diff options
Diffstat (limited to 'code/win32/win_snd.c')
| -rwxr-xr-x | code/win32/win_snd.c | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/code/win32/win_snd.c b/code/win32/win_snd.c new file mode 100755 index 0000000..224d06d --- /dev/null +++ b/code/win32/win_snd.c @@ -0,0 +1,388 @@ +/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena 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 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena 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 Foobar; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 NORMAL 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 = 2;
+ dma.samplebits = 16;
+
+// 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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