[janderwald] 43869: - Fix retrieving audio position

Author: janderwald
Date: Sat Oct 31 11:38:25 2009
New Revision: 43869

URL: http://svn.reactos.org/svn/reactos?rev=43869&view=rev
Log:
- Fix retrieving audio position

Modified:
    trunk/reactos/drivers/wdm/audio/backpln/portcls/interfaces.hpp
    trunk/reactos/drivers/wdm/audio/backpln/portcls/irpstream.cpp
    trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/interfaces.hpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/interfaces.hpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/interfaces.hpp [iso-8859-1] Sat Oct 31 11:38:25 2009
@@ -354,7 +354,7 @@
         IN PVOID Tag) PURE;

STDMETHOD_(BOOL, HasLastMappingFailed)(THIS) PURE;
-    STDMETHOD_(VOID, PrintQueueStatus)(THIS) PURE;
+    STDMETHOD_(ULONG, GetCurrentIrpOffset)(THIS) PURE;
     STDMETHOD_(VOID, SetMinimumDataThreshold)(THIS_
         IN ULONG MinimumDataThreshold) PURE;
     STDMETHOD_(ULONG, GetMinimumDataThreshold)(THIS) PURE;
@@ -403,7 +403,7 @@
         IN PVOID Tag);                                 \
                                                        \
     STDMETHODIMP_(BOOL) HasLastMappingFailed(THIS);    \
-    STDMETHODIMP_(VOID) PrintQueueStatus(THIS);        \
+    STDMETHODIMP_(ULONG) GetCurrentIrpOffset(THIS);    \
     STDMETHODIMP_(VOID) SetMinimumDataThreshold(       \
         IN ULONG MinimumDataThreshold);                \
     STDMETHODIMP_(ULONG) GetMinimumDataThreshold(VOID)

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/irpstream.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/irpstream.cpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/irpstream.cpp [iso-8859-1] Sat Oct 31 11:38:25 2009
@@ -35,7 +35,7 @@
     virtual ~CIrpQueue(){}

protected:
-    ULONG m_CurrentOffset;
+    volatile ULONG m_CurrentOffset;
     LONG m_NumMappings;
     ULONG m_NumDataAvailable;
     BOOL m_StartStream;
@@ -312,7 +312,7 @@
    // ASSERT(StreamHeader);

// add to current offset
-    m_CurrentOffset += BytesWritten;
+    InterlockedExchangeAdd((volatile PLONG)&m_CurrentOffset, (LONG)BytesWritten);

// decrement available data counter
     m_NumDataAvailable -= BytesWritten;
@@ -559,11 +559,12 @@
     return m_OutOfMapping;
 }

-VOID
-NTAPI
-CIrpQueue::PrintQueueStatus()
-{
-
+ULONG
+NTAPI
+CIrpQueue::GetCurrentIrpOffset()
+{
+
+    return m_CurrentOffset;
 }

VOID

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp [iso-8859-1] Sat Oct 31 11:38:25 2009
@@ -218,7 +218,8 @@
         else if (Pin->m_ConnectDetails->Interface.Id == KSINTERFACE_STANDARD_LOOPED_STREAMING)
         {
             Position->PlayOffset = Pin->m_Position.PlayOffset % Pin->m_Position.WriteOffset;
-            Position->WriteOffset = Pin->m_IrpQueue->NumData();
+            Position->WriteOffset = (ULONGLONG)Pin->m_IrpQueue->GetCurrentIrpOffset();
+            DPRINT("Play %lu Write %lu\n", Position->PlayOffset, Position->WriteOffset);
         }

@@ -606,10 +607,7 @@

if (NT_SUCCESS(Status))
     {
-        if (m_Capture)
-            m_Position.WriteOffset += Data;
-        else
-            m_Position.WriteOffset += Data;
+        m_Position.WriteOffset += Data;

return STATUS_PENDING;
     }