diff options
Diffstat (limited to 'src/plugins/directshow/common/directshowpin.h')
-rw-r--r-- | src/plugins/directshow/common/directshowpin.h | 192 |
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 --- /dev/null +++ b/src/plugins/directshow/common/directshowpin.h @@ -0,0 +1,192 @@ +/**************************************************************************** +** +** 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 |