From 952c5c128f9efaea89d41d882c4ea3ade7df4591 Mon Sep 17 00:00:00 2001 From: zakk Date: Fri, 26 Aug 2005 04:48:05 +0000 Subject: Itsa me, quake3io! git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea --- code/win32/win_snd.c | 388 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 388 insertions(+) create mode 100755 code/win32/win_snd.c (limited to 'code/win32/win_snd.c') 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 + +#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 (); + } +} + + -- cgit v1.2.3