1 files changed, 83 insertions, 0 deletions
diff --git a/src/plugins/multimedia/windows/sourceresolver_p.h b/src/plugins/multimedia/windows/sourceresolver_p.h
new file mode 100644
index 000000000..57ac6fc9d
--- /dev/null
+++ b/src/plugins/multimedia/windows/sourceresolver_p.h
@@ -0,0 +1,83 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef SOURCERESOLVER_H
+#define SOURCERESOLVER_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "mfstream_p.h"
+#include <QUrl>
+
+QT_BEGIN_NAMESPACE
+
+class SourceResolver: public QObject, public IMFAsyncCallback
+{
+    Q_OBJECT
+public:
+    SourceResolver();
+
+    ~SourceResolver();
+
+    STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject) override;
+    STDMETHODIMP_(ULONG) AddRef(void) override;
+    STDMETHODIMP_(ULONG) Release(void) override;
+
+    HRESULT STDMETHODCALLTYPE Invoke(IMFAsyncResult *pAsyncResult) override;
+
+    HRESULT STDMETHODCALLTYPE GetParameters(DWORD*, DWORD*) override;
+
+    void load(const QUrl &url, QIODevice* stream);
+
+    void cancel();
+
+    void shutdown();
+
+    IMFMediaSource* mediaSource() const;
+
+Q_SIGNALS:
+    void error(long hr);
+    void mediaSourceReady();
+
+private:
+    class State : public IUnknown
+    {
+    public:
+        State(IMFSourceResolver *sourceResolver, bool fromStream);
+        virtual ~State();
+
+        STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject) override;
+
+        STDMETHODIMP_(ULONG) AddRef(void) override;
+
+        STDMETHODIMP_(ULONG) Release(void) override;
+
+        IMFSourceResolver* sourceResolver() const;
+        bool fromStream() const;
+
+    private:
+        long m_cRef;
+        IMFSourceResolver *m_sourceResolver;
+        bool m_fromStream;
+    };
+
+    long              m_cRef;
+    IUnknown          *m_cancelCookie;
+    IMFSourceResolver *m_sourceResolver;
+    IMFMediaSource    *m_mediaSource;
+    MFStream          *m_stream;
+    QMutex            m_mutex;
+};
+
+QT_END_NAMESPACE
+
+#endif