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- /*
- Copyright (C) 1997-2001 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 <float.h>
-
- #include "../client/client.h"
- #include "../client/snd_loc.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;
-
- cvar_t *s_wavonly;
-
- static qboolean dsound_init;
- static qboolean wav_init;
- static qboolean snd_firsttime = true, snd_isdirect, snd_iswave;
- static qboolean primary_format_set;
-
- // starts at 0 for disabled
- static int snd_buffer_count = 0;
- 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);
-
- void FreeSound( void );
-
- static const char *DSoundError( int error )
- {
- switch ( error )
- {
- case DSERR_BUFFERLOST:
- return "DSERR_BUFFERLOST";
- case DSERR_INVALIDCALL:
- return "DSERR_INVALIDCALLS";
- case DSERR_INVALIDPARAM:
- return "DSERR_INVALIDPARAM";
- case DSERR_PRIOLEVELNEEDED:
- return "DSERR_PRIOLEVELNEEDED";
- }
-
- return "unknown";
- }
-
- /*
- ** DS_CreateBuffers
- */
- static qboolean DS_CreateBuffers( void )
- {
- DSBUFFERDESC dsbuf;
- DSBCAPS dsbcaps;
- WAVEFORMATEX pformat, format;
- DWORD dwWrite;
-
- memset (&format, 0, sizeof(format));
- format.wFormatTag = WAVE_FORMAT_PCM;
- format.nChannels = dma.channels;
- format.wBitsPerSample = dma.samplebits;
- format.nSamplesPerSec = dma.speed;
- format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8;
- format.cbSize = 0;
- format.nAvgBytesPerSec = format.nSamplesPerSec*format.nBlockAlign;
-
- Com_Printf( "Creating DS buffers\n" );
-
- Com_DPrintf("...setting EXCLUSIVE coop level: " );
- if ( DS_OK != pDS->lpVtbl->SetCooperativeLevel( pDS, cl_hwnd, DSSCL_EXCLUSIVE ) )
- {
- Com_Printf ("failed\n");
- FreeSound ();
- return false;
- }
- Com_DPrintf("ok\n" );
-
- // 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;
-
- Com_DPrintf( "...creating primary buffer: " );
- if (DS_OK == pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSPBuf, NULL))
- {
- pformat = format;
-
- Com_DPrintf( "ok\n" );
- if (DS_OK != pDSPBuf->lpVtbl->SetFormat (pDSPBuf, &pformat))
- {
- if (snd_firsttime)
- Com_DPrintf ("...setting primary sound format: failed\n");
- }
- else
- {
- if (snd_firsttime)
- Com_DPrintf ("...setting primary sound format: ok\n");
-
- primary_format_set = true;
- }
- }
- else
- Com_Printf( "failed\n" );
-
- if ( !primary_format_set || !s_primary->value)
- {
- // 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);
-
- Com_DPrintf( "...creating secondary buffer: " );
- if (DS_OK != pDS->lpVtbl->CreateSoundBuffer(pDS, &dsbuf, &pDSBuf, NULL))
- {
- Com_Printf( "failed\n" );
- FreeSound ();
- return false;
- }
- Com_DPrintf( "ok\n" );
-
- dma.channels = format.nChannels;
- dma.samplebits = format.wBitsPerSample;
- dma.speed = format.nSamplesPerSec;
-
- if (DS_OK != pDSBuf->lpVtbl->GetCaps (pDSBuf, &dsbcaps))
- {
- Com_Printf ("*** GetCaps failed ***\n");
- FreeSound ();
- return false;
- }
-
- Com_Printf ("...using secondary sound buffer\n");
- }
- else
- {
- Com_Printf( "...using primary buffer\n" );
-
- Com_DPrintf( "...setting WRITEPRIMARY coop level: " );
- if (DS_OK != pDS->lpVtbl->SetCooperativeLevel (pDS, cl_hwnd, DSSCL_WRITEPRIMARY))
- {
- Com_Printf( "failed\n" );
- FreeSound ();
- return false;
- }
- Com_DPrintf( "ok\n" );
-
- if (DS_OK != pDSPBuf->lpVtbl->GetCaps (pDSPBuf, &dsbcaps))
- {
- Com_Printf ("*** GetCaps failed ***\n");
- return false;
- }
-
- pDSBuf = pDSPBuf;
- }
-
- // Make sure mixer is active
- pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
- if (snd_firsttime)
- Com_Printf(" %d channel(s)\n"
- " %d bits/sample\n"
- " %d bytes/sec\n",
- dma.channels, dma.samplebits, dma.speed);
-
- gSndBufSize = dsbcaps.dwBufferBytes;
-
- /* 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);
-
- dma.samples = gSndBufSize/(dma.samplebits/8);
- dma.samplepos = 0;
- dma.submission_chunk = 1;
- dma.buffer = (unsigned char *) lpData;
- sample16 = (dma.samplebits/8) - 1;
-
- return true;
- }
-
- /*
- ** DS_DestroyBuffers
- */
- static void DS_DestroyBuffers( void )
- {
- Com_DPrintf( "Destroying DS buffers\n" );
- if ( pDS )
- {
- Com_DPrintf( "...setting NORMAL coop level\n" );
- pDS->lpVtbl->SetCooperativeLevel( pDS, cl_hwnd, DSSCL_NORMAL );
- }
-
- if ( pDSBuf )
- {
- Com_DPrintf( "...stopping and releasing sound buffer\n" );
- 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 ) )
- {
- Com_DPrintf( "...releasing primary buffer\n" );
- pDSPBuf->lpVtbl->Release( pDSPBuf );
- }
- pDSBuf = NULL;
- pDSPBuf = NULL;
-
- dma.buffer = NULL;
- }
-
- /*
- ==================
- FreeSound
- ==================
- */
- void FreeSound (void)
- {
- int i;
-
- Com_DPrintf( "Shutting down sound system\n" );
-
- if ( pDS )
- DS_DestroyBuffers();
-
- if ( hWaveOut )
- {
- Com_DPrintf( "...resetting waveOut\n" );
- waveOutReset (hWaveOut);
-
- if (lpWaveHdr)
- {
- Com_DPrintf( "...unpreparing headers\n" );
- for (i=0 ; i< WAV_BUFFERS ; i++)
- waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR));
- }
-
- Com_DPrintf( "...closing waveOut\n" );
- waveOutClose (hWaveOut);
-
- if (hWaveHdr)
- {
- Com_DPrintf( "...freeing WAV header\n" );
- GlobalUnlock(hWaveHdr);
- GlobalFree(hWaveHdr);
- }
-
- if (hData)
- {
- Com_DPrintf( "...freeing WAV buffer\n" );
- GlobalUnlock(hData);
- GlobalFree(hData);
- }
-
- }
-
- if ( pDS )
- {
- Com_DPrintf( "...releasing DS object\n" );
- pDS->lpVtbl->Release( pDS );
- }
-
- if ( hInstDS )
- {
- Com_DPrintf( "...freeing DSOUND.DLL\n" );
- FreeLibrary( hInstDS );
- hInstDS = NULL;
- }
-
- 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)
- {
- DSCAPS dscaps;
- HRESULT hresult;
-
- dma.channels = 2;
- dma.samplebits = 16;
-
- if (s_khz->value == 44)
- dma.speed = 44100;
- if (s_khz->value == 22)
- dma.speed = 22050;
- else
- dma.speed = 11025;
-
- Com_Printf( "Initializing DirectSound\n");
-
- if ( !hInstDS )
- {
- Com_DPrintf( "...loading dsound.dll: " );
-
- hInstDS = LoadLibrary("dsound.dll");
-
- if (hInstDS == NULL)
- {
- Com_Printf ("failed\n");
- return SIS_FAILURE;
- }
-
- Com_DPrintf ("ok\n");
- pDirectSoundCreate = (void *)GetProcAddress(hInstDS,"DirectSoundCreate");
-
- if (!pDirectSoundCreate)
- {
- Com_Printf ("*** couldn't get DS proc addr ***\n");
- return SIS_FAILURE;
- }
- }
-
- Com_DPrintf( "...creating DS object: " );
- while ( ( hresult = iDirectSoundCreate( NULL, &pDS, NULL ) ) != DS_OK )
- {
- if (hresult != DSERR_ALLOCATED)
- {
- Com_Printf( "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)
- {
- Com_Printf ("failed, hardware already in use\n" );
- return SIS_NOTAVAIL;
- }
- }
- Com_DPrintf( "ok\n" );
-
- dscaps.dwSize = sizeof(dscaps);
-
- if ( DS_OK != pDS->lpVtbl->GetCaps( pDS, &dscaps ) )
- {
- Com_Printf ("*** couldn't get DS caps ***\n");
- }
-
- if ( dscaps.dwFlags & DSCAPS_EMULDRIVER )
- {
- Com_DPrintf ("...no DSound driver found\n" );
- FreeSound();
- return SIS_FAILURE;
- }
-
- if ( !DS_CreateBuffers() )
- return SIS_FAILURE;
-
- dsound_init = true;
-
- Com_DPrintf("...completed successfully\n" );
-
- return SIS_SUCCESS;
- }
-
-
- /*
- ==================
- SNDDM_InitWav
-
- Crappy windows multimedia base
- ==================
- */
- qboolean SNDDMA_InitWav (void)
- {
- WAVEFORMATEX format;
- int i;
- HRESULT hr;
-
- Com_Printf( "Initializing wave sound\n" );
-
- snd_sent = 0;
- snd_completed = 0;
-
- dma.channels = 2;
- dma.samplebits = 16;
-
- if (s_khz->value == 44)
- dma.speed = 44100;
- if (s_khz->value == 22)
- dma.speed = 22050;
- else
- dma.speed = 11025;
-
- memset (&format, 0, sizeof(format));
- format.wFormatTag = WAVE_FORMAT_PCM;
- format.nChannels = dma.channels;
- format.wBitsPerSample = dma.samplebits;
- format.nSamplesPerSec = dma.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. */
- Com_DPrintf ("...opening waveform device: ");
- while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER,
- &format,
- 0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR)
- {
- if (hr != MMSYSERR_ALLOCATED)
- {
- Com_Printf ("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 2 with no sound.",
- "Sound not available",
- MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
- {
- Com_Printf ("hw in use\n" );
- return false;
- }
- }
- Com_DPrintf( "ok\n" );
-
- /*
- * Allocate and lock memory for the waveform data. The memory
- * for waveform data must be globally allocated with
- * GMEM_MOVEABLE and GMEM_SHARE flags.
-
- */
- Com_DPrintf ("...allocating waveform buffer: ");
- gSndBufSize = WAV_BUFFERS*WAV_BUFFER_SIZE;
- hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, gSndBufSize);
- if (!hData)
- {
- Com_Printf( " failed\n" );
- FreeSound ();
- return false;
- }
- Com_DPrintf( "ok\n" );
-
- Com_DPrintf ("...locking waveform buffer: ");
- lpData = GlobalLock(hData);
- if (!lpData)
- {
- Com_Printf( " failed\n" );
- FreeSound ();
- return false;
- }
- memset (lpData, 0, gSndBufSize);
- Com_DPrintf( "ok\n" );
-
- /*
- * Allocate and lock memory for the header. This memory must
- * also be globally allocated with GMEM_MOVEABLE and
- * GMEM_SHARE flags.
- */
- Com_DPrintf ("...allocating waveform header: ");
- hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
- (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
-
- if (hWaveHdr == NULL)
- {
- Com_Printf( "failed\n" );
- FreeSound ();
- return false;
- }
- Com_DPrintf( "ok\n" );
-
- Com_DPrintf ("...locking waveform header: ");
- lpWaveHdr = (LPWAVEHDR) GlobalLock(hWaveHdr);
-
- if (lpWaveHdr == NULL)
- {
- Com_Printf( "failed\n" );
- FreeSound ();
- return false;
- }
- memset (lpWaveHdr, 0, sizeof(WAVEHDR) * WAV_BUFFERS);
- Com_DPrintf( "ok\n" );
-
- /* After allocation, set up and prepare headers. */
- Com_DPrintf ("...preparing 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)
- {
- Com_Printf ("failed\n");
- FreeSound ();
- return false;
- }
- }
- Com_DPrintf ("ok\n");
-
- dma.samples = gSndBufSize/(dma.samplebits/8);
- dma.samplepos = 0;
- dma.submission_chunk = 512;
- dma.buffer = (unsigned char *) lpData;
- sample16 = (dma.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;
-
- memset ((void *)&dma, 0, sizeof (dma));
-
- s_wavonly = Cvar_Get ("s_wavonly", "0", 0);
-
- dsound_init = wav_init = 0;
-
- stat = SIS_FAILURE; // assume DirectSound won't initialize
-
- /* Init DirectSound */
- if (!s_wavonly->value)
- {
- if (snd_firsttime || snd_isdirect)
- {
- stat = SNDDMA_InitDirect ();
-
- if (stat == SIS_SUCCESS)
- {
- snd_isdirect = true;
-
- if (snd_firsttime)
- Com_Printf ("dsound init succeeded\n" );
- }
- else
- {
- snd_isdirect = false;
- Com_Printf ("*** dsound init failed ***\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)
- Com_Printf ("Wave sound init succeeded\n");
- }
- else
- {
- Com_Printf ("Wave sound init failed\n");
- }
- }
- }
-
- snd_firsttime = false;
-
- snd_buffer_count = 1;
-
- if (!dsound_init && !wav_init)
- {
- if (snd_firsttime)
- Com_Printf ("*** 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 &= (dma.samples-1);
-
- return s;
- }
-
- /*
- ==============
- SNDDMA_BeginPainting
-
- Makes sure dma.buffer is valid
- ===============
- */
- DWORD locksize;
- void SNDDMA_BeginPainting (void)
- {
- int reps;
- DWORD dwSize2;
- DWORD *pbuf, *pbuf2;
- HRESULT hresult;
- DWORD dwStatus;
-
- if (!pDSBuf)
- return;
-
- // if the buffer was lost or stopped, restore it and/or restart it
- if (pDSBuf->lpVtbl->GetStatus (pDSBuf, &dwStatus) != DS_OK)
- Com_Printf ("Couldn't get sound buffer status\n");
-
- if (dwStatus & DSBSTATUS_BUFFERLOST)
- pDSBuf->lpVtbl->Restore (pDSBuf);
-
- if (!(dwStatus & DSBSTATUS_PLAYING))
- pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
- // lock the dsound buffer
-
- reps = 0;
- dma.buffer = NULL;
-
- while ((hresult = pDSBuf->lpVtbl->Lock(pDSBuf, 0, gSndBufSize, &pbuf, &locksize,
- &pbuf2, &dwSize2, 0)) != DS_OK)
- {
- if (hresult != DSERR_BUFFERLOST)
- {
- Com_Printf( "S_TransferStereo16: Lock failed with error '%s'\n", DSoundError( hresult ) );
- S_Shutdown ();
- return;
- }
- else
- {
- pDSBuf->lpVtbl->Restore( pDSBuf );
- }
-
- if (++reps > 2)
- return;
- }
- dma.buffer = (unsigned char *)pbuf;
- }
-
- /*
- ==============
- SNDDMA_Submit
-
- Send sound to device if buffer isn't really the dma buffer
- Also unlocks the dsound buffer
- ===============
- */
- void SNDDMA_Submit(void)
- {
- LPWAVEHDR h;
- int wResult;
-
- if (!dma.buffer)
- return;
-
- // unlock the dsound buffer
- if (pDSBuf)
- pDSBuf->lpVtbl->Unlock(pDSBuf, dma.buffer, locksize, NULL, 0);
-
- if (!wav_init)
- return;
-
- //
- // find which sound blocks have completed
- //
- while (1)
- {
- if ( snd_completed == snd_sent )
- {
- Com_DPrintf ("Sound overrun\n");
- break;
- }
-
- if ( ! (lpWaveHdr[ snd_completed & WAV_MASK].dwFlags & WHDR_DONE) )
- {
- break;
- }
-
- snd_completed++; // this buffer has been played
- }
-
- //Com_Printf ("completed %i\n", snd_completed);
- //
- // submit a few new sound blocks
- //
- while (((snd_sent - snd_completed) >> sample16) < 8)
- {
- h = lpWaveHdr + ( snd_sent&WAV_MASK );
- if (paintedtime/256 <= snd_sent)
- break; // Com_Printf ("submit overrun\n");
- //Com_Printf ("send %i\n", snd_sent);
- 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)
- {
- Com_Printf ("Failed to write block to device\n");
- FreeSound ();
- return;
- }
- }
- }
-
- /*
- ==============
- SNDDMA_Shutdown
-
- Reset the sound device for exiting
- ===============
- */
- void SNDDMA_Shutdown(void)
- {
- FreeSound ();
- }
-
-
- /*
- ===========
- S_Activate
-
- Called when the main window gains or loses focus.
- The window have been destroyed and recreated
- between a deactivate and an activate.
- ===========
- */
- void S_Activate (qboolean active)
- {
- if ( active )
- {
- if ( pDS && cl_hwnd && snd_isdirect )
- {
- DS_CreateBuffers();
- }
- }
- else
- {
- if ( pDS && cl_hwnd && snd_isdirect )
- {
- DS_DestroyBuffers();
- }
- }
- }
-
-