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Fallback to software buffer if duplicating hardware buffer fails.

This commit is contained in:
Robert Reif 2004-02-06 05:21:37 +00:00 committed by Alexandre Julliard
parent 2ea305b02c
commit 7ecf3d03c2
1 changed files with 36 additions and 8 deletions
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44
dlls/dsound/dsound_main.c
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@ -593,12 +593,6 @@ static HRESULT WINAPI IDirectSoundImpl_DuplicateSoundBuffer(
pdsb = ((SecondaryBufferImpl *)psb)->dsb;
if (pdsb->hwbuf) {
FIXME("need to duplicate hardware buffer\n");
*ppdsb = NULL;
return DSERR_INVALIDCALL;
}
dsb = (IDirectSoundBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
if (dsb == NULL) {
@ -608,13 +602,47 @@ static HRESULT WINAPI IDirectSoundImpl_DuplicateSoundBuffer(
}
memcpy(dsb, pdsb, sizeof(IDirectSoundBufferImpl));
if (pdsb->hwbuf) {
TRACE("duplicating hardware buffer\n");
hres = IDsDriver_DuplicateSoundBuffer(This->driver, pdsb->hwbuf, (LPVOID *)&dsb->hwbuf);
if (hres != DS_OK) {
TRACE("IDsDriver_DuplicateSoundBuffer failed, falling back to software buffer\n");
dsb->hwbuf = NULL;
/* allocate buffer */
if (This->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
if (dsb->buffer == NULL) {
WARN("out of memory\n");
HeapFree(GetProcessHeap(),0,dsb);
*ppdsb = NULL;
return DSERR_OUTOFMEMORY;
}
dsb->buffer->memory = (LPBYTE)HeapAlloc(GetProcessHeap(),0,dsb->buflen);
if (dsb->buffer->memory == NULL) {
WARN("out of memory\n");
HeapFree(GetProcessHeap(),0,dsb->buffer);
HeapFree(GetProcessHeap(),0,dsb);
*ppdsb = NULL;
return DSERR_OUTOFMEMORY;
}
dsb->buffer->ref = 1;
/* FIXME: copy buffer ? */
}
}
} else {
dsb->hwbuf = NULL;
dsb->buffer->ref++;
}
dsb->ref = 0;
dsb->state = STATE_STOPPED;
dsb->playpos = 0;
dsb->buf_mixpos = 0;
dsb->dsound = This;
dsb->buffer->ref++;
dsb->hwbuf = NULL;
dsb->ds3db = NULL;
dsb->iks = NULL; /* FIXME? */
dsb->dsb = NULL;