--- trunk/reactos/lib/dsound/buffer.c 2005-10-08 16:45:47 UTC (rev 18340)
+++ trunk/reactos/lib/dsound/buffer.c 2005-10-08 17:05:40 UTC (rev 18341)
@@ -1,1562 +1,1511 @@
-/* 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 <stdarg.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>
-
-#define NONAMELESSSTRUCT
-#define NONAMELESSUNION
-#include "windef.h"
-#include "winbase.h"
-#include "wingdi.h"
-#include "winuser.h"
-#include "winerror.h"
-#include "mmsystem.h"
-#include "winreg.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
-) {
- IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
- TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
-
- if (This->dsb == NULL) {
- WARN("invalid parameter\n");
- return E_INVALIDARG;
- }
-
- return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
-}
-
-static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
-{
- IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
- TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
- return InterlockedIncrement(&(This->ref));
-}
-
-static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface) {
- IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
- ULONG ref;
-
- TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
-
- ref = InterlockedDecrement(&(This->ref));
- if (ref == 0) {
- IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
- This->dsb->notify = NULL;
- HeapFree(GetProcessHeap(),0,This);
- TRACE("(%p) released\n",This);
- }
- return ref;
-}
-
-static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
- LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
-) {
- IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
- TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
-
- if (howmuch > 0 && notify == NULL) {
- WARN("invalid parameter: notify == NULL\n");
- return DSERR_INVALIDPARAM;
- }
-
- if (TRACE_ON(dsound)) {
- unsigned int i;
- for (i=0;i<howmuch;i++)
- TRACE("notify at %ld to 0x%08lx\n",
- notify[i].dwOffset,(DWORD)notify[i].hEventNotify);
- }
-
- if (This->dsb->hwnotify) {
- HRESULT hres;
- hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
- if (hres != DS_OK)
- WARN("IDsDriverNotify_SetNotificationPositions failed\n");
- return hres;
- } else if (howmuch > 0) {
- /* Make an internal copy of the caller-supplied array.
- * Replace the existing copy if one is already present. */
- if (This->dsb->notifies)
- This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
- This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
- else
- This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
- howmuch * sizeof(DSBPOSITIONNOTIFY));
-
- if (This->dsb->notifies == NULL) {
- WARN("out of memory\n");
- return DSERR_OUTOFMEMORY;
- }
- memcpy(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
- This->dsb->nrofnotifies = howmuch;
- } else {
- if (This->dsb->notifies) {
- HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
- This->dsb->notifies = NULL;
- }
- This->dsb->nrofnotifies = 0;
- }
-
- return S_OK;
-}
-
-IDirectSoundNotifyVtbl dsnvt =
-{
- IDirectSoundNotifyImpl_QueryInterface,
- IDirectSoundNotifyImpl_AddRef,
- IDirectSoundNotifyImpl_Release,
- IDirectSoundNotifyImpl_SetNotificationPositions,
-};
-
-HRESULT WINAPI IDirectSoundNotifyImpl_Create(
- IDirectSoundBufferImpl * dsb,
- IDirectSoundNotifyImpl **pdsn)
-{
- IDirectSoundNotifyImpl * dsn;
- TRACE("(%p,%p)\n",dsb,pdsn);
-
- dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
-
- if (dsn == NULL) {
- WARN("out of memory\n");
- return DSERR_OUTOFMEMORY;
- }
-
- dsn->ref = 0;
- dsn->lpVtbl = &dsnvt;
- dsn->dsb = dsb;
- dsb->notify = dsn;
- IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
-
- *pdsn = dsn;
- return DS_OK;
-}
-
-HRESULT WINAPI IDirectSoundNotifyImpl_Destroy(
- IDirectSoundNotifyImpl *pdsn)
-{
- TRACE("(%p)\n",pdsn);
-
- while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
-
- return DS_OK;
-}
-
-/*******************************************************************************
- * IDirectSoundBuffer
- */
-
-static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
- LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
-
- TRACE("(%p,%p)\n",This,wfex);
- /* This method is not available on secondary buffers */
- WARN("invalid call\n");
- return DSERR_INVALIDCALL;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
- LPDIRECTSOUNDBUFFER8 iface,LONG vol
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- LONG oldVol;
- HRESULT hres = DS_OK;
-
- TRACE("(%p,%ld)\n",This,vol);
-
- if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
- WARN("control unavailable: This->dsbd.dwFlags = 0x%08lx\n", This->dsbd.dwFlags);
- return DSERR_CONTROLUNAVAIL;
- }
-
- if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
- WARN("invalid parameter: vol = %ld\n", vol);
- 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) {
- hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
- if (hres != DS_OK)
- WARN("IDsDriverBuffer_SetVolumePan failed\n");
- } else
- DSOUND_ForceRemix(This);
- }
-
- LeaveCriticalSection(&(This->lock));
- /* **** */
-
- return hres;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
- LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p,%p)\n",This,vol);
-
- if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
- WARN("control unavailable\n");
- return DSERR_CONTROLUNAVAIL;
- }
-
- if (vol == NULL) {
- WARN("invalid parameter: vol == NULL\n");
- return DSERR_INVALIDPARAM;
- }
-
- *vol = This->volpan.lVolume;
-
- return DS_OK;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
- LPDIRECTSOUNDBUFFER8 iface,DWORD freq
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- DWORD oldFreq;
-
- TRACE("(%p,%ld)\n",This,freq);
-
- if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
- WARN("control unavailable\n");
- return DSERR_CONTROLUNAVAIL;
- }
-
- if (freq == DSBFREQUENCY_ORIGINAL)
- freq = This->pwfx->nSamplesPerSec;
-
- if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
- WARN("invalid parameter: freq = %ld\n", freq);
- return DSERR_INVALIDPARAM;
- }
-
- /* **** */
- EnterCriticalSection(&(This->lock));
-
- oldFreq = This->freq;
- This->freq = freq;
- if (freq != oldFreq) {
- This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->dsound->pwfx->nSamplesPerSec;
- This->nAvgBytesPerSec = freq * This->pwfx->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
-) {
- HRESULT hres = DS_OK;
- IDirectSoundBufferImpl *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) {
- hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
- if (hres != DS_OK)
- WARN("IDsDriverBuffer_Play failed\n");
- else
- This->state = STATE_PLAYING;
- }
-
- LeaveCriticalSection(&(This->lock));
- /* **** */
-
- return hres;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
-{
- HRESULT hres = DS_OK;
- IDirectSoundBufferImpl *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) {
- hres = IDsDriverBuffer_Stop(This->hwbuf);
- if (hres != DS_OK)
- WARN("IDsDriverBuffer_Stop failed\n");
- else
- This->state = STATE_STOPPED;
- }
- DSOUND_CheckEvent(This, 0);
-
- LeaveCriticalSection(&(This->lock));
- /* **** */
-
- return hres;
-}
-
-static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
-{
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
- return InterlockedIncrement(&(This->ref));
-}
-
-static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
-{
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- ULONG ref;
-
- TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
-
- ref = InterlockedDecrement(&(This->ref));
- if (ref)
- return ref;
-
- DSOUND_RemoveBuffer(This->dsound, This);
-
- This->lock.DebugInfo->Spare[1] = 0;
- DeleteCriticalSection(&(This->lock));
-
- if (This->hwbuf) {
- IDsDriverBuffer_Release(This->hwbuf);
- if (This->dsound->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
- This->buffer->ref--;
- if (This->buffer->ref==0) {
- HeapFree(GetProcessHeap(),0,This->buffer->memory);
- HeapFree(GetProcessHeap(),0,This->buffer);
- }
- }
- } else {
- This->buffer->ref--;
- if (This->buffer->ref==0) {
- HeapFree(GetProcessHeap(),0,This->buffer->memory);
- HeapFree(GetProcessHeap(),0,This->buffer);
- }
- }
-
- if (This->notifies != NULL)
- HeapFree(GetProcessHeap(), 0, This->notifies);
-
- if (This->pwfx)
- HeapFree(GetProcessHeap(), 0, This->pwfx);
-
- HeapFree(GetProcessHeap(),0,This);
-
- TRACE("(%p) released\n",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->pwfx->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->pwfx->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;
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p,%p,%p)\n",This,playpos,writepos);
- if (This->hwbuf) {
- hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
- if (hres != DS_OK) {
- WARN("IDsDriverBuffer_GetPosition failed\n");
- 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));
- if (DSOUND_PrimaryGetPosition(This->dsound, &pplay, &pwrite) != DS_OK)
- WARN("DSOUND_PrimaryGetPosition failed\n");
- /* 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;
- 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;
- }
- *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
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
-
- if (status == NULL) {
- WARN("invalid parameter: status = NULL\n");
- 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)
-{
- DWORD size;
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
-
- size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
-
- if (lpwf) { /* NULL is valid */
- if (wfsize >= size) {
- memcpy(lpwf,This->pwfx,size);
- if (wfwritten)
- *wfwritten = size;
- } else {
- WARN("invalid parameter: wfsize to small\n");
- if (wfwritten)
- *wfwritten = 0;
- return DSERR_INVALIDPARAM;
- }
- } else {
- if (wfwritten)
- *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
- else {
- WARN("invalid parameter: wfwritten == NULL\n");
- 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
-) {
- HRESULT hres = DS_OK;
- IDirectSoundBufferImpl *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 */
- hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
- if (hres != DS_OK) {
- WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
- return hres;
- }
- writecursor += writepos;
- }
- writecursor %= This->buflen;
- if (flags & DSBLOCK_ENTIREBUFFER)
- writebytes = This->buflen;
- if (writebytes > This->buflen)
- writebytes = This->buflen;
-
- EnterCriticalSection(&(This->lock));
-
- 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) {
- hres = IDsDriverBuffer_Lock(This->hwbuf,
- lplpaudioptr1, audiobytes1,
- lplpaudioptr2, audiobytes2,
- writecursor, writebytes,
- 0);
- if (hres != DS_OK) {
- WARN("IDsDriverBuffer_Lock failed\n");
- LeaveCriticalSection(&(This->lock));
- return hres;
- }
- } else {
- BOOL remix = FALSE;
- if (writecursor+writebytes <= This->buflen) {
- *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
- *audiobytes1 = writebytes;
- if (lplpaudioptr2)
- *(LPBYTE*)lplpaudioptr2 = NULL;
- if (audiobytes2)
- *audiobytes2 = 0;
- TRACE("->%ld.0\n",writebytes);
- } else {
- *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
- *audiobytes1 = This->buflen-writecursor;
- if (lplpaudioptr2)
- *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
- 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);
- }
- }
- }
-
- LeaveCriticalSection(&(This->lock));
- return DS_OK;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
- LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
-) {
- HRESULT hres = DS_OK;
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p,%ld)\n",This,newpos);
-
- /* **** */
- EnterCriticalSection(&(This->lock));
-
- newpos %= This->buflen;
- This->buf_mixpos = newpos;
- if (This->hwbuf) {
- hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
- if (hres != DS_OK)
- WARN("IDsDriverBuffer_SetPosition failed\n");
- }
-
- LeaveCriticalSection(&(This->lock));
- /* **** */
-
- return hres;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
- LPDIRECTSOUNDBUFFER8 iface,LONG pan
-) {
- HRESULT hres = DS_OK;
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
-
- TRACE("(%p,%ld)\n",This,pan);
-
- if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
- WARN("invalid parameter: pan = %ld\n", pan);
- return DSERR_INVALIDPARAM;
- }
-
- /* You cannot use both pan and 3D controls */
- if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
- (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
- WARN("control unavailable\n");
- return DSERR_CONTROLUNAVAIL;
- }
-
- /* **** */
- EnterCriticalSection(&(This->lock));
-
- if (This->volpan.lPan != pan) {
- This->volpan.lPan = pan;
- DSOUND_RecalcVolPan(&(This->volpan));
-
- if (This->hwbuf) {
- hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
- if (hres != DS_OK)
- WARN("IDsDriverBuffer_SetVolumePan failed\n");
- } else
- DSOUND_ForceRemix(This);
- }
-
- LeaveCriticalSection(&(This->lock));
- /* **** */
-
- return hres;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
- LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p,%p)\n",This,pan);
-
- if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
- WARN("control unavailable\n");
- return DSERR_CONTROLUNAVAIL;
- }
-
- if (pan == NULL) {
- WARN("invalid parameter: pan = NULL\n");
- 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
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- DWORD probably_valid_to;
- HRESULT hres = DS_OK;
-
- TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
-
- /* **** */
- EnterCriticalSection(&(This->lock));
-
- if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
- hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
- if (hres != DS_OK)
- WARN("IDsDriverBuffer_Unlock failed\n");
- }
-
- if (hres == DS_OK) {
- if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
- else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
- 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;
- }
-
- LeaveCriticalSection(&(This->lock));
- /* **** */
-
- TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
- return hres;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
- LPDIRECTSOUNDBUFFER8 iface
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- FIXME("(%p):stub\n",This);
- return DS_OK;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
- LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p,%p)\n",This,freq);
-
- if (freq == NULL) {
- WARN("invalid parameter: freq = NULL\n");
- 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
-) {
- IDirectSoundBufferImpl *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;
-
- WARN("control unavailable\n");
- return DSERR_CONTROLUNAVAIL;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
- LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
-) {
- IDirectSoundBufferImpl *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;
-
- WARN("control unavailable\n");
- return DSERR_CONTROLUNAVAIL;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
- LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
-
- FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
-
- WARN("control unavailable\n");
- return DSERR_CONTROLUNAVAIL;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
- LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
- DPRINTF("Re-Init!!!\n");
- WARN("already initialized\n");
- return DSERR_ALREADYINITIALIZED;
-}
-
-static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
- LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
- TRACE("(%p)->(%p)\n",This,caps);
-
- if (caps == NULL) {
- WARN("invalid parameter: caps == NULL\n");
- return DSERR_INVALIDPARAM;
- }
-
- if (caps->dwSize < sizeof(*caps)) {
- WARN("invalid parameter: caps->dwSize = %ld < %d\n",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
-) {
- IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
-
- TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
-
- if (ppobj == NULL) {
- WARN("invalid parameter\n");
- return E_INVALIDARG;
- }
-
- *ppobj = NULL; /* assume failure */
-
- if ( IsEqualGUID(riid, &IID_IUnknown) ||
- IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
- IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
- if (!This->dsb)
- SecondaryBufferImpl_Create(This, &(This->dsb));
- if (This->dsb) {
- IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->dsb);
- *ppobj = This->dsb;
- return S_OK;
- }
- WARN("IID_IDirectSoundBuffer\n");
- return E_NOINTERFACE;
- }
-
- if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
- if (!This->notify)
- IDirectSoundNotifyImpl_Create(This, &(This->notify));
- if (This->notify) {
- IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
- *ppobj = This->notify;
- return S_OK;
- }
- WARN("IID_IDirectSoundNotify\n");
- return E_NOINTERFACE;
- }
-
- if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
- if (!This->ds3db)
- IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
- if (This->ds3db) {
- IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
- *ppobj = This->ds3db;
- return S_OK;
- }
- WARN("IID_IDirectSound3DBuffer\n");
- return E_NOINTERFACE;
- }
-
- if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
- ERR("app requested IDirectSound3DListener on secondary buffer\n");
- return E_NOINTERFACE;
- }
-
- if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
- if (!This->iks)
- IKsBufferPropertySetImpl_Create(This, &(This->iks));
- if (This->iks) {
- IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
- *ppobj = This->iks;
- return S_OK;
- }
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