mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
cb98d51a9c
* fix: Resolve the enable state for v4l and screen capture * Use instance index instead of pointer * Second try * fix(QtGrabber): QScreen ownership * Remove v4l2 compState listener
128 lines
3.0 KiB
C++
128 lines
3.0 KiB
C++
#pragma once
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#include <QObject>
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#include <QJsonObject>
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#include <QJsonArray>
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#include <QString>
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#include <QStringList>
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#include <utils/Logger.h>
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#include <utils/Components.h>
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#include <utils/Image.h>
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#include <utils/ColorRgb.h>
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#include <utils/VideoMode.h>
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#include <utils/settings.h>
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class Grabber;
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class GlobalSignals;
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class QTimer;
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/// List of Hyperion instances that requested screen capt
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static QList<int> GRABBER_SYS_CLIENTS;
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static QList<int> GRABBER_V4L_CLIENTS;
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///
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/// This class will be inherted by FramebufferWrapper and others which contains the real capture interface
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///
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class GrabberWrapper : public QObject
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{
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Q_OBJECT
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public:
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GrabberWrapper(QString grabberName, Grabber * ggrabber, unsigned width, unsigned height, const unsigned updateRate_Hz = 0);
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virtual ~GrabberWrapper();
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///
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/// Starts the grabber wich produces led values with the specified update rate
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///
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virtual bool start();
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///
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/// Starts maybe the grabber wich produces led values with the specified update rate
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///
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virtual void tryStart();
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///
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/// Stop grabber
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///
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virtual void stop();
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static QStringList availableGrabbers();
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public:
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template <typename Grabber_T>
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bool transferFrame(Grabber_T &grabber)
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{
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unsigned w = grabber.getImageWidth();
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unsigned h = grabber.getImageHeight();
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if ( _image.width() != w || _image.height() != h)
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{
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_image.resize(w, h);
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}
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int ret = grabber.grabFrame(_image);
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if (ret >= 0)
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{
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emit systemImage(_grabberName, _image);
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return true;
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}
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return false;
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}
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public slots:
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///
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/// virtual method, should perform single frame grab and computes the led-colors
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///
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virtual void action() = 0;
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///
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/// Set the video mode (2D/3D)
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/// @param[in] mode The new video mode
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///
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virtual void setVideoMode(const VideoMode& videoMode);
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///
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/// Set the crop values
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/// @param cropLeft Left pixel crop
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/// @param cropRight Right pixel crop
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/// @param cropTop Top pixel crop
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/// @param cropBottom Bottom pixel crop
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///
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virtual void setCropping(unsigned cropLeft, unsigned cropRight, unsigned cropTop, unsigned cropBottom);
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///
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/// @brief Handle settings update from HyperionDaemon Settingsmanager emit
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/// @param type settingyType from enum
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/// @param config configuration object
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///
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virtual void handleSettingsUpdate(const settings::type& type, const QJsonDocument& config);
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signals:
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///
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/// @brief Emit the final processed image
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///
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void systemImage(const QString& name, const Image<ColorRgb>& image);
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private slots:
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/// @brief Handle a source request event from Hyperion.
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/// Will start and stop grabber based on active listeners count
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void handleSourceRequest(const hyperion::Components& component, const int hyperionInd, const bool listen);
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protected:
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QString _grabberName;
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/// The timer for generating events with the specified update rate
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QTimer* _timer;
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/// The calced update rate [ms]
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int _updateInterval_ms;
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/// The Logger instance
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Logger * _log;
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Grabber *_ggrabber;
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/// The image used for grabbing frames
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Image<ColorRgb> _image;
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};
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