quartz: Use unsafe_impl_from_IMediaSample() instead of a cast.

oldstable
Michael Stefaniuc 2012-07-03 00:19:52 +02:00 committed by Alexandre Julliard
parent f557ed6f94
commit 9262c55a2e
1 changed files with 13 additions and 2 deletions

View File

@ -70,6 +70,7 @@ static inline BaseMemAllocator *impl_from_IMemAllocator(IMemAllocator *iface)
static const IMemAllocatorVtbl BaseMemAllocator_VTable;
static const IMediaSample2Vtbl StdMediaSample2_VTable;
static inline StdMediaSample2 *unsafe_impl_from_IMediaSample(IMediaSample * iface);
#define AM_SAMPLE2_PROP_SIZE_WRITABLE FIELD_OFFSET(AM_SAMPLE2_PROPERTIES, pbBuffer)
@ -356,9 +357,9 @@ static HRESULT WINAPI BaseMemAllocator_GetBuffer(IMemAllocator * iface, IMediaSa
static HRESULT WINAPI BaseMemAllocator_ReleaseBuffer(IMemAllocator * iface, IMediaSample * pSample)
{
BaseMemAllocator *This = impl_from_IMemAllocator(iface);
StdMediaSample2 * pStdSample = (StdMediaSample2 *)pSample;
StdMediaSample2 * pStdSample = unsafe_impl_from_IMediaSample(pSample);
HRESULT hr = S_OK;
TRACE("(%p)->(%p)\n", This, pSample);
/* FIXME: make sure that sample is currently on the used list */
@ -791,6 +792,16 @@ static const IMediaSample2Vtbl StdMediaSample2_VTable =
StdMediaSample2_SetProperties
};
static inline StdMediaSample2 *unsafe_impl_from_IMediaSample(IMediaSample * iface)
{
IMediaSample2 *iface2 = (IMediaSample2 *)iface;
if (!iface)
return NULL;
assert(iface2->lpVtbl == &StdMediaSample2_VTable);
return impl_from_IMediaSample2(iface2);
}
typedef struct StdMemAllocator
{
BaseMemAllocator base;