40 init_effect_details();
47 init_effect_details();
51 void Deinterlace::init_effect_details()
59 info.
description =
"Remove interlacing from a video (i.e. even or odd horizontal lines)";
66 std::shared_ptr<openshot::Frame>
Deinterlace::GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number)
69 int original_width = frame->GetImage()->width();
70 int original_height = frame->GetImage()->height();
73 std::shared_ptr<QImage> image = frame->GetImage();
74 const unsigned char* pixels = image->bits();
77 QImage deinterlaced_image(image->width(), image->height() / 2, QImage::Format_RGBA8888_Premultiplied);
78 const unsigned char* deinterlaced_pixels = deinterlaced_image.bits();
84 for (
int row = start; row < image->height(); row += 2) {
85 memcpy((
unsigned char*)deinterlaced_pixels, pixels + (row * image->bytesPerLine()), image->bytesPerLine());
86 deinterlaced_pixels += image->bytesPerLine();
90 image = std::make_shared<QImage>(deinterlaced_image.scaled(
91 original_width, original_height,
92 Qt::IgnoreAspectRatio, Qt::FastTransformation));
95 frame->AddImage(image);
114 root[
"isOdd"] = isOdd;
130 catch (
const std::exception& e)
133 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)");
144 if (!root[
"isOdd"].isNull())
145 isOdd = root[
"isOdd"].asBool();
153 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
154 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
156 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
157 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
158 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
true, requested_frame);
159 root[
"isOdd"] =
add_property_json(
"Is Odd Frame", isOdd,
"bool",
"", NULL, 0, 1,
true, requested_frame);
169 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 the Id of this clip object.
float Start() const
Get start position (in seconds) of clip (trim start of video)
std::shared_ptr< openshot::Frame > GetFrame(int64_t frame_number) override
This method is required for all derived classes of ClipBase, and returns a new openshot::Frame object...
virtual void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
const Json::Value stringToJson(const std::string value)
virtual Json::Value JsonValue() const
Generate Json::Value for this object.
void SetJson(const std::string value) override
Load JSON string into this object.
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
bool has_audio
Determines if this effect manipulates the audio of a frame.
Header file for all Exception classes.
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.
std::string Json() const override
Generate JSON string of this object.
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()
Default constructor, useful when using Json to load the effect properties.
std::string parent_effect_id
Id of the parent effect (if there is one)
float Position() const
Get position on timeline (in seconds)
float End() const
Get end position (in seconds) of clip (trim end of video)
Header file for De-interlace class.
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.