raze-gles/source/audiolib/src/driver_directsound.cpp
terminx 635a929359 Audiolib housekeeping
git-svn-id: https://svn.eduke32.com/eduke32@7918 1a8010ca-5511-0410-912e-c29ae57300e0

# Conflicts:
#	source/audiolib/src/multivoc.cpp
2019-09-20 15:50:09 +02:00

429 lines
12 KiB
C++

/*
Copyright (C) 2009 Jonathon Fowler <jf@jonof.id.au>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* DirectSound output driver for MultiVoc
*/
#define NEED_MMSYSTEM_H
#define NEED_DSOUND_H
#include "driver_directsound.h"
#include "compat.h"
#include "multivoc.h"
#include "mutex.h"
#include "windows_inc.h"
#define MIXBUFFERPOSITIONS 8
static int32_t ErrorCode;
static int32_t Initialised;
static int32_t Playing;
static char * MixBuffer;
static int32_t MixBufferSize;
static int32_t MixBufferCount;
static int32_t MixBufferCurrent;
static int32_t MixBufferUsed;
static void (*MixCallBack)(void);
static LPDIRECTSOUND lpds;
static LPDIRECTSOUNDBUFFER lpdsbprimary, lpdsbsec;
static LPDIRECTSOUNDNOTIFY lpdsnotify;
static HANDLE mixThread;
static mutex_t mutex;
static DSBPOSITIONNOTIFY notifyPositions[MIXBUFFERPOSITIONS + 1] = {};
static void FillBufferPosition(char * ptr, int32_t remaining)
{
int32_t len = 0;
do
{
if (MixBufferUsed == MixBufferSize)
{
MixCallBack();
MixBufferUsed = 0;
if (++MixBufferCurrent >= MixBufferCount)
MixBufferCurrent -= MixBufferCount;
}
do
{
char *sptr = MixBuffer + (MixBufferCurrent * MixBufferSize) + MixBufferUsed;
len = MixBufferSize - MixBufferUsed;
if (remaining < len)
len = remaining;
memcpy(ptr, sptr, len);
ptr += len;
MixBufferUsed += len;
remaining -= len;
}
while (remaining >= len && MixBufferUsed < MixBufferSize);
}
while (remaining >= len);
}
static void FillBuffer(int32_t bufnum)
{
LPVOID ptr, ptr2;
DWORD remaining, remaining2;
int32_t retries = 1;
do
{
HRESULT err = IDirectSoundBuffer_Lock(lpdsbsec, notifyPositions[bufnum].dwOffset, notifyPositions[1].dwOffset,
&ptr, &remaining, &ptr2, &remaining2, 0);
if (EDUKE32_PREDICT_FALSE(FAILED(err)))
{
if (err == DSERR_BUFFERLOST)
{
if (FAILED(err = IDirectSoundBuffer_Restore(lpdsbsec)))
goto fail;
if (retries-- > 0)
continue;
}
fail:
if (MV_Printf)
MV_Printf("DirectSound FillBuffer: err %x\n", (uint32_t)err);
return;
}
break;
}
while (1);
if (ptr && remaining)
FillBufferPosition((char *)ptr, remaining);
if (ptr2 && remaining2)
FillBufferPosition((char *)ptr2, remaining2);
IDirectSoundBuffer_Unlock(lpdsbsec, ptr, remaining, ptr2, remaining2);
}
static DWORD WINAPI fillDataThread(LPVOID lpParameter)
{
UNREFERENCED_PARAMETER(lpParameter);
HANDLE handles[MIXBUFFERPOSITIONS+1];
for (int i = 0; i < ARRAY_SSIZE(handles); i++)
handles[i] = notifyPositions[i].hEventNotify;
do
{
DWORD const waitret = WaitForMultipleObjects(MIXBUFFERPOSITIONS, handles, FALSE, INFINITE);
if (waitret >= WAIT_OBJECT_0 && waitret < WAIT_OBJECT_0+MIXBUFFERPOSITIONS)
{
mutex_lock(&mutex);
FillBuffer((waitret + MIXBUFFERPOSITIONS - 1 - WAIT_OBJECT_0) % MIXBUFFERPOSITIONS);
mutex_unlock(&mutex);
}
else
{
switch (waitret)
{
case WAIT_OBJECT_0 + MIXBUFFERPOSITIONS:
ExitThread(0);
break;
default:
if (MV_Printf)
MV_Printf("DirectSound fillDataThread: wfmo err %d\n", (int32_t)waitret);
break;
}
}
}
while (1);
return 0;
}
static void TeardownDSound(HRESULT err)
{
if (FAILED(err))
{
if (MV_Printf)
MV_Printf("Dying error: %x\n", (uint32_t)err);
}
if (lpdsnotify)
IDirectSoundNotify_Release(lpdsnotify), lpdsnotify = NULL;
for (int i = 0; i < MIXBUFFERPOSITIONS + 1; i++)
{
if (notifyPositions[i].hEventNotify)
CloseHandle(notifyPositions[i].hEventNotify);
notifyPositions[i].hEventNotify = 0;
}
#ifdef RENDERTYPEWIN
if (mutex)
CloseHandle(mutex), mutex = NULL;
#endif
if (lpdsbsec)
IDirectSoundBuffer_Release(lpdsbsec), lpdsbsec = NULL;
if (lpdsbprimary)
IDirectSoundBuffer_Release(lpdsbprimary), lpdsbprimary = NULL;
if (lpds)
IDirectSound_Release(lpds), lpds = NULL;
}
static int DirectSound_Error(HRESULT err, int code)
{
TeardownDSound(err);
ErrorCode = code;
return DSErr_Error;
}
int32_t DirectSoundDrv_PCM_Init(int32_t *mixrate, int32_t *numchannels, void * initdata)
{
HRESULT err;
DSBUFFERDESC bufdesc = {};
WAVEFORMATEX wfex = {};
if (Initialised)
DirectSoundDrv_PCM_Shutdown();
if (FAILED(err = DirectSoundCreate(0, &lpds, 0)))
return DirectSound_Error(err, DSErr_DirectSoundCreate);
if (FAILED(err = IDirectSound_SetCooperativeLevel(lpds, (HWND) initdata, DSSCL_PRIORITY)))
return DirectSound_Error(err, DSErr_SetCooperativeLevel);
bufdesc.dwSize = sizeof(DSBUFFERDESC);
bufdesc.dwFlags = DSBCAPS_LOCSOFTWARE | DSBCAPS_PRIMARYBUFFER | DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS;
if (FAILED(err = IDirectSound_CreateSoundBuffer(lpds, &bufdesc, &lpdsbprimary, 0)))
return DirectSound_Error(err, DSErr_CreateSoundBuffer);
wfex.wFormatTag = WAVE_FORMAT_PCM;
wfex.nChannels = *numchannels;
wfex.nSamplesPerSec = *mixrate;
wfex.wBitsPerSample = 16;
wfex.nBlockAlign = wfex.nChannels * wfex.wBitsPerSample / 8;
wfex.nAvgBytesPerSec = wfex.nSamplesPerSec * wfex.nBlockAlign;
if (FAILED(err = IDirectSoundBuffer_SetFormat(lpdsbprimary, &wfex)))
return DirectSound_Error(err, DSErr_SetFormat);
bufdesc.dwFlags = DSBCAPS_LOCSOFTWARE | DSBCAPS_CTRLPOSITIONNOTIFY | DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS;
bufdesc.dwBufferBytes = wfex.nBlockAlign * 2048 * 2;
bufdesc.lpwfxFormat = &wfex;
if (FAILED(err = IDirectSound_CreateSoundBuffer(lpds, &bufdesc, &lpdsbsec, 0)))
return DirectSound_Error(err, DSErr_CreateSoundBufferSecondary);
if (FAILED(err = IDirectSoundBuffer_QueryInterface(lpdsbsec, &IID_IDirectSoundNotify, (LPVOID *)&lpdsnotify)))
return DirectSound_Error(err, DSErr_Notify);
for (int i = 0; i < MIXBUFFERPOSITIONS; i++)
{
notifyPositions[i].dwOffset = (bufdesc.dwBufferBytes/MIXBUFFERPOSITIONS)*i;
notifyPositions[i].hEventNotify = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!notifyPositions[i].hEventNotify)
return DirectSound_Error(DS_OK, DSErr_NotifyEvents);
}
notifyPositions[MIXBUFFERPOSITIONS].dwOffset = DSBPN_OFFSETSTOP;
notifyPositions[MIXBUFFERPOSITIONS].hEventNotify = CreateEvent(NULL, FALSE, FALSE, NULL);
if (FAILED(err = IDirectSoundNotify_SetNotificationPositions(lpdsnotify, MIXBUFFERPOSITIONS+1, notifyPositions)))
return DirectSound_Error(err, DSErr_SetNotificationPositions);
if (FAILED(err = IDirectSoundBuffer_Play(lpdsbprimary, 0, 0, DSBPLAY_LOOPING)))
return DirectSound_Error(err, DSErr_Play);
mutex_init(&mutex);
Initialised = 1;
return DSErr_Ok;
}
void DirectSoundDrv_PCM_Shutdown(void)
{
if (!Initialised)
return;
DirectSoundDrv_PCM_StopPlayback();
TeardownDSound(DS_OK);
Initialised = 0;
}
int32_t DirectSoundDrv_PCM_BeginPlayback(char *BufferStart, int32_t BufferSize, int32_t NumDivisions, void (*CallBackFunc)(void))
{
if (!Initialised)
{
ErrorCode = DSErr_Uninitialised;
return DSErr_Error;
}
DirectSoundDrv_PCM_StopPlayback();
MixBuffer = BufferStart;
MixBufferSize = BufferSize;
MixBufferCount = NumDivisions;
MixBufferCurrent = 0;
MixBufferUsed = 0;
MixCallBack = CallBackFunc;
// prime the buffer
FillBuffer(0);
if ((mixThread = CreateThread(NULL, 0, fillDataThread, 0, 0, 0)) == NULL)
{
ErrorCode = DSErr_CreateThread;
return DSErr_Error;
}
SetThreadPriority(mixThread, THREAD_PRIORITY_ABOVE_NORMAL);
HRESULT err = IDirectSoundBuffer_Play(lpdsbsec, 0, 0, DSBPLAY_LOOPING);
if (FAILED(err))
{
ErrorCode = DSErr_PlaySecondary;
return DSErr_Error;
}
Playing = 1;
return DSErr_Ok;
}
void DirectSoundDrv_PCM_StopPlayback(void)
{
if (!Playing)
return;
IDirectSoundBuffer_Stop(lpdsbsec);
IDirectSoundBuffer_SetCurrentPosition(lpdsbsec, 0);
Playing = 0;
}
void DirectSoundDrv_PCM_Lock(void)
{
mutex_lock(&mutex);
}
void DirectSoundDrv_PCM_Unlock(void)
{
mutex_unlock(&mutex);
}
int32_t DirectSoundDrv_GetError(void)
{
return ErrorCode;
}
const char *DirectSoundDrv_ErrorString(int32_t ErrorNumber)
{
const char *ErrorString;
switch (ErrorNumber)
{
case DSErr_Warning:
case DSErr_Error:
ErrorString = DirectSoundDrv_ErrorString(ErrorCode);
break;
case DSErr_Ok:
ErrorString = "DirectSound ok.";
break;
case DSErr_Uninitialised:
ErrorString = "DirectSound uninitialised.";
break;
case DSErr_DirectSoundCreate:
ErrorString = "DirectSound error: DirectSoundCreate failed.";
break;
case DSErr_SetCooperativeLevel:
ErrorString = "DirectSound error: SetCooperativeLevel failed.";
break;
case DSErr_CreateSoundBuffer:
ErrorString = "DirectSound error: primary CreateSoundBuffer failed.";
break;
case DSErr_CreateSoundBufferSecondary:
ErrorString = "DirectSound error: secondary CreateSoundBuffer failed.";
break;
case DSErr_SetFormat:
ErrorString = "DirectSound error: primary buffer SetFormat failed.";
break;
case DSErr_SetFormatSecondary:
ErrorString = "DirectSound error: secondary buffer SetFormat failed.";
break;
case DSErr_Notify:
ErrorString = "DirectSound error: failed querying secondary buffer for notify interface.";
break;
case DSErr_NotifyEvents:
ErrorString = "DirectSound error: failed creating notify events.";
break;
case DSErr_SetNotificationPositions:
ErrorString = "DirectSound error: failed setting notification positions.";
break;
case DSErr_Play:
ErrorString = "DirectSound error: primary buffer Play failed.";
break;
case DSErr_PlaySecondary:
ErrorString = "DirectSound error: secondary buffer Play failed.";
break;
case DSErr_CreateThread:
ErrorString = "DirectSound error: failed creating mix thread.";
break;
default:
ErrorString = "Unknown DirectSound error code.";
break;
}
return ErrorString;
}