[PATCH 08/11] mf: Check output pointers in sample copier GetStreamLimits / GetStreamCount / GetAttributes.

[Rémi Bernon]

From: R��mi Bernon

---
 dlls/mf/copier.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/dlls/mf/copier.c b/dlls/mf/copier.c
index ab995fb98db..14cb391e17e 100644
--- a/dlls/mf/copier.c
+++ b/dlls/mf/copier.c
@@ -102,7 +102,14 @@ static HRESULT WINAPI sample_copier_transform_GetStreamLimits(IMFTransform *ifac
 {
     TRACE("%p, %p, %p, %p, %p.\n", iface, input_minimum, input_maximum, output_minimum, output_maximum);

-    *input_minimum = *input_maximum = *output_minimum = *output_maximum = 1;
+    if (input_minimum)
+        *input_minimum = 1;
+    if (input_maximum)
+        *input_maximum = 1;
+    if (output_minimum)
+        *output_minimum = 1;
+    if (output_maximum)
+        *output_maximum = 1;

return S_OK;
 }
@@ -111,8 +118,10 @@ static HRESULT WINAPI sample_copier_transform_GetStreamCount(IMFTransform *iface
 {
     TRACE("%p, %p, %p.\n", iface, inputs, outputs);

-    *inputs = 1;
-    *outputs = 1;
+    if (inputs)
+        *inputs = 1;
+    if (outputs)
+        *outputs = 1;

return S_OK;
 }
@@ -162,6 +171,9 @@ static HRESULT WINAPI sample_copier_transform_GetAttributes(IMFTransform *iface,

TRACE("%p, %p.\n", iface, attributes);

+    if (!attributes)
+        return E_POINTER;
+
     *attributes = transform->attributes;
     IMFAttributes_AddRef(*attributes);