First commit of brand new rewrite
This commit is contained in:
itsmattkc
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#include "effects/effects.h"
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#include <QVector>
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QVector<QString> video_effect_names;
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QVector<QString> audio_effect_names;
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void init_effects() {
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video_effect_names.resize(VIDEO_EFFECT_COUNT);
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audio_effect_names.resize(AUDIO_EFFECT_COUNT);
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video_effect_names[VIDEO_TRANSFORM_EFFECT] = "Transform";
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audio_effect_names[AUDIO_VOLUME_EFFECT] = "Volume";
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audio_effect_names[AUDIO_PAN_EFFECT] = "Pan";
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}
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#ifndef EFFECTS_H
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#define EFFECTS_H
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#include "project/effect.h"
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class QSpinBox;
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class QCheckBox;
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enum VideoEffects {
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VIDEO_TRANSFORM_EFFECT,
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VIDEO_EFFECT_COUNT
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};
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enum AudioEffects {
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AUDIO_VOLUME_EFFECT,
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AUDIO_PAN_EFFECT,
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AUDIO_EFFECT_COUNT
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};
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extern QVector<QString> video_effect_names;
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extern QVector<QString> audio_effect_names;
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void init_effects();
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// video effects
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class TransformEffect : public Effect {
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Q_OBJECT
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public:
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TransformEffect(Clip* c);
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void process_gl(int* anchor_x, int* anchor_y);
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private:
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QSpinBox* position_x;
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QSpinBox* position_y;
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QSpinBox* scale_x;
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QSpinBox* scale_y;
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QCheckBox* uniform_scale_box;
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QSpinBox* rotation;
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QSpinBox* anchor_x_box;
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QSpinBox* anchor_y_box;
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QSpinBox* opacity;
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public slots:
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void toggle_uniform_scale(bool enabled);
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};
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// audio effects
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class VolumeEffect : public Effect {
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public:
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VolumeEffect(Clip* c);
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void process_audio(uint8_t* samples, int nb_bytes);
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private:
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QSpinBox* volume_val;
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};
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class PanEffect : public Effect {
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public:
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PanEffect(Clip* c);
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void process_audio(uint8_t* samples, int nb_bytes);
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private:
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QSpinBox* pan_val;
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};
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#endif // EFFECTS_H
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@@ -0,0 +1,50 @@
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#include "effects/effects.h"
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#include <QGridLayout>
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#include <QSpinBox>
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#include <QLabel>
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#include "ui/collapsiblewidget.h"
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PanEffect::PanEffect(Clip* c) : Effect(c) {
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container = new CollapsibleWidget();
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container->setText(audio_effect_names[AUDIO_PAN_EFFECT]);
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ui = new QWidget();
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QGridLayout* ui_layout = new QGridLayout();
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ui_layout->addWidget(new QLabel("Pan:"), 0, 0);
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pan_val = new QSpinBox();
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pan_val->setMinimum(-100);
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pan_val->setMaximum(100);
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ui_layout->addWidget(pan_val, 0, 1);
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ui->setLayout(ui_layout);
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container->setContents(ui);
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// set defaults
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pan_val->setValue(0);
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}
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void PanEffect::process_audio(uint8_t *samples, int nb_bytes) {
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for (int i=0;i<nb_bytes;i+=4) {
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int16_t left_sample = (int16_t) ((samples[i+1] << 8) | samples[i]);
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int16_t right_sample = (int16_t) ((samples[i+3] << 8) | samples[i+2]);
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float val = pan_val->value()*0.01;
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if (val < 0) {
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// affect right channel
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right_sample *= (1-abs(val));
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} else {
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// affect left channel
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left_sample *= (1-val);
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}
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samples[i+3] = (uint8_t) (right_sample >> 8);
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samples[i+2] = (uint8_t) right_sample;
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samples[i+1] = (uint8_t) (left_sample >> 8);
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samples[i] = (uint8_t) left_sample;
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}
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}
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@@ -0,0 +1,119 @@
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#include "effects/effects.h"
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#include <QDebug>
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#include <QWidget>
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#include <QLabel>
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#include <QGridLayout>
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#include <QSpinBox>
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#include <QCheckBox>
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#include <QOpenGLFunctions>
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#include "ui/collapsiblewidget.h"
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#include "project/clip.h"
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#include "project/sequence.h"
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#include "io/media.h"
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TransformEffect::TransformEffect(Clip* c) : Effect(c) {
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container = new CollapsibleWidget();
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container->setText(video_effect_names[VIDEO_TRANSFORM_EFFECT]);
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ui = new QWidget();
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QGridLayout* ui_layout = new QGridLayout();
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ui_layout->addWidget(new QLabel("Position:"), 0, 0);
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position_x = new QSpinBox();
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position_x->setMinimum(-QWIDGETSIZE_MAX);
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position_x->setMaximum(QWIDGETSIZE_MAX);
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ui_layout->addWidget(position_x, 0, 1);
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position_y = new QSpinBox();
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position_y->setMinimum(-QWIDGETSIZE_MAX);
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position_y->setMaximum(QWIDGETSIZE_MAX);
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ui_layout->addWidget(position_y, 0, 2);
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ui_layout->addWidget(new QLabel("Scale:"), 1, 0);
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scale_x = new QSpinBox();
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scale_x->setMinimum(0);
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scale_x->setMaximum(1200);
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ui_layout->addWidget(scale_x, 1, 1);
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scale_y = new QSpinBox();
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scale_y->setMinimum(0);
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scale_y->setMaximum(1200);
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ui_layout->addWidget(scale_y, 1, 2);
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uniform_scale_box = new QCheckBox();
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uniform_scale_box->setText("Uniform Scale");
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ui_layout->addWidget(uniform_scale_box, 2, 1);
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ui_layout->addWidget(new QLabel("Rotation:"), 3, 0);
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rotation = new QSpinBox();
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rotation->setMinimum(-QWIDGETSIZE_MAX);
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rotation->setMaximum(QWIDGETSIZE_MAX);
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ui_layout->addWidget(rotation, 3, 1);
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ui_layout->addWidget(new QLabel("Anchor Point:"), 4, 0);
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anchor_x_box = new QSpinBox();
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anchor_x_box->setMinimum(-QWIDGETSIZE_MAX);
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anchor_x_box->setMaximum(QWIDGETSIZE_MAX);
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ui_layout->addWidget(anchor_x_box, 4, 1);
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anchor_y_box = new QSpinBox();
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anchor_y_box->setMinimum(-QWIDGETSIZE_MAX);
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anchor_y_box->setMaximum(QWIDGETSIZE_MAX);
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ui_layout->addWidget(anchor_y_box, 4, 2);
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ui_layout->addWidget(new QLabel("Opacity:"), 5, 0);
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opacity = new QSpinBox();
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opacity->setMinimum(0);
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opacity->setMaximum(100);
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ui_layout->addWidget(opacity, 5, 1);
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ui->setLayout(ui_layout);
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container->setContents(ui);
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// set defaults
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position_x->setValue(c->sequence->width/2);
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position_y->setValue(c->sequence->height/2);
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scale_x->setValue(100);
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scale_y->setValue(100);
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scale_y->setEnabled(false);
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uniform_scale_box->setChecked(true);
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anchor_x_box->setValue(c->media_stream->video_width/2);
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anchor_y_box->setValue(c->media_stream->video_height/2);
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opacity->setValue(100);
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connect(position_x, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(position_y, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(rotation, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(scale_x, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(scale_y, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(anchor_x_box, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(anchor_y_box, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(opacity, SIGNAL(valueChanged(int)), this, SLOT(field_changed()));
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connect(uniform_scale_box, SIGNAL(toggled(bool)), this, SLOT(toggle_uniform_scale(bool)));
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connect(uniform_scale_box, SIGNAL(toggled(bool)), this, SLOT(field_changed()));
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}
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void TransformEffect::toggle_uniform_scale(bool enabled) {
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scale_y->setEnabled(!enabled);
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}
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void TransformEffect::process_gl(int* anchor_x, int* anchor_y) {
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// position
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glTranslatef(position_x->value()-(parent_clip->sequence->width/2), position_y->value()-(parent_clip->sequence->height/2), 0);
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// anchor point
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*anchor_x += anchor_x_box->value();
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*anchor_y += anchor_y_box->value();
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// rotation
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glRotatef(rotation->value(), 0, 0, 1);
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// scale
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float sx = scale_x->value()*0.01;
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float sy = (uniform_scale_box->isChecked()) ? sx : scale_y->value()*0.01;
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glScalef(sx, sy, 1);
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// opacity
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glColor4f(1.0, 1.0, 1.0, opacity->value()*0.01);
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}
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@@ -0,0 +1,38 @@
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#include "effects/effects.h"
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#include <QGridLayout>
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#include <QSpinBox>
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#include <QLabel>
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#include "ui/collapsiblewidget.h"
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VolumeEffect::VolumeEffect(Clip* c) : Effect(c) {
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container = new CollapsibleWidget();
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container->setText(audio_effect_names[AUDIO_VOLUME_EFFECT]);
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ui = new QWidget();
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QGridLayout* ui_layout = new QGridLayout();
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ui_layout->addWidget(new QLabel("Volume:"), 0, 0);
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volume_val = new QSpinBox();
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volume_val->setMinimum(0);
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volume_val->setMaximum(100);
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ui_layout->addWidget(volume_val, 0, 1);
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ui->setLayout(ui_layout);
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container->setContents(ui);
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// set defaults
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volume_val->setValue(100);
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}
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void VolumeEffect::process_audio(uint8_t *samples, int nb_bytes) {
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for (int i=0;i<nb_bytes;i+=2) {
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int16_t full_sample = (int16_t) ((samples[i+1] << 8) | samples[i]);
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full_sample *= volume_val->value()*0.01;
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samples[i+1] = (uint8_t) (full_sample >> 8);
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samples[i] = (uint8_t) full_sample;
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}
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}
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