diff -r 2b40d63a9c3d -r 90517678cc4f qtmobility/plugins/multimedia/directshow/player/directshowioreader.cpp
--- a/qtmobility/plugins/multimedia/directshow/player/directshowioreader.cpp	Fri Apr 16 15:51:22 2010 +0300
+++ b/qtmobility/plugins/multimedia/directshow/player/directshowioreader.cpp	Mon May 03 13:18:40 2010 +0300
@@ -140,7 +140,7 @@
 
             return S_OK;
         } else {
-            *ppActual = com_new<IMemAllocator>(CLSID_MemoryAllocator);
+            *ppActual = com_new<IMemAllocator>(CLSID_MemoryAllocator, IID_IMemAllocator);
 
             if (*ppActual) {
                 if ((*ppActual)->SetProperties(pProps, &actualProperties) != S_OK) {
@@ -176,7 +176,7 @@
             return VFW_E_SAMPLE_TIME_NOT_SET;
         } else {
             LONGLONG position = startTime / 10000000;
-            LONG length = ((endTime - startTime) / 10000000) + 1;
+            LONG length = (endTime - startTime) / 10000000;
 
             DirectShowSampleRequest *request = new DirectShowSampleRequest(
                     pSample, dwUser, position, length, buffer);
@@ -248,7 +248,7 @@
             return VFW_E_SAMPLE_TIME_NOT_SET;
         } else {
             LONGLONG position = startTime / 10000000;
-            LONG length = ((endTime - startTime) / 10000000) + 1;
+            LONG length = (endTime - startTime) / 10000000;
 
             QMutexLocker locker(&m_mutex);