+       DSBUFFERDESC                    dsbuf;
+       DSBCAPS                                 dsbcaps;
+       DWORD                                   dwSize;
+       DSCAPS                                  dscaps;
+       WAVEFORMATEXTENSIBLE    format, pformat;
+       HRESULT                                 hresult;
+       int                                             reps;
+
+       if (! SndSys_BuildWaveFormat(requested, &format))
+               return SIS_FAILURE;
 
        if (!hInstDS)
        {
@@ -222,7 +240,7 @@ sndinitstat SNDDMA_InitDirect (void)
                        return SIS_FAILURE;
                }
 
-               pDirectSoundCreate = (void *)GetProcAddress(hInstDS,"DirectSoundCreate");
+               pDirectSoundCreate = (HRESULT (__stdcall *)(GUID *, LPDIRECTSOUND *,IUnknown *))GetProcAddress(hInstDS,"DirectSoundCreate");
 
                if (!pDirectSoundCreate)
                {
@@ -231,7 +249,7 @@ sndinitstat SNDDMA_InitDirect (void)
                }
        }
 
-       while ((hresult = iDirectSoundCreate(NULL, &pDS, NULL)) != DS_OK)
+       while ((hresult = pDirectSoundCreate(NULL, &pDS, NULL)) != DS_OK)
        {
                if (hresult != DSERR_ALLOCATED)
                {
@@ -252,7 +270,7 @@ sndinitstat SNDDMA_InitDirect (void)
 
        dscaps.dwSize = sizeof(dscaps);
 
-       if (DS_OK != pDS->lpVtbl->GetCaps (pDS, &dscaps))
+       if (DS_OK != IDirectSound_GetCaps (pDS, &dscaps))
        {
                Con_Print("Couldn't get DS caps\n");
        }
@@ -260,14 +278,14 @@ sndinitstat SNDDMA_InitDirect (void)
        if (dscaps.dwFlags & DSCAPS_EMULDRIVER)
        {
                Con_Print("No DirectSound driver installed\n");
-               FreeSound ();
+               SndSys_Shutdown ();
                return SIS_FAILURE;
        }
 
-       if (DS_OK != pDS->lpVtbl->SetCooperativeLevel (pDS, mainwindow, DSSCL_EXCLUSIVE))
+       if (DS_OK != IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_EXCLUSIVE))
        {
                Con_Print("Set coop level failed\n");
-               FreeSound ();
+               SndSys_Shutdown ();
                return SIS_FAILURE;
        }
 
@@ -286,19 +304,17 @@ sndinitstat SNDDMA_InitDirect (void)
 // COMMANDLINEOPTION: Windows DirectSound: -snoforceformat uses the format that DirectSound returns, rather than forcing it
        if (!COM_CheckParm ("-snoforceformat"))
        {
-               if (DS_OK == pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSPBuf, NULL))
+               if (DS_OK == IDirectSound_CreateSoundBuffer(pDS, &dsbuf, &pDSPBuf, NULL))
                {
                        pformat = format;
 
-                       if (DS_OK != pDSPBuf->lpVtbl->SetFormat (pDSPBuf, &pformat))
+                       if (DS_OK != IDirectSoundBuffer_SetFormat (pDSPBuf, (WAVEFORMATEX*)&pformat))
                        {
-                               if (snd_firsttime)
-                                       Con_Print("Set primary sound buffer format: no\n");
+                               Con_Print("Set primary sound buffer format: no\n");
                        }
                        else
                        {
-                               if (snd_firsttime)
-                                       Con_Print("Set primary sound buffer format: yes\n");
+                               Con_Print("Set primary sound buffer format: yes\n");
 
                                primary_format_set = true;
                        }
@@ -308,47 +324,49 @@ sndinitstat SNDDMA_InitDirect (void)
 // COMMANDLINEOPTION: Windows DirectSound: -primarysound locks the sound hardware for exclusive use
        if (!primary_format_set || !COM_CheckParm ("-primarysound"))
        {
+               HRESULT result;
+
                // create the secondary buffer we'll actually work with
                memset (&dsbuf, 0, sizeof(dsbuf));
                dsbuf.dwSize = sizeof(DSBUFFERDESC);
                dsbuf.dwFlags = DSBCAPS_CTRLFREQUENCY | DSBCAPS_LOCSOFTWARE;
-               dsbuf.dwBufferBytes = SECONDARY_BUFFER_SIZE;
-               dsbuf.lpwfxFormat = &format;
+               dsbuf.dwBufferBytes = SECONDARY_BUFFER_SIZE(requested);
+               dsbuf.lpwfxFormat = (WAVEFORMATEX*)&format;
 
                memset(&dsbcaps, 0, sizeof(dsbcaps));
                dsbcaps.dwSize = sizeof(dsbcaps);
 
-               if (DS_OK != pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSBuf, NULL))
+               result = IDirectSound_CreateSoundBuffer(pDS, &dsbuf, &pDSBuf, NULL);
+               if (result != DS_OK ||
+                       requested->channels != format.Format.nChannels ||
+                       requested->width != format.Format.wBitsPerSample / 8 ||
+                       requested->speed != format.Format.nSamplesPerSec)
                {
-                       Con_Print("DS:CreateSoundBuffer Failed\n");
-                       FreeSound ();
+                       Con_Printf("DS:CreateSoundBuffer Failed (%d): channels=%u, width=%u, speed=%u\n",
+                                          (int)result, (unsigned)format.Format.nChannels, (unsigned)format.Format.wBitsPerSample / 8, (unsigned)format.Format.nSamplesPerSec);
+                       SndSys_Shutdown ();
                        return SIS_FAILURE;
                }
 
-               shm->format.channels = format.nChannels;
-               shm->format.width = format.wBitsPerSample / 8;
-               shm->format.speed = format.nSamplesPerSec;
-
-               if (DS_OK != pDSBuf->lpVtbl->GetCaps (pDSBuf, &dsbcaps))
+               if (DS_OK != IDirectSoundBuffer_GetCaps (pDSBuf, &dsbcaps))
                {
                        Con_Print("DS:GetCaps failed\n");
-                       FreeSound ();
+                       SndSys_Shutdown ();
                        return SIS_FAILURE;
                }
 
-               if (snd_firsttime)
-                       Con_Print("Using secondary sound buffer\n");
+               Con_Print("Using secondary sound buffer\n");
        }
        else
        {
-               if (DS_OK != pDS->lpVtbl->SetCooperativeLevel (pDS, mainwindow, DSSCL_WRITEPRIMARY))
+               if (DS_OK != IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_WRITEPRIMARY))
                {
                        Con_Print("Set coop level failed\n");
-                       FreeSound ();
+                       SndSys_Shutdown ();
                        return SIS_FAILURE;
                }
 
-               if (DS_OK != pDSPBuf->lpVtbl->GetCaps (pDSPBuf, &dsbcaps))
+               if (DS_OK != IDirectSoundBuffer_GetCaps (pDSPBuf, &dsbcaps))
                {
                        Con_Print("DS:GetCaps failed\n");
                        return SIS_FAILURE;
@@ -359,96 +377,71 @@ sndinitstat SNDDMA_InitDirect (void)
        }
 
        // Make sure mixer is active
-       pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
+       IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
 
-       if (snd_firsttime)
-               Con_Printf("   %d channel(s)\n"
-                              "   %d bits/sample\n"
-                                          "   %d samples/sec\n",
-                                          shm->format.channels, shm->format.width * 8, shm->format.speed);
+       Con_Printf("   %d channel(s)\n"
+                               "   %d bits/sample\n"
+                               "   %d samples/sec\n",
+                               requested->channels, requested->width * 8, requested->speed);
 
        gSndBufSize = dsbcaps.dwBufferBytes;
 
        // initialize the buffer
        reps = 0;
 
-       while ((hresult = pDSBuf->lpVtbl->Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&lpData, &dwSize, NULL, NULL, 0)) != DS_OK)
+       while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&lpData, &dwSize, NULL, NULL, 0)) != DS_OK)
        {
                if (hresult != DSERR_BUFFERLOST)
                {
                        Con_Print("SNDDMA_InitDirect: DS::Lock Sound Buffer Failed\n");
-                       FreeSound ();
+                       SndSys_Shutdown ();
                        return SIS_FAILURE;
                }
 
                if (++reps > 10000)
                {
                        Con_Print("SNDDMA_InitDirect: DS: couldn't restore buffer\n");
-                       FreeSound ();
+                       SndSys_Shutdown ();
                        return SIS_FAILURE;
                }
 
        }
 
        memset(lpData, 0, dwSize);
+       IDirectSoundBuffer_Unlock(pDSBuf, lpData, dwSize, NULL, 0);
 
-       pDSBuf->lpVtbl->Unlock(pDSBuf, lpData, dwSize, NULL, 0);
+       IDirectSoundBuffer_Stop(pDSBuf);
+       IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
 
-       // we don't want anyone to access the buffer directly w/o locking it first.
-       lpData = NULL;
-
-       pDSBuf->lpVtbl->Stop(pDSBuf);
-       pDSBuf->lpVtbl->GetCurrentPosition(pDSBuf, &dwStartTime, NULL);
-       pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
-       shm->samples = gSndBufSize / shm->format.width;
-       shm->samplepos = 0;
-       shm->buffer = (unsigned char *) lpData;
+       dwStartTime = 0;
+       dsound_time = 0;
+       snd_renderbuffer = Snd_CreateRingBuffer(requested, gSndBufSize / (requested->width * requested->channels), lpData);
 
        dsound_init = true;
 
        return SIS_SUCCESS;
 }
+#endif
 
 
 /*
 ==================
-SNDDM_InitWav
+SndSys_InitMmsystem
 
 Crappy windows multimedia base
 ==================
 */
-qboolean SNDDMA_InitWav (void)
+static qboolean SndSys_InitMmsystem (const snd_format_t* requested)
 {
-       WAVEFORMATEX  format;
+       WAVEFORMATEXTENSIBLE format;
        int                             i;
        HRESULT                 hr;
 
-       snd_sent = 0;
-       snd_completed = 0;
-
-       memset((void *)shm, 0, sizeof(*shm));
-       shm->format.channels = 2;
-       shm->format.width = 2;
-// COMMANDLINEOPTION: Windows Sound: -sndspeed <hz> chooses 44100 hz, 22100 hz, or 11025 hz sound output rate
-       i = COM_CheckParm ("-sndspeed");
-       if (i && i != (com_argc - 1))
-               shm->format.speed = atoi(com_argv[i+1]);
-       else
-               shm->format.speed = 44100;
-
-       memset (&format, 0, sizeof(format));
-       format.wFormatTag = WAVE_FORMAT_PCM;
-       format.nChannels = shm->format.channels;
-       format.wBitsPerSample = shm->format.width * 8;
-       format.nSamplesPerSec = shm->format.speed;
-       format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8;
-       format.cbSize = 0;
-       format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
+       if (! SndSys_BuildWaveFormat(requested, &format))
+               return false;
 
        // Open a waveform device for output using window callback
-       while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER,
-                                       &format,
+       while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER, (WAVEFORMATEX*)&format,
                                        0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR)
        {
                if (hr != MMSYSERR_ALLOCATED)
@@ -468,24 +461,26 @@ qboolean SNDDMA_InitWav (void)
                }
        }
 
+       wav_buffer_size = bound(128, snd_wav_partitionsize.integer, 8192) * requested->channels * requested->width;
+
        /*
         * Allocate and lock memory for the waveform data. The memory
         * for waveform data must be globally allocated with
         * GMEM_MOVEABLE and GMEM_SHARE flags.
         */
-       gSndBufSize = WAV_BUFFERS*WAV_BUFFER_SIZE;
+       gSndBufSize = WAV_BUFFERS * wav_buffer_size;
        hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, gSndBufSize);
        if (!hData)
        {
                Con_Print("Sound: Out of memory.\n");
-               FreeSound ();
+               SndSys_Shutdown ();
                return false;
        }
-       lpData = GlobalLock(hData);
+       lpData = (HPSTR)GlobalLock(hData);
        if (!lpData)
        {
                Con_Print("Sound: Failed to lock.\n");
-               FreeSound ();
+               SndSys_Shutdown ();
                return false;
        }
        memset (lpData, 0, gSndBufSize);
@@ -495,13 +490,12 @@ qboolean SNDDMA_InitWav (void)
         * also be globally allocated with GMEM_MOVEABLE and
         * GMEM_SHARE flags.
         */
-       hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
-               (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
+       hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
 
        if (hWaveHdr == NULL)
        {
                Con_Print("Sound: Failed to Alloc header.\n");
-               FreeSound ();
+               SndSys_Shutdown ();
                return false;
        }
 
@@ -510,7 +504,7 @@ qboolean SNDDMA_InitWav (void)
        if (lpWaveHdr == NULL)
        {
                Con_Print("Sound: Failed to lock header.\n");
-               FreeSound ();
+               SndSys_Shutdown ();
                return false;
        }
 
@@ -519,154 +513,183 @@ qboolean SNDDMA_InitWav (void)
        // After allocation, set up and prepare headers
        for (i=0 ; i<WAV_BUFFERS ; i++)
        {
-               lpWaveHdr[i].dwBufferLength = WAV_BUFFER_SIZE;
-               lpWaveHdr[i].lpData = lpData + i*WAV_BUFFER_SIZE;
+               lpWaveHdr[i].dwBufferLength = wav_buffer_size;
+               lpWaveHdr[i].lpData = lpData + i * wav_buffer_size;
 
-               if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) !=
-                               MMSYSERR_NOERROR)
+               if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) != MMSYSERR_NOERROR)
                {
                        Con_Print("Sound: failed to prepare wave headers\n");
-                       FreeSound ();
+                       SndSys_Shutdown ();
                        return false;
                }
        }
 
-       shm->samples = gSndBufSize / shm->format.width;
-       shm->samplepos = 0;
-       shm->buffer = (unsigned char *) lpData;
+       snd_renderbuffer = Snd_CreateRingBuffer(requested, gSndBufSize / (requested->width * requested->channels), lpData);
 
        prev_painted = 0;
        paintpot = 0;
 
+       snd_sent = 0;
+       snd_completed = 0;
+
        wav_init = true;
 
        return true;
 }
 
+
 /*
-==================
-SNDDMA_Init
+====================
+SndSys_Init
 
-Try to find a sound device to mix for.
-Returns false if nothing is found.
-==================
+Create "snd_renderbuffer" with the proper sound format if the call is successful
+May return a suggested format if the requested format isn't available
+====================
 */
-qboolean SNDDMA_Init(void)
+qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 {
+#ifdef SUPPORTDIRECTX
+       qboolean wavonly;
+#endif
        sndinitstat     stat;
 
-// COMMANDLINEOPTION: Windows Sound: -wavonly uses wave sound instead of DirectSound
-       if (COM_CheckParm ("-wavonly"))
-               wavonly = true;
+       if (!sndsys_registeredcvars)
+       {
+               sndsys_registeredcvars = true;
+               Cvar_RegisterVariable(&snd_wav_partitionsize);
+       }
 
-       dsound_init = wav_init = 0;
+       Con_Print ("SndSys_Init: using the Win32 module\n");
+
+#ifdef SUPPORTDIRECTX
+// COMMANDLINEOPTION: Windows Sound: -wavonly uses wave sound instead of DirectSound
+       wavonly = (COM_CheckParm ("-wavonly") != 0);
+       dsound_init = false;
+#endif
+       wav_init = false;
 
        stat = SIS_FAILURE;     // assume DirectSound won't initialize
 
+#ifdef SUPPORTDIRECTX
        // Init DirectSound
        if (!wavonly)
        {
-               if (snd_firsttime || snd_isdirect)
-               {
-                       stat = SNDDMA_InitDirect ();
-
-                       if (stat == SIS_SUCCESS)
-                       {
-                               snd_isdirect = true;
+               stat = SndSys_InitDirectSound (requested);
 
-                               if (snd_firsttime)
-                                       Con_Print("DirectSound initialized\n");
-                       }
-                       else
-                       {
-                               snd_isdirect = false;
-                               Con_Print("DirectSound failed to init\n");
-                       }
-               }
+               if (stat == SIS_SUCCESS)
+                       Con_Print("DirectSound initialized\n");
+               else
+                       Con_Print("DirectSound failed to init\n");
        }
+#endif
 
        // if DirectSound didn't succeed in initializing, try to initialize
        // waveOut sound, unless DirectSound failed because the hardware is
        // already allocated (in which case the user has already chosen not
        // to have sound)
+#ifdef SUPPORTDIRECTX
        if (!dsound_init && (stat != SIS_NOTAVAIL))
+#endif
        {
-               if (snd_firsttime || snd_iswave)
-               {
-
-                       snd_iswave = SNDDMA_InitWav ();
-
-                       if (snd_iswave)
-                       {
-                               if (snd_firsttime)
-                                       Con_Print("Wave sound initialized\n");
-                       }
-                       else
-                       {
-                               Con_Print("Wave sound failed to init\n");
-                       }
-               }
+               if (SndSys_InitMmsystem (requested))
+                       Con_Print("Wave sound (MMSYSTEM) initialized\n");
+               else
+                       Con_Print("Wave sound failed to init\n");
        }
 
-       snd_firsttime = false;
-
-       if (!dsound_init && !wav_init)
-               return 0;
-
-       return 1;
+#ifdef SUPPORTDIRECTX
+       return (dsound_init || wav_init);
+#else
+       return wav_init;
+#endif
 }
 
+
 /*
-==============
-SNDDMA_GetDMAPos
+====================
+SndSys_Shutdown
 
-return the current sample position (in mono samples read)
-inside the recirculating dma buffer, so the mixing code will know
-how many sample are required to fill it up.
-===============
+Stop the sound card, delete "snd_renderbuffer" and free its other resources
+====================
 */
-int SNDDMA_GetDMAPos(void)
+void SndSys_Shutdown (void)
 {
-       DWORD dwTime, s;
+#ifdef SUPPORTDIRECTX
+       if (pDSBuf)
+       {
+               IDirectSoundBuffer_Stop(pDSBuf);
+               IDirectSoundBuffer_Release(pDSBuf);
+       }
 
-       if (dsound_init)
+       // only release primary buffer if it's not also the mixing buffer we just released
+       if (pDSPBuf && (pDSBuf != pDSPBuf))
        {
-               pDSBuf->lpVtbl->GetCurrentPosition(pDSBuf, &dwTime, NULL);
-               s = dwTime - dwStartTime;
+               IDirectSoundBuffer_Release(pDSPBuf);
        }
-       else if (wav_init)
+
+       if (pDS)
        {
-               // Find which sound blocks have completed
-               for (;;)
+               IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_NORMAL);
+               IDirectSound_Release(pDS);
+       }
+#endif
+
+       if (hWaveOut)
+       {
+               waveOutReset (hWaveOut);
+
+               if (lpWaveHdr)
                {
-                       if (snd_completed == snd_sent)
-                       {
-                               Con_DPrint("Sound overrun\n");
-                               break;
-                       }
+                       unsigned int i;
 
-                       if (!(lpWaveHdr[snd_completed & WAV_MASK].dwFlags & WHDR_DONE))
-                               break;
+                       for (i=0 ; i< WAV_BUFFERS ; i++)
+                               waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR));
+               }
 
-                       snd_completed++;        // this buffer has been played
+               waveOutClose (hWaveOut);
+
+               if (hWaveHdr)
+               {
+                       GlobalUnlock(hWaveHdr);
+                       GlobalFree(hWaveHdr);
                }
 
-               s = snd_completed * WAV_BUFFER_SIZE;
+               if (hData)
+               {
+                       GlobalUnlock(hData);
+                       GlobalFree(hData);
+               }
+       }
+
+       if (snd_renderbuffer != NULL)
+       {
+               Mem_Free(snd_renderbuffer);
+               snd_renderbuffer = NULL;
        }
-       else
-               return 0;
 
-       return (s >> (shm->format.width - 1)) & (shm->samples - 1);
+#ifdef SUPPORTDIRECTX
+       pDS = NULL;
+       pDSBuf = NULL;
+       pDSPBuf = NULL;
+       dsound_init = false;
+#endif
+       hWaveOut = 0;
+       hData = 0;
+       hWaveHdr = 0;
+       lpData = NULL;
+       lpWaveHdr = NULL;
+       wav_init = false;
 }
 
+
 /*
-==============
-SNDDMA_Submit
+====================
+SndSys_Submit
 
-Send sound to device if buffer isn't really the dma buffer
-===============
+Submit the contents of "snd_renderbuffer" to the sound card
+====================
 */
-void SNDDMA_Submit(void)
+void SndSys_Submit (void)
 {
        LPWAVEHDR       h;
        int                     wResult;
@@ -675,51 +698,127 @@ void SNDDMA_Submit(void)
        if (!wav_init)
                return;
 
-       paintpot += (paintedtime - prev_painted) * shm->format.channels * shm->format.width;
-       prev_painted = paintedtime;
+       paintpot += (snd_renderbuffer->endframe - prev_painted) * snd_renderbuffer->format.channels * snd_renderbuffer->format.width;
+       if (paintpot > WAV_BUFFERS * wav_buffer_size)
+               paintpot = WAV_BUFFERS * wav_buffer_size;
+       prev_painted = snd_renderbuffer->endframe;
 
        // submit new sound blocks
-       while (paintpot > WAV_BUFFER_SIZE)
+       while (paintpot > wav_buffer_size)
        {
                h = lpWaveHdr + (snd_sent & WAV_MASK);
 
-               snd_sent++;
                /*
                 * Now the data block can be sent to the output device. The
                 * waveOutWrite function returns immediately and waveform
                 * data is sent to the output device in the background.
                 */
                wResult = waveOutWrite(hWaveOut, h, sizeof(WAVEHDR));
-
-               if (wResult != MMSYSERR_NOERROR)
+               if (wResult == MMSYSERR_NOERROR)
+                       snd_sent++;
+               else if (wResult == WAVERR_STILLPLAYING)
+               {
+                       if(developer_insane.integer)
+                               Con_DPrint("waveOutWrite failed (too much sound data)\n");
+                       //h->dwFlags |= WHDR_DONE;
+                       //snd_sent++;
+               }
+               else
                {
-                       Con_Print("Failed to write block to device\n");
-                       FreeSound ();
+                       Con_Printf("waveOutWrite failed, error code %d\n", (int) wResult);
+                       SndSys_Shutdown ();
                        return;
                }
 
-               paintpot -= WAV_BUFFER_SIZE;
+               paintpot -= wav_buffer_size;
        }
+
 }
 
+
 /*
-==============
-SNDDMA_Shutdown
+====================
+SndSys_GetSoundTime
 
-Reset the sound device for exiting
-===============
+Returns the number of sample frames consumed since the sound started
+====================
 */
-void SNDDMA_Shutdown(void)
+unsigned int SndSys_GetSoundTime (void)
 {
-       FreeSound ();
+       unsigned int factor;
+
+       factor = snd_renderbuffer->format.width * snd_renderbuffer->format.channels;
+
+#ifdef SUPPORTDIRECTX
+       if (dsound_init)
+       {
+               DWORD dwTime;
+               unsigned int diff;
+
+               IDirectSoundBuffer_GetCurrentPosition(pDSBuf, &dwTime, NULL);
+               diff = (unsigned int)(dwTime - dwStartTime) % (unsigned int)gSndBufSize;
+               dwStartTime = dwTime;
+
+               dsound_time += diff / factor;
+               return dsound_time;
+       }
+#endif
+
+       if (wav_init)
+       {
+               // Find which sound blocks have completed
+               for (;;)
+               {
+                       if (snd_completed == snd_sent)
+                       {
+                       //      Con_DPrint("Sound overrun\n");
+                               break;
+                       }
+
+                       if (!(lpWaveHdr[snd_completed & WAV_MASK].dwFlags & WHDR_DONE))
+                               break;
+
+                       snd_completed++;        // this buffer has been played
+               }
+
+               return (snd_completed * wav_buffer_size) / factor;
+
+               /*
+                * S_PaintAndSubmit: WARNING: newsoundtime (soundtime (275 < 134217707)
+                * apparently this sound time wraps quite early?
+               {
+               MMRESULT res;
+               MMTIME mmtime;
+
+               mmtime.wType = TIME_SAMPLES;
+               res = waveOutGetPosition(hWaveOut, &mmtime, sizeof(mmtime));
+               if(res == MMSYSERR_NOERROR)
+                       return mmtime.u.sample;
+               }
+               */
+       }
+
+       return 0;
 }
 
-DWORD dsound_dwSize;
-DWORD dsound_dwSize2;
-DWORD *dsound_pbuf;
-DWORD *dsound_pbuf2;
-void *S_LockBuffer(void)
+
+#ifdef SUPPORTDIRECTX
+static DWORD dsound_dwSize;
+static DWORD dsound_dwSize2;
+static DWORD *dsound_pbuf;
+static DWORD *dsound_pbuf2;
+#endif
+
+/*
+====================
+SndSys_LockRenderBuffer
+
+Get the exclusive lock on "snd_renderbuffer"
+====================
+*/
+qboolean SndSys_LockRenderBuffer (void)
 {
+#ifdef SUPPORTDIRECTX
        int reps;
        HRESULT hresult;
        DWORD   dwStatus;
@@ -727,25 +826,28 @@ void *S_LockBuffer(void)
        if (pDSBuf)
        {
                // if the buffer was lost or stopped, restore it and/or restart it
-               if (pDSBuf->lpVtbl->GetStatus (pDSBuf, &dwStatus) != DS_OK)
+               if (IDirectSoundBuffer_GetStatus (pDSBuf, &dwStatus) != DS_OK)
                        Con_Print("Couldn't get sound buffer status\n");
 
                if (dwStatus & DSBSTATUS_BUFFERLOST)
-                       pDSBuf->lpVtbl->Restore (pDSBuf);
+               {
+                       Con_Print("DSound buffer is lost!!\n");
+                       IDirectSoundBuffer_Restore (pDSBuf);
+               }
 
                if (!(dwStatus & DSBSTATUS_PLAYING))
-                       pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
+                       IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
 
                reps = 0;
 
-               while ((hresult = pDSBuf->lpVtbl->Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&dsound_pbuf, &dsound_dwSize, (LPVOID*)&dsound_pbuf2, &dsound_dwSize2, 0)) != DS_OK)
+               while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&dsound_pbuf, &dsound_dwSize, (LPVOID*)&dsound_pbuf2, &dsound_dwSize2, 0)) != DS_OK)
                {
                        if (hresult != DSERR_BUFFERLOST)
                        {
                                Con_Print("S_LockBuffer: DS: Lock Sound Buffer Failed\n");
                                S_Shutdown ();
                                S_Startup ();
-                               return NULL;
+                               return false;
                        }
 
                        if (++reps > 10000)
@@ -753,18 +855,43 @@ void *S_LockBuffer(void)
                                Con_Print("S_LockBuffer: DS: couldn't restore buffer\n");
                                S_Shutdown ();
                                S_Startup ();
-                               return NULL;
+                               return false;
                        }
                }
-               return dsound_pbuf;
+
+               if ((void*)dsound_pbuf != snd_renderbuffer->ring)
+                       Sys_Error("SndSys_LockRenderBuffer: the ring address has changed!!!\n");
+               return true;
        }
-       else
-               return shm->buffer;
+#endif
+
+       return wav_init;
 }
 
-void S_UnlockBuffer(void)
+
+/*
+====================
+SndSys_UnlockRenderBuffer
+
+Release the exclusive lock on "snd_renderbuffer"
+====================
+*/
+void SndSys_UnlockRenderBuffer (void)
 {
+#ifdef SUPPORTDIRECTX
        if (pDSBuf)
-               pDSBuf->lpVtbl->Unlock(pDSBuf, dsound_pbuf, dsound_dwSize, dsound_pbuf2, dsound_dwSize2);
+               IDirectSoundBuffer_Unlock(pDSBuf, dsound_pbuf, dsound_dwSize, dsound_pbuf2, dsound_dwSize2);
+#endif
 }
 
+/*
+====================
+SndSys_SendKeyEvents
+
+Send keyboard events originating from the sound system (e.g. MIDI)
+====================
+*/
+void SndSys_SendKeyEvents(void)
+{
+       // not supported
+}