snd_win.c File Reference

#include <float.h>
#include "../client/client.h"
#include "../client/snd_loc.h"
#include "winquake.h"

Go to the source code of this file.

Macros
#define	iDirectSoundCreate(a, b, c)   pDirectSoundCreate(a,b,c)
#define	WAV_BUFFERS   64
#define	WAV_MASK   0x3F
#define	WAV_BUFFER_SIZE   0x0400
#define	SECONDARY_BUFFER_SIZE   0x10000

Enumerations
enum	sndinitstat { SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL }

Functions
	HRESULT (WINAPI *pDirectSoundCreate)(GUID FAR *lpGUID
qboolean	SNDDMA_InitDirect (void)
qboolean	SNDDMA_InitWav (void)
void	FreeSound (void)
static const char *	DSoundError (int error)
static qboolean	DS_CreateBuffers (void)
static void	DS_DestroyBuffers (void)
int	SNDDMA_Init (void)
int	SNDDMA_GetDMAPos (void)
void	SNDDMA_BeginPainting (void)
void	SNDDMA_Submit (void)
void	SNDDMA_Shutdown (void)
void	S_Activate (qboolean active)

Variables
LPDIRECTSOUND FAR *	lplpDS
LPDIRECTSOUND FAR IUnknown FAR *	pUnkOuter
cvar_t *	s_wavonly
static qboolean	dsound_init
static qboolean	wav_init
static qboolean	snd_firsttime = true
static qboolean	snd_isdirect
static qboolean	snd_iswave
static qboolean	primary_format_set
static int	snd_buffer_count = 0
static int	sample16
static int	snd_sent
static int	snd_completed
HANDLE	hData
HPSTR	lpData
HPSTR	lpData2
HGLOBAL	hWaveHdr
LPWAVEHDR	lpWaveHdr
HWAVEOUT	hWaveOut
WAVEOUTCAPS	wavecaps
DWORD	gSndBufSize
MMTIME	mmstarttime
LPDIRECTSOUND	pDS
LPDIRECTSOUNDBUFFER	pDSBuf
LPDIRECTSOUNDBUFFER	pDSPBuf
HINSTANCE	hInstDS
DWORD	locksize

Macro Definition Documentation

iDirectSoundCreate

#define iDirectSoundCreate	(		a,
			b,
			c
	)		pDirectSoundCreate(a,b,c)

Definition at line 26 of file snd_win.c.

SECONDARY_BUFFER_SIZE

#define SECONDARY_BUFFER_SIZE   0x10000

Definition at line 34 of file snd_win.c.

WAV_BUFFER_SIZE

#define WAV_BUFFER_SIZE   0x0400

Definition at line 33 of file snd_win.c.

WAV_BUFFERS

#define WAV_BUFFERS   64

Definition at line 31 of file snd_win.c.

WAV_MASK

#define WAV_MASK   0x3F

Definition at line 32 of file snd_win.c.

Enumeration Type Documentation

sndinitstat

enum sndinitstat

Enumerator
SIS_SUCCESS
SIS_FAILURE
SIS_NOTAVAIL

Definition at line 36 of file snd_win.c.

{SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;

Function Documentation

DS_CreateBuffers()

static qboolean DS_CreateBuffers ( void  )

static

Definition at line 100 of file snd_win.c.

{
    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;
}

Referenced by S_Activate(), and SNDDMA_InitDirect().

DS_DestroyBuffers()

static void DS_DestroyBuffers ( void  )

static

Definition at line 247 of file snd_win.c.

{
    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;
}

Referenced by FreeSound(), and S_Activate().

DSoundError()

static const char* DSoundError ( int  error )

static

Definition at line 80 of file snd_win.c.

{
    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";
}

Referenced by SNDDMA_BeginPainting().

FreeSound()

void FreeSound

(

void

)

Definition at line 280 of file snd_win.c.

{
    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;
}

Referenced by DS_CreateBuffers(), SNDDMA_InitDirect(), SNDDMA_InitWav(), SNDDMA_Shutdown(), and SNDDMA_Submit().

HRESULT()

HRESULT

(

WINAPI *

pDirectSoundCreate

)

Referenced by DDRAW_Init(), SNDDMA_BeginPainting(), SNDDMA_InitDirect(), SNDDMA_InitWav(), and SWimp_EndFrame().

S_Activate()

void S_Activate

(

qboolean

active

)

Definition at line 844 of file snd_win.c.

{
    if ( active )
    {
        if ( pDS && cl_hwnd && snd_isdirect )
        {
            DS_CreateBuffers();
        }
    }
    else
    {
        if ( pDS && cl_hwnd && snd_isdirect )
        {
            DS_DestroyBuffers();
        }
    }
}

Referenced by AppActivate().

SNDDMA_BeginPainting()

void SNDDMA_BeginPainting

(

void

)

Definition at line 707 of file snd_win.c.

{
    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;
}

Referenced by S_ClearBuffer(), and S_Update_().

SNDDMA_GetDMAPos()

int SNDDMA_GetDMAPos

(

void

)

Definition at line 674 of file snd_win.c.

{
    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;
}

Referenced by GetSoundtime().

SNDDMA_Init()

int SNDDMA_Init

(

void

)

Definition at line 593 of file snd_win.c.

{
    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;
}

Referenced by S_Init().

SNDDMA_InitDirect()

sndinitstat SNDDMA_InitDirect

(

void

)

Definition at line 352 of file snd_win.c.

{
    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;
}

Referenced by SNDDMA_Init().

SNDDMA_InitWav()

qboolean SNDDMA_InitWav

(

void

)

Definition at line 444 of file snd_win.c.

{
    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;
}

Referenced by SNDDMA_Init().

SNDDMA_Shutdown()

void SNDDMA_Shutdown

(

void

)

Definition at line 829 of file snd_win.c.

{
    FreeSound ();
}

Referenced by S_Shutdown().

SNDDMA_Submit()

void SNDDMA_Submit

(

void

)

Definition at line 761 of file snd_win.c.

{
    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; 
        } 
    }
}

Referenced by S_ClearBuffer(), and S_Update_().

Variable Documentation

dsound_init

qboolean dsound_init

static

Definition at line 40 of file snd_win.c.

Referenced by FreeSound(), SNDDMA_GetDMAPos(), SNDDMA_Init(), and SNDDMA_InitDirect().

gSndBufSize

DWORD gSndBufSize

Definition at line 66 of file snd_win.c.

Referenced by DS_CreateBuffers(), SNDDMA_BeginPainting(), and SNDDMA_InitWav().

hData

HANDLE hData

Definition at line 56 of file snd_win.c.

Referenced by FreeSound(), and SNDDMA_InitWav().

hInstDS

HINSTANCE hInstDS

Definition at line 73 of file snd_win.c.

Referenced by FreeSound(), and SNDDMA_InitDirect().

hWaveHdr

HGLOBAL hWaveHdr

Definition at line 59 of file snd_win.c.

Referenced by FreeSound(), and SNDDMA_InitWav().

hWaveOut

HWAVEOUT hWaveOut

Definition at line 62 of file snd_win.c.

Referenced by FreeSound(), SNDDMA_InitWav(), and SNDDMA_Submit().

locksize

DWORD locksize

Definition at line 706 of file snd_win.c.

Referenced by SNDDMA_BeginPainting(), and SNDDMA_Submit().

lpData

HPSTR lpData

Definition at line 57 of file snd_win.c.

Referenced by DS_CreateBuffers(), FreeSound(), and SNDDMA_InitWav().

lpData2

HPSTR lpData2

Definition at line 57 of file snd_win.c.

lplpDS

LPDIRECTSOUND FAR* lplpDS

Definition at line 28 of file snd_win.c.

lpWaveHdr

LPWAVEHDR lpWaveHdr

Definition at line 60 of file snd_win.c.

Referenced by FreeSound(), SNDDMA_InitWav(), and SNDDMA_Submit().

mmstarttime

MMTIME mmstarttime

Definition at line 68 of file snd_win.c.

Referenced by DS_CreateBuffers(), and SNDDMA_GetDMAPos().

pDS

LPDIRECTSOUND pDS

Definition at line 70 of file snd_win.c.

Referenced by DS_CreateBuffers(), DS_DestroyBuffers(), FreeSound(), S_Activate(), and SNDDMA_InitDirect().

pDSBuf

LPDIRECTSOUNDBUFFER pDSBuf

Definition at line 71 of file snd_win.c.

Referenced by DS_CreateBuffers(), DS_DestroyBuffers(), FreeSound(), SNDDMA_BeginPainting(), SNDDMA_GetDMAPos(), and SNDDMA_Submit().

pDSPBuf

LPDIRECTSOUNDBUFFER pDSPBuf

Definition at line 71 of file snd_win.c.

Referenced by DS_CreateBuffers(), DS_DestroyBuffers(), and FreeSound().

primary_format_set

qboolean primary_format_set

static

Definition at line 43 of file snd_win.c.

Referenced by DS_CreateBuffers().

pUnkOuter

LPDIRECTSOUND FAR IUnknown FAR* pUnkOuter

Definition at line 28 of file snd_win.c.

Referenced by DDRAW_Init().

s_wavonly

cvar_t* s_wavonly

Definition at line 38 of file snd_win.c.

Referenced by SNDDMA_Init().

sample16

int sample16

static

Definition at line 47 of file snd_win.c.

Referenced by DS_CreateBuffers(), SNDDMA_GetDMAPos(), SNDDMA_InitWav(), and SNDDMA_Submit().

snd_buffer_count

int snd_buffer_count = 0

static

Definition at line 46 of file snd_win.c.

Referenced by SNDDMA_Init().

snd_completed

int snd_completed

static

Definition at line 48 of file snd_win.c.

Referenced by SNDDMA_InitWav(), and SNDDMA_Submit().

snd_firsttime

qboolean snd_firsttime = true

static

Definition at line 42 of file snd_win.c.

Referenced by DS_CreateBuffers(), and SNDDMA_Init().

snd_isdirect

qboolean snd_isdirect

static

Definition at line 42 of file snd_win.c.

Referenced by S_Activate(), and SNDDMA_Init().

snd_iswave

qboolean snd_iswave

static

Definition at line 42 of file snd_win.c.

Referenced by SNDDMA_Init().

snd_sent

int snd_sent

static

Definition at line 48 of file snd_win.c.

Referenced by SNDDMA_GetDMAPos(), SNDDMA_InitWav(), and SNDDMA_Submit().

wav_init

qboolean wav_init

static

Definition at line 41 of file snd_win.c.

Referenced by FreeSound(), SNDDMA_GetDMAPos(), SNDDMA_Init(), SNDDMA_InitWav(), and SNDDMA_Submit().

wavecaps

WAVEOUTCAPS wavecaps

Definition at line 64 of file snd_win.c.