Make the Direct Show media service compile with mingw.

There a number of interfaces and guid constants used by the media service
that aren't defined by mingw.  Define these locally.

Reviewed-by: Justin McPherson

1 files changed, 5 insertions, 1 deletions

diff --git a/src/plugins/mediaservices/directshow/mediaplayer/directshowiosource.cpp b/src/plugins/mediaservices/directshow/mediaplayer/directshowiosource.cpp
index 15bfea5..7b66d56 100644
--- a/src/plugins/mediaservices/directshow/mediaplayer/directshowiosource.cpp
+++ b/src/plugins/mediaservices/directshow/mediaplayer/directshowiosource.cpp
@@ -121,6 +121,10 @@ void DirectShowIOSource::setAllocator(IMemAllocator *allocator)
 // IUnknown
 HRESULT DirectShowIOSource::QueryInterface(REFIID riid, void **ppvObject)
 {
+    // 2dd74950-a890-11d1-abe8-00a0c905f375
+    static const GUID iid_IAmFilterMiscFlags = {
+        0x2dd74950, 0xa890, 0x11d1, {0xab, 0xe8, 0x00, 0xa0, 0xc9, 0x05, 0xf3, 0x75}};
+
     if (!ppvObject) {
         return E_POINTER;
     } else if (riid == IID_IUnknown
@@ -128,7 +132,7 @@ HRESULT DirectShowIOSource::QueryInterface(REFIID riid, void **ppvObject)
             || riid == IID_IMediaFilter
             || riid == IID_IBaseFilter) {
         *ppvObject = static_cast<IBaseFilter *>(this);
-    } else if (riid == IID_IAMFilterMiscFlags) {
+    } else if (riid == iid_IAmFilterMiscFlags) {
         *ppvObject = static_cast<IAMFilterMiscFlags *>(this);
     } else if (riid == IID_IPin) {
         *ppvObject = static_cast<IPin *>(this);