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amstream: Lock the entirety of IDirectDrawMediaStream::CreateSample(). 

Signed-off-by: Gijs Vermeulen <gijsvrm@gmail.com>
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gijs Vermeulen 2020-06-30 19:57:13 -05:00 committed by Alexandre Julliard
parent c80d5c1507
commit 276701e9b4
1 changed files with 6 additions and 4 deletions
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10
dlls/amstream/ddrawstream.c
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@ -437,11 +437,16 @@ static HRESULT WINAPI ddraw_IDirectDrawMediaStream_CreateSample(IDirectDrawMedia
IDirectDrawStreamSample **sample) IDirectDrawStreamSample **sample)
{ {
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface); struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
HRESULT hr;
TRACE("stream %p, surface %p, rect %s, flags %#x, sample %p.\n", TRACE("stream %p, surface %p, rect %s, flags %#x, sample %p.\n",
stream, surface, wine_dbgstr_rect(rect), flags, sample); stream, surface, wine_dbgstr_rect(rect), flags, sample);
return ddrawstreamsample_create(stream, surface, rect, sample); EnterCriticalSection(&stream->cs);
hr = ddrawstreamsample_create(stream, surface, rect, sample);
LeaveCriticalSection(&stream->cs);
return hr;
} }
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetTimePerFrame(IDirectDrawMediaStream *iface, static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetTimePerFrame(IDirectDrawMediaStream *iface,
@ -1163,10 +1168,7 @@ static HRESULT ddrawstreamsample_create(struct ddraw_stream *parent, IDirectDraw
object->IDirectDrawStreamSample_iface.lpVtbl = &DirectDrawStreamSample_Vtbl; object->IDirectDrawStreamSample_iface.lpVtbl = &DirectDrawStreamSample_Vtbl;
object->ref = 1; object->ref = 1;
object->parent = parent; object->parent = parent;
EnterCriticalSection(&parent->cs);
++parent->sample_refs; ++parent->sample_refs;
LeaveCriticalSection(&parent->cs);
if (surface) if (surface)
{ {