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* Add Xcb grabber * update compile instruction Signed-off-by: Paulchen Panther <Paulchen-Panter@protonmail.com> * Fix problem on resolution change + Make XCB default if X11 is not avaialable * Fix decimation problem Co-authored-by: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com> Co-authored-by: Paulchen Panther <Paulchen-Panter@protonmail.com>
181 lines
4.5 KiB
C++
181 lines
4.5 KiB
C++
#pragma once
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#include <QObject>
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#include <cstdint>
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#include <utils/ColorRgb.h>
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#include <utils/Image.h>
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#include <utils/VideoMode.h>
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#include <grabber/VideoStandard.h>
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#include <utils/ImageResampler.h>
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#include <utils/Logger.h>
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#include <utils/Components.h>
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#include <QMultiMap>
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///
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/// @brief The Grabber class is responsible to apply image resizes (with or without ImageResampler)
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/// Overwrite the videoMode with setVideoMode()
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/// Overwrite setCropping()
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class Grabber : public QObject
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{
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Q_OBJECT
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public:
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Grabber(QString grabberName = "", int width=0, int height=0, int cropLeft=0, int cropRight=0, int cropTop=0, int cropBottom=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(VideoMode mode);
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///
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/// @brief Apply new crop values, on errors reject the values
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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 Apply new video input (used from v4l)
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/// @param input device input
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///
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virtual bool setInput(int input);
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///
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/// @brief Apply new width/height values, on errors (collide with cropping) reject the values
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/// @return True on success else false
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///
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virtual bool setWidthHeight(int width, int height);
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///
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/// @brief Apply new framerate (used from v4l)
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/// @param fps framesPerSecond
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///
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virtual bool setFramerate(int fps);
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///
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/// @brief Apply new pixelDecimation (used from x11, xcb and qt)
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///
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virtual void setPixelDecimation(int pixelDecimation) {}
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///
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/// @brief Apply new signalThreshold (used from v4l)
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///
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virtual void setSignalThreshold(
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double redSignalThreshold,
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double greenSignalThreshold,
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double blueSignalThreshold,
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int noSignalCounterThreshold = 50) {}
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///
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/// @brief Apply new SignalDetectionOffset (used from v4l)
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///
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virtual void setSignalDetectionOffset(
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double verticalMin,
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double horizontalMin,
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double verticalMax,
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double horizontalMax) {}
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///
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/// @brief Apply SignalDetectionEnable (used from v4l)
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///
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virtual void setSignalDetectionEnable(bool enable) {}
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///
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/// @brief Apply CecDetectionEnable (used from v4l)
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///
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virtual void setCecDetectionEnable(bool enable) {}
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///
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/// @brief Apply device and videoStanded (used from v4l)
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///
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virtual void setDeviceVideoStandard(QString device, VideoStandard videoStandard) {}
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///
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/// @brief Apply display index (used from qt)
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///
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virtual void setDisplayIndex(int index) {}
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///
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/// @brief Apply path for device (used from framebuffer)
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///
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virtual void setDevicePath(const QString& path) {}
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///
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/// @brief get current resulting height of image (after crop)
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///
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virtual int getImageWidth() { return _width; }
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///
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/// @brief get current resulting width of image (after crop)
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///
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virtual int getImageHeight() { return _height; }
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///
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/// @brief Prevent the real capture implementation from capturing if disabled
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///
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void setEnabled(bool enable);
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///
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/// @brief Get a list of all available V4L devices
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/// @return List of all available V4L devices on success else empty List
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///
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virtual QStringList getV4L2devices() { return QStringList(); }
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///
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/// @brief Get the V4L device name
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/// @param devicePath The device path
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/// @return The name of the V4L device on success else empty String
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///
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virtual QString getV4L2deviceName(QString devicePath) { return QString(); }
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///
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/// @brief Get a name/index pair of supported device inputs
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/// @param devicePath The device path
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/// @return multi pair of name/index on success else empty pair
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///
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virtual QMultiMap<QString, int> getV4L2deviceInputs(QString devicePath) { return QMultiMap<QString, int>(); }
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///
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/// @brief Get a list of supported device resolutions
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/// @param devicePath The device path
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/// @return List of resolutions on success else empty List
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///
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virtual QStringList getResolutions(QString devicePath) { return QStringList(); }
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///
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/// @brief Get a list of supported device framerates
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/// @param devicePath The device path
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/// @return List of framerates on success else empty List
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///
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virtual QStringList getFramerates(QString devicePath) { return QStringList(); }
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protected:
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ImageResampler _imageResampler;
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bool _useImageResampler;
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/// the selected VideoMode
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VideoMode _videoMode;
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/// With of the captured snapshot [pixels]
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int _width;
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/// Height of the captured snapshot [pixels]
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int _height;
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/// frame per second
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int _fps;
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/// device input
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int _input;
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/// number of pixels to crop after capturing
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int _cropLeft, _cropRight, _cropTop, _cropBottom;
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bool _enabled;
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/// logger instance
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Logger * _log;
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};
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