Separate OpenCV dependency into its own lib

This should avoid issues of the whole plugin not loading if OpenCV is
not available.
This approach should also work for possible future external
dependencies.

src/headers/advanced-scene-switcher.hpp

@@ -1,6 +1,8 @@
 #pragma once
 #ifdef BUILD_OUT_OF_TREE
 #include "../../forms/ui_advanced-scene-switcher.h"
+#elif defined ADVSS_MODULE
+#include "../../../ui_advanced-scene-switcher.h"
 #else
 #include "ui_advanced-scene-switcher.h"
 #endif
@@ -297,3 +299,4 @@ void AskForBackup(obs_data_t *obj);
  ******************************************************************************/
 struct SwitcherData;
 extern SwitcherData *switcher;
+SwitcherData *GetSwitcher();

src/headers/macro-condition-video.hpp

@@ -1,183 +0,0 @@
-#pragma once
-#include "macro.hpp"
-#include "screenshot-helper.hpp"
-#include "file-selection.hpp"
-
-#include <QWidget>
-#include <QComboBox>
-#include <QCheckBox>
-#include <QHBoxLayout>
-#include <chrono>
-#undef NO // MacOS macro that can conflict with OpenCV
-#include <opencv2/opencv.hpp>
-
-enum class VideoCondition {
-	MATCH,
-	DIFFER,
-	HAS_NOT_CHANGED,
-	HAS_CHANGED,
-	NO_IMAGE,
-	PATTERN,
-	OBJECT,
-};
-
-struct PatternMatchData {
-	cv::Mat4b rgbaPattern;
-	cv::Mat3b rgbPattern;
-	cv::Mat1b mask;
-};
-
-constexpr int minMinNeighbors = 3;
-constexpr int maxMinNeighbors = 6;
-
-class MacroConditionVideo : public MacroCondition {
-public:
-	bool CheckCondition();
-	bool Save(obs_data_t *obj);
-	bool Load(obs_data_t *obj);
-	std::string GetShortDesc();
-	std::string GetId() { return id; };
-	QImage GetMatchImage() { return _matchImage; };
-	static std::shared_ptr<MacroCondition> Create()
-	{
-		return std::make_shared<MacroConditionVideo>();
-	}
-	void GetScreenshot();
-	bool LoadImageFromFile();
-	bool LoadModelData(std::string &path);
-	std::string GetModelDataPath() { return _modelDataPath; }
-	void ResetLastMatch() { _lastMatchResult = false; }
-
-	OBSWeakSource _videoSource;
-	VideoCondition _condition = VideoCondition::MATCH;
-	std::string _file = obs_module_text("AdvSceneSwitcher.enterPath");
-	bool _useAlphaAsMask = false;
-	bool _usePatternForChangedCheck = false;
-	PatternMatchData _patternData;
-	double _patternThreshold = 0.8;
-	cv::CascadeClassifier _objectCascade;
-	double _scaleFactor = 1.1;
-	int _minNeighbors = minMinNeighbors;
-	int _minSizeX = 0;
-	int _minSizeY = 0;
-	int _maxSizeX = 0;
-	int _maxSizeY = 0;
-
-	bool _throttleEnabled = false;
-	int _throttleCount = 3;
-
-private:
-	bool OutputChanged();
-	bool ScreenshotContainsPattern();
-	bool ScreenshotContainsObject();
-	bool Compare();
-	bool CheckShouldBeSkipped();
-
-	std::unique_ptr<AdvSSScreenshotObj> _screenshotData = nullptr;
-	QImage _matchImage;
-	std::string _modelDataPath =
-		obs_get_module_data_path(obs_current_module()) +
-		std::string(
-			"/res/cascadeClassifiers/haarcascade_frontalface_alt.xml");
-	bool _lastMatchResult = false;
-	int _runCount = 0;
-
-	static bool _registered;
-	static const std::string id;
-};
-
-class ThresholdSlider : public QWidget {
-	Q_OBJECT
-
-public:
-	ThresholdSlider(double min = 0., double max = 1.,
-			const QString &label = "threshold",
-			const QString &description = "", QWidget *parent = 0);
-	void SetDoubleValue(double);
-public slots:
-	void NotifyValueChanged(int value);
-signals:
-	void DoubleValueChanged(double value);
-
-private:
-	void SetDoubleValueText(double);
-	QLabel *_value;
-	QSlider *_slider;
-	double _scale = 100.0;
-	int _precision = 2;
-};
-
-class MacroConditionVideoEdit : public QWidget {
-	Q_OBJECT
-
-public:
-	MacroConditionVideoEdit(
-		QWidget *parent,
-		std::shared_ptr<MacroConditionVideo> cond = nullptr);
-	void UpdateEntryData();
-	static QWidget *Create(QWidget *parent,
-			       std::shared_ptr<MacroCondition> cond)
-	{
-		return new MacroConditionVideoEdit(
-			parent,
-			std::dynamic_pointer_cast<MacroConditionVideo>(cond));
-	}
-
-	void UpdatePreviewTooltip();
-
-private slots:
-	void SourceChanged(const QString &text);
-	void ConditionChanged(int cond);
-	void ImagePathChanged(const QString &text);
-	void ImageBrowseButtonClicked();
-	void UsePatternForChangedCheckChanged(int value);
-	void PatternThresholdChanged(double);
-	void UseAlphaAsMaskChanged(int value);
-
-	void ModelPathChanged(const QString &text);
-	void ObjectScaleThresholdChanged(double);
-	void MinNeighborsChanged(int value);
-	void MinSizeXChanged(int value);
-	void MinSizeYChanged(int value);
-	void MaxSizeXChanged(int value);
-	void MaxSizeYChanged(int value);
-
-	void ThrottleEnableChanged(int value);
-	void ThrottleCountChanged(int value);
-	void ShowMatchClicked();
-signals:
-	void HeaderInfoChanged(const QString &);
-
-protected:
-	QComboBox *_videoSelection;
-	QComboBox *_condition;
-
-	QCheckBox *_usePatternForChangedCheck;
-	FileSelection *_imagePath;
-	ThresholdSlider *_patternThreshold;
-	QCheckBox *_useAlphaAsMask;
-
-	FileSelection *_modelDataPath;
-	QHBoxLayout *_modelPathLayout;
-	ThresholdSlider *_objectScaleThreshold;
-	QHBoxLayout *_neighborsControlLayout;
-	QSpinBox *_minNeighbors;
-	QLabel *_minNeighborsDescription;
-	QHBoxLayout *_minSizeControlLayout;
-	QSpinBox *_minSizeX;
-	QSpinBox *_minSizeY;
-	QHBoxLayout *_maxSizeControlLayout;
-	QSpinBox *_maxSizeX;
-	QSpinBox *_maxSizeY;
-
-	QHBoxLayout *_throttleControlLayout;
-	QCheckBox *_throttleEnable;
-	QSpinBox *_throttleCount;
-	QPushButton *_showMatch;
-
-	std::shared_ptr<MacroConditionVideo> _entryData;
-
-private:
-	void SetWidgetVisibility();
-	bool _loading = true;
-};