31 #include "../../include/effects/Deinterlace.h" 39 init_effect_details();
46 init_effect_details();
50 void Deinterlace::init_effect_details()
58 info.
description =
"Remove interlacing from a video (i.e. even or odd horizontal lines)";
68 int original_width = frame->GetImage()->width();
69 int original_height = frame->GetImage()->height();
72 std::shared_ptr<QImage> image = frame->GetImage();
73 const unsigned char* pixels = image->bits();
76 QImage deinterlaced_image(image->width(), image->height() / 2, QImage::Format_RGBA8888);
77 const unsigned char* deinterlaced_pixels = deinterlaced_image.bits();
83 for (
int row = start; row < image->height(); row += 2) {
84 memcpy((
unsigned char*)deinterlaced_pixels, pixels + (row * image->bytesPerLine()), image->bytesPerLine());
85 deinterlaced_pixels += image->bytesPerLine();
89 image = std::shared_ptr<QImage>(
new QImage(deinterlaced_image.scaled(original_width, original_height, Qt::IgnoreAspectRatio, Qt::FastTransformation)));
92 frame->AddImage(image);
111 root[
"isOdd"] = isOdd;
127 catch (
const std::exception& e)
130 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)");
141 if (!root[
"isOdd"].isNull())
142 isOdd = root[
"isOdd"].asBool();
150 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
151 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
153 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
154 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
155 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
true, requested_frame);
156 root[
"isOdd"] =
add_property_json(
"Is Odd Frame", isOdd,
"bool",
"", NULL, 0, 1,
true, requested_frame);
163 return root.toStyledString();
std::string PropertiesJSON(int64_t requested_frame) const override
Json::Value JsonValue() const override
Generate Json::Value for this object.
std::string Id() const
Get basic properties.
float Start() const
Get start position (in seconds) of clip (trim start of video)
const Json::Value stringToJson(const std::string value)
bool has_audio
Determines if this effect manipulates the audio of a frame.
virtual void SetJsonValue(const Json::Value root)=0
Load Json::Value into this object.
Json::Value add_property_choice_json(std::string name, int value, int selected_value) const
Generate JSON choice for a property (dropdown properties)
float start
The position in seconds to start playing (used to trim the beginning of a clip)
std::string class_name
The class name of the effect.
std::string name
The name of the effect.
virtual Json::Value JsonValue() const =0
Generate Json::Value for this object.
std::string Json() const override
Get and Set JSON methods.
float Duration() const
Get the length of this clip (in seconds)
This namespace is the default namespace for all code in the openshot library.
std::string description
The description of this effect and what it does.
bool has_video
Determines if this effect manipulates the image of a frame.
Exception for invalid JSON.
Deinterlace()
Blank constructor, useful when using Json to load the effect properties.
void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
std::shared_ptr< Frame > GetFrame(std::shared_ptr< Frame > frame, int64_t frame_number)
This method is required for all derived classes of EffectBase, and returns a modified openshot::Frame...
float Position() const
Get position on timeline (in seconds)
float End() const
Get end position (in seconds) of clip (trim end of video)
void SetJson(const std::string value)
Load JSON string into this object.
Json::Value add_property_json(std::string name, float value, std::string type, std::string memo, const Keyframe *keyframe, float min_value, float max_value, bool readonly, int64_t requested_frame) const
Generate JSON for a property.
int Layer() const
Get layer of clip on timeline (lower number is covered by higher numbers)
EffectInfoStruct info
Information about the current effect.