qf
/
quakeforge
mirror of https://git.code.sf.net/p/quake/quakeforge
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
quakeforge/libs/audio/targets/snd_dx.c

544 lines
13 KiB
C
Raw Blame History

/*
snd_dx.c
(description)
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#define CINTERFACE
#include "winquake.h"
#include "QF/cvar.h"
#include "QF/plugin.h"
#include "QF/qargs.h"
#include "QF/sound.h"
#include "QF/sys.h"
#define iDirectSoundCreate(a,b,c) pDirectSoundCreate(a,b,c)
HRESULT (WINAPI * pDirectSoundCreate) (GUID FAR * lpGUID,
LPDIRECTSOUND FAR * lplpDS,
IUnknown FAR * pUnkOuter);
// 64K is > 1 second at 16-bit, 22050 Hz
#define WAV_BUFFERS 64
#define WAV_MASK 0x3F
#define WAV_BUFFER_SIZE 0x0400
#define SECONDARY_BUFFER_SIZE 0x10000
typedef enum { SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL } sndinitstat;
static qboolean dsound_init;
static qboolean snd_firsttime = true;
static qboolean primary_format_set;
static int sample16;
static volatile dma_t sn;
/*
Global variables. Must be visible to window-procedure function
so it can unlock and free the data block after it has been played.
*/
static HANDLE hData;
static HPSTR lpData;//, lpData2;
static HGLOBAL hWaveHdr;
static LPWAVEHDR lpWaveHdr;
static HWAVEOUT hWaveOut;
//static WAVEOUTCAPS wavecaps;
static DWORD gSndBufSize;
static MMTIME mmstarttime;
static LPDIRECTSOUND pDS;
static LPDIRECTSOUNDBUFFER pDSBuf, pDSPBuf;
static HINSTANCE hInstDS;
static sndinitstat SNDDMA_InitDirect (void);
static cvar_t *snd_stereo;
static cvar_t *snd_rate;
static cvar_t *snd_bits;
static plugin_t plugin_info;
static plugin_data_t plugin_info_data;
static plugin_funcs_t plugin_info_funcs;
static general_data_t plugin_info_general_data;
static general_funcs_t plugin_info_general_funcs;
static snd_output_data_t plugin_info_snd_output_data;
static snd_output_funcs_t plugin_info_snd_output_funcs;
static void
SNDDMA_Init_Cvars (void)
{
snd_stereo = Cvar_Get ("snd_stereo", "1", CVAR_ROM, NULL,
"sound stereo output");
snd_rate = Cvar_Get ("snd_rate", "11025", CVAR_ROM, NULL,
"sound playback rate. 0 is system default");
snd_bits = Cvar_Get ("snd_bits", "16", CVAR_ROM, NULL,
"sound sample depth. 0 is system default");
}
static void
SNDDMA_BlockSound (void)
{
}
static void
SNDDMA_UnblockSound (void)
{
}
static void
FreeSound (void)
{
if (pDSBuf) {
IDirectSoundBuffer_Stop (pDSBuf);
IDirectSound_Release (pDSBuf);
}
// only release primary buffer if it's not also the mixing buffer we just released
if (pDSPBuf && (pDSBuf != pDSPBuf)) {
IDirectSound_Release (pDSPBuf);
}
if (pDS) {
IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_NORMAL);
IDirectSound_Release (pDS);
}
pDS = NULL;
pDSBuf = NULL;
pDSPBuf = NULL;
hWaveOut = 0;
hData = 0;
hWaveHdr = 0;
lpData = NULL;
lpWaveHdr = NULL;
}
/*
SNDDMA_InitDirect
Direct-Sound support
*/
static sndinitstat
SNDDMA_InitDirect (void)
{
int reps;
DSBUFFERDESC dsbuf;
DSBCAPS dsbcaps;
DSCAPS dscaps;
DWORD dwSize, dwWrite;
HRESULT hresult;
WAVEFORMATEX format, pformat;
memset ((void *) &sn, 0, sizeof (sn));
if (!snd_stereo->int_val) {
sn.channels = 1;
} else {
sn.channels = 2;
}
sn.samplebits = snd_bits->int_val;
sn.speed = snd_rate->int_val;
memset (&format, 0, sizeof (format));
format.wFormatTag = WAVE_FORMAT_PCM;
format.nChannels = sn.channels;
format.wBitsPerSample = sn.samplebits;
format.nSamplesPerSec = sn.speed;
format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8;
format.cbSize = 0;
format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
if (!hInstDS) {
hInstDS = LoadLibrary ("dsound.dll");
if (hInstDS == NULL) {
Sys_Printf ("Couldn't load dsound.dll\n");
return SIS_FAILURE;
}
pDirectSoundCreate =
(void *) GetProcAddress (hInstDS, "DirectSoundCreate");
if (!pDirectSoundCreate) {
Sys_Printf ("Couldn't get DS proc addr\n");
return SIS_FAILURE;
}
}
while ((hresult = iDirectSoundCreate (NULL, &pDS, NULL)) != DS_OK) {
if (hresult != DSERR_ALLOCATED) {
Sys_Printf ("DirectSound create failed\n");
return SIS_FAILURE;
}
Sys_Printf ("DirectSoundCreate failure\n"
" hardware already in use\n");
return SIS_NOTAVAIL;
}
dscaps.dwSize = sizeof (dscaps);
if (DS_OK != IDirectSound_GetCaps (pDS, &dscaps)) {
Sys_Printf ("Couldn't get DS caps\n");
}
if (dscaps.dwFlags & DSCAPS_EMULDRIVER) {
Sys_Printf ("No DirectSound driver installed\n");
FreeSound ();
return SIS_FAILURE;
}
if (DS_OK !=
IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_EXCLUSIVE)) {
Sys_Printf ("Set coop level failed\n");
FreeSound ();
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;
if (!COM_CheckParm ("-snoforceformat")) {
if (DS_OK ==
IDirectSound_CreateSoundBuffer (pDS, &dsbuf, &pDSPBuf, NULL)) {
pformat = format;
if (DS_OK != IDirectSoundBuffer_SetFormat (pDSPBuf, &pformat)) {
} else
primary_format_set = true;
}
}
if (!primary_format_set || !COM_CheckParm ("-primarysound")) {
// 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);
if (DS_OK !=
IDirectSound_CreateSoundBuffer (pDS, &dsbuf, &pDSBuf, NULL)) {
Sys_Printf ("DS:CreateSoundBuffer Failed");
FreeSound ();
return SIS_FAILURE;
}
sn.channels = format.nChannels;
sn.samplebits = format.wBitsPerSample;
sn.speed = format.nSamplesPerSec;
if (DS_OK != IDirectSound_GetCaps (pDSBuf, &dsbcaps)) {
Sys_Printf ("DS:GetCaps failed\n");
FreeSound ();
return SIS_FAILURE;
}
} else {
if (DS_OK !=
IDirectSound_SetCooperativeLevel (pDS, mainwindow,
DSSCL_WRITEPRIMARY)) {
Sys_Printf ("Set coop level failed\n");
FreeSound ();
return SIS_FAILURE;
}
if (DS_OK != IDirectSound_GetCaps (pDSPBuf, &dsbcaps)) {
Sys_Printf ("DS:GetCaps failed\n");
return SIS_FAILURE;
}
pDSBuf = pDSPBuf;
}
// Make sure mixer is active
IDirectSoundBuffer_Play (pDSBuf, 0, 0, DSBPLAY_LOOPING);
gSndBufSize = dsbcaps.dwBufferBytes;
// initialize the buffer
reps = 0;
while ((hresult = IDirectSoundBuffer_Lock (pDSBuf, 0, gSndBufSize,
(LPVOID *)(char *)&lpData, &dwSize, NULL, NULL, 0)) != DS_OK) {
if (hresult != DSERR_BUFFERLOST) {
Sys_Printf ("SNDDMA_InitDirect: DS::Lock Sound Buffer Failed\n");
FreeSound ();
return SIS_FAILURE;
}
if (++reps > 10000) {
Sys_Printf ("SNDDMA_InitDirect: DS: couldn't restore buffer\n");
FreeSound ();
return SIS_FAILURE;
}
}
memset (lpData, 0, dwSize);
// lpData[4] = lpData[5] = 0x7f; // force a pop for debugging
IDirectSoundBuffer_Unlock (pDSBuf, lpData, dwSize, NULL, 0);
/* we don't want anyone to access the buffer directly w/o locking it
first. */
// lpData = NULL;
IDirectSoundBuffer_Stop (pDSBuf);
IDirectSoundBuffer_GetCurrentPosition (pDSBuf, &mmstarttime.u.sample,
&dwWrite);
IDirectSoundBuffer_Play (pDSBuf, 0, 0, DSBPLAY_LOOPING);
sn.soundalive = true;
sn.splitbuffer = false;
sn.samples = gSndBufSize / (sn.samplebits / 8);
sn.samplepos = 0;
sn.submission_chunk = 1;
sn.buffer = lpData;
sample16 = (sn.samplebits / 8) - 1;
dsound_init = true;
return SIS_SUCCESS;
}
/*
SNDDMA_Init
Try to find a sound device to mix for.
Returns false if nothing is found.
*/
static volatile dma_t *
SNDDMA_Init (void)
{
sndinitstat stat;
stat = SIS_FAILURE; // assume DirectSound won't
// initialize
/* Init DirectSound */
if (snd_firsttime) {
snd_firsttime = false;
stat = SNDDMA_InitDirect ();
if (stat == SIS_SUCCESS) {
Sys_Printf ("DirectSound initialized\n");
} else {
Sys_Printf ("DirectSound failed to init\n");
return 0;
}
}
return &sn;
}
/*
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.
*/
static int
SNDDMA_GetDMAPos (void)
{
int s = 0;
DWORD dwWrite;
MMTIME mmtime;
unsigned long *pbuf;
pbuf = DSOUND_LockBuffer (true);
if (!pbuf) {
Sys_Printf ("DSOUND_LockBuffer fails!\n");
return -1;
}
sn.buffer = (unsigned char *) pbuf;
mmtime.wType = TIME_SAMPLES;
IDirectSoundBuffer_GetCurrentPosition (pDSBuf, &mmtime.u.sample,
&dwWrite);
s = mmtime.u.sample - mmstarttime.u.sample;
s >>= sample16;
s &= (sn.samples - 1);
return s;
}
/*
SNDDMA_Submit
Send sound to device if buffer isn't really the dma buffer
*/
static void
SNDDMA_Submit (void)
{
DSOUND_LockBuffer (false);
}
/*
SNDDMA_Shutdown
Reset the sound device for exiting
*/
static void
SNDDMA_Shutdown (void)
{
FreeSound ();
}
DWORD *
DSOUND_LockBuffer (qboolean lockit)
{
int reps;
static DWORD dwSize;
static DWORD dwSize2;
static DWORD *pbuf1;
static DWORD *pbuf2;
HRESULT hresult;
if (!pDSBuf)
return NULL;
if (lockit) {
reps = 0;
while ((hresult = IDirectSoundBuffer_Lock
(pDSBuf, 0, gSndBufSize, (LPVOID *)(char *) &pbuf1, &dwSize,
(LPVOID *)(char *) &pbuf2, &dwSize2, 0)) != DS_OK) {
if (hresult != DSERR_BUFFERLOST) {
Sys_Printf
("S_TransferStereo16: DS::Lock Sound Buffer Failed\n");
SNDDMA_Shutdown ();
SNDDMA_Init ();
return NULL;
}
if (++reps > 10000) {
Sys_Printf
("S_TransferStereo16: DS: couldn't restore buffer\n");
SNDDMA_Shutdown ();
SNDDMA_Init ();
return NULL;
}
}
} else {
IDirectSoundBuffer_Unlock (pDSBuf, pbuf1, dwSize, NULL, 0);
pbuf1 = NULL;
pbuf2 = NULL;
dwSize = 0;
dwSize2 = 0;
}
return (pbuf1);
}
void
DSOUND_ClearBuffer (int clear)
{
DWORD *pData;
// FIXME: this should be called with 2nd pbuf2 = NULL, dwsize =0
pData = DSOUND_LockBuffer (true);
memset (pData, clear, sn.samples * sn.samplebits / 8);
DSOUND_LockBuffer (false);
}
void
DSOUND_Restore (void)
{
// if the buffer was lost or stopped, restore it and/or restart it
DWORD dwStatus;
if (!pDSBuf)
return;
if (IDirectSoundBuffer_GetStatus (pDSBuf, &dwStatus) != DS_OK)
Sys_Printf ("Couldn't get sound buffer status\n");
if (dwStatus & DSBSTATUS_BUFFERLOST)
IDirectSoundBuffer_Restore (pDSBuf);
if (!(dwStatus & DSBSTATUS_PLAYING))
IDirectSoundBuffer_Play (pDSBuf, 0, 0, DSBPLAY_LOOPING);
return;
}
PLUGIN_INFO(snd_output, dx)
{
plugin_info.type = qfp_snd_output;
plugin_info.api_version = QFPLUGIN_VERSION;
plugin_info.plugin_version = "0.1";
plugin_info.description = "Windows DirectX output";
plugin_info.copyright = "Copyright (C) 1996-1997 id Software, Inc.\n"
"Copyright (C) 1999,2000,2001,2002,2003 contributors of the QuakeForge "
"project\n"
"Please see the file \"AUTHORS\" for a list of contributors";
plugin_info.functions = &plugin_info_funcs;
plugin_info.data = &plugin_info_data;
plugin_info_data.general = &plugin_info_general_data;
plugin_info_data.input = NULL;
plugin_info_data.snd_output = &plugin_info_snd_output_data;
plugin_info_funcs.general = &plugin_info_general_funcs;
plugin_info_funcs.input = NULL;
plugin_info_funcs.snd_output = &plugin_info_snd_output_funcs;
plugin_info_general_funcs.p_Init = SNDDMA_Init_Cvars;
plugin_info_general_funcs.p_Shutdown = NULL;
plugin_info_snd_output_funcs.pS_O_Init = SNDDMA_Init;
plugin_info_snd_output_funcs.pS_O_Shutdown = SNDDMA_Shutdown;
plugin_info_snd_output_funcs.pS_O_GetDMAPos = SNDDMA_GetDMAPos;
plugin_info_snd_output_funcs.pS_O_Submit = SNDDMA_Submit;
plugin_info_snd_output_funcs.pS_O_BlockSound = SNDDMA_BlockSound;
plugin_info_snd_output_funcs.pS_O_UnblockSound = SNDDMA_UnblockSound;
return &plugin_info;
}
Reference in New Issue View Git Blame Copy Permalink