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Diffstat (limited to 'src/multimedia/platform/windows/mediacapture/qwindowsmediadevicereader_p.h')
| -rw-r--r-- | src/multimedia/platform/windows/mediacapture/qwindowsmediadevicereader_p.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/multimedia/platform/windows/mediacapture/qwindowsmediadevicereader_p.h b/src/multimedia/platform/windows/mediacapture/qwindowsmediadevicereader_p.h new file mode 100644 index 000000000..48ddafecb --- /dev/null +++ b/src/multimedia/platform/windows/mediacapture/qwindowsmediadevicereader_p.h @@ -0,0 +1,177 @@ +/**************************************************************************** +** +** Copyright (C) 2021 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 QWINDOWSMEDIADEVICEREADER_H +#define QWINDOWSMEDIADEVICEREADER_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 <mfapi.h> +#include <mfidl.h> +#include <Mferror.h> +#include <Mfreadwrite.h> + +#include <QtCore/qobject.h> +#include <QtCore/qmutex.h> +#include <QtCore/qsemaphore.h> +#include <QtCore/qtimer.h> +#include <qvideoframe.h> +#include <qcameradevice.h> + +QT_BEGIN_NAMESPACE + +class QVideoSink; + +class QWindowsMediaDeviceReader : public QObject, + public IMFSourceReaderCallback, + public IMFSinkWriterCallback +{ + Q_OBJECT +public: + explicit QWindowsMediaDeviceReader(QObject *parent = nullptr); + ~QWindowsMediaDeviceReader(); + + //from IUnknown + STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject); + STDMETHODIMP_(ULONG) AddRef(void); + STDMETHODIMP_(ULONG) Release(void); + + //from IMFSourceReaderCallback + STDMETHODIMP OnReadSample(HRESULT hrStatus, DWORD dwStreamIndex, + DWORD dwStreamFlags, LONGLONG llTimestamp, IMFSample *pSample); + STDMETHODIMP OnFlush(DWORD dwStreamIndex); + STDMETHODIMP OnEvent(DWORD dwStreamIndex, IMFMediaEvent *pEvent); + + //from IMFSinkWriterCallback + STDMETHODIMP OnFinalize(HRESULT hrStatus); + STDMETHODIMP OnMarker(DWORD dwStreamIndex, LPVOID pvContext); + + bool activate(const QString &cameraId, + const QCameraFormat &cameraFormat, + const QString µphoneId); + void deactivate(); + + bool startRecording(const QString &fileName, const GUID &container, + const GUID &videoFormat, UINT32 videoBitRate, UINT32 width, + UINT32 height, qreal frameRate, const GUID &audioFormat, + UINT32 audioBitRate); + void stopRecording(); + bool pauseRecording(); + bool resumeRecording(); + + UINT32 frameWidth() const; + UINT32 frameHeight() const; + qreal frameRate() const; + bool isMuted() const; + void setMuted(bool muted); + qreal volume() const; + void setVolume(qreal volume); + +Q_SIGNALS: + void streamingStarted(); + void streamingStopped(); + void streamingError(int errorCode); + void recordingStarted(); + void recordingStopped(); + void durationChanged(qint64 duration); + void newVideoFrame(const QVideoFrame &frame); + +private slots: + void updateDuration(); + +private: + HRESULT createSource(const QString &deviceId, bool video, IMFMediaSource **source); + HRESULT createAggregateReader(IMFMediaSource *firstSource, IMFMediaSource *secondSource, + IMFMediaSource **aggregateSource, IMFSourceReader **sourceReader); + HRESULT createVideoMediaType(const GUID &format, UINT32 bitRate, UINT32 width, UINT32 height, + qreal frameRate, IMFMediaType **mediaType); + HRESULT createAudioMediaType(const GUID &format, UINT32 bitRate, IMFMediaType **mediaType); + HRESULT prepareVideoStream(DWORD mediaTypeIndex); + HRESULT prepareAudioStream(); + HRESULT initSourceIndexes(); + void releaseResources(); + void stopStreaming(); + DWORD findMediaTypeIndex(const QCameraFormat &reqFormat); + + long m_cRef = 1; + QMutex m_mutex; + QSemaphore m_finalizeSemaphore; + IMFMediaSource *m_videoSource = nullptr; + IMFMediaType *m_videoMediaType = nullptr; + IMFMediaSource *m_audioSource = nullptr; + IMFMediaType *m_audioMediaType = nullptr; + IMFMediaSource *m_aggregateSource = nullptr; + IMFSourceReader *m_sourceReader = nullptr; + IMFSinkWriter *m_sinkWriter = nullptr; + DWORD m_sourceVideoStreamIndex = MF_SOURCE_READER_INVALID_STREAM_INDEX; + DWORD m_sourceAudioStreamIndex = MF_SOURCE_READER_INVALID_STREAM_INDEX; + DWORD m_sinkVideoStreamIndex = MF_SINK_WRITER_INVALID_STREAM_INDEX; + DWORD m_sinkAudioStreamIndex = MF_SINK_WRITER_INVALID_STREAM_INDEX; + UINT32 m_frameWidth = 0; + UINT32 m_frameHeight = 0; + qreal m_frameRate = 0.0; + LONG m_stride = 0; + bool m_active = false; + bool m_streaming = false; + bool m_recording = false; + bool m_firstFrame = false; + bool m_paused = false; + bool m_pauseChanging = false; + bool m_muted = false; + qreal m_volume = 1.0; + QVideoFrameFormat::PixelFormat m_pixelFormat = QVideoFrameFormat::Format_Invalid; + LONGLONG m_timeOffset = 0; + LONGLONG m_pauseTime = 0; + QTimer m_durationTimer; + qint64 m_currentDuration = -1; + qint64 m_lastDuration = -1; +}; + +QT_END_NAMESPACE + +#endif // QWINDOWSMEDIADEVICEREADER_H |