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evr/allocator: Fix released sample pointer check. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-11-12 13:36:35 +03:00 committed by Alexandre Julliard
parent f60ec4ea06
commit 2ef767dcee
1 changed files with 13 additions and 5 deletions
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18
dlls/evr/sample.c
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@ -796,15 +796,23 @@ static HRESULT WINAPI sample_allocator_tracking_callback_Invoke(IMFAsyncCallback
{ {
struct sample_allocator *allocator = impl_from_IMFAsyncCallback(iface); struct sample_allocator *allocator = impl_from_IMFAsyncCallback(iface);
struct queued_sample *iter; struct queued_sample *iter;
IUnknown *sample = NULL; IUnknown *object = NULL;
IMFSample *sample = NULL;
HRESULT hr;
if (FAILED(IMFAsyncResult_GetObject(result, &object)))
return E_UNEXPECTED;
hr = IUnknown_QueryInterface(object, &IID_IMFSample, (void **)&sample);
IUnknown_Release(object);
if (FAILED(hr))
return E_UNEXPECTED;
EnterCriticalSection(&allocator->cs); EnterCriticalSection(&allocator->cs);
IMFAsyncResult_GetObject(result, (IUnknown **)&sample);
LIST_FOR_EACH_ENTRY(iter, &allocator->used_samples, struct queued_sample, entry) LIST_FOR_EACH_ENTRY(iter, &allocator->used_samples, struct queued_sample, entry)
{ {
if (sample == (IUnknown *)iter->sample) if (sample == iter->sample)
{ {
list_remove(&iter->entry); list_remove(&iter->entry);
list_add_tail(&allocator->free_samples, &iter->entry); list_add_tail(&allocator->free_samples, &iter->entry);
@ -813,7 +821,7 @@ static HRESULT WINAPI sample_allocator_tracking_callback_Invoke(IMFAsyncCallback
} }
} }
IUnknown_Release(sample); IMFSample_Release(sample);
if (allocator->callback) if (allocator->callback)
IMFVideoSampleAllocatorNotify_NotifyRelease(allocator->callback); IMFVideoSampleAllocatorNotify_NotifyRelease(allocator->callback);