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Diffstat (limited to 'src/plugins/wmf/player/samplegrabber.h')
-rw-r--r-- | src/plugins/wmf/player/samplegrabber.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/plugins/wmf/player/samplegrabber.h b/src/plugins/wmf/player/samplegrabber.h new file mode 100644 index 000000000..26bb32147 --- /dev/null +++ b/src/plugins/wmf/player/samplegrabber.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef SAMPLEGRABBER_H +#define SAMPLEGRABBER_H + +#include <QtCore/qmutex.h> +#include <QtCore/qlist.h> +#include <QtMultimedia/qaudioformat.h> +#include <mfapi.h> +#include <mfidl.h> + +class MFAudioProbeControl; + +class SampleGrabberCallback : public IMFSampleGrabberSinkCallback +{ +public: + // IUnknown methods + STDMETHODIMP QueryInterface(REFIID iid, void** ppv); + STDMETHODIMP_(ULONG) AddRef(); + STDMETHODIMP_(ULONG) Release(); + + // IMFClockStateSink methods + STDMETHODIMP OnClockStart(MFTIME hnsSystemTime, LONGLONG llClockStartOffset); + STDMETHODIMP OnClockStop(MFTIME hnsSystemTime); + STDMETHODIMP OnClockPause(MFTIME hnsSystemTime); + STDMETHODIMP OnClockRestart(MFTIME hnsSystemTime); + STDMETHODIMP OnClockSetRate(MFTIME hnsSystemTime, float flRate); + + // IMFSampleGrabberSinkCallback methods + STDMETHODIMP OnSetPresentationClock(IMFPresentationClock* pClock); + STDMETHODIMP OnShutdown(); + +protected: + SampleGrabberCallback() : m_cRef(1) {} + +public: + virtual ~SampleGrabberCallback() {} + +private: + long m_cRef; +}; + +class AudioSampleGrabberCallback: public SampleGrabberCallback { +public: + void addProbe(MFAudioProbeControl* probe); + void removeProbe(MFAudioProbeControl* probe); + void setFormat(const QAudioFormat& format); + + STDMETHODIMP OnProcessSample(REFGUID guidMajorMediaType, DWORD dwSampleFlags, + LONGLONG llSampleTime, LONGLONG llSampleDuration, const BYTE * pSampleBuffer, + DWORD dwSampleSize); + +private: + QList<MFAudioProbeControl*> m_audioProbes; + QMutex m_audioProbeMutex; + QAudioFormat m_format; +}; + +#endif // SAMPLEGRABBER_H |