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404 lines
13 KiB
C
404 lines
13 KiB
C
/* DirectSound
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*
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* Copyright 1998 Marcus Meissner
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* Copyright 1998 Rob Riggs
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* Copyright 2000-2001 TransGaming Technologies, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Linux does not support better timing than 10ms */
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#define DS_TIME_RES 10 /* Resolution of multimedia timer */
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#define DS_TIME_DEL 10 /* Delay of multimedia timer callback, and duration of HEL fragment */
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#define DS_HEL_FRAGS 48 /* HEL only: number of waveOut fragments in primary buffer
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* (changing this won't help you) */
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/* direct sound hardware acceleration levels */
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#define DS_HW_ACCEL_FULL 0 /* default on Windows 98 */
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#define DS_HW_ACCEL_STANDARD 1 /* default on Windows 2000 */
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#define DS_HW_ACCEL_BASIC 2
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#define DS_HW_ACCEL_EMULATION 3
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extern int ds_emuldriver;
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extern int ds_hel_margin;
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extern int ds_hel_queue;
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extern int ds_snd_queue_max;
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extern int ds_snd_queue_min;
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extern int ds_hw_accel;
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extern int ds_default_playback;
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extern int ds_default_capture;
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/*****************************************************************************
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* Predeclare the interface implementation structures
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*/
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typedef struct IDirectSoundImpl IDirectSoundImpl;
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typedef struct IDirectSoundBufferImpl IDirectSoundBufferImpl;
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typedef struct IDirectSoundCaptureImpl IDirectSoundCaptureImpl;
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typedef struct IDirectSoundCaptureBufferImpl IDirectSoundCaptureBufferImpl;
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typedef struct IDirectSoundFullDuplexImpl IDirectSoundFullDuplexImpl;
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typedef struct IDirectSoundNotifyImpl IDirectSoundNotifyImpl;
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typedef struct IDirectSoundCaptureNotifyImpl IDirectSoundCaptureNotifyImpl;
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typedef struct IDirectSound3DListenerImpl IDirectSound3DListenerImpl;
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typedef struct IDirectSound3DBufferImpl IDirectSound3DBufferImpl;
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typedef struct IKsBufferPropertySetImpl IKsBufferPropertySetImpl;
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typedef struct IKsPrivatePropertySetImpl IKsPrivatePropertySetImpl;
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typedef struct PrimaryBufferImpl PrimaryBufferImpl;
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typedef struct SecondaryBufferImpl SecondaryBufferImpl;
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typedef struct IClassFactoryImpl IClassFactoryImpl;
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/*****************************************************************************
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* IDirectSound implementation structure
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*/
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struct IDirectSoundImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSound8);
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DWORD ref;
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/* IDirectSoundImpl fields */
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GUID guid;
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PIDSDRIVER driver;
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DSDRIVERDESC drvdesc;
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DSDRIVERCAPS drvcaps;
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DWORD priolevel;
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WAVEFORMATEX wfx; /* current main waveformat */
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HWAVEOUT hwo;
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LPWAVEHDR pwave[DS_HEL_FRAGS];
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UINT timerID, pwplay, pwwrite, pwqueue, prebuf, precount;
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DWORD fraglen;
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PIDSDRIVERBUFFER hwbuf;
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LPBYTE buffer;
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DWORD writelead, buflen, state, playpos, mixpos;
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BOOL need_remix;
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int nrofbuffers;
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IDirectSoundBufferImpl** buffers;
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RTL_RWLOCK lock;
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CRITICAL_SECTION mixlock;
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DSVOLUMEPAN volpan;
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PrimaryBufferImpl* primary;
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DSBUFFERDESC dsbd;
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DWORD speaker_config;
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/* DirectSound3DListener fields */
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IDirectSound3DListenerImpl* listener;
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DS3DLISTENER ds3dl;
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CRITICAL_SECTION ds3dl_lock;
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BOOL ds3dl_need_recalc;
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};
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/* reference counted buffer memory for duplicated buffer memory */
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typedef struct BufferMemory
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{
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DWORD ref;
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LPBYTE memory;
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} BufferMemory;
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/*****************************************************************************
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* IDirectSoundBuffer implementation structure
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*/
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struct IDirectSoundBufferImpl
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{
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/* FIXME: document */
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSoundBuffer8);
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DWORD ref;
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/* IDirectSoundBufferImpl fields */
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SecondaryBufferImpl* dsb;
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IDirectSoundImpl* dsound;
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CRITICAL_SECTION lock;
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PIDSDRIVERBUFFER hwbuf;
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WAVEFORMATEX wfx;
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BufferMemory* buffer;
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DWORD playflags,state,leadin;
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DWORD playpos,startpos,writelead,buflen;
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DWORD nAvgBytesPerSec;
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DWORD freq;
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DSVOLUMEPAN volpan, cvolpan;
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DSBUFFERDESC dsbd;
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/* used for frequency conversion (PerfectPitch) */
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ULONG freqAdjust, freqAcc;
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/* used for intelligent (well, sort of) prebuffering */
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DWORD probably_valid_to, last_playpos;
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DWORD primary_mixpos, buf_mixpos;
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BOOL need_remix;
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/* IDirectSoundNotifyImpl fields */
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IDirectSoundNotifyImpl* notify;
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LPDSBPOSITIONNOTIFY notifies;
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int nrofnotifies;
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PIDSDRIVERNOTIFY hwnotify;
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/* DirectSound3DBuffer fields */
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IDirectSound3DBufferImpl* ds3db;
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DS3DBUFFER ds3db_ds3db;
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LONG ds3db_lVolume;
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BOOL ds3db_need_recalc;
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/* IKsPropertySet fields */
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IKsBufferPropertySetImpl* iks;
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};
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HRESULT WINAPI IDirectSoundBufferImpl_Create(
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IDirectSoundImpl *ds,
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IDirectSoundBufferImpl **pdsb,
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LPCDSBUFFERDESC dsbd);
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/*****************************************************************************
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* SecondaryBuffer implementation structure
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*/
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struct SecondaryBufferImpl
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{
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ICOM_VFIELD(IDirectSoundBuffer8);
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DWORD ref;
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IDirectSoundBufferImpl* dsb;
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};
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HRESULT WINAPI SecondaryBufferImpl_Create(
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IDirectSoundBufferImpl *dsb,
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SecondaryBufferImpl **pdsb);
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/*****************************************************************************
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* PrimaryBuffer implementation structure
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*/
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struct PrimaryBufferImpl
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{
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ICOM_VFIELD(IDirectSoundBuffer8);
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DWORD ref;
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IDirectSoundImpl* dsound;
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};
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HRESULT WINAPI PrimaryBufferImpl_Create(
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IDirectSoundImpl *ds,
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PrimaryBufferImpl **pdsb,
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LPCDSBUFFERDESC dsbd);
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/*****************************************************************************
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* IDirectSoundCapture implementation structure
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*/
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struct IDirectSoundCaptureImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSoundCapture);
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DWORD ref;
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/* IDirectSoundCaptureImpl fields */
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GUID guid;
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BOOL initialized;
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/* DirectSound driver stuff */
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PIDSCDRIVER driver;
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DSDRIVERDESC drvdesc;
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DSCDRIVERCAPS drvcaps;
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PIDSCDRIVERBUFFER hwbuf;
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/* wave driver info */
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HWAVEIN hwi;
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/* more stuff */
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LPBYTE buffer;
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DWORD buflen;
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DWORD read_position;
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PWAVEFORMATEX pwfx;
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IDirectSoundCaptureBufferImpl* capture_buffer;
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DWORD state;
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LPWAVEHDR pwave;
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int nrofpwaves;
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int index;
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CRITICAL_SECTION lock;
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};
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/*****************************************************************************
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* IDirectSoundCaptureBuffer implementation structure
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*/
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struct IDirectSoundCaptureBufferImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSoundCaptureBuffer8);
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DWORD ref;
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/* IDirectSoundCaptureBufferImpl fields */
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IDirectSoundCaptureImpl* dsound;
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/* FIXME: don't need this */
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LPDSCBUFFERDESC pdscbd;
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DWORD flags;
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/* IDirectSoundCaptureNotifyImpl fields */
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IDirectSoundCaptureNotifyImpl* notify;
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LPDSBPOSITIONNOTIFY notifies;
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int nrofnotifies;
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PIDSDRIVERNOTIFY hwnotify;
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};
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/*****************************************************************************
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* IDirectSoundFullDuplex implementation structure
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*/
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struct IDirectSoundFullDuplexImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSoundFullDuplex);
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DWORD ref;
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/* IDirectSoundFullDuplexImpl fields */
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CRITICAL_SECTION lock;
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};
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/*****************************************************************************
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* IDirectSoundNotify implementation structure
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*/
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struct IDirectSoundNotifyImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSoundNotify);
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DWORD ref;
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IDirectSoundBufferImpl* dsb;
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};
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HRESULT WINAPI IDirectSoundNotifyImpl_Create(
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IDirectSoundBufferImpl *dsb,
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IDirectSoundNotifyImpl **pdsn);
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/*****************************************************************************
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* IDirectSoundCaptureNotify implementation structure
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*/
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struct IDirectSoundCaptureNotifyImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSoundNotify);
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DWORD ref;
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IDirectSoundCaptureBufferImpl* dscb;
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};
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HRESULT WINAPI IDirectSoundCaptureNotifyImpl_Create(
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IDirectSoundCaptureBufferImpl *dscb,
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IDirectSoundCaptureNotifyImpl ** pdscn);
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/*****************************************************************************
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* IDirectSound3DListener implementation structure
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*/
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struct IDirectSound3DListenerImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSound3DListener);
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DWORD ref;
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/* IDirectSound3DListenerImpl fields */
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IDirectSoundImpl* dsound;
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};
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HRESULT WINAPI IDirectSound3DListenerImpl_Create(
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PrimaryBufferImpl *pb,
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IDirectSound3DListenerImpl **pdsl);
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/*****************************************************************************
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* IKsBufferPropertySet implementation structure
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*/
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struct IKsBufferPropertySetImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IKsPropertySet);
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DWORD ref;
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/* IKsPropertySetImpl fields */
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IDirectSoundBufferImpl* dsb;
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};
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HRESULT WINAPI IKsBufferPropertySetImpl_Create(
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IDirectSoundBufferImpl *dsb,
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IKsBufferPropertySetImpl **piks);
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/*****************************************************************************
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* IKsPrivatePropertySet implementation structure
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*/
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struct IKsPrivatePropertySetImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IKsPropertySet);
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DWORD ref;
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};
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HRESULT WINAPI IKsPrivatePropertySetImpl_Create(
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IKsPrivatePropertySetImpl **piks);
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/*****************************************************************************
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* IDirectSound3DBuffer implementation structure
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*/
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struct IDirectSound3DBufferImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDirectSound3DBuffer);
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DWORD ref;
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/* IDirectSound3DBufferImpl fields */
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IDirectSoundBufferImpl* dsb;
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};
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HRESULT WINAPI IDirectSound3DBufferImpl_Create(
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IDirectSoundBufferImpl *dsb,
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IDirectSound3DBufferImpl **pds3db);
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/*******************************************************************************
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* DirectSound ClassFactory implementation structure
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*/
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struct IClassFactoryImpl
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{
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/* IUnknown fields */
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ICOM_VFIELD(IClassFactory);
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DWORD ref;
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};
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extern IClassFactoryImpl DSOUND_CAPTURE_CF;
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extern IClassFactoryImpl DSOUND_FULLDUPLEX_CF;
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void DSOUND_RecalcVolPan(PDSVOLUMEPAN volpan);
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void DSOUND_RecalcFormat(IDirectSoundBufferImpl *dsb);
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/* primary.c */
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HRESULT DSOUND_PrimaryCreate(IDirectSoundImpl *This);
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HRESULT DSOUND_PrimaryDestroy(IDirectSoundImpl *This);
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HRESULT DSOUND_PrimaryPlay(IDirectSoundImpl *This);
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HRESULT DSOUND_PrimaryStop(IDirectSoundImpl *This);
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HRESULT DSOUND_PrimaryGetPosition(IDirectSoundImpl *This, LPDWORD playpos, LPDWORD writepos);
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/* buffer.c */
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DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
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DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix);
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/* mixer.c */
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void DSOUND_CheckEvent(IDirectSoundBufferImpl *dsb, int len);
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void DSOUND_ForceRemix(IDirectSoundBufferImpl *dsb);
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void DSOUND_MixCancelAt(IDirectSoundBufferImpl *dsb, DWORD buf_writepos);
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void DSOUND_WaveQueue(IDirectSoundImpl *dsound, DWORD mixq);
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void DSOUND_PerformMix(IDirectSoundImpl *dsound);
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void CALLBACK DSOUND_timer(UINT timerID, UINT msg, DWORD dwUser, DWORD dw1, DWORD dw2);
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void CALLBACK DSOUND_callback(HWAVEOUT hwo, UINT msg, DWORD dwUser, DWORD dw1, DWORD dw2);
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/* sound3d.c */
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void DSOUND_Calc3DBuffer(IDirectSoundBufferImpl *dsb);
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#define STATE_STOPPED 0
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#define STATE_STARTING 1
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#define STATE_PLAYING 2
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#define STATE_CAPTURING 2
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#define STATE_STOPPING 3
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#define DSOUND_FREQSHIFT (14)
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extern IDirectSoundImpl* dsound;
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extern HRESULT mmErr(UINT err);
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extern void setup_dsound_options(void);
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