[PATCH 04/13] qedit: Store the filename for retrieval instead of querying the filter.

[Gabriel Ivăncescu]

Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
---

This will be needed after put_Filter is implemented so that it passes the
tests properly.

 dlls/qedit/mediadet.c | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/dlls/qedit/mediadet.c b/dlls/qedit/mediadet.c
index 0a06d52..0119d2e 100644
--- a/dlls/qedit/mediadet.c
+++ b/dlls/qedit/mediadet.c
@@ -28,6 +28,7 @@
 #include "ole2.h"
 
 #include "qedit_private.h"
+#include "wine/heap.h"
 #include "wine/debug.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(qedit);
@@ -40,6 +41,7 @@ typedef struct MediaDetImpl {
     IGraphBuilder *graph;
     IBaseFilter *source;
     IBaseFilter *splitter;
+    WCHAR *filename;
     LONG num_streams;
     LONG cur_stream;
     IPin *cur_pin;
@@ -65,6 +67,8 @@ static void MD_cleanup(MediaDetImpl *This)
     This->splitter = NULL;
     if (This->graph) IGraphBuilder_Release(This->graph);
     This->graph = NULL;
+    if (This->filename) heap_free(This->filename);
+    This->filename = NULL;
     This->num_streams = -1;
     This->cur_stream = 0;
 }
@@ -341,9 +345,6 @@ static HRESULT WINAPI MediaDet_get_StreamLength(IMediaDet* iface, double *pVal)
 static HRESULT WINAPI MediaDet_get_Filename(IMediaDet* iface, BSTR *pVal)
 {
     MediaDetImpl *This = impl_from_IMediaDet(iface);
-    IFileSourceFilter *file;
-    LPOLESTR name;
-    HRESULT hr;
 
     TRACE("(%p)\n", This);
 
@@ -353,21 +354,10 @@ static HRESULT WINAPI MediaDet_get_Filename(IMediaDet* iface, BSTR *pVal)
     *pVal = NULL;
     /* MSDN says it should return E_FAIL if no file is open, but tests
        show otherwise.  */
-    if (!This->source)
+    if (!This->filename)
         return S_OK;
 
-    hr = IBaseFilter_QueryInterface(This->source, &IID_IFileSourceFilter,
-                                    (void **) &file);
-    if (FAILED(hr))
-        return hr;
-
-    hr = IFileSourceFilter_GetCurFile(file, &name, NULL);
-    IFileSourceFilter_Release(file);
-    if (FAILED(hr))
-        return hr;
-
-    *pVal = SysAllocString(name);
-    CoTaskMemFree(name);
+    *pVal = SysAllocString(This->filename);
     if (!*pVal)
         return E_OUTOFMEMORY;
 
@@ -537,14 +527,22 @@ static HRESULT WINAPI MediaDet_put_Filename(IMediaDet* iface, BSTR newVal)
     if (FAILED(hr))
         return hr;
 
+    if (!(This->filename = heap_alloc((wcslen(newVal) + 1) * sizeof(WCHAR))))
+    {
+        IGraphBuilder_Release(gb);
+        return E_OUTOFMEMORY;
+    }
+
     if (FAILED(hr = IGraphBuilder_AddSourceFilter(gb, newVal, L"Reader", &bf)))
     {
+        heap_free(This->filename);
         IGraphBuilder_Release(gb);
         return hr;
     }
 
     This->graph = gb;
     This->source = bf;
+    wcscpy(This->filename, newVal);
     hr = GetSplitter(This);
     if (FAILED(hr))
         return hr;
-- 
2.21.0