Module: wine Branch: master Commit: 6d7c38256f258dcb71d73e573954c00b77b40202 URL: http://source.winehq.org/git/wine.git/?a=commit;h=6d7c38256f258dcb71d73e5739...
Author: Michael Stefaniuc mstefani@redhat.de Date: Thu Aug 25 23:42:44 2011 +0200
dsound: Fix refcounting for the secondary buffer object.
This fixes a regression introduced in 6b64e0090cb7.
---
dlls/dsound/buffer.c | 57 +++++++++++++++++++++++++----------------- dlls/dsound/dsound_private.h | 2 + dlls/dsound/sound3d.c | 8 +++++- 3 files changed, 43 insertions(+), 24 deletions(-)
diff --git a/dlls/dsound/buffer.c b/dlls/dsound/buffer.c index 7399015..5c8fbba 100644 --- a/dlls/dsound/buffer.c +++ b/dlls/dsound/buffer.c @@ -374,6 +374,10 @@ static ULONG WINAPI IDirectSoundBufferImpl_AddRef(IDirectSoundBuffer8 *iface) ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref was %d\n", This, ref - 1); + + if(ref == 1) + InterlockedIncrement(&This->numIfaces); + return ref; }
@@ -384,28 +388,9 @@ static ULONG WINAPI IDirectSoundBufferImpl_Release(IDirectSoundBuffer8 *iface)
TRACE("(%p) ref was %d\n", This, ref + 1);
- if (!ref) { - DirectSoundDevice_RemoveBuffer(This->device, This); - RtlDeleteResource(&This->lock); - - if (This->hwbuf) - IDsDriverBuffer_Release(This->hwbuf); - if (!This->hwbuf || (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY)) { - This->buffer->ref--; - list_remove(&This->entry); - if (This->buffer->ref==0) { - HeapFree(GetProcessHeap(),0,This->buffer->memory); - HeapFree(GetProcessHeap(),0,This->buffer); - } - } - - HeapFree(GetProcessHeap(), 0, This->tmp_buffer); - HeapFree(GetProcessHeap(), 0, This->notifies); - HeapFree(GetProcessHeap(), 0, This->pwfx); - HeapFree(GetProcessHeap(), 0, This); + if (!ref && !InterlockedDecrement(&This->numIfaces)) + secondarybuffer_destroy(This);
- TRACE("(%p) released\n", This); - } return ref; }
@@ -971,6 +956,7 @@ HRESULT IDirectSoundBufferImpl_Create( TRACE("Created buffer at %p\n", dsb);
dsb->ref = 1; + dsb->numIfaces = 1; dsb->device = device; dsb->IDirectSoundBuffer8_iface.lpVtbl = &dsbvt; dsb->iks = NULL; @@ -1123,6 +1109,30 @@ HRESULT IDirectSoundBufferImpl_Create( return err; }
+void secondarybuffer_destroy(IDirectSoundBufferImpl *This) +{ + DirectSoundDevice_RemoveBuffer(This->device, This); + RtlDeleteResource(&This->lock); + + if (This->hwbuf) + IDsDriverBuffer_Release(This->hwbuf); + if (!This->hwbuf || (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY)) { + This->buffer->ref--; + list_remove(&This->entry); + if (This->buffer->ref == 0) { + HeapFree(GetProcessHeap(), 0, This->buffer->memory); + HeapFree(GetProcessHeap(), 0, This->buffer); + } + } + + HeapFree(GetProcessHeap(), 0, This->tmp_buffer); + HeapFree(GetProcessHeap(), 0, This->notifies); + HeapFree(GetProcessHeap(), 0, This->pwfx); + HeapFree(GetProcessHeap(), 0, This); + + TRACE("(%p) released\n", This); +} + HRESULT IDirectSoundBufferImpl_Destroy( IDirectSoundBufferImpl *pdsb) { @@ -1130,7 +1140,7 @@ HRESULT IDirectSoundBufferImpl_Destroy(
/* This keeps the *_Destroy functions from possibly deleting * this object until it is ready to be deleted */ - IDirectSoundBufferImpl_AddRef(&pdsb->IDirectSoundBuffer8_iface); + InterlockedIncrement(&pdsb->numIfaces);
if (pdsb->iks) { WARN("iks not NULL\n"); @@ -1150,7 +1160,7 @@ HRESULT IDirectSoundBufferImpl_Destroy( pdsb->notify = NULL; }
- while (IDirectSoundBuffer8_Release(&pdsb->IDirectSoundBuffer8_iface) > 0); + secondarybuffer_destroy(pdsb);
return S_OK; } @@ -1196,6 +1206,7 @@ HRESULT IDirectSoundBufferImpl_Duplicate( dsb->buffer->ref++; list_add_head(&dsb->buffer->buffers, &dsb->entry); dsb->ref = 1; + dsb->numIfaces = 1; dsb->state = STATE_STOPPED; dsb->buf_mixpos = dsb->sec_mixpos = 0; dsb->notify = NULL; diff --git a/dlls/dsound/dsound_private.h b/dlls/dsound/dsound_private.h index fb02495..1410a9c 100644 --- a/dlls/dsound/dsound_private.h +++ b/dlls/dsound/dsound_private.h @@ -159,6 +159,7 @@ HRESULT DirectSoundDevice_VerifyCertification(DirectSoundDevice * device, struct IDirectSoundBufferImpl { IDirectSoundBuffer8 IDirectSoundBuffer8_iface; + LONG numIfaces; /* "in use interfaces" refcount */ LONG ref; /* IDirectSoundBufferImpl fields */ DirectSoundDevice* device; @@ -206,6 +207,7 @@ HRESULT IDirectSoundBufferImpl_Duplicate( DirectSoundDevice *device, IDirectSoundBufferImpl **ppdsb, IDirectSoundBufferImpl *pdsb) DECLSPEC_HIDDEN; +void secondarybuffer_destroy(IDirectSoundBufferImpl *This) DECLSPEC_HIDDEN;
/***************************************************************************** * PrimaryBuffer implementation structure diff --git a/dlls/dsound/sound3d.c b/dlls/dsound/sound3d.c index 956013d..48b49bc 100644 --- a/dlls/dsound/sound3d.c +++ b/dlls/dsound/sound3d.c @@ -335,7 +335,12 @@ static ULONG WINAPI IDirectSound3DBufferImpl_AddRef(LPDIRECTSOUND3DBUFFER iface) { IDirectSound3DBufferImpl *This = (IDirectSound3DBufferImpl *)iface; ULONG ref = InterlockedIncrement(&(This->ref)); + TRACE("(%p) ref was %d\n", This, ref - 1); + + if(ref == 1) + InterlockedIncrement(&This->dsb->numIfaces); + return ref; }
@@ -347,7 +352,8 @@ static ULONG WINAPI IDirectSound3DBufferImpl_Release(LPDIRECTSOUND3DBUFFER iface
if (!ref) { This->dsb->ds3db = NULL; - IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb); + if (!InterlockedDecrement(&This->dsb->numIfaces)) + secondarybuffer_destroy(This->dsb); HeapFree(GetProcessHeap(), 0, This); TRACE("(%p) released\n", This); }