qcap: Directly pass a VIDEOINFOHEADER pointer to the get_format() operation.

dlls/qcap/qcap_private.h

@@ -46,7 +46,7 @@ struct video_capture_funcs
     void (*destroy)(struct video_capture_device *device);
     HRESULT (*check_format)(struct video_capture_device *device, const AM_MEDIA_TYPE *mt);
     HRESULT (*set_format)(struct video_capture_device *device, const AM_MEDIA_TYPE *mt);
-    HRESULT (*get_format)(struct video_capture_device *device, AM_MEDIA_TYPE *mt);
+    void (*get_format)(struct video_capture_device *device, AM_MEDIA_TYPE *mt, VIDEOINFOHEADER *format);
     HRESULT (*get_media_type)(struct video_capture_device *device, unsigned int index, AM_MEDIA_TYPE *mt);
     void (*get_caps)(struct video_capture_device *device, LONG index, AM_MEDIA_TYPE *mt,
             VIDEOINFOHEADER *format, VIDEO_STREAM_CONFIG_CAPS *caps);

dlls/qcap/v4l.c

@@ -209,9 +209,10 @@ static HRESULT v4l_device_set_format(struct video_capture_device *device, const
     return set_caps(device, caps);
 }
 
-static HRESULT v4l_device_get_format(struct video_capture_device *device, AM_MEDIA_TYPE *mt)
+static void v4l_device_get_format(struct video_capture_device *device, AM_MEDIA_TYPE *mt, VIDEOINFOHEADER *format)
 {
-    return CopyMediaType(mt, &device->current_caps->media_type);
+    *mt = device->current_caps->media_type;
+    *format = device->current_caps->video_info;
 }
 
 static HRESULT v4l_device_get_media_type(struct video_capture_device *device,

dlls/qcap/vfwcapture.c

@@ -337,6 +337,7 @@ AMStreamConfig_SetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE *pmt)
 static HRESULT WINAPI AMStreamConfig_GetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE **mt)
 {
     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
+    VIDEOINFOHEADER *format;
     HRESULT hr;
 
     TRACE("filter %p, mt %p.\n", filter, mt);
@@ -347,11 +348,30 @@ static HRESULT WINAPI AMStreamConfig_GetFormat(IAMStreamConfig *iface, AM_MEDIA_
     EnterCriticalSection(&filter->filter.csFilter);
 
     if (filter->source.pin.peer)
+    {
         hr = CopyMediaType(*mt, &filter->source.pin.mt);
-    else if (SUCCEEDED(hr = capture_funcs->get_format(filter->device, *mt)))
-        strmbase_dump_media_type(*mt);
+    }
+    else
+    {
+        if ((format = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER))))
+        {
+            capture_funcs->get_format(filter->device, *mt, format);
+            (*mt)->cbFormat = sizeof(VIDEOINFOHEADER);
+            (*mt)->pbFormat = (BYTE *)format;
+            hr = S_OK;
+        }
+        else
+        {
+            hr = E_OUTOFMEMORY;
+        }
+    }
 
     LeaveCriticalSection(&filter->filter.csFilter);
+
+    if (SUCCEEDED(hr))
+        strmbase_dump_media_type(*mt);
+    else
+        CoTaskMemFree(*mt);
     return hr;
 }