+++ /dev/null
-/*
-Copyright (C) 1996-1997 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.
-
-*/
-
-#ifdef SUPPORTDIRECTX
-#ifndef DIRECTSOUND_VERSION
-# define DIRECTSOUND_VERSION 0x0500 /* Version 5.0 */
-#endif
-#endif
-#include <windows.h>
-#include <mmsystem.h>
-#ifdef SUPPORTDIRECTX
-#include <dsound.h>
-#endif
-
-#include "qtypes.h"
-#include "quakedef.h"
-#include "snd_main.h"
-
-// ==============================================================================
-
-#ifndef _WAVEFORMATEXTENSIBLE_
-#define _WAVEFORMATEXTENSIBLE_
-typedef struct
-{
- WAVEFORMATEX Format;
- union
- {
- WORD wValidBitsPerSample; // bits of precision
- WORD wSamplesPerBlock; // valid if wBitsPerSample==0
- WORD wReserved; // If neither applies, set to zero
- } Samples;
- DWORD dwChannelMask; // which channels are present in stream
- GUID SubFormat;
-} WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
-#endif
-
-#if !defined(WAVE_FORMAT_EXTENSIBLE)
-# define WAVE_FORMAT_EXTENSIBLE 0xFFFE
-#endif
-
-// Some speaker positions
-#ifndef SPEAKER_FRONT_LEFT
-# define SPEAKER_FRONT_LEFT 0x1
-# define SPEAKER_FRONT_RIGHT 0x2
-# define SPEAKER_FRONT_CENTER 0x4
-# define SPEAKER_LOW_FREQUENCY 0x8
-# define SPEAKER_BACK_LEFT 0x10
-# define SPEAKER_BACK_RIGHT 0x20
-# define SPEAKER_FRONT_LEFT_OF_CENTER 0x40
-# define SPEAKER_FRONT_RIGHT_OF_CENTER 0x80
-// ... we never use the other values
-#endif
-
-// KSDATAFORMAT_SUBTYPE_PCM = GUID "00000001-0000-0010-8000-00aa00389b71"
-static const GUID MY_KSDATAFORMAT_SUBTYPE_PCM =
-{
- 0x00000001,
- 0x0000,
- 0x0010,
- {
- 0x80, 0x00,
- 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71
- }
-};
-
-
-// ==============================================================================
-
-extern HWND mainwindow;
-static cvar_t snd_wav_partitionsize = {CVAR_SAVE, "snd_wav_partitionsize", "1024", "controls sound delay in samples, values too low will cause crackling, too high will cause delayed sounds"};
-static qboolean sndsys_registeredcvars = false;
-
-#ifdef SUPPORTDIRECTX
-HRESULT (WINAPI *pDirectSoundCreate)(GUID FAR *lpGUID, LPDIRECTSOUND FAR *lplpDS, IUnknown FAR *pUnkOuter);
-#endif
-
-// Wave output: queue of this many sound buffers to play, reused cyclically
-#define WAV_BUFFERS 16
-#define WAV_MASK (WAV_BUFFERS - 1)
-static unsigned int wav_buffer_size;
-
-// DirectSound output: 64KB in 1 buffer
-//#define SECONDARY_BUFFER_SIZE(fmt_ptr) ((fmt_ptr)->width * (fmt_ptr)->channels * (fmt_ptr)->speed / 2)
-// LordHavoc: changed this to be a multiple of 32768
-#define SECONDARY_BUFFER_SIZE(fmt_ptr) ((fmt_ptr)->channels * 32768)
-
-typedef enum sndinitstat_e {SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;
-
-#ifdef SUPPORTDIRECTX
-static qboolean dsound_init;
-static unsigned int dsound_time;
-static qboolean primary_format_set;
-#endif
-
-static qboolean wav_init;
-
-static int snd_sent, snd_completed;
-
-static int prev_painted;
-static unsigned int paintpot;
-
-
-
-/*
- * 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;
-
-DWORD dwStartTime;
-
-#ifdef SUPPORTDIRECTX
-LPDIRECTSOUND pDS;
-LPDIRECTSOUNDBUFFER pDSBuf, pDSPBuf;
-
-HINSTANCE hInstDS;
-#endif
-
-qboolean SNDDMA_InitWav (void);
-#ifdef SUPPORTDIRECTX
-sndinitstat SNDDMA_InitDirect (void);
-#endif
-
-
-/*
-==================
-SndSys_BuildWaveFormat
-==================
-*/
-static qboolean SndSys_BuildWaveFormat (const snd_format_t* requested, WAVEFORMATEXTENSIBLE* fmt_ptr)
-{
- WAVEFORMATEX* pfmtex;
-
- memset (fmt_ptr, 0, sizeof(*fmt_ptr));
-
- pfmtex = &fmt_ptr->Format;
- pfmtex->nChannels = requested->channels;
- pfmtex->wBitsPerSample = requested->width * 8;
- pfmtex->nSamplesPerSec = requested->speed;
- pfmtex->nBlockAlign = pfmtex->nChannels * pfmtex->wBitsPerSample / 8;
- pfmtex->nAvgBytesPerSec = pfmtex->nSamplesPerSec * pfmtex->nBlockAlign;
-
- // LordHavoc: disabled this WAVE_FORMAT_EXTENSIBLE support because it does not seem to be working
-#if 0
- if (requested->channels <= 2)
- {
-#endif
- pfmtex->wFormatTag = WAVE_FORMAT_PCM;
- pfmtex->cbSize = 0;
-#if 0
- }
- else
- {
- pfmtex->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
- pfmtex->cbSize = sizeof(*fmt_ptr) - sizeof(fmt_ptr->Format);
- fmt_ptr->Samples.wValidBitsPerSample = fmt_ptr->Format.wBitsPerSample;
- fmt_ptr->SubFormat = MY_KSDATAFORMAT_SUBTYPE_PCM;
-
- // Build the channel mask
- fmt_ptr->dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
- switch (requested->channels)
- {
- case 8:
- fmt_ptr->dwChannelMask |= SPEAKER_FRONT_LEFT_OF_CENTER | SPEAKER_FRONT_RIGHT_OF_CENTER;
- // no break
- case 6:
- fmt_ptr->dwChannelMask |= SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY;
- // no break
- case 4:
- fmt_ptr->dwChannelMask |= SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
- break;
-
- default:
- Con_Printf("SndSys_BuildWaveFormat: invalid number of channels (%hu)\n", requested->channels);
- return false;
- }
- }
-#endif
-
- return true;
-}
-
-
-#ifdef SUPPORTDIRECTX
-/*
-==================
-SndSys_InitDirectSound
-
-DirectSound 5 support
-==================
-*/
-static sndinitstat SndSys_InitDirectSound (const snd_format_t* requested)
-{
- DSBUFFERDESC dsbuf;
- DSBCAPS dsbcaps;
- DWORD dwSize;
- DSCAPS dscaps;
- WAVEFORMATEXTENSIBLE format, pformat;
- HRESULT hresult;
- int reps;
-
- if (! SndSys_BuildWaveFormat(requested, &format))
- return SIS_FAILURE;
-
- if (!hInstDS)
- {
- hInstDS = LoadLibrary("dsound.dll");
-
- if (hInstDS == NULL)
- {
- Con_Print("Couldn't load dsound.dll\n");
- return SIS_FAILURE;
- }
-
- pDirectSoundCreate = (HRESULT (__stdcall *)(GUID *, LPDIRECTSOUND *,IUnknown *))GetProcAddress(hInstDS,"DirectSoundCreate");
-
- if (!pDirectSoundCreate)
- {
- Con_Print("Couldn't get DS proc addr\n");
- return SIS_FAILURE;
- }
- }
-
- while ((hresult = pDirectSoundCreate(NULL, &pDS, NULL)) != DS_OK)
- {
- if (hresult != DSERR_ALLOCATED)
- {
- Con_Print("DirectSound create 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)
- {
- Con_Print("DirectSoundCreate failure\n hardware already in use\n");
- return SIS_NOTAVAIL;
- }
- }
-
- dscaps.dwSize = sizeof(dscaps);
-
- if (DS_OK != IDirectSound_GetCaps (pDS, &dscaps))
- {
- Con_Print("Couldn't get DS caps\n");
- }
-
- if (dscaps.dwFlags & DSCAPS_EMULDRIVER)
- {
- Con_Print("No DirectSound driver installed\n");
- SndSys_Shutdown ();
- return SIS_FAILURE;
- }
-
- if (DS_OK != IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_EXCLUSIVE))
- {
- Con_Print("Set coop level failed\n");
- SndSys_Shutdown ();
- return SIS_FAILURE;
- }
-
- // 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;
-
-// COMMANDLINEOPTION: Windows DirectSound: -snoforceformat uses the format that DirectSound returns, rather than forcing it
- if (!COM_CheckParm ("-snoforceformat"))
- {
- if (DS_OK == IDirectSound_CreateSoundBuffer(pDS, &dsbuf, &pDSPBuf, NULL))
- {
- pformat = format;
-
- if (DS_OK != IDirectSoundBuffer_SetFormat (pDSPBuf, (WAVEFORMATEX*)&pformat))
- {
- Con_Print("Set primary sound buffer format: no\n");
- }
- else
- {
- Con_Print("Set primary sound buffer format: yes\n");
-
- primary_format_set = true;
- }
- }
- }
-
-// COMMANDLINEOPTION: Windows DirectSound: -primarysound locks the sound hardware for exclusive use
- if (!primary_format_set || !COM_CheckParm ("-primarysound"))
- {
- HRESULT result;
-
- // 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(requested);
- dsbuf.lpwfxFormat = (WAVEFORMATEX*)&format;
-
- memset(&dsbcaps, 0, sizeof(dsbcaps));
- dsbcaps.dwSize = sizeof(dsbcaps);
-
- result = IDirectSound_CreateSoundBuffer(pDS, &dsbuf, &pDSBuf, NULL);
- if (result != DS_OK ||
- requested->channels != format.Format.nChannels ||
- requested->width != format.Format.wBitsPerSample / 8 ||
- requested->speed != format.Format.nSamplesPerSec)
- {
- Con_Printf("DS:CreateSoundBuffer Failed (%d): channels=%u, width=%u, speed=%u\n",
- (int)result, (unsigned)format.Format.nChannels, (unsigned)format.Format.wBitsPerSample / 8, (unsigned)format.Format.nSamplesPerSec);
- SndSys_Shutdown ();
- return SIS_FAILURE;
- }
-
- if (DS_OK != IDirectSoundBuffer_GetCaps (pDSBuf, &dsbcaps))
- {
- Con_Print("DS:GetCaps failed\n");
- SndSys_Shutdown ();
- return SIS_FAILURE;
- }
-
- Con_Print("Using secondary sound buffer\n");
- }
- else
- {
- if (DS_OK != IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_WRITEPRIMARY))
- {
- Con_Print("Set coop level failed\n");
- SndSys_Shutdown ();
- return SIS_FAILURE;
- }
-
- if (DS_OK != IDirectSoundBuffer_GetCaps (pDSPBuf, &dsbcaps))
- {
- Con_Print("DS:GetCaps failed\n");
- return SIS_FAILURE;
- }
-
- pDSBuf = pDSPBuf;
- Con_Print("Using primary sound buffer\n");
- }
-
- // Make sure mixer is active
- IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
- Con_Printf(" %d channel(s)\n"
- " %d bits/sample\n"
- " %d samples/sec\n",
- requested->channels, requested->width * 8, requested->speed);
-
- gSndBufSize = dsbcaps.dwBufferBytes;
-
- // initialize the buffer
- reps = 0;
-
- while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&lpData, &dwSize, NULL, NULL, 0)) != DS_OK)
- {
- if (hresult != DSERR_BUFFERLOST)
- {
- Con_Print("SNDDMA_InitDirect: DS::Lock Sound Buffer Failed\n");
- SndSys_Shutdown ();
- return SIS_FAILURE;
- }
-
- if (++reps > 10000)
- {
- Con_Print("SNDDMA_InitDirect: DS: couldn't restore buffer\n");
- SndSys_Shutdown ();
- return SIS_FAILURE;
- }
-
- }
-
- memset(lpData, 0, dwSize);
- IDirectSoundBuffer_Unlock(pDSBuf, lpData, dwSize, NULL, 0);
-
- IDirectSoundBuffer_Stop(pDSBuf);
- IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
- dwStartTime = 0;
- dsound_time = 0;
- snd_renderbuffer = Snd_CreateRingBuffer(requested, gSndBufSize / (requested->width * requested->channels), lpData);
-
- dsound_init = true;
-
- return SIS_SUCCESS;
-}
-#endif
-
-
-/*
-==================
-SndSys_InitMmsystem
-
-Crappy windows multimedia base
-==================
-*/
-static qboolean SndSys_InitMmsystem (const snd_format_t* requested)
-{
- WAVEFORMATEXTENSIBLE format;
- int i;
- HRESULT hr;
-
- if (! SndSys_BuildWaveFormat(requested, &format))
- return false;
-
- // Open a waveform device for output using window callback
- while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER, (WAVEFORMATEX*)&format,
- 0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR)
- {
- if (hr != MMSYSERR_ALLOCATED)
- {
- Con_Print("waveOutOpen 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 with no sound.",
- "Sound not available",
- MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
- {
- Con_Print("waveOutOpen failure;\n hardware already in use\n");
- return false;
- }
- }
-
- wav_buffer_size = bound(128, snd_wav_partitionsize.integer, 8192) * requested->channels * requested->width;
-
- /*
- * Allocate and lock memory for the waveform data. The memory
- * for waveform data must be globally allocated with
- * GMEM_MOVEABLE and GMEM_SHARE flags.
- */
- gSndBufSize = WAV_BUFFERS * wav_buffer_size;
- hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, gSndBufSize);
- if (!hData)
- {
- Con_Print("Sound: Out of memory.\n");
- SndSys_Shutdown ();
- return false;
- }
- lpData = (HPSTR)GlobalLock(hData);
- if (!lpData)
- {
- Con_Print("Sound: Failed to lock.\n");
- SndSys_Shutdown ();
- return false;
- }
- memset (lpData, 0, gSndBufSize);
-
- /*
- * Allocate and lock memory for the header. This memory must
- * also be globally allocated with GMEM_MOVEABLE and
- * GMEM_SHARE flags.
- */
- hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
-
- if (hWaveHdr == NULL)
- {
- Con_Print("Sound: Failed to Alloc header.\n");
- SndSys_Shutdown ();
- return false;
- }
-
- lpWaveHdr = (LPWAVEHDR) GlobalLock(hWaveHdr);
-
- if (lpWaveHdr == NULL)
- {
- Con_Print("Sound: Failed to lock header.\n");
- SndSys_Shutdown ();
- return false;
- }
-
- memset (lpWaveHdr, 0, sizeof(WAVEHDR) * WAV_BUFFERS);
-
- // After allocation, set up and prepare 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)
- {
- Con_Print("Sound: failed to prepare wave headers\n");
- SndSys_Shutdown ();
- return false;
- }
- }
-
- snd_renderbuffer = Snd_CreateRingBuffer(requested, gSndBufSize / (requested->width * requested->channels), lpData);
-
- prev_painted = 0;
- paintpot = 0;
-
- snd_sent = 0;
- snd_completed = 0;
-
- wav_init = true;
-
- return true;
-}
-
-
-/*
-====================
-SndSys_Init
-
-Create "snd_renderbuffer" with the proper sound format if the call is successful
-May return a suggested format if the requested format isn't available
-====================
-*/
-qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
-{
-#ifdef SUPPORTDIRECTX
- qboolean wavonly;
-#endif
- sndinitstat stat;
-
- if (!sndsys_registeredcvars)
- {
- sndsys_registeredcvars = true;
- Cvar_RegisterVariable(&snd_wav_partitionsize);
- }
-
- Con_Print ("SndSys_Init: using the Win32 module\n");
-
-#ifdef SUPPORTDIRECTX
-// COMMANDLINEOPTION: Windows Sound: -wavonly uses wave sound instead of DirectSound
- wavonly = (COM_CheckParm ("-wavonly") != 0);
- dsound_init = false;
-#endif
- wav_init = false;
-
- stat = SIS_FAILURE; // assume DirectSound won't initialize
-
-#ifdef SUPPORTDIRECTX
- // Init DirectSound
- if (!wavonly)
- {
- stat = SndSys_InitDirectSound (requested);
-
- if (stat == SIS_SUCCESS)
- Con_Print("DirectSound initialized\n");
- else
- Con_Print("DirectSound failed to init\n");
- }
-#endif
-
- // 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)
-#ifdef SUPPORTDIRECTX
- if (!dsound_init && (stat != SIS_NOTAVAIL))
-#endif
- {
- if (SndSys_InitMmsystem (requested))
- Con_Print("Wave sound (MMSYSTEM) initialized\n");
- else
- Con_Print("Wave sound failed to init\n");
- }
-
-#ifdef SUPPORTDIRECTX
- return (dsound_init || wav_init);
-#else
- return wav_init;
-#endif
-}
-
-
-/*
-====================
-SndSys_Shutdown
-
-Stop the sound card, delete "snd_renderbuffer" and free its other resources
-====================
-*/
-void SndSys_Shutdown (void)
-{
-#ifdef SUPPORTDIRECTX
- if (pDSBuf)
- {
- IDirectSoundBuffer_Stop(pDSBuf);
- IDirectSoundBuffer_Release(pDSBuf);
- }
-
- // only release primary buffer if it's not also the mixing buffer we just released
- if (pDSPBuf && (pDSBuf != pDSPBuf))
- {
- IDirectSoundBuffer_Release(pDSPBuf);
- }
-
- if (pDS)
- {
- IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_NORMAL);
- IDirectSound_Release(pDS);
- }
-#endif
-
- if (hWaveOut)
- {
- waveOutReset (hWaveOut);
-
- if (lpWaveHdr)
- {
- unsigned int i;
-
- for (i=0 ; i< WAV_BUFFERS ; i++)
- waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR));
- }
-
- waveOutClose (hWaveOut);
-
- if (hWaveHdr)
- {
- GlobalUnlock(hWaveHdr);
- GlobalFree(hWaveHdr);
- }
-
- if (hData)
- {
- GlobalUnlock(hData);
- GlobalFree(hData);
- }
- }
-
- if (snd_renderbuffer != NULL)
- {
- Mem_Free(snd_renderbuffer);
- snd_renderbuffer = NULL;
- }
-
-#ifdef SUPPORTDIRECTX
- pDS = NULL;
- pDSBuf = NULL;
- pDSPBuf = NULL;
- dsound_init = false;
-#endif
- hWaveOut = 0;
- hData = 0;
- hWaveHdr = 0;
- lpData = NULL;
- lpWaveHdr = NULL;
- wav_init = false;
-}
-
-
-/*
-====================
-SndSys_Submit
-
-Submit the contents of "snd_renderbuffer" to the sound card
-====================
-*/
-void SndSys_Submit (void)
-{
- LPWAVEHDR h;
- int wResult;
-
- // DirectSound doesn't need this
- if (!wav_init)
- return;
-
- paintpot += (snd_renderbuffer->endframe - prev_painted) * snd_renderbuffer->format.channels * snd_renderbuffer->format.width;
- if (paintpot > WAV_BUFFERS * wav_buffer_size)
- paintpot = WAV_BUFFERS * wav_buffer_size;
- prev_painted = snd_renderbuffer->endframe;
-
- // submit new sound blocks
- while (paintpot > wav_buffer_size)
- {
- h = lpWaveHdr + (snd_sent & WAV_MASK);
-
- /*
- * 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)
- snd_sent++;
- else if (wResult == WAVERR_STILLPLAYING)
- {
- if(developer_insane.integer)
- Con_DPrint("waveOutWrite failed (too much sound data)\n");
- //h->dwFlags |= WHDR_DONE;
- //snd_sent++;
- }
- else
- {
- Con_Printf("waveOutWrite failed, error code %d\n", (int) wResult);
- SndSys_Shutdown ();
- return;
- }
-
- paintpot -= wav_buffer_size;
- }
-
-}
-
-
-/*
-====================
-SndSys_GetSoundTime
-
-Returns the number of sample frames consumed since the sound started
-====================
-*/
-unsigned int SndSys_GetSoundTime (void)
-{
- unsigned int factor;
-
- factor = snd_renderbuffer->format.width * snd_renderbuffer->format.channels;
-
-#ifdef SUPPORTDIRECTX
- if (dsound_init)
- {
- DWORD dwTime;
- unsigned int diff;
-
- IDirectSoundBuffer_GetCurrentPosition(pDSBuf, &dwTime, NULL);
- diff = (unsigned int)(dwTime - dwStartTime) % (unsigned int)gSndBufSize;
- dwStartTime = dwTime;
-
- dsound_time += diff / factor;
- return dsound_time;
- }
-#endif
-
- if (wav_init)
- {
- // Find which sound blocks have completed
- for (;;)
- {
- if (snd_completed == snd_sent)
- {
- // Con_DPrint("Sound overrun\n");
- break;
- }
-
- if (!(lpWaveHdr[snd_completed & WAV_MASK].dwFlags & WHDR_DONE))
- break;
-
- snd_completed++; // this buffer has been played
- }
-
- return (snd_completed * wav_buffer_size) / factor;
-
- /*
- * S_PaintAndSubmit: WARNING: newsoundtime (soundtime (275 < 134217707)
- * apparently this sound time wraps quite early?
- {
- MMRESULT res;
- MMTIME mmtime;
-
- mmtime.wType = TIME_SAMPLES;
- res = waveOutGetPosition(hWaveOut, &mmtime, sizeof(mmtime));
- if(res == MMSYSERR_NOERROR)
- return mmtime.u.sample;
- }
- */
- }
-
- return 0;
-}
-
-
-#ifdef SUPPORTDIRECTX
-static DWORD dsound_dwSize;
-static DWORD dsound_dwSize2;
-static DWORD *dsound_pbuf;
-static DWORD *dsound_pbuf2;
-#endif
-
-/*
-====================
-SndSys_LockRenderBuffer
-
-Get the exclusive lock on "snd_renderbuffer"
-====================
-*/
-qboolean SndSys_LockRenderBuffer (void)
-{
-#ifdef SUPPORTDIRECTX
- int reps;
- HRESULT hresult;
- DWORD dwStatus;
-
- if (pDSBuf)
- {
- // if the buffer was lost or stopped, restore it and/or restart it
- if (IDirectSoundBuffer_GetStatus (pDSBuf, &dwStatus) != DS_OK)
- Con_Print("Couldn't get sound buffer status\n");
-
- if (dwStatus & DSBSTATUS_BUFFERLOST)
- {
- Con_Print("DSound buffer is lost!!\n");
- IDirectSoundBuffer_Restore (pDSBuf);
- }
-
- if (!(dwStatus & DSBSTATUS_PLAYING))
- IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
-
- reps = 0;
-
- while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&dsound_pbuf, &dsound_dwSize, (LPVOID*)&dsound_pbuf2, &dsound_dwSize2, 0)) != DS_OK)
- {
- if (hresult != DSERR_BUFFERLOST)
- {
- Con_Print("S_LockBuffer: DS: Lock Sound Buffer Failed\n");
- S_Shutdown ();
- S_Startup ();
- return false;
- }
-
- if (++reps > 10000)
- {
- Con_Print("S_LockBuffer: DS: couldn't restore buffer\n");
- S_Shutdown ();
- S_Startup ();
- return false;
- }
- }
-
- if ((void*)dsound_pbuf != snd_renderbuffer->ring)
- Sys_Error("SndSys_LockRenderBuffer: the ring address has changed!!!\n");
- return true;
- }
-#endif
-
- return wav_init;
-}
-
-
-/*
-====================
-SndSys_UnlockRenderBuffer
-
-Release the exclusive lock on "snd_renderbuffer"
-====================
-*/
-void SndSys_UnlockRenderBuffer (void)
-{
-#ifdef SUPPORTDIRECTX
- if (pDSBuf)
- IDirectSoundBuffer_Unlock(pDSBuf, dsound_pbuf, dsound_dwSize, dsound_pbuf2, dsound_dwSize2);
-#endif
-}
-
-/*
-====================
-SndSys_SendKeyEvents
-
-Send keyboard events originating from the sound system (e.g. MIDI)
-====================
-*/
-void SndSys_SendKeyEvents(void)
-{
- // not supported
-}
projects / xonotic / darkplaces.git / blobdiff