Sweden-Number/dlls/dsound/dsound_private.h

235 lines
7.9 KiB
C

/* DirectSound
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2001 TransGaming Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Linux does not support better timing than 10ms */
#define DS_TIME_RES 10 /* Resolution of multimedia timer */
#define DS_TIME_DEL 10 /* Delay of multimedia timer callback, and duration of HEL fragment */
#define DS_HEL_FRAGS 48 /* HEL only: number of waveOut fragments in primary buffer
* (changing this won't help you) */
extern int ds_emuldriver;
extern int ds_hel_margin;
extern int ds_hel_queue;
extern int ds_snd_queue_max;
extern int ds_snd_queue_min;
/*****************************************************************************
* Predeclare the interface implementation structures
*/
typedef struct IDirectSoundImpl IDirectSoundImpl;
typedef struct IDirectSoundBufferImpl IDirectSoundBufferImpl;
typedef struct IDirectSoundNotifyImpl IDirectSoundNotifyImpl;
typedef struct IDirectSound3DListenerImpl IDirectSound3DListenerImpl;
typedef struct IDirectSound3DBufferImpl IDirectSound3DBufferImpl;
typedef struct IKsPropertySetImpl IKsPropertySetImpl;
typedef struct PrimaryBufferImpl PrimaryBufferImpl;
/*****************************************************************************
* IDirectSound implementation structure
*/
struct IDirectSoundImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDirectSound8);
DWORD ref;
/* IDirectSoundImpl fields */
PIDSDRIVER driver;
DSDRIVERDESC drvdesc;
DSDRIVERCAPS drvcaps;
DWORD priolevel;
WAVEFORMATEX wfx; /* current main waveformat */
HWAVEOUT hwo;
LPWAVEHDR pwave[DS_HEL_FRAGS];
UINT timerID, pwplay, pwwrite, pwqueue, prebuf, precount;
DWORD fraglen;
PIDSDRIVERBUFFER hwbuf;
LPBYTE buffer;
DWORD writelead, buflen, state, playpos, mixpos;
BOOL need_remix;
int nrofbuffers;
IDirectSoundBufferImpl** buffers;
IDirectSound3DListenerImpl* listener;
RTL_RWLOCK lock;
CRITICAL_SECTION mixlock;
DSVOLUMEPAN volpan;
};
/*****************************************************************************
* IDirectSoundBuffer implementation structure
*/
struct IDirectSoundBufferImpl
{
/* FIXME: document */
/* IUnknown fields */
ICOM_VFIELD(IDirectSoundBuffer8);
DWORD ref;
/* IDirectSoundBufferImpl fields */
IDirectSoundImpl* dsound;
IDirectSoundBufferImpl* parent; /* for duplicates */
IDirectSound3DBufferImpl* ds3db;
IKsPropertySetImpl* iks;
CRITICAL_SECTION lock;
PIDSDRIVERBUFFER hwbuf;
WAVEFORMATEX wfx;
LPBYTE buffer;
DWORD playflags,state,leadin;
DWORD playpos,startpos,writelead,buflen;
DWORD nAvgBytesPerSec;
DWORD freq;
DSVOLUMEPAN volpan, cvolpan;
DSBUFFERDESC dsbd;
/* used for frequency conversion (PerfectPitch) */
ULONG freqAdjust, freqAcc;
/* used for intelligent (well, sort of) prebuffering */
DWORD probably_valid_to, last_playpos;
DWORD primary_mixpos, buf_mixpos;
BOOL need_remix;
/* IDirectSoundNotifyImpl fields */
LPDSBPOSITIONNOTIFY notifies;
int nrofnotifies;
};
HRESULT WINAPI SecondaryBuffer_Create(
IDirectSoundImpl *This,
IDirectSoundBufferImpl **pdsb,
LPDSBUFFERDESC dsbd);
struct PrimaryBufferImpl {
ICOM_VFIELD(IDirectSoundBuffer8);
DWORD ref;
IDirectSoundImpl* dsound;
DSBUFFERDESC dsbd;
};
HRESULT WINAPI PrimaryBuffer_Create(
IDirectSoundImpl *This,
PrimaryBufferImpl **pdsb,
LPDSBUFFERDESC dsbd);
/*****************************************************************************
* IDirectSoundNotify implementation structure
*/
struct IDirectSoundNotifyImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDirectSoundNotify);
DWORD ref;
/* IDirectSoundNotifyImpl fields */
IDirectSoundBufferImpl* dsb;
};
/*****************************************************************************
* IDirectSound3DListener implementation structure
*/
struct IDirectSound3DListenerImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDirectSound3DListener);
DWORD ref;
/* IDirectSound3DListenerImpl fields */
PrimaryBufferImpl* dsb;
DS3DLISTENER ds3dl;
CRITICAL_SECTION lock;
BOOL need_recalc;
};
HRESULT WINAPI IDirectSound3DListenerImpl_Create(
PrimaryBufferImpl *This,
IDirectSound3DListenerImpl **pdsl);
/*****************************************************************************
* IKsPropertySet implementation structure
*/
struct IKsPropertySetImpl
{
/* IUnknown fields */
ICOM_VFIELD(IKsPropertySet);
DWORD ref;
/* IKsPropertySetImpl fields */
IDirectSoundBufferImpl* dsb;
};
HRESULT WINAPI IKsPropertySetImpl_Create(
IDirectSoundBufferImpl *This,
IKsPropertySetImpl **piks);
/*****************************************************************************
* IDirectSound3DBuffer implementation structure
*/
struct IDirectSound3DBufferImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDirectSound3DBuffer);
DWORD ref;
/* IDirectSound3DBufferImpl fields */
IDirectSoundBufferImpl* dsb;
DS3DBUFFER ds3db;
LONG lVolume;
CRITICAL_SECTION lock;
BOOL need_recalc;
};
HRESULT WINAPI IDirectSound3DBufferImpl_Create(
IDirectSoundBufferImpl *This,
IDirectSound3DBufferImpl **pds3db);
void DSOUND_RecalcVolPan(PDSVOLUMEPAN volpan);
void DSOUND_RecalcFormat(IDirectSoundBufferImpl *dsb);
/* primary.c */
HRESULT DSOUND_PrimaryCreate(IDirectSoundImpl *This);
HRESULT DSOUND_PrimaryDestroy(IDirectSoundImpl *This);
HRESULT DSOUND_PrimaryPlay(IDirectSoundImpl *This);
HRESULT DSOUND_PrimaryStop(IDirectSoundImpl *This);
HRESULT DSOUND_PrimaryGetPosition(IDirectSoundImpl *This, LPDWORD playpos, LPDWORD writepos);
/* buffer.c */
DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix);
/* mixer.c */
void DSOUND_CheckEvent(IDirectSoundBufferImpl *dsb, int len);
void DSOUND_ForceRemix(IDirectSoundBufferImpl *dsb);
void DSOUND_MixCancelAt(IDirectSoundBufferImpl *dsb, DWORD buf_writepos);
void DSOUND_WaveQueue(IDirectSoundImpl *dsound, DWORD mixq);
void DSOUND_PerformMix(void);
void CALLBACK DSOUND_timer(UINT timerID, UINT msg, DWORD dwUser, DWORD dw1, DWORD dw2);
void CALLBACK DSOUND_callback(HWAVEOUT hwo, UINT msg, DWORD dwUser, DWORD dw1, DWORD dw2);
#define STATE_STOPPED 0
#define STATE_STARTING 1
#define STATE_PLAYING 2
#define STATE_STOPPING 3
#define DSOUND_FREQSHIFT (14)
extern IDirectSoundImpl* dsound;
struct PrimaryBuffer {
DWORD ref;
PIDSDRIVERBUFFER hwbuf;
DWORD state;
};