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authorwyatt8740 <wyatt8740@yahoo.com>2014-01-06 12:02:16 -0500
committerwyatt8740 <wyatt8740@yahoo.com>2014-01-06 12:02:16 -0500
commita8f828a066773a59fdf646299359d35ae0e845af (patch)
tree86123409fc6f231cf4136e81159b63cb1e9ec102 /WinQuake/snd_win.c
parentb2951690415054ae8705c07f8df7a4ba7cde382a (diff)
downloadquake-pum-a8f828a066773a59fdf646299359d35ae0e845af.tar.gz
Removed accidental upload of copyrighted map files
Diffstat (limited to 'WinQuake/snd_win.c')
-rw-r--r--WinQuake/snd_win.c1458
1 files changed, 729 insertions, 729 deletions
diff --git a/WinQuake/snd_win.c b/WinQuake/snd_win.c
index 11028c4..b0b2bf5 100644
--- a/WinQuake/snd_win.c
+++ b/WinQuake/snd_win.c
@@ -1,729 +1,729 @@
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-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 "winquake.h"
-
-#define iDirectSoundCreate(a,b,c) pDirectSoundCreate(a,b,c)
-
-HRESULT (WINAPI *pDirectSoundCreate)(GUID FAR *lpGUID, LPDIRECTSOUND FAR *lplpDS, IUnknown FAR *pUnkOuter);
-
-// 64K is > 1 second at 16-bit, 22050 Hz
-#define WAV_BUFFERS 64
-#define WAV_MASK 0x3F
-#define WAV_BUFFER_SIZE 0x0400
-#define SECONDARY_BUFFER_SIZE 0x10000
-
-typedef enum {SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;
-
-static qboolean wavonly;
-static qboolean dsound_init;
-static qboolean wav_init;
-static qboolean snd_firsttime = true, snd_isdirect, snd_iswave;
-static qboolean primary_format_set;
-
-static int sample16;
-static int snd_sent, snd_completed;
-
-
-/*
- * Global variables. Must be visible to window-procedure function
- * so it can unlock and free the data block after it has been played.
- */
-
-HANDLE hData;
-HPSTR lpData, lpData2;
-
-HGLOBAL hWaveHdr;
-LPWAVEHDR lpWaveHdr;
-
-HWAVEOUT hWaveOut;
-
-WAVEOUTCAPS wavecaps;
-
-DWORD gSndBufSize;
-
-MMTIME mmstarttime;
-
-LPDIRECTSOUND pDS;
-LPDIRECTSOUNDBUFFER pDSBuf, pDSPBuf;
-
-HINSTANCE hInstDS;
-
-qboolean SNDDMA_InitDirect (void);
-qboolean SNDDMA_InitWav (void);
-
-
-/*
-==================
-S_BlockSound
-==================
-*/
-void S_BlockSound (void)
-{
-
-// DirectSound takes care of blocking itself
- if (snd_iswave)
- {
- snd_blocked++;
-
- if (snd_blocked == 1)
- {
- waveOutReset (hWaveOut);
- }
- }
-}
-
-
-/*
-==================
-S_UnblockSound
-==================
-*/
-void S_UnblockSound (void)
-{
-
-// DirectSound takes care of blocking itself
- if (snd_iswave)
- {
- snd_blocked--;
- }
-}
-
-
-/*
-==================
-FreeSound
-==================
-*/
-void FreeSound (void)
-{
- int i;
-
- if (pDSBuf)
- {
- pDSBuf->lpVtbl->Stop(pDSBuf);
- pDSBuf->lpVtbl->Release(pDSBuf);
- }
-
-// 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)
- {
- waveOutReset (hWaveOut);
-
- if (lpWaveHdr)
- {
- for (i=0 ; i< WAV_BUFFERS ; i++)
- waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR));
- }
-
- waveOutClose (hWaveOut);
-
- if (hWaveHdr)
- {
- GlobalUnlock(hWaveHdr);
- GlobalFree(hWaveHdr);
- }
-
- if (hData)
- {
- GlobalUnlock(hData);
- GlobalFree(hData);
- }
-
- }
-
- pDS = NULL;
- pDSBuf = NULL;
- pDSPBuf = NULL;
- hWaveOut = 0;
- hData = 0;
- hWaveHdr = 0;
- lpData = NULL;
- lpWaveHdr = NULL;
- dsound_init = false;
- wav_init = false;
-}
-
-
-/*
-==================
-SNDDMA_InitDirect
-
-Direct-Sound support
-==================
-*/
-sndinitstat SNDDMA_InitDirect (void)
-{
- DSBUFFERDESC dsbuf;
- DSBCAPS dsbcaps;
- DWORD dwSize, dwWrite;
- DSCAPS dscaps;
- WAVEFORMATEX format, pformat;
- HRESULT hresult;
- int reps;
-
- memset ((void *)&sn, 0, sizeof (sn));
-
- shm = &sn;
-
- shm->channels = 2;
- shm->samplebits = 16;
- shm->speed = 11025;
-
- memset (&format, 0, sizeof(format));
- format.wFormatTag = WAVE_FORMAT_PCM;
- format.nChannels = shm->channels;
- format.wBitsPerSample = shm->samplebits;
- format.nSamplesPerSec = shm->speed;
- format.nBlockAlign = format.nChannels
- *format.wBitsPerSample / 8;
- format.cbSize = 0;
- format.nAvgBytesPerSec = format.nSamplesPerSec
- *format.nBlockAlign;
-
- if (!hInstDS)
- {
- hInstDS = LoadLibrary("dsound.dll");
-
- if (hInstDS == NULL)
- {
- Con_SafePrintf ("Couldn't load dsound.dll\n");
- return SIS_FAILURE;
- }
-
- pDirectSoundCreate = (void *)GetProcAddress(hInstDS,"DirectSoundCreate");
-
- if (!pDirectSoundCreate)
- {
- Con_SafePrintf ("Couldn't get DS proc addr\n");
- return SIS_FAILURE;
- }
- }
-
- while ((hresult = iDirectSoundCreate(NULL, &pDS, NULL)) != DS_OK)
- {
- if (hresult != DSERR_ALLOCATED)
- {
- Con_SafePrintf ("DirectSound create failed\n");
- return SIS_FAILURE;
- }
-
- if (MessageBox (NULL,
- "The sound hardware is in use by another app.\n\n"
- "Select Retry to try to start sound again or Cancel to run Quake with no sound.",
- "Sound not available",
- MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
- {
- Con_SafePrintf ("DirectSoundCreate failure\n"
- " hardware already in use\n");
- return SIS_NOTAVAIL;
- }
- }
-
- dscaps.dwSize = sizeof(dscaps);
-
- if (DS_OK != pDS->lpVtbl->GetCaps (pDS, &dscaps))
- {
- Con_SafePrintf ("Couldn't get DS caps\n");
- }
-
- if (dscaps.dwFlags & DSCAPS_EMULDRIVER)
- {
- Con_SafePrintf ("No DirectSound driver installed\n");
- FreeSound ();
- return SIS_FAILURE;
- }
-
- if (DS_OK != pDS->lpVtbl->SetCooperativeLevel (pDS, mainwindow, DSSCL_EXCLUSIVE))
- {
- Con_SafePrintf ("Set coop level failed\n");
- FreeSound ();
- return SIS_FAILURE;
- }
-
-// get access to the primary buffer, if possible, so we can set the
-// sound hardware format
- memset (&dsbuf, 0, sizeof(dsbuf));
- dsbuf.dwSize = sizeof(DSBUFFERDESC);
- dsbuf.dwFlags = DSBCAPS_PRIMARYBUFFER;
- dsbuf.dwBufferBytes = 0;
- dsbuf.lpwfxFormat = NULL;
-
- memset(&dsbcaps, 0, sizeof(dsbcaps));
- dsbcaps.dwSize = sizeof(dsbcaps);
- primary_format_set = false;
-
- if (!COM_CheckParm ("-snoforceformat"))
- {
- if (DS_OK == pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSPBuf, NULL))
- {
- pformat = format;
-
- if (DS_OK != pDSPBuf->lpVtbl->SetFormat (pDSPBuf, &pformat))
- {
- if (snd_firsttime)
- Con_SafePrintf ("Set primary sound buffer format: no\n");
- }
- else
- {
- if (snd_firsttime)
- Con_SafePrintf ("Set primary sound buffer format: yes\n");
-
- primary_format_set = true;
- }
- }
- }
-
- if (!primary_format_set || !COM_CheckParm ("-primarysound"))
- {
- // 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;
-
- memset(&dsbcaps, 0, sizeof(dsbcaps));
- dsbcaps.dwSize = sizeof(dsbcaps);
-
- if (DS_OK != pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSBuf, NULL))
- {
- Con_SafePrintf ("DS:CreateSoundBuffer Failed");
- FreeSound ();
- return SIS_FAILURE;
- }
-
- shm->channels = format.nChannels;
- shm->samplebits = format.wBitsPerSample;
- shm->speed = format.nSamplesPerSec;
-
- if (DS_OK != pDSBuf->lpVtbl->GetCaps (pDSBuf, &dsbcaps))
- {
- Con_SafePrintf ("DS:GetCaps failed\n");
- FreeSound ();
- return SIS_FAILURE;
- }
-
- if (snd_firsttime)
- Con_SafePrintf ("Using secondary sound buffer\n");
- }
- else
- {
- if (DS_OK != pDS->lpVtbl->SetCooperativeLevel (pDS, mainwindow, DSSCL_WRITEPRIMARY))
- {
- Con_SafePrintf ("Set coop level failed\n");
- FreeSound ();
- return SIS_FAILURE;
- }
-
- if (DS_OK != pDSPBuf->lpVtbl->GetCaps (pDSPBuf, &dsbcaps))
- {
- Con_Printf ("DS:GetCaps failed\n");
- return SIS_FAILURE;
- }
-
- pDSBuf = pDSPBuf;
- Con_SafePrintf ("Using primary sound buffer\n");
- }
-
- // Make sure mixer is active
- pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
- if (snd_firsttime)
- Con_SafePrintf(" %d channel(s)\n"
- " %d bits/sample\n"
- " %d bytes/sec\n",
- shm->channels, shm->samplebits, shm->speed);
-
- gSndBufSize = dsbcaps.dwBufferBytes;
-
-// initialize the buffer
- reps = 0;
-
- while ((hresult = pDSBuf->lpVtbl->Lock(pDSBuf, 0, gSndBufSize, &lpData, &dwSize, NULL, NULL, 0)) != DS_OK)
- {
- if (hresult != DSERR_BUFFERLOST)
- {
- Con_SafePrintf ("SNDDMA_InitDirect: DS::Lock Sound Buffer Failed\n");
- FreeSound ();
- return SIS_FAILURE;
- }
-
- if (++reps > 10000)
- {
- Con_SafePrintf ("SNDDMA_InitDirect: DS: couldn't restore buffer\n");
- FreeSound ();
- return SIS_FAILURE;
- }
-
- }
-
- memset(lpData, 0, dwSize);
-// lpData[4] = lpData[5] = 0x7f; // force a pop for debugging
-
- pDSBuf->lpVtbl->Unlock(pDSBuf, lpData, dwSize, NULL, 0);
-
- /* 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, &mmstarttime.u.sample, &dwWrite);
- pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
- shm->soundalive = true;
- shm->splitbuffer = false;
- shm->samples = gSndBufSize/(shm->samplebits/8);
- shm->samplepos = 0;
- shm->submission_chunk = 1;
- shm->buffer = (unsigned char *) lpData;
- sample16 = (shm->samplebits/8) - 1;
-
- dsound_init = true;
-
- return SIS_SUCCESS;
-}
-
-
-/*
-==================
-SNDDM_InitWav
-
-Crappy windows multimedia base
-==================
-*/
-qboolean SNDDMA_InitWav (void)
-{
- WAVEFORMATEX format;
- int i;
- HRESULT hr;
-
- snd_sent = 0;
- snd_completed = 0;
-
- shm = &sn;
-
- shm->channels = 2;
- shm->samplebits = 16;
- shm->speed = 11025;
-
- memset (&format, 0, sizeof(format));
- format.wFormatTag = WAVE_FORMAT_PCM;
- format.nChannels = shm->channels;
- format.wBitsPerSample = shm->samplebits;
- format.nSamplesPerSec = shm->speed;
- format.nBlockAlign = format.nChannels
- *format.wBitsPerSample / 8;
- format.cbSize = 0;
- format.nAvgBytesPerSec = format.nSamplesPerSec
- *format.nBlockAlign;
-
- /* Open a waveform device for output using window callback. */
- while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER,
- &format,
- 0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR)
- {
- if (hr != MMSYSERR_ALLOCATED)
- {
- Con_SafePrintf ("waveOutOpen failed\n");
- return false;
- }
-
- if (MessageBox (NULL,
- "The sound hardware is in use by another app.\n\n"
- "Select Retry to try to start sound again or Cancel to run Quake with no sound.",
- "Sound not available",
- MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
- {
- Con_SafePrintf ("waveOutOpen failure;\n"
- " hardware already in use\n");
- return false;
- }
- }
-
- /*
- * 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;
- hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, gSndBufSize);
- if (!hData)
- {
- Con_SafePrintf ("Sound: Out of memory.\n");
- FreeSound ();
- return false;
- }
- lpData = GlobalLock(hData);
- if (!lpData)
- {
- Con_SafePrintf ("Sound: Failed to lock.\n");
- FreeSound ();
- return false;
- }
- memset (lpData, 0, gSndBufSize);
-
- /*
- * Allocate and lock memory for the header. This memory must
- * also be globally allocated with GMEM_MOVEABLE and
- * GMEM_SHARE flags.
- */
- hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
- (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
-
- if (hWaveHdr == NULL)
- {
- Con_SafePrintf ("Sound: Failed to Alloc header.\n");
- FreeSound ();
- return false;
- }
-
- lpWaveHdr = (LPWAVEHDR) GlobalLock(hWaveHdr);
-
- if (lpWaveHdr == NULL)
- {
- Con_SafePrintf ("Sound: Failed to lock header.\n");
- FreeSound ();
- return false;
- }
-
- memset (lpWaveHdr, 0, sizeof(WAVEHDR) * WAV_BUFFERS);
-
- /* 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;
-
- if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) !=
- MMSYSERR_NOERROR)
- {
- Con_SafePrintf ("Sound: failed to prepare wave headers\n");
- FreeSound ();
- return false;
- }
- }
-
- shm->soundalive = true;
- shm->splitbuffer = false;
- shm->samples = gSndBufSize/(shm->samplebits/8);
- shm->samplepos = 0;
- shm->submission_chunk = 1;
- shm->buffer = (unsigned char *) lpData;
- sample16 = (shm->samplebits/8) - 1;
-
- wav_init = true;
-
- return true;
-}
-
-/*
-==================
-SNDDMA_Init
-
-Try to find a sound device to mix for.
-Returns false if nothing is found.
-==================
-*/
-
-int SNDDMA_Init(void)
-{
- sndinitstat stat;
-
- if (COM_CheckParm ("-wavonly"))
- wavonly = true;
-
- dsound_init = wav_init = 0;
-
- stat = SIS_FAILURE; // assume DirectSound won't initialize
-
- /* Init DirectSound */
- if (!wavonly)
- {
- if (snd_firsttime || snd_isdirect)
- {
- stat = SNDDMA_InitDirect ();;
-
- if (stat == SIS_SUCCESS)
- {
- snd_isdirect = true;
-
- if (snd_firsttime)
- Con_SafePrintf ("DirectSound initialized\n");
- }
- else
- {
- snd_isdirect = false;
- Con_SafePrintf ("DirectSound failed to init\n");
- }
- }
- }
-
-// 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)
- if (!dsound_init && (stat != SIS_NOTAVAIL))
- {
- if (snd_firsttime || snd_iswave)
- {
-
- snd_iswave = SNDDMA_InitWav ();
-
- if (snd_iswave)
- {
- if (snd_firsttime)
- Con_SafePrintf ("Wave sound initialized\n");
- }
- else
- {
- Con_SafePrintf ("Wave sound failed to init\n");
- }
- }
- }
-
- snd_firsttime = false;
-
- if (!dsound_init && !wav_init)
- {
- if (snd_firsttime)
- Con_SafePrintf ("No sound device initialized\n");
-
- return 0;
- }
-
- return 1;
-}
-
-/*
-==============
-SNDDMA_GetDMAPos
-
-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.
-===============
-*/
-int SNDDMA_GetDMAPos(void)
-{
- MMTIME mmtime;
- int s;
- DWORD dwWrite;
-
- if (dsound_init)
- {
- mmtime.wType = TIME_SAMPLES;
- pDSBuf->lpVtbl->GetCurrentPosition(pDSBuf, &mmtime.u.sample, &dwWrite);
- s = mmtime.u.sample - mmstarttime.u.sample;
- }
- else if (wav_init)
- {
- s = snd_sent * WAV_BUFFER_SIZE;
- }
-
-
- s >>= sample16;
-
- s &= (shm->samples-1);
-
- return s;
-}
-
-/*
-==============
-SNDDMA_Submit
-
-Send sound to device if buffer isn't really the dma buffer
-===============
-*/
-void SNDDMA_Submit(void)
-{
- LPWAVEHDR h;
- int wResult;
-
- if (!wav_init)
- return;
-
- //
- // find which sound blocks have completed
- //
- while (1)
- {
- if ( snd_completed == snd_sent )
- {
- Con_DPrintf ("Sound overrun\n");
- break;
- }
-
- if ( ! (lpWaveHdr[ snd_completed & WAV_MASK].dwFlags & WHDR_DONE) )
- {
- break;
- }
-
- snd_completed++; // this buffer has been played
- }
-
- //
- // submit two new sound blocks
- //
- while (((snd_sent - snd_completed) >> sample16) < 4)
- {
- 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)
- {
- Con_SafePrintf ("Failed to write block to device\n");
- FreeSound ();
- return;
- }
- }
-}
-
-/*
-==============
-SNDDMA_Shutdown
-
-Reset the sound device for exiting
-===============
-*/
-void SNDDMA_Shutdown(void)
-{
- FreeSound ();
-}
-
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+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 "winquake.h"
+
+#define iDirectSoundCreate(a,b,c) pDirectSoundCreate(a,b,c)
+
+HRESULT (WINAPI *pDirectSoundCreate)(GUID FAR *lpGUID, LPDIRECTSOUND FAR *lplpDS, IUnknown FAR *pUnkOuter);
+
+// 64K is > 1 second at 16-bit, 22050 Hz
+#define WAV_BUFFERS 64
+#define WAV_MASK 0x3F
+#define WAV_BUFFER_SIZE 0x0400
+#define SECONDARY_BUFFER_SIZE 0x10000
+
+typedef enum {SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;
+
+static qboolean wavonly;
+static qboolean dsound_init;
+static qboolean wav_init;
+static qboolean snd_firsttime = true, snd_isdirect, snd_iswave;
+static qboolean primary_format_set;
+
+static int sample16;
+static int snd_sent, snd_completed;
+
+
+/*
+ * Global variables. Must be visible to window-procedure function
+ * so it can unlock and free the data block after it has been played.
+ */
+
+HANDLE hData;
+HPSTR lpData, lpData2;
+
+HGLOBAL hWaveHdr;
+LPWAVEHDR lpWaveHdr;
+
+HWAVEOUT hWaveOut;
+
+WAVEOUTCAPS wavecaps;
+
+DWORD gSndBufSize;
+
+MMTIME mmstarttime;
+
+LPDIRECTSOUND pDS;
+LPDIRECTSOUNDBUFFER pDSBuf, pDSPBuf;
+
+HINSTANCE hInstDS;
+
+qboolean SNDDMA_InitDirect (void);
+qboolean SNDDMA_InitWav (void);
+
+
+/*
+==================
+S_BlockSound
+==================
+*/
+void S_BlockSound (void)
+{
+
+// DirectSound takes care of blocking itself
+ if (snd_iswave)
+ {
+ snd_blocked++;
+
+ if (snd_blocked == 1)
+ {
+ waveOutReset (hWaveOut);
+ }
+ }
+}
+
+
+/*
+==================
+S_UnblockSound
+==================
+*/
+void S_UnblockSound (void)
+{
+
+// DirectSound takes care of blocking itself
+ if (snd_iswave)
+ {
+ snd_blocked--;
+ }
+}
+
+
+/*
+==================
+FreeSound
+==================
+*/
+void FreeSound (void)
+{
+ int i;
+
+ if (pDSBuf)
+ {
+ pDSBuf->lpVtbl->Stop(pDSBuf);
+ pDSBuf->lpVtbl->Release(pDSBuf);
+ }
+
+// 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)
+ {
+ waveOutReset (hWaveOut);
+
+ if (lpWaveHdr)
+ {
+ for (i=0 ; i< WAV_BUFFERS ; i++)
+ waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR));
+ }
+
+ waveOutClose (hWaveOut);
+
+ if (hWaveHdr)
+ {
+ GlobalUnlock(hWaveHdr);
+ GlobalFree(hWaveHdr);
+ }
+
+ if (hData)
+ {
+ GlobalUnlock(hData);
+ GlobalFree(hData);
+ }
+
+ }
+
+ pDS = NULL;
+ pDSBuf = NULL;
+ pDSPBuf = NULL;
+ hWaveOut = 0;
+ hData = 0;
+ hWaveHdr = 0;
+ lpData = NULL;
+ lpWaveHdr = NULL;
+ dsound_init = false;
+ wav_init = false;
+}
+
+
+/*
+==================
+SNDDMA_InitDirect
+
+Direct-Sound support
+==================
+*/
+sndinitstat SNDDMA_InitDirect (void)
+{
+ DSBUFFERDESC dsbuf;
+ DSBCAPS dsbcaps;
+ DWORD dwSize, dwWrite;
+ DSCAPS dscaps;
+ WAVEFORMATEX format, pformat;
+ HRESULT hresult;
+ int reps;
+
+ memset ((void *)&sn, 0, sizeof (sn));
+
+ shm = &sn;
+
+ shm->channels = 2;
+ shm->samplebits = 16;
+ shm->speed = 11025;
+
+ memset (&format, 0, sizeof(format));
+ format.wFormatTag = WAVE_FORMAT_PCM;
+ format.nChannels = shm->channels;
+ format.wBitsPerSample = shm->samplebits;
+ format.nSamplesPerSec = shm->speed;
+ format.nBlockAlign = format.nChannels
+ *format.wBitsPerSample / 8;
+ format.cbSize = 0;
+ format.nAvgBytesPerSec = format.nSamplesPerSec
+ *format.nBlockAlign;
+
+ if (!hInstDS)
+ {
+ hInstDS = LoadLibrary("dsound.dll");
+
+ if (hInstDS == NULL)
+ {
+ Con_SafePrintf ("Couldn't load dsound.dll\n");
+ return SIS_FAILURE;
+ }
+
+ pDirectSoundCreate = (void *)GetProcAddress(hInstDS,"DirectSoundCreate");
+
+ if (!pDirectSoundCreate)
+ {
+ Con_SafePrintf ("Couldn't get DS proc addr\n");
+ return SIS_FAILURE;
+ }
+ }
+
+ while ((hresult = iDirectSoundCreate(NULL, &pDS, NULL)) != DS_OK)
+ {
+ if (hresult != DSERR_ALLOCATED)
+ {
+ Con_SafePrintf ("DirectSound create failed\n");
+ return SIS_FAILURE;
+ }
+
+ if (MessageBox (NULL,
+ "The sound hardware is in use by another app.\n\n"
+ "Select Retry to try to start sound again or Cancel to run Quake with no sound.",
+ "Sound not available",
+ MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
+ {
+ Con_SafePrintf ("DirectSoundCreate failure\n"
+ " hardware already in use\n");
+ return SIS_NOTAVAIL;
+ }
+ }
+
+ dscaps.dwSize = sizeof(dscaps);
+
+ if (DS_OK != pDS->lpVtbl->GetCaps (pDS, &dscaps))
+ {
+ Con_SafePrintf ("Couldn't get DS caps\n");
+ }
+
+ if (dscaps.dwFlags & DSCAPS_EMULDRIVER)
+ {
+ Con_SafePrintf ("No DirectSound driver installed\n");
+ FreeSound ();
+ return SIS_FAILURE;
+ }
+
+ if (DS_OK != pDS->lpVtbl->SetCooperativeLevel (pDS, mainwindow, DSSCL_EXCLUSIVE))
+ {
+ Con_SafePrintf ("Set coop level failed\n");
+ FreeSound ();
+ return SIS_FAILURE;
+ }
+
+// get access to the primary buffer, if possible, so we can set the
+// sound hardware format
+ memset (&dsbuf, 0, sizeof(dsbuf));
+ dsbuf.dwSize = sizeof(DSBUFFERDESC);
+ dsbuf.dwFlags = DSBCAPS_PRIMARYBUFFER;
+ dsbuf.dwBufferBytes = 0;
+ dsbuf.lpwfxFormat = NULL;
+
+ memset(&dsbcaps, 0, sizeof(dsbcaps));
+ dsbcaps.dwSize = sizeof(dsbcaps);
+ primary_format_set = false;
+
+ if (!COM_CheckParm ("-snoforceformat"))
+ {
+ if (DS_OK == pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSPBuf, NULL))
+ {
+ pformat = format;
+
+ if (DS_OK != pDSPBuf->lpVtbl->SetFormat (pDSPBuf, &pformat))
+ {
+ if (snd_firsttime)
+ Con_SafePrintf ("Set primary sound buffer format: no\n");
+ }
+ else
+ {
+ if (snd_firsttime)
+ Con_SafePrintf ("Set primary sound buffer format: yes\n");
+
+ primary_format_set = true;
+ }
+ }
+ }
+
+ if (!primary_format_set || !COM_CheckParm ("-primarysound"))
+ {
+ // 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;
+
+ memset(&dsbcaps, 0, sizeof(dsbcaps));
+ dsbcaps.dwSize = sizeof(dsbcaps);
+
+ if (DS_OK != pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSBuf, NULL))
+ {
+ Con_SafePrintf ("DS:CreateSoundBuffer Failed");
+ FreeSound ();
+ return SIS_FAILURE;
+ }
+
+ shm->channels = format.nChannels;
+ shm->samplebits = format.wBitsPerSample;
+ shm->speed = format.nSamplesPerSec;
+
+ if (DS_OK != pDSBuf->lpVtbl->GetCaps (pDSBuf, &dsbcaps))
+ {
+ Con_SafePrintf ("DS:GetCaps failed\n");
+ FreeSound ();
+ return SIS_FAILURE;
+ }
+
+ if (snd_firsttime)
+ Con_SafePrintf ("Using secondary sound buffer\n");
+ }
+ else
+ {
+ if (DS_OK != pDS->lpVtbl->SetCooperativeLevel (pDS, mainwindow, DSSCL_WRITEPRIMARY))
+ {
+ Con_SafePrintf ("Set coop level failed\n");
+ FreeSound ();
+ return SIS_FAILURE;
+ }
+
+ if (DS_OK != pDSPBuf->lpVtbl->GetCaps (pDSPBuf, &dsbcaps))
+ {
+ Con_Printf ("DS:GetCaps failed\n");
+ return SIS_FAILURE;
+ }
+
+ pDSBuf = pDSPBuf;
+ Con_SafePrintf ("Using primary sound buffer\n");
+ }
+
+ // Make sure mixer is active
+ pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
+
+ if (snd_firsttime)
+ Con_SafePrintf(" %d channel(s)\n"
+ " %d bits/sample\n"
+ " %d bytes/sec\n",
+ shm->channels, shm->samplebits, shm->speed);
+
+ gSndBufSize = dsbcaps.dwBufferBytes;
+
+// initialize the buffer
+ reps = 0;
+
+ while ((hresult = pDSBuf->lpVtbl->Lock(pDSBuf, 0, gSndBufSize, &lpData, &dwSize, NULL, NULL, 0)) != DS_OK)
+ {
+ if (hresult != DSERR_BUFFERLOST)
+ {
+ Con_SafePrintf ("SNDDMA_InitDirect: DS::Lock Sound Buffer Failed\n");
+ FreeSound ();
+ return SIS_FAILURE;
+ }
+
+ if (++reps > 10000)
+ {
+ Con_SafePrintf ("SNDDMA_InitDirect: DS: couldn't restore buffer\n");
+ FreeSound ();
+ return SIS_FAILURE;
+ }
+
+ }
+
+ memset(lpData, 0, dwSize);
+// lpData[4] = lpData[5] = 0x7f; // force a pop for debugging
+
+ pDSBuf->lpVtbl->Unlock(pDSBuf, lpData, dwSize, NULL, 0);
+
+ /* 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, &mmstarttime.u.sample, &dwWrite);
+ pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
+
+ shm->soundalive = true;
+ shm->splitbuffer = false;
+ shm->samples = gSndBufSize/(shm->samplebits/8);
+ shm->samplepos = 0;
+ shm->submission_chunk = 1;
+ shm->buffer = (unsigned char *) lpData;
+ sample16 = (shm->samplebits/8) - 1;
+
+ dsound_init = true;
+
+ return SIS_SUCCESS;
+}
+
+
+/*
+==================
+SNDDM_InitWav
+
+Crappy windows multimedia base
+==================
+*/
+qboolean SNDDMA_InitWav (void)
+{
+ WAVEFORMATEX format;
+ int i;
+ HRESULT hr;
+
+ snd_sent = 0;
+ snd_completed = 0;
+
+ shm = &sn;
+
+ shm->channels = 2;
+ shm->samplebits = 16;
+ shm->speed = 11025;
+
+ memset (&format, 0, sizeof(format));
+ format.wFormatTag = WAVE_FORMAT_PCM;
+ format.nChannels = shm->channels;
+ format.wBitsPerSample = shm->samplebits;
+ format.nSamplesPerSec = shm->speed;
+ format.nBlockAlign = format.nChannels
+ *format.wBitsPerSample / 8;
+ format.cbSize = 0;
+ format.nAvgBytesPerSec = format.nSamplesPerSec
+ *format.nBlockAlign;
+
+ /* Open a waveform device for output using window callback. */
+ while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER,
+ &format,
+ 0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR)
+ {
+ if (hr != MMSYSERR_ALLOCATED)
+ {
+ Con_SafePrintf ("waveOutOpen failed\n");
+ return false;
+ }
+
+ if (MessageBox (NULL,
+ "The sound hardware is in use by another app.\n\n"
+ "Select Retry to try to start sound again or Cancel to run Quake with no sound.",
+ "Sound not available",
+ MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
+ {
+ Con_SafePrintf ("waveOutOpen failure;\n"
+ " hardware already in use\n");
+ return false;
+ }
+ }
+
+ /*
+ * 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;
+ hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, gSndBufSize);
+ if (!hData)
+ {
+ Con_SafePrintf ("Sound: Out of memory.\n");
+ FreeSound ();
+ return false;
+ }
+ lpData = GlobalLock(hData);
+ if (!lpData)
+ {
+ Con_SafePrintf ("Sound: Failed to lock.\n");
+ FreeSound ();
+ return false;
+ }
+ memset (lpData, 0, gSndBufSize);
+
+ /*
+ * Allocate and lock memory for the header. This memory must
+ * also be globally allocated with GMEM_MOVEABLE and
+ * GMEM_SHARE flags.
+ */
+ hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
+ (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
+
+ if (hWaveHdr == NULL)
+ {
+ Con_SafePrintf ("Sound: Failed to Alloc header.\n");
+ FreeSound ();
+ return false;
+ }
+
+ lpWaveHdr = (LPWAVEHDR) GlobalLock(hWaveHdr);
+
+ if (lpWaveHdr == NULL)
+ {
+ Con_SafePrintf ("Sound: Failed to lock header.\n");
+ FreeSound ();
+ return false;
+ }
+
+ memset (lpWaveHdr, 0, sizeof(WAVEHDR) * WAV_BUFFERS);
+
+ /* 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;
+
+ if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) !=
+ MMSYSERR_NOERROR)
+ {
+ Con_SafePrintf ("Sound: failed to prepare wave headers\n");
+ FreeSound ();
+ return false;
+ }
+ }
+
+ shm->soundalive = true;
+ shm->splitbuffer = false;
+ shm->samples = gSndBufSize/(shm->samplebits/8);
+ shm->samplepos = 0;
+ shm->submission_chunk = 1;
+ shm->buffer = (unsigned char *) lpData;
+ sample16 = (shm->samplebits/8) - 1;
+
+ wav_init = true;
+
+ return true;
+}
+
+/*
+==================
+SNDDMA_Init
+
+Try to find a sound device to mix for.
+Returns false if nothing is found.
+==================
+*/
+
+int SNDDMA_Init(void)
+{
+ sndinitstat stat;
+
+ if (COM_CheckParm ("-wavonly"))
+ wavonly = true;
+
+ dsound_init = wav_init = 0;
+
+ stat = SIS_FAILURE; // assume DirectSound won't initialize
+
+ /* Init DirectSound */
+ if (!wavonly)
+ {
+ if (snd_firsttime || snd_isdirect)
+ {
+ stat = SNDDMA_InitDirect ();;
+
+ if (stat == SIS_SUCCESS)
+ {
+ snd_isdirect = true;
+
+ if (snd_firsttime)
+ Con_SafePrintf ("DirectSound initialized\n");
+ }
+ else
+ {
+ snd_isdirect = false;
+ Con_SafePrintf ("DirectSound failed to init\n");
+ }
+ }
+ }
+
+// 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)
+ if (!dsound_init && (stat != SIS_NOTAVAIL))
+ {
+ if (snd_firsttime || snd_iswave)
+ {
+
+ snd_iswave = SNDDMA_InitWav ();
+
+ if (snd_iswave)
+ {
+ if (snd_firsttime)
+ Con_SafePrintf ("Wave sound initialized\n");
+ }
+ else
+ {
+ Con_SafePrintf ("Wave sound failed to init\n");
+ }
+ }
+ }
+
+ snd_firsttime = false;
+
+ if (!dsound_init && !wav_init)
+ {
+ if (snd_firsttime)
+ Con_SafePrintf ("No sound device initialized\n");
+
+ return 0;
+ }
+
+ return 1;
+}
+
+/*
+==============
+SNDDMA_GetDMAPos
+
+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.
+===============
+*/
+int SNDDMA_GetDMAPos(void)
+{
+ MMTIME mmtime;
+ int s;
+ DWORD dwWrite;
+
+ if (dsound_init)
+ {
+ mmtime.wType = TIME_SAMPLES;
+ pDSBuf->lpVtbl->GetCurrentPosition(pDSBuf, &mmtime.u.sample, &dwWrite);
+ s = mmtime.u.sample - mmstarttime.u.sample;
+ }
+ else if (wav_init)
+ {
+ s = snd_sent * WAV_BUFFER_SIZE;
+ }
+
+
+ s >>= sample16;
+
+ s &= (shm->samples-1);
+
+ return s;
+}
+
+/*
+==============
+SNDDMA_Submit
+
+Send sound to device if buffer isn't really the dma buffer
+===============
+*/
+void SNDDMA_Submit(void)
+{
+ LPWAVEHDR h;
+ int wResult;
+
+ if (!wav_init)
+ return;
+
+ //
+ // find which sound blocks have completed
+ //
+ while (1)
+ {
+ if ( snd_completed == snd_sent )
+ {
+ Con_DPrintf ("Sound overrun\n");
+ break;
+ }
+
+ if ( ! (lpWaveHdr[ snd_completed & WAV_MASK].dwFlags & WHDR_DONE) )
+ {
+ break;
+ }
+
+ snd_completed++; // this buffer has been played
+ }
+
+ //
+ // submit two new sound blocks
+ //
+ while (((snd_sent - snd_completed) >> sample16) < 4)
+ {
+ 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)
+ {
+ Con_SafePrintf ("Failed to write block to device\n");
+ FreeSound ();
+ return;
+ }
+ }
+}
+
+/*
+==============
+SNDDMA_Shutdown
+
+Reset the sound device for exiting
+===============
+*/
+void SNDDMA_Shutdown(void)
+{
+ FreeSound ();
+}
+