1 files changed, 192 insertions, 0 deletions
diff --git a/src/plugins/directshow/common/directshowpin.h b/src/plugins/directshow/common/directshowpin.h
new file mode 100644
index 000000000..97e808384
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+++ b/src/plugins/directshow/common/directshowpin.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DIRECTSHOWPIN_H
+#define DIRECTSHOWPIN_H
+
+#include "directshowobject.h"
+
+#include "directshowmediatype.h"
+#include <qstring.h>
+#include <qmutex.h>
+
+QT_BEGIN_NAMESPACE
+
+class DirectShowBaseFilter;
+
+class DirectShowPin : public DirectShowObject
+                    , public IPin
+{
+    DIRECTSHOW_OBJECT
+
+public:
+    virtual ~DirectShowPin();
+
+    QString name() const { return m_name; }
+    bool isConnected() const { return m_peerPin != NULL; }
+
+    virtual bool isMediaTypeSupported(const AM_MEDIA_TYPE *type) = 0;
+    virtual QList<DirectShowMediaType> supportedMediaTypes();
+    virtual bool setMediaType(const AM_MEDIA_TYPE *type);
+
+    virtual HRESULT completeConnection(IPin *pin);
+    virtual HRESULT connectionEnded();
+
+    virtual HRESULT setActive(bool active);
+
+    // DirectShowObject
+    HRESULT getInterface(REFIID riid, void **ppvObject);
+
+    // IPin
+    STDMETHODIMP Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt);
+    STDMETHODIMP ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt);
+    STDMETHODIMP Disconnect();
+    STDMETHODIMP ConnectedTo(IPin **ppPin);
+
+    STDMETHODIMP ConnectionMediaType(AM_MEDIA_TYPE *pmt);
+
+    STDMETHODIMP QueryPinInfo(PIN_INFO *pInfo);
+    STDMETHODIMP QueryId(LPWSTR *Id);
+
+    STDMETHODIMP QueryAccept(const AM_MEDIA_TYPE *pmt);
+
+    STDMETHODIMP EnumMediaTypes(IEnumMediaTypes **ppEnum);
+
+    STDMETHODIMP QueryInternalConnections(IPin **apPin, ULONG *nPin);
+
+    STDMETHODIMP EndOfStream();
+
+    STDMETHODIMP BeginFlush();
+    STDMETHODIMP EndFlush();
+
+    STDMETHODIMP NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
+
+    STDMETHODIMP QueryDirection(PIN_DIRECTION *pPinDir);
+
+protected:
+    DirectShowPin(DirectShowBaseFilter *filter, const QString &name, PIN_DIRECTION direction);
+
+    QMutex m_mutex;
+
+    DirectShowBaseFilter *m_filter;
+    QString m_name;
+    PIN_DIRECTION m_direction;
+
+    IPin *m_peerPin;
+    DirectShowMediaType m_mediaType;
+
+private:
+    Q_DISABLE_COPY(DirectShowPin)
+    HRESULT tryMediaTypes(IPin *pin, const AM_MEDIA_TYPE *type, IEnumMediaTypes *enumMediaTypes);
+    HRESULT tryConnect(IPin *pin, const AM_MEDIA_TYPE *type);
+};
+
+
+class DirectShowOutputPin : public DirectShowPin
+{
+    DIRECTSHOW_OBJECT
+
+public:
+    virtual ~DirectShowOutputPin();
+
+    // DirectShowPin
+    virtual HRESULT completeConnection(IPin *pin);
+    virtual HRESULT connectionEnded();
+    virtual HRESULT setActive(bool active);
+
+    // IPin
+    STDMETHODIMP EndOfStream();
+
+protected:
+    DirectShowOutputPin(DirectShowBaseFilter *filter, const QString &name);
+
+    IMemAllocator *m_allocator;
+    IMemInputPin *m_inputPin;
+
+private:
+    Q_DISABLE_COPY(DirectShowOutputPin)
+};
+
+
+class DirectShowInputPin : public DirectShowPin
+                         , public IMemInputPin
+{
+    DIRECTSHOW_OBJECT
+
+public:
+    virtual ~DirectShowInputPin();
+
+    const AM_SAMPLE2_PROPERTIES *currentSampleProperties() const { return &m_sampleProperties; }
+
+    // DirectShowObject
+    HRESULT getInterface(REFIID riid, void **ppvObject);
+
+    // DirectShowPin
+    HRESULT connectionEnded();
+    HRESULT setActive(bool active);
+
+    // IPin
+    STDMETHODIMP EndOfStream();
+    STDMETHODIMP BeginFlush();
+    STDMETHODIMP EndFlush();
+
+    // IMemInputPin
+    STDMETHODIMP GetAllocator(IMemAllocator **ppAllocator);
+    STDMETHODIMP NotifyAllocator(IMemAllocator *pAllocator, BOOL bReadOnly);
+    STDMETHODIMP GetAllocatorRequirements(ALLOCATOR_PROPERTIES *pProps);
+
+    STDMETHODIMP Receive(IMediaSample *pSample);
+    STDMETHODIMP ReceiveMultiple(IMediaSample **pSamples, long nSamples, long *nSamplesProcessed);
+    STDMETHODIMP ReceiveCanBlock();
+
+protected:
+    DirectShowInputPin(DirectShowBaseFilter *filter, const QString &name);
+
+    IMemAllocator *m_allocator;
+    bool m_flushing;
+    bool m_inErrorState;
+    AM_SAMPLE2_PROPERTIES m_sampleProperties;
+
+private:
+    Q_DISABLE_COPY(DirectShowInputPin)
+};
+
+QT_END_NAMESPACE
+
+#endif // DIRECTSHOWPIN_H