added cool wave effect

effects/effect.cpp

@@ -32,6 +32,7 @@
 #include "effects/audio/volumeeffect.h"
 #include "effects/audio/audionoiseeffect.h"
 #include "effects/audio/toneeffect.h"
+#include "effects/video/waveeffect.h"
 
 #include <QCheckBox>
 #include <QGridLayout>
@@ -57,6 +58,7 @@ void init_effects() {
 	video_effect_names[VIDEO_CROP_EFFECT] = "Crop";
 	video_effect_names[VIDEO_FLIP_EFFECT] = "Flip";
     video_effect_names[VIDEO_BOXBLUR_EFFECT] = "Box Blur";
+	video_effect_names[VIDEO_WAVE_EFFECT] = "Wave";
 
 	audio_effect_names[AUDIO_VOLUME_EFFECT] = "Volume";
 	audio_effect_names[AUDIO_PAN_EFFECT] = "Pan";
@@ -77,6 +79,7 @@ Effect* create_effect(int effect_id, Clip* c) {
 		case VIDEO_CROP_EFFECT: return new CropEffect(c);
 		case VIDEO_FLIP_EFFECT: return new FlipEffect(c);
         case VIDEO_BOXBLUR_EFFECT: return new BoxBlurEffect(c);
+		case VIDEO_WAVE_EFFECT: return new WaveEffect(c);
 		}
 	} else {
 		switch (effect_id) {

effects/effect.h

@@ -33,6 +33,7 @@ enum VideoEffects {
 	VIDEO_CROP_EFFECT,
 	VIDEO_FLIP_EFFECT,
     VIDEO_BOXBLUR_EFFECT,
+	VIDEO_WAVE_EFFECT,
 	VIDEO_EFFECT_COUNT
 };
 

effects/video/glsl/shaders.qrc

@@ -6,5 +6,6 @@
         <file>chromakeyeffect.frag</file>
         <file>solideffect.frag</file>
         <file>boxblureffect.frag</file>
+        <file>waveeffect.frag</file>
     </qresource>
 </RCC>

effects/video/glsl/waveeffect.frag

@@ -0,0 +1,27 @@
+#version 110
+
+// uniform float evolution;
+uniform float frequency;
+uniform float intensity;
+uniform float evolution;
+
+uniform mediump float amount_val;
+uniform sampler2D myTexture;
+varying vec2 vTexCoord;
+
+void main(void) {
+	float offset = sin((vTexCoord.x+evolution)*frequency)*intensity;
+
+	float y = vTexCoord.y-offset;
+	if (y < 0.0 || y > 1.0) {
+		gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
+	} else {
+		vec4 textureColor = texture2D(myTexture, vec2(vTexCoord.x, y));
+		gl_FragColor = vec4(
+			textureColor.r,
+			textureColor.g,
+			textureColor.b,
+			textureColor.a
+		);
+	}	
+}

effects/video/waveeffect.cpp

@@ -0,0 +1,28 @@
+#include "waveeffect.h"
+
+WaveEffect::WaveEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_WAVE_EFFECT) {
+	enable_shader = true;
+
+	frequency_val = add_row("Frequency:")->add_field(EFFECT_FIELD_DOUBLE);
+	frequency_val->set_double_minimum_value(0);
+	frequency_val->set_double_default_value(10);
+
+	intensity_val = add_row("Intensity:")->add_field(EFFECT_FIELD_DOUBLE);
+	intensity_val->set_double_default_value(10);
+
+	evolution_val = add_row("Evolution:")->add_field(EFFECT_FIELD_DOUBLE);
+	evolution_val->set_double_default_value(0);
+
+	connect(frequency_val, SIGNAL(changed()), this, SLOT(field_changed()));
+	connect(intensity_val, SIGNAL(changed()), this, SLOT(field_changed()));
+	connect(evolution_val, SIGNAL(changed()), this, SLOT(field_changed()));
+
+	vertPath = ":/shaders/common.vert";
+	fragPath = ":/shaders/waveeffect.frag";
+}
+
+void WaveEffect::process_shader(double timecode) {
+	glslProgram->setUniformValue("frequency", (GLfloat) (frequency_val->get_double_value(timecode)));
+	glslProgram->setUniformValue("intensity", (GLfloat) (intensity_val->get_double_value(timecode)*0.01));
+	glslProgram->setUniformValue("evolution", (GLfloat) (evolution_val->get_double_value(timecode)*0.01));
+}

effects/video/waveeffect.h

@@ -0,0 +1,17 @@
+#ifndef WAVEEFFECT_H
+#define WAVEEFFECT_H
+
+#include "../effect.h"
+
+class WaveEffect : public Effect {
+	Q_OBJECT
+public:
+	WaveEffect(Clip* c);
+	void process_shader(double timecode);
+private:
+	EffectField* frequency_val;
+	EffectField* intensity_val;
+	EffectField* evolution_val;
+};
+
+#endif // WAVEEFFECT_H

olive.pro

@@ -82,7 +82,8 @@ SOURCES += \
     effects/audio/toneeffect.cpp \
     project/marker.cpp \
     dialogs/speeddialog.cpp \
-    dialogs/mediapropertiesdialog.cpp
+    dialogs/mediapropertiesdialog.cpp \
+    effects/video/waveeffect.cpp
 
 HEADERS += \
         mainwindow.h \
@@ -143,7 +144,8 @@ HEADERS += \
     project/selection.h \
     dialogs/speeddialog.h \
     dialogs/speeddialog.h \
-    dialogs/mediapropertiesdialog.h
+    dialogs/mediapropertiesdialog.h \
+    effects/video/waveeffect.h
 
 FORMS += \
         mainwindow.ui \