#include <mmsystem.h>
#include <dsound.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;
HRESULT (WINAPI *pDirectSoundCreate)(GUID FAR *lpGUID, LPDIRECTSOUND FAR *lplpDS, IUnknown FAR *pUnkOuter);
// Wave output: 64KB in 64 buffers of 1KB
// (64KB is > 1 sec at 16-bit 22050 Hz mono, and is 1/3 sec at 16-bit 44100 Hz stereo)
-#define WAV_BUFFERS 64
-#define WAV_MASK (WAV_BUFFERS - 1)
-#define WAV_BUFFER_SIZE 1024
+#define WAV_BUFFERS 64
+#define WAV_MASK (WAV_BUFFERS - 1)
+static unsigned int wav_buffer_size;
// DirectSound output: 64KB in 1 buffer
-#define SECONDARY_BUFFER_SIZE (64 * 1024)
+#define SECONDARY_BUFFER_SIZE(fmt_ptr) ((fmt_ptr)->width * (fmt_ptr)->channels * (fmt_ptr)->speed / 2)
typedef enum sndinitstat_e {SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;
sndinitstat SNDDMA_InitDirect (void);
+/*
+==================
+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;
+
+ if (requested->channels <= 2)
+ {
+ pfmtex->wFormatTag = WAVE_FORMAT_PCM;
+ pfmtex->cbSize = 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;
+ }
+ }
+
+ return true;
+}
+
+
/*
==================
SndSys_InitDirectSound
DirectSound 5 support
==================
*/
-static sndinitstat SndSys_InitDirectSound (const snd_format_t* requested, snd_format_t* suggested)
+static sndinitstat SndSys_InitDirectSound (const snd_format_t* requested)
{
- DSBUFFERDESC dsbuf;
- DSBCAPS dsbcaps;
- DWORD dwSize;
- DSCAPS dscaps;
- WAVEFORMATEX format, pformat;
- HRESULT hresult;
- int reps;
-
- memset (&format, 0, sizeof(format));
- format.wFormatTag = WAVE_FORMAT_PCM;
- format.nChannels = requested->channels;
- format.wBitsPerSample = requested->width * 8;
- format.nSamplesPerSec = requested->speed;
- format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8;
- format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
- format.cbSize = 0;
+ 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)
{
{
pformat = format;
- if (DS_OK != IDirectSoundBuffer_SetFormat (pDSPBuf, &pformat))
+ if (DS_OK != IDirectSoundBuffer_SetFormat (pDSPBuf, (WAVEFORMATEX*)&pformat))
{
Con_Print("Set primary sound buffer format: no\n");
}
memset (&dsbuf, 0, sizeof(dsbuf));
dsbuf.dwSize = sizeof(DSBUFFERDESC);
dsbuf.dwFlags = DSBCAPS_CTRLFREQUENCY | DSBCAPS_LOCSOFTWARE;
- dsbuf.dwBufferBytes = SECONDARY_BUFFER_SIZE;
- dsbuf.lpwfxFormat = &format;
+ 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.nChannels ||
- requested->width != format.wBitsPerSample / 8 ||
- requested->speed != format.nSamplesPerSec)
+ 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",
- result, format.nChannels, format.wBitsPerSample / 8, format.nSamplesPerSec);
+ result, format.Format.nChannels, format.Format.wBitsPerSample / 8, format.Format.nSamplesPerSec);
SndSys_Shutdown ();
return SIS_FAILURE;
}
Crappy windows multimedia base
==================
*/
-static qboolean SndSys_InitMmsystem (const snd_format_t* requested, snd_format_t* suggested)
+static qboolean SndSys_InitMmsystem (const snd_format_t* requested)
{
- WAVEFORMATEX format;
+ WAVEFORMATEXTENSIBLE format;
int i;
HRESULT hr;
- memset (&format, 0, sizeof(format));
- format.wFormatTag = WAVE_FORMAT_PCM;
- format.nChannels = requested->channels;
- format.wBitsPerSample = requested->width * 8;
- format.nSamplesPerSec = requested->speed;
- format.nBlockAlign = format.nChannels * format.wBitsPerSample / 8;
- format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
- format.cbSize = 0;
+ if (! SndSys_BuildWaveFormat(requested, &format))
+ return false;
// Open a waveform device for output using window callback
- while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER,
- &format,
+ while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER, (WAVEFORMATEX*)&format,
0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR)
{
if (hr != MMSYSERR_ALLOCATED)
}
}
+ wav_buffer_size = (requested->speed / 2 / WAV_BUFFERS) * 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;
+ gSndBufSize = WAV_BUFFERS * wav_buffer_size;
hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, gSndBufSize);
if (!hData)
{
* also be globally allocated with GMEM_MOVEABLE and
* GMEM_SHARE flags.
*/
- hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
- (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
+ hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
if (hWaveHdr == NULL)
{
// 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;
+ lpWaveHdr[i].dwBufferLength = wav_buffer_size;
+ lpWaveHdr[i].lpData = lpData + i * wav_buffer_size;
- if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) !=
- MMSYSERR_NOERROR)
+ if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) != MMSYSERR_NOERROR)
{
Con_Print("Sound: failed to prepare wave headers\n");
SndSys_Shutdown ();
// Init DirectSound
if (!wavonly)
{
- stat = SndSys_InitDirectSound (requested, suggested);
+ stat = SndSys_InitDirectSound (requested);
if (stat == SIS_SUCCESS)
Con_Print("DirectSound initialized\n");
// to have sound)
if (!dsound_init && (stat != SIS_NOTAVAIL))
{
- if (SndSys_InitMmsystem (requested, suggested))
+ if (SndSys_InitMmsystem (requested))
Con_Print("Wave sound (MMSYSTEM) initialized\n");
else
Con_Print("Wave sound failed to init\n");
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;
+ 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)
+ while (paintpot > wav_buffer_size)
{
h = lpWaveHdr + (snd_sent & WAV_MASK);
return;
}
- paintpot -= WAV_BUFFER_SIZE;
+ paintpot -= wav_buffer_size;
}
}
*/
unsigned int SndSys_GetSoundTime (void)
{
- unsigned int s;
+ unsigned int factor;
+
+ factor = snd_renderbuffer->format.width * snd_renderbuffer->format.channels;
if (dsound_init)
{
DWORD dwTime;
+ unsigned int diff;
IDirectSoundBuffer_GetCurrentPosition(pDSBuf, &dwTime, NULL);
- s = (dwTime - dwStartTime) & (gSndBufSize - 1);
+ if (dwTime > dwStartTime)
+ diff = dwTime - dwStartTime;
+ else
+ diff = gSndBufSize - dwStartTime + dwTime;
dwStartTime = dwTime;
- dsound_time += s / (snd_renderbuffer->format.width * snd_renderbuffer->format.channels);
+ dsound_time += diff / factor;
return dsound_time;
}
snd_completed++; // this buffer has been played
}
- s = snd_completed * WAV_BUFFER_SIZE;
-
- return s / (snd_renderbuffer->format.width * snd_renderbuffer->format.channels);
+ return (snd_completed * wav_buffer_size) / factor;
}
return 0;
projects / xonotic / darkplaces.git / commitdiff