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/*
===========================================================================
Wolfenstein: Enemy Territory GPL Source Code
Copyright (C) 1999-2010 id Software LLC, a ZeniMax Media company.
This file is part of the Wolfenstein: Enemy Territory GPL Source Code (“Wolf ET Source Code”).
Wolf ET Source Code 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 3 of the License, or
(at your option) any later version.
Wolf ET Source Code 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 Wolf ET Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Wolf: ET Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Wolf ET Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include <float.h>
#include "../client/snd_local.h"
#include "win_local.h"
HRESULT ( WINAPI * pDirectSoundCreate )( GUID FAR *lpGUID, LPDIRECTSOUND FAR *lplpDS, IUnknown FAR *pUnkOuter );
#define iDirectSoundCreate( a,b,c ) pDirectSoundCreate( a,b,c )
#define SECONDARY_BUFFER_SIZE 0x10000
static qboolean dsound_init;
static int sample16;
static DWORD gSndBufSize;
static DWORD locksize;
static LPDIRECTSOUND pDS;
static LPDIRECTSOUNDBUFFER pDSBuf, pDSPBuf;
static HINSTANCE hInstDS;
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";
}
/*
==================
SNDDMA_Shutdown
==================
*/
void SNDDMA_Shutdown( void ) {
Com_DPrintf( "Shutting down sound system\n" );
if ( pDS ) {
Com_DPrintf( "Destroying DS buffers\n" );
if ( pDS ) {
Com_DPrintf( "...setting DSSCL_PRIORITY coop level\n" );
pDS->lpVtbl->SetCooperativeLevel( pDS, g_wv.hWnd, DSSCL_PRIORITY );
}
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;
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;
dsound_init = qfalse;
memset( (void *)&dma, 0, sizeof( dma ) );
CoUninitialize();
}
/*
==================
SNDDMA_Init
Initialize direct sound
Returns false if failed
==================
*/
qboolean SNDDMA_Init( void ) {
memset( (void *)&dma, 0, sizeof( dma ) );
dsound_init = 0;
CoInitialize( NULL );
if ( !SNDDMA_InitDS() ) {
return qfalse;
}
dsound_init = qtrue;
Com_DPrintf( "Completed successfully\n" );
return qtrue;
}
#undef DEFINE_GUID
#define DEFINE_GUID( name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8 ) \
EXTERN_C const GUID name \
= { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }
// DirectSound Component GUID {47D4D946-62E8-11CF-93BC-444553540000}
DEFINE_GUID( CLSID_DirectSound, 0x47d4d946, 0x62e8, 0x11cf, 0x93, 0xbc, 0x44, 0x45, 0x53, 0x54, 0x0, 0x0 );
// DirectSound 8.0 Component GUID {3901CC3F-84B5-4FA4-BA35-AA8172B8A09B}
DEFINE_GUID( CLSID_DirectSound8, 0x3901cc3f, 0x84b5, 0x4fa4, 0xba, 0x35, 0xaa, 0x81, 0x72, 0xb8, 0xa0, 0x9b );
DEFINE_GUID( IID_IDirectSound8, 0xC50A7E93, 0xF395, 0x4834, 0x9E, 0xF6, 0x7F, 0xA9, 0x9D, 0xE5, 0x09, 0x66 );
DEFINE_GUID( IID_IDirectSound, 0x279AFA83, 0x4981, 0x11CE, 0xA5, 0x21, 0x00, 0x20, 0xAF, 0x0B, 0xE5, 0x60 );
int SNDDMA_InitDS() {
HRESULT hresult;
DSBUFFERDESC dsbuf;
DSBCAPS dsbcaps;
WAVEFORMATEX format;
int use8;
Com_Printf( "Initializing DirectSound\n" );
use8 = 1;
// Create IDirectSound using the primary sound device
if ( FAILED( hresult = CoCreateInstance( &CLSID_DirectSound8, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectSound8, (void **)&pDS ) ) ) {
use8 = 0;
if ( FAILED( hresult = CoCreateInstance( &CLSID_DirectSound, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectSound, (void **)&pDS ) ) ) {
Com_Printf( "failed\n" );
SNDDMA_Shutdown();
return qfalse;
}
}
hresult = pDS->lpVtbl->Initialize( pDS, NULL );
Com_DPrintf( "ok\n" );
Com_DPrintf( "...setting DSSCL_PRIORITY coop level: " );
if ( DS_OK != pDS->lpVtbl->SetCooperativeLevel( pDS, g_wv.hWnd, DSSCL_PRIORITY ) ) {
Com_Printf( "failed\n" );
SNDDMA_Shutdown();
return qfalse;
}
Com_DPrintf( "ok\n" );
// create the secondary buffer we'll actually work with
dma.channels = (int)s_numchannels->value;
dma.samplebits = (int)s_bits->value;
if ( s_khz->integer == 44 ) {
dma.speed = 44100;
} else if ( s_khz->integer == 22 ) {
dma.speed = 22050;
} else {
dma.speed = 11025;
}
// dma.speed = 22050;
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;
memset( &dsbuf, 0, sizeof( dsbuf ) );
dsbuf.dwSize = sizeof( DSBUFFERDESC );
// Micah: take advantage of 2D hardware.if available.
dsbuf.dwFlags = DSBCAPS_LOCHARDWARE;
if ( use8 ) {
dsbuf.dwFlags |= DSBCAPS_GETCURRENTPOSITION2;
}
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( "locked hardware. ok\n" );
} else {
// Couldn't get hardware, fallback to software.
dsbuf.dwFlags = DSBCAPS_LOCSOFTWARE;
if ( use8 ) {
dsbuf.dwFlags |= DSBCAPS_GETCURRENTPOSITION2;
}
if ( DS_OK != pDS->lpVtbl->CreateSoundBuffer( pDS, &dsbuf, &pDSBuf, NULL ) ) {
Com_Printf( "failed\n" );
SNDDMA_Shutdown();
return qfalse;
}
Com_DPrintf( "forced to software. ok\n" );
}
// Make sure mixer is active
if ( DS_OK != pDSBuf->lpVtbl->Play( pDSBuf, 0, 0, DSBPLAY_LOOPING ) ) {
Com_Printf( "*** Looped sound play failed ***\n" );
SNDDMA_Shutdown();
return qfalse;
}
// get the returned buffer size
if ( DS_OK != pDSBuf->lpVtbl->GetCaps( pDSBuf, &dsbcaps ) ) {
Com_Printf( "*** GetCaps failed ***\n" );
SNDDMA_Shutdown();
return qfalse;
}
gSndBufSize = dsbcaps.dwBufferBytes;
dma.channels = format.nChannels;
dma.samplebits = format.wBitsPerSample;
dma.speed = format.nSamplesPerSec;
dma.samples = gSndBufSize / ( dma.samplebits / 8 );
dma.submission_chunk = 1;
dma.buffer = NULL; // must be locked first
sample16 = ( dma.samplebits / 8 ) - 1;
SNDDMA_BeginPainting();
if ( dma.buffer ) {
memset( dma.buffer, 0, dma.samples * dma.samplebits / 8 );
}
SNDDMA_Submit();
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 ) {
return 0;
}
mmtime.wType = TIME_SAMPLES;
pDSBuf->lpVtbl->GetCurrentPosition( pDSBuf, &mmtime.u.sample, &dwWrite );
s = mmtime.u.sample;
s >>= sample16;
s &= ( dma.samples - 1 );
return s;
}
/*
==============
SNDDMA_BeginPainting
Makes sure dma.buffer is valid
===============
*/
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( "SNDDMA_BeginPainting: 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 ) {
// unlock the dsound buffer
if ( pDSBuf ) {
pDSBuf->lpVtbl->Unlock( pDSBuf, dma.buffer, locksize, NULL, 0 );
}
}
/*
=================
SNDDMA_Activate
When we change windows we need to do this
=================
*/
void SNDDMA_Activate( void ) {
if ( !pDS ) {
return;
}
if ( DS_OK != pDS->lpVtbl->SetCooperativeLevel( pDS, g_wv.hWnd, DSSCL_PRIORITY ) ) {
Com_Printf( "sound SetCooperativeLevel failed\n" );
SNDDMA_Shutdown();
}
}
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