22 init_effect_details();
29 init_effect_details();
33 void Deinterlace::init_effect_details()
41 info.
description =
"Remove interlacing from a video (i.e. even or odd horizontal lines)";
48 std::shared_ptr<openshot::Frame>
Deinterlace::GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number)
51 int original_width = frame->GetImage()->width();
52 int original_height = frame->GetImage()->height();
55 std::shared_ptr<QImage> image = frame->GetImage();
56 const unsigned char* pixels = image->bits();
59 QImage deinterlaced_image(image->width(), image->height() / 2, QImage::Format_RGBA8888_Premultiplied);
60 const unsigned char* deinterlaced_pixels = deinterlaced_image.bits();
66 for (
int row =
start; row < image->height(); row += 2) {
67 memcpy((
unsigned char*)deinterlaced_pixels, pixels + (row * image->bytesPerLine()), image->bytesPerLine());
68 deinterlaced_pixels += image->bytesPerLine();
72 image = std::make_shared<QImage>(deinterlaced_image.scaled(
73 original_width, original_height,
74 Qt::IgnoreAspectRatio, Qt::FastTransformation));
77 frame->AddImage(image);
96 root[
"isOdd"] = isOdd;
112 catch (
const std::exception& e)
115 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)");
126 if (!root[
"isOdd"].isNull())
127 isOdd = root[
"isOdd"].asBool();
135 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
136 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
138 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
139 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
140 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
true, requested_frame);
141 root[
"isOdd"] =
add_property_json(
"Is Odd Frame", isOdd,
"bool",
"", NULL, 0, 1,
true, requested_frame);
151 return root.toStyledString();
Header file for De-interlace class.
Header file for all Exception classes.
float Start() const
Get start position (in seconds) of clip (trim start of video)
float start
The position in seconds to start playing (used to trim the beginning of a clip)
float Duration() const
Get the length of this clip (in seconds)
virtual float End() const
Get end position (in seconds) of clip (trim end of video)
std::string Id() const
Get the Id of this clip object.
Json::Value add_property_choice_json(std::string name, int value, int selected_value) const
Generate JSON choice for a property (dropdown properties)
int Layer() const
Get layer of clip on timeline (lower number is covered by higher numbers)
float Position() const
Get position on timeline (in seconds)
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.
std::string Json() const override
Generate JSON string of this object.
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
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...
Deinterlace()
Default constructor, useful when using Json to load the effect properties.
void SetJson(const std::string value) override
Load JSON string into this object.
std::string PropertiesJSON(int64_t requested_frame) const override
Json::Value JsonValue() const override
Generate Json::Value for this object.
virtual Json::Value JsonValue() const
Generate Json::Value for this object.
virtual void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
EffectInfoStruct info
Information about the current effect.
Exception for invalid JSON.
This namespace is the default namespace for all code in the openshot library.
const Json::Value stringToJson(const std::string value)
bool has_video
Determines if this effect manipulates the image of a frame.
std::string parent_effect_id
Id of the parent effect (if there is one)
bool has_audio
Determines if this effect manipulates the audio of a frame.
std::string class_name
The class name of the effect.
std::string name
The name of the effect.
std::string description
The description of this effect and what it does.