added perspective option to corner pin

2018-11-13 02:39:15 +11:00
parent f9685d5913
commit 6495c5768d
57 changed files with 416 additions and 80 deletions
@@ -0,0 +1,293 @@
+#ifndef EFFECT_H
+#define EFFECT_H
+
+#include <QObject>
+#include <QString>
+#include <QVector>
+#include <QColor>
+#include <QOpenGLFunctions>
+#include <QOpenGLShaderProgram>
+#include <QOpenGLTexture>
+#include <QMutex>
+#include <QThread>
+class QLabel;
+class QWidget;
+class CollapsibleWidget;
+class QGridLayout;
+class QPushButton;
+
+struct Clip;
+class QXmlStreamReader;
+class QXmlStreamWriter;
+class Effect;
+class EffectRow;
+class CheckboxEx;
+class KeyframeDelete;
+
+struct EffectMeta {
+    QString name;
+    QString category;
+    QString filename;
+	int internal;
+	int type;
+};
+
+extern QVector<EffectMeta> video_effects;
+extern QVector<EffectMeta> audio_effects;
+
+double log_volume(double linear);
+void init_effects();
+Effect* create_effect(Clip* c, const EffectMeta *em);
+const EffectMeta* get_internal_meta(int internal_id);
+
+extern QMutex effects_loaded;
+
+#define EFFECT_TYPE_INVALID 0
+#define EFFECT_TYPE_VIDEO 1
+#define EFFECT_TYPE_AUDIO 2
+#define EFFECT_TYPE_EFFECT 3
+#define EFFECT_TYPE_TRANSITION 4
+
+#define EFFECT_FIELD_DOUBLE 0
+#define EFFECT_FIELD_COLOR 1
+#define EFFECT_FIELD_STRING 2
+#define EFFECT_FIELD_BOOL 3
+#define EFFECT_FIELD_COMBO 4
+#define EFFECT_FIELD_FONT 5
+
+#define EFFECT_KEYFRAME_LINEAR 0
+#define EFFECT_KEYFRAME_HOLD 1
+#define EFFECT_KEYFRAME_BEZIER 2
+
+#define EFFECT_INTERNAL_TRANSFORM 0
+#define EFFECT_INTERNAL_TEXT 1
+#define EFFECT_INTERNAL_SOLID 2
+#define EFFECT_INTERNAL_NOISE 3
+#define EFFECT_INTERNAL_VOLUME 4
+#define EFFECT_INTERNAL_PAN 5
+#define EFFECT_INTERNAL_TONE 6
+#define EFFECT_INTERNAL_SHAKE 7
+#define EFFECT_INTERNAL_CROSSDISSOLVE 8
+#define EFFECT_INTERNAL_LINEARFADE 9
+#define EFFECT_INTERNAL_EXPONENTIALFADE	10
+#define EFFECT_INTERNAL_LOGARITHMICFADE 11
+#define EFFECT_INTERNAL_CORNERPIN 12
+#define EFFECT_INTERNAL_COUNT 13
+
+#define KEYFRAME_TYPE_LINEAR 0
+#define KEYFRAME_TYPE_SMOOTH 1
+#define KEYFRAME_TYPE_BEZIER 2
+
+#define TRAN_TYPE_OPEN 1
+#define TRAN_TYPE_CLOSE 2
+#define TRAN_TYPE_OPENWLINK 3
+#define TRAN_TYPE_CLOSEWLINK 4
+
+struct GLTextureCoords {
+    int grid_size;
+
+	int vertexTopLeftX;
+	int vertexTopLeftY;
+	int vertexTopRightX;
+	int vertexTopRightY;
+	int vertexBottomLeftX;
+	int vertexBottomLeftY;
+	int vertexBottomRightX;
+	int vertexBottomRightY;
+
+	double textureTopLeftX;
+	double textureTopLeftY;
+	double textureTopRightX;
+	double textureTopRightY;
+	double textureBottomRightX;
+	double textureBottomRightY;
+	double textureBottomLeftX;
+	double textureBottomLeftY;
+};
+
+qint16 mix_audio_sample(qint16 a, qint16 b);
+
+class EffectField : public QObject {
+	Q_OBJECT
+public:
+    EffectField(EffectRow* parent, int t);
+    EffectRow* parent_row;
+	int type;
+	QString id;
+
+	QVariant get_previous_data();
+    QVariant get_current_data();
+	double frameToTimecode(long frame);
+	long timecodeToFrame(double timecode);
+	void set_current_data(const QVariant&);
+	void get_keyframe_data(double timecode, int& before, int& after, double& d);
+	QVariant validate_keyframe_data(double timecode, bool async = false);
+
+	double get_double_value(double timecode, bool async = false);
+	void set_double_value(double v);
+	void set_double_default_value(double v);
+	void set_double_minimum_value(double v);
+	void set_double_maximum_value(double v);
+
+	const QString get_string_value(double timecode, bool async = false);
+	void set_string_value(const QString &s);
+
+	void add_combo_item(const QString& name, const QVariant &data);
+	int get_combo_index(double timecode, bool async = false);
+	const QVariant get_combo_data(double timecode);
+	const QString get_combo_string(double timecode);
+	void set_combo_index(int index);
+	void set_combo_string(const QString& s);
+
+	bool get_bool_value(double timecode, bool async = false);
+	void set_bool_value(bool b);
+
+	const QString get_font_name(double timecode, bool async = false);
+	void set_font_name(const QString& s);
+
+	QColor get_color_value(double timecode, bool async = false);
+	void set_color_value(QColor color);
+
+	QWidget* get_ui_element();
+	void set_enabled(bool e);
+    QVector<QVariant> keyframe_data;
+	QWidget* ui_element;
+private:
+	bool hasKeyframes();
+private slots:
+    void uiElementChange();
+signals:
+	void changed();
+	void toggled(bool);
+};
+
+class EffectRow : public QObject {
+    Q_OBJECT
+public:
+	EffectRow(Effect* parent, QGridLayout* uilayout, const QString& n, int row);
+	~EffectRow();
+	EffectField* add_field(int type, int colspan = 1);
+	EffectField* field(int i);
+    int fieldCount();
+	void set_keyframe_now(bool undoable);
+	void delete_keyframe(KeyframeDelete *kd, int index);
+	void delete_keyframe_at_time(KeyframeDelete* kd, long time);
+	QLabel* label;
+	Effect* parent_effect;
+
+	bool isKeyframing();
+	void setKeyframing(bool);
+
+    QVector<long> keyframe_times;
+    QVector<int> keyframe_types;
+private slots:
+	void set_keyframe_enabled(bool);
+	void keyframe_ui_enabled(bool);
+	void goto_previous_key();
+	void toggle_key();
+	void goto_next_key();
+private:
+	bool keyframing;
+	QGridLayout* ui;
+	QString name;
+	int ui_row;
+	QVector<EffectField*> fields;
+
+    QPushButton* keyframe_enable;
+	QPushButton* left_key_nav;
+	QPushButton* key_addremove;
+	QPushButton* right_key_nav;
+
+	bool just_made_unsafe_keyframe;
+};
+
+class Effect : public QObject {
+	Q_OBJECT
+public:
+	Effect(Clip* c, const EffectMeta* em);
+	~Effect();
+    Clip* parent_clip;
+	const EffectMeta* meta;
+    int id;
+	QString name;
+	CollapsibleWidget* container;
+
+	long length; // only used for transitions
+	Effect* tlink;
+
+	EffectRow* add_row(const QString &name);
+	EffectRow* row(int i);
+	int row_count();
+
+    bool is_enabled();
+	void set_enabled(bool b);
+
+	virtual void refresh();
+
+	Effect* copy(Clip* c);
+	void copy_field_keyframes(Effect *e);
+
+	void load(QXmlStreamReader& stream);
+    void save(QXmlStreamWriter& stream);
+
+	// glsl handling
+	void open();
+	void close();
+	virtual void startEffect();
+	virtual void endEffect();
+
+	bool enable_shader;
+	bool enable_coords;
+	bool enable_superimpose;
+
+	int getIterations();
+	void setIterations(int i);
+
+	const char* ffmpeg_filter;
+
+	virtual void process_shader(double timecode, GLTextureCoords&);
+	virtual void process_coords(double timecode, GLTextureCoords& coords);
+	virtual GLuint process_superimpose(double timecode);
+	virtual void process_audio(double timecode_start, double timecode_end, quint8* samples, int nb_bytes, int channel_count);
+public slots:
+	void field_changed();
+private slots:
+	void show_context_menu(const QPoint&);
+	void delete_self();
+	void move_up();
+	void move_down();
+protected:
+	// glsl effect
+	QOpenGLShaderProgram* glslProgram;
+	QString vertPath;
+	QString fragPath;
+
+	// superimpose effect
+	QImage img;
+	QOpenGLTexture* texture;
+private:
+	// superimpose effect
+	QString script;
+
+	bool isOpen;
+	QVector<EffectRow*> rows;
+	QGridLayout* ui_layout;
+    QWidget* ui;
+	bool bound;
+
+	// superimpose functions
+	virtual void redraw(double timecode);
+	bool valueHasChanged(double timecode);
+	QVector<QVariant> cachedValues;
+	void delete_texture();
+	int get_index_in_clip();
+};
+
+class EffectInit : public QThread {
+public:
+	EffectInit();
+protected:
+	void run();
+};
+
+#endif // EFFECT_H