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

dlls/qcap/qcap_private.h

@@ -47,7 +47,8 @@ struct video_capture_funcs
     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);
     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);
+    HRESULT (*get_media_type)(struct video_capture_device *device,
+            unsigned int index, AM_MEDIA_TYPE *mt, VIDEOINFOHEADER *format);
     void (*get_caps)(struct video_capture_device *device, LONG index, AM_MEDIA_TYPE *mt,
             VIDEOINFOHEADER *format, VIDEO_STREAM_CONFIG_CAPS *caps);
     LONG (*get_caps_count)(struct video_capture_device *device);

dlls/qcap/v4l.c

@@ -216,7 +216,7 @@ static void v4l_device_get_format(struct video_capture_device *device, AM_MEDIA_
 }
 
 static HRESULT v4l_device_get_media_type(struct video_capture_device *device,
-        unsigned int index, AM_MEDIA_TYPE *mt)
+        unsigned int index, AM_MEDIA_TYPE *mt, VIDEOINFOHEADER *format)
 {
     unsigned int caps_count = (device->current_caps) ? 1 : device->caps_count;
 
@@ -224,9 +224,16 @@ static HRESULT v4l_device_get_media_type(struct video_capture_device *device,
         return VFW_S_NO_MORE_ITEMS;
 
     if (device->current_caps)
-        return CopyMediaType(mt, &device->current_caps->media_type);
-
-    return CopyMediaType(mt, &device->caps[index].media_type);
+    {
+        *mt = device->current_caps->media_type;
+        *format = device->current_caps->video_info;
+    }
+    else
+    {
+        *mt = device->caps[index].media_type;
+        *format = device->caps[index].video_info;
+    }
+    return S_OK;
 }
 
 static __u32 v4l2_cid_from_qcap_property(VideoProcAmpProperty property)

dlls/qcap/vfwcapture.c

@@ -658,7 +658,20 @@ static HRESULT source_get_media_type(struct strmbase_pin *pin,
         unsigned int index, AM_MEDIA_TYPE *mt)
 {
     struct vfw_capture *filter = impl_from_strmbase_pin(pin);
-    return capture_funcs->get_media_type(filter->device, index, mt);
+    VIDEOINFOHEADER *format;
+    HRESULT hr;
+
+    if (!(format = CoTaskMemAlloc(sizeof(*format))))
+        return E_OUTOFMEMORY;
+
+    if ((hr = capture_funcs->get_media_type(filter->device, index, mt, format)) != S_OK)
+    {
+        CoTaskMemFree(format);
+        return hr;
+    }
+    mt->cbFormat = sizeof(VIDEOINFOHEADER);
+    mt->pbFormat = (BYTE *)format;
+    return S_OK;
 }
 
 static HRESULT source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)