Sweden-Number/dlls/dsound/buffer.c

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/* DirectSound
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2002 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
*/
#include "config.h"
#include <assert.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/fcntl.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <math.h> /* Insomnia - pow() function */
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "mmsystem.h"
#include "winternl.h"
#include "mmddk.h"
#include "wine/windef16.h"
#include "wine/debug.h"
#include "dsound.h"
#include "dsdriver.h"
#include "dsound_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dsound);
/*******************************************************************************
* IDirectSoundNotify
*/
static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
) {
ICOM_THIS(IDirectSoundNotifyImpl,iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
return IDirectSoundBuffer8_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb, riid, ppobj);
}
static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface) {
ICOM_THIS(IDirectSoundNotifyImpl,iface);
DWORD ref;
TRACE("(%p) ref was %ld\n", This, This->ref);
ref = InterlockedIncrement(&(This->ref));
return ref;
}
static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface) {
ICOM_THIS(IDirectSoundNotifyImpl,iface);
DWORD ref;
TRACE("(%p) ref was %ld\n", This, This->ref);
ref = InterlockedDecrement(&(This->ref));
if (!ref) {
IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
HeapFree(GetProcessHeap(),0,This);
return 0;
}
return ref;
}
static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
) {
ICOM_THIS(IDirectSoundNotifyImpl,iface);
int i;
if (TRACE_ON(dsound)) {
TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
for (i=0;i<howmuch;i++)
TRACE("notify at %ld to 0x%08lx\n",
notify[i].dwOffset,(DWORD)notify[i].hEventNotify);
}
This->dsb->notifies = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,This->dsb->notifies,(This->dsb->nrofnotifies+howmuch)*sizeof(DSBPOSITIONNOTIFY));
memcpy( This->dsb->notifies+This->dsb->nrofnotifies,
notify,
howmuch*sizeof(DSBPOSITIONNOTIFY)
);
This->dsb->nrofnotifies+=howmuch;
return S_OK;
}
static ICOM_VTABLE(IDirectSoundNotify) dsnvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDirectSoundNotifyImpl_QueryInterface,
IDirectSoundNotifyImpl_AddRef,
IDirectSoundNotifyImpl_Release,
IDirectSoundNotifyImpl_SetNotificationPositions,
};
/*******************************************************************************
* IDirectSoundBuffer
*/
static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX wfex
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%p)\n",This,wfex);
/* This method is not available on secondary buffers */
return DSERR_INVALIDCALL;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
LPDIRECTSOUNDBUFFER8 iface,LONG vol
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
LONG oldVol;
TRACE("(%p,%ld)\n",This,vol);
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME))
return DSERR_CONTROLUNAVAIL;
if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN))
return DSERR_INVALIDPARAM;
/* **** */
EnterCriticalSection(&(This->lock));
if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
oldVol = This->ds3db->lVolume;
This->ds3db->lVolume = vol;
} else {
oldVol = This->volpan.lVolume;
This->volpan.lVolume = vol;
if (vol != oldVol) DSOUND_RecalcVolPan(&(This->volpan));
}
if (vol != oldVol) {
if (This->hwbuf) {
IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
}
else DSOUND_ForceRemix(This);
}
LeaveCriticalSection(&(This->lock));
/* **** */
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%p)\n",This,vol);
if (vol == NULL)
return DSERR_INVALIDPARAM;
if (This->dsbd.dwFlags & DSBCAPS_CTRL3D)
*vol = This->ds3db->lVolume;
else
*vol = This->volpan.lVolume;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
LPDIRECTSOUNDBUFFER8 iface,DWORD freq
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
DWORD oldFreq;
TRACE("(%p,%ld)\n",This,freq);
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY))
return DSERR_CONTROLUNAVAIL;
if (freq == DSBFREQUENCY_ORIGINAL)
freq = This->wfx.nSamplesPerSec;
if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX))
return DSERR_INVALIDPARAM;
/* **** */
EnterCriticalSection(&(This->lock));
oldFreq = This->freq;
This->freq = freq;
if (freq != oldFreq) {
This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->dsound->wfx.nSamplesPerSec;
This->nAvgBytesPerSec = freq * This->wfx.nBlockAlign;
DSOUND_RecalcFormat(This);
if (!This->hwbuf) DSOUND_ForceRemix(This);
}
LeaveCriticalSection(&(This->lock));
/* **** */
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Play(
LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%08lx,%08lx,%08lx)\n",
This,reserved1,reserved2,flags
);
/* **** */
EnterCriticalSection(&(This->lock));
This->playflags = flags;
if (This->state == STATE_STOPPED) {
This->leadin = TRUE;
This->startpos = This->buf_mixpos;
This->state = STATE_STARTING;
} else if (This->state == STATE_STOPPING)
This->state = STATE_PLAYING;
if (This->hwbuf) {
IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
This->state = STATE_PLAYING;
}
LeaveCriticalSection(&(This->lock));
/* **** */
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
{
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p)\n",This);
/* **** */
EnterCriticalSection(&(This->lock));
if (This->state == STATE_PLAYING)
This->state = STATE_STOPPING;
else if (This->state == STATE_STARTING)
This->state = STATE_STOPPED;
if (This->hwbuf) {
IDsDriverBuffer_Stop(This->hwbuf);
This->state = STATE_STOPPED;
}
DSOUND_CheckEvent(This, 0);
LeaveCriticalSection(&(This->lock));
/* **** */
return DS_OK;
}
static DWORD WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
DWORD ref;
TRACE("(%p) ref was %ld, thread is %lx\n",This, This->ref, GetCurrentThreadId());
ref = InterlockedIncrement(&(This->ref));
if (!ref) {
FIXME("thread-safety alert! AddRef-ing with a zero refcount!\n");
}
return ref;
}
static DWORD WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
int i;
DWORD ref;
TRACE("(%p) ref was %ld, thread is %lx\n",This, This->ref, GetCurrentThreadId());
ref = InterlockedDecrement(&(This->ref));
if (ref) return ref;
RtlAcquireResourceExclusive(&(This->dsound->lock), TRUE);
for (i=0;i<This->dsound->nrofbuffers;i++)
if (This->dsound->buffers[i] == This)
break;
if (i < This->dsound->nrofbuffers) {
/* Put the last buffer of the list in the (now empty) position */
This->dsound->buffers[i] = This->dsound->buffers[This->dsound->nrofbuffers - 1];
This->dsound->nrofbuffers--;
This->dsound->buffers = HeapReAlloc(GetProcessHeap(),0,This->dsound->buffers,sizeof(LPDIRECTSOUNDBUFFER8)*This->dsound->nrofbuffers);
TRACE("buffer count is now %d\n", This->dsound->nrofbuffers);
IDirectSound_Release((LPDIRECTSOUND)This->dsound);
}
RtlReleaseResource(&(This->dsound->lock));
DeleteCriticalSection(&(This->lock));
if (This->hwbuf) {
IDsDriverBuffer_Release(This->hwbuf);
if (This->dsound->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY)
HeapFree(GetProcessHeap(),0,This->buffer);
}
else if (!This->parent)
HeapFree(GetProcessHeap(),0,This->buffer);
if (This->ds3db) {
DeleteCriticalSection(&This->ds3db->lock);
HeapFree(GetProcessHeap(), 0, This->ds3db);
}
if (This->iks) {
HeapFree(GetProcessHeap(), 0, This->iks);
}
if (This->parent)
IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)This->parent);
HeapFree(GetProcessHeap(),0,This);
return 0;
}
DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix)
{
DWORD bplay;
TRACE("primary playpos=%ld, mixpos=%ld\n", pplay, pmix);
TRACE("this mixpos=%ld, time=%ld\n", bmix, GetTickCount());
/* the actual primary play position (pplay) is always behind last mixed (pmix),
* unless the computer is too slow or something */
/* we need to know how far away we are from there */
#if 0 /* we'll never fill the primary entirely */
if (pmix == pplay) {
if ((state == STATE_PLAYING) || (state == STATE_STOPPING)) {
/* wow, the software mixer is really doing well,
* seems the entire primary buffer is filled! */
pmix += This->dsound->buflen;
}
/* else: the primary buffer is not playing, so probably empty */
}
#endif
if (pmix < pplay) pmix += This->dsound->buflen; /* wraparound */
pmix -= pplay;
/* detect buffer underrun */
if (pwrite < pplay) pwrite += This->dsound->buflen; /* wraparound */
pwrite -= pplay;
if (pmix > (ds_snd_queue_max * This->dsound->fraglen + pwrite + This->dsound->writelead)) {
WARN("detected an underrun: primary queue was %ld\n",pmix);
pmix = 0;
}
/* divide the offset by its sample size */
pmix /= This->dsound->wfx.nBlockAlign;
TRACE("primary back-samples=%ld\n",pmix);
/* adjust for our frequency */
pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
/* multiply by our own sample size */
pmix *= This->wfx.nBlockAlign;
TRACE("this back-offset=%ld\n", pmix);
/* subtract from our last mixed position */
bplay = bmix;
while (bplay < pmix) bplay += This->buflen; /* wraparound */
bplay -= pmix;
if (This->leadin && ((bplay < This->startpos) || (bplay > bmix))) {
/* seems we haven't started playing yet */
TRACE("this still in lead-in phase\n");
bplay = This->startpos;
}
/* return the result */
return bplay;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
) {
HRESULT hres;
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%p,%p)\n",This,playpos,writepos);
if (This->hwbuf) {
hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
if (hres)
return hres;
}
else {
if (playpos && (This->state != STATE_PLAYING)) {
/* we haven't been merged into the primary buffer (yet) */
*playpos = This->buf_mixpos;
}
else if (playpos) {
DWORD pplay, pwrite, lplay, splay, pstate;
/* let's get this exact; first, recursively call GetPosition on the primary */
EnterCriticalSection(&(This->dsound->mixlock));
DSOUND_PrimaryGetPosition(This->dsound, &pplay, &pwrite);
/* detect HEL mode underrun */
pstate = This->dsound->state;
if (!(This->dsound->hwbuf || This->dsound->pwqueue)) {
TRACE("detected an underrun\n");
/* pplay = ? */
if (pstate == STATE_PLAYING)
pstate = STATE_STARTING;
else if (pstate == STATE_STOPPING)
pstate = STATE_STOPPED;
}
/* get data for ourselves while we still have the lock */
pstate &= This->state;
lplay = This->primary_mixpos;
splay = This->buf_mixpos;
if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->hwbuf) {
/* calculate play position using this */
*playpos = DSOUND_CalcPlayPosition(This, pstate, pplay, pwrite, lplay, splay);
} else {
/* (unless the app isn't using GETCURRENTPOSITION2) */
/* don't know exactly how this should be handled...
* the docs says that play cursor is reported as directly
* behind write cursor, hmm... */
/* let's just do what might work for Half-Life */
DWORD wp;
wp = (This->dsound->pwplay + ds_hel_margin) * This->dsound->fraglen;
while (wp >= This->dsound->buflen)
wp -= This->dsound->buflen;
*playpos = DSOUND_CalcPlayPosition(This, pstate, wp, pwrite, lplay, splay);
}
LeaveCriticalSection(&(This->dsound->mixlock));
}
if (writepos) *writepos = This->buf_mixpos;
}
if (writepos) {
if (This->state != STATE_STOPPED)
/* apply the documented 10ms lead to writepos */
*writepos += This->writelead;
while (*writepos >= This->buflen) *writepos -= This->buflen;
}
if (playpos) This->last_playpos = *playpos;
TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%p), thread is %lx\n",This,status,GetCurrentThreadId());
if (status == NULL)
return DSERR_INVALIDPARAM;
*status = 0;
if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
*status |= DSBSTATUS_PLAYING;
if (This->playflags & DSBPLAY_LOOPING)
*status |= DSBSTATUS_LOOPING;
}
TRACE("status=%lx\n", *status);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
if (wfsize>sizeof(This->wfx))
wfsize = sizeof(This->wfx);
if (lpwf) { /* NULL is valid */
memcpy(lpwf,&(This->wfx),wfsize);
if (wfwritten)
*wfwritten = wfsize;
} else
if (wfwritten)
*wfwritten = sizeof(This->wfx);
else
return DSERR_INVALIDPARAM;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
This,
writecursor,
writebytes,
lplpaudioptr1,
audiobytes1,
lplpaudioptr2,
audiobytes2,
flags,
GetTickCount()
);
if (flags & DSBLOCK_FROMWRITECURSOR) {
DWORD writepos;
/* GetCurrentPosition does too much magic to duplicate here */
IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
writecursor += writepos;
}
while (writecursor >= This->buflen)
writecursor -= This->buflen;
if (flags & DSBLOCK_ENTIREBUFFER)
writebytes = This->buflen;
if (writebytes > This->buflen)
writebytes = This->buflen;
assert(audiobytes1!=audiobytes2);
assert(lplpaudioptr1!=lplpaudioptr2);
if ((writebytes == This->buflen) &&
((This->state == STATE_STARTING) ||
(This->state == STATE_PLAYING)))
/* some games, like Half-Life, try to be clever (not) and
* keep one secondary buffer, and mix sounds into it itself,
* locking the entire buffer every time... so we can just forget
* about tracking the last-written-to-position... */
This->probably_valid_to = (DWORD)-1;
else
This->probably_valid_to = writecursor;
if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
IDsDriverBuffer_Lock(This->hwbuf,
lplpaudioptr1, audiobytes1,
lplpaudioptr2, audiobytes2,
writecursor, writebytes,
0);
}
else {
BOOL remix = FALSE;
if (writecursor+writebytes <= This->buflen) {
*(LPBYTE*)lplpaudioptr1 = This->buffer+writecursor;
*audiobytes1 = writebytes;
if (lplpaudioptr2)
*(LPBYTE*)lplpaudioptr2 = NULL;
if (audiobytes2)
*audiobytes2 = 0;
TRACE("->%ld.0\n",writebytes);
} else {
*(LPBYTE*)lplpaudioptr1 = This->buffer+writecursor;
*audiobytes1 = This->buflen-writecursor;
if (lplpaudioptr2)
*(LPBYTE*)lplpaudioptr2 = This->buffer;
if (audiobytes2)
*audiobytes2 = writebytes-(This->buflen-writecursor);
TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
}
if (This->state == STATE_PLAYING) {
/* if the segment between playpos and buf_mixpos is touched,
* we need to cancel some mixing */
/* we'll assume that the app always calls GetCurrentPosition before
* locking a playing buffer, so that last_playpos is up-to-date */
if (This->buf_mixpos >= This->last_playpos) {
if (This->buf_mixpos > writecursor &&
This->last_playpos < writecursor+writebytes)
remix = TRUE;
}
else {
if (This->buf_mixpos > writecursor ||
This->last_playpos < writecursor+writebytes)
remix = TRUE;
}
if (remix) {
TRACE("locking prebuffered region, ouch\n");
DSOUND_MixCancelAt(This, writecursor);
}
}
}
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%ld)\n",This,newpos);
/* **** */
EnterCriticalSection(&(This->lock));
while (newpos >= This->buflen)
newpos -= This->buflen;
This->buf_mixpos = newpos;
if (This->hwbuf)
IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
LeaveCriticalSection(&(This->lock));
/* **** */
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
LPDIRECTSOUNDBUFFER8 iface,LONG pan
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
LONG oldPan;
TRACE("(%p,%ld)\n",This,pan);
if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT))
return DSERR_INVALIDPARAM;
/* You cannot use both pan and 3D controls */
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
(This->dsbd.dwFlags & DSBCAPS_CTRL3D))
return DSERR_CONTROLUNAVAIL;
/* **** */
EnterCriticalSection(&(This->lock));
oldPan = This->volpan.lPan;
This->volpan.lPan = pan;
if (pan != oldPan) {
DSOUND_RecalcVolPan(&(This->volpan));
if (This->hwbuf) {
IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
}
else DSOUND_ForceRemix(This);
}
LeaveCriticalSection(&(This->lock));
/* **** */
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%p)\n",This,pan);
if (pan == NULL)
return DSERR_INVALIDPARAM;
*pan = This->volpan.lPan;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
DWORD probably_valid_to;
TRACE("(%p,%p,%ld,%p,%ld):stub\n", This,p1,x1,p2,x2);
#if 0
/* Preprocess 3D buffers... */
/* This is highly experimental and liable to break things */
if (This->dsbd.dwFlags & DSBCAPS_CTRL3D)
DSOUND_Create3DBuffer(This);
#endif
if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
}
if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer) + x2;
else probably_valid_to = (((LPBYTE)p1)-This->buffer) + x1;
while (probably_valid_to >= This->buflen)
probably_valid_to -= This->buflen;
if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
((This->state == STATE_STARTING) ||
(This->state == STATE_PLAYING)))
/* see IDirectSoundBufferImpl_Lock */
probably_valid_to = (DWORD)-1;
This->probably_valid_to = probably_valid_to;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
LPDIRECTSOUNDBUFFER8 iface
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
FIXME("(%p):stub\n",This);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%p)\n",This,freq);
if (freq == NULL)
return DSERR_INVALIDPARAM;
*freq = This->freq;
TRACE("-> %ld\n", *freq);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
DWORD u;
FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
if (pdwResultCodes)
for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
return DSERR_CONTROLUNAVAIL;
}
static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
DWORD u;
FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
if (pdwResultCodes)
for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
return DSERR_CONTROLUNAVAIL;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
return DSERR_CONTROLUNAVAIL;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND8 dsound,LPDSBUFFERDESC dbsd
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
DPRINTF("Re-Init!!!\n");
return DSERR_ALREADYINITIALIZED;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p)->(%p)\n",This,caps);
if (caps == NULL || caps->dwSize!=sizeof(*caps))
return DSERR_INVALIDPARAM;
caps->dwFlags = This->dsbd.dwFlags;
if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
caps->dwBufferBytes = This->buflen;
/* This value represents the speed of the "unlock" command.
As unlock is quite fast (it does not do anything), I put
4096 ko/s = 4 Mo / s */
/* FIXME: hwbuf speed */
caps->dwUnlockTransferRate = 4096;
caps->dwPlayCpuOverhead = 0;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
) {
ICOM_THIS(IDirectSoundBufferImpl,iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
IDirectSoundNotifyImpl *dsn;
dsn = (IDirectSoundNotifyImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(*dsn));
dsn->ref = 1;
dsn->dsb = This;
IDirectSoundBuffer8_AddRef(iface);
ICOM_VTBL(dsn) = &dsnvt;
*ppobj = (LPVOID)dsn;
return S_OK;
}
if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
if (!This->ds3db)
IDirectSound3DBufferImpl_Create(This, &This->ds3db);
*ppobj = This->ds3db;
if (*ppobj) {
IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)*ppobj);
return S_OK;
}
return E_FAIL;
}
if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
ERR("app requested IDirectSound3DListener on secondary buffer\n");
*ppobj = NULL;
return E_FAIL;
}
if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
if (!This->iks)
IKsPropertySetImpl_Create(This, &This->iks);
*ppobj = This->iks;
if (*ppobj) {
IKsPropertySet_AddRef((LPKSPROPERTYSET)*ppobj);
return S_OK;
}
return E_FAIL;
}
FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
*ppobj = NULL;
return E_NOINTERFACE;
}
static ICOM_VTABLE(IDirectSoundBuffer8) dsbvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDirectSoundBufferImpl_QueryInterface,
IDirectSoundBufferImpl_AddRef,
IDirectSoundBufferImpl_Release,
IDirectSoundBufferImpl_GetCaps,
IDirectSoundBufferImpl_GetCurrentPosition,
IDirectSoundBufferImpl_GetFormat,
IDirectSoundBufferImpl_GetVolume,
IDirectSoundBufferImpl_GetPan,
IDirectSoundBufferImpl_GetFrequency,
IDirectSoundBufferImpl_GetStatus,
IDirectSoundBufferImpl_Initialize,
IDirectSoundBufferImpl_Lock,
IDirectSoundBufferImpl_Play,
IDirectSoundBufferImpl_SetCurrentPosition,
IDirectSoundBufferImpl_SetFormat,
IDirectSoundBufferImpl_SetVolume,
IDirectSoundBufferImpl_SetPan,
IDirectSoundBufferImpl_SetFrequency,
IDirectSoundBufferImpl_Stop,
IDirectSoundBufferImpl_Unlock,
IDirectSoundBufferImpl_Restore,
IDirectSoundBufferImpl_SetFX,
IDirectSoundBufferImpl_AcquireResources,
IDirectSoundBufferImpl_GetObjectInPath
};
HRESULT WINAPI SecondaryBuffer_Create(
IDirectSoundImpl *This,
IDirectSoundBufferImpl **pdsb,
LPDSBUFFERDESC dsbd)
{
IDirectSoundBufferImpl *dsb;
LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
HRESULT err = DS_OK;
DWORD capf = 0;
int use_hw;
if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
ERR("invalid sound buffer size %ld\n", dsbd->dwBufferBytes);
return DSERR_INVALIDPARAM; /* FIXME: which error? */
}
dsb = (IDirectSoundBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
dsb->ref = 1;
dsb->dsound = This;
dsb->parent = NULL;
ICOM_VTBL(dsb) = &dsbvt;
memcpy(&dsb->dsbd, dsbd, sizeof(*dsbd));
if (wfex)
memcpy(&dsb->wfx, wfex, sizeof(dsb->wfx));
TRACE("Created buffer at %p\n", dsb);
dsb->buflen = dsbd->dwBufferBytes;
dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
/* Check necessary hardware mixing capabilities */
if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
else capf |= DSCAPS_SECONDARYMONO;
if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
else capf |= DSCAPS_SECONDARY8BIT;
use_hw = (This->drvcaps.dwFlags & capf) == capf;
/* FIXME: check hardware sample rate mixing capabilities */
/* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
/* FIXME: check whether any hardware buffers are left */
/* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
/* Allocate system memory if applicable */
if ((This->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
dsb->buffer = (LPBYTE)HeapAlloc(GetProcessHeap(),0,dsb->buflen);
if (dsb->buffer == NULL)
err = DSERR_OUTOFMEMORY;
}
/* Allocate the hardware buffer */
if (use_hw && (err == DS_OK)) {
err = IDsDriver_CreateSoundBuffer(This->driver,wfex,dsbd->dwFlags,0,
&(dsb->buflen),&(dsb->buffer),
(LPVOID*)&(dsb->hwbuf));
}
if (err != DS_OK) {
if (dsb->buffer)
HeapFree(GetProcessHeap(),0,dsb->buffer);
HeapFree(GetProcessHeap(),0,dsb);
dsb = NULL;
return err;
}
/* calculate fragment size and write lead */
DSOUND_RecalcFormat(dsb);
/* It's not necessary to initialize values to zero since */
/* we allocated this structure with HEAP_ZERO_MEMORY... */
dsb->playpos = 0;
dsb->buf_mixpos = 0;
dsb->state = STATE_STOPPED;
dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
This->wfx.nSamplesPerSec;
dsb->nAvgBytesPerSec = dsb->freq *
dsbd->lpwfxFormat->nBlockAlign;
if (dsbd->dwFlags & DSBCAPS_CTRL3D) {
IDirectSound3DBufferImpl_Create(dsb, &dsb->ds3db);
}
else
DSOUND_RecalcVolPan(&(dsb->volpan));
InitializeCriticalSection(&(dsb->lock));
/* register buffer */
RtlAcquireResourceExclusive(&(This->lock), TRUE);
if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
IDirectSoundBufferImpl **newbuffers = (IDirectSoundBufferImpl**)HeapReAlloc(GetProcessHeap(),0,This->buffers,sizeof(IDirectSoundBufferImpl*)*(This->nrofbuffers+1));
if (newbuffers) {
This->buffers = newbuffers;
This->buffers[This->nrofbuffers] = dsb;
This->nrofbuffers++;
TRACE("buffer count is now %d\n", This->nrofbuffers);
} else {
ERR("out of memory for buffer list! Current buffer count is %d\n", This->nrofbuffers);
err = DSERR_OUTOFMEMORY;
}
}
RtlReleaseResource(&(This->lock));
IDirectSound8_AddRef((LPDIRECTSOUND8)This);
if (err != DS_OK) {
/* oops... */
IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)dsb);
*pdsb = NULL;
return err;
}
*pdsb = dsb;
return S_OK;
}