Class: OpenCV::Cv::VideoWriter

Inherits:
Object
  • Object
show all
Extended by:
FFI::DataConverter
Defined in:
lib/ropencv/ropencv_types.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.video_writer ⇒ Object .video_writer(filename, fourcc, fps, frame_size, is_color = true) ⇒ Object

Overloads:

  • .video_writer(filename, fourcc, fps, frame_size, is_color = true) ⇒ Object

    Parameters:

    • filename (Cv::String)
    • fourcc (Fixnum)
    • fps (Double)
    • frame_size (Cv::Size)
    • is_color (Bool) (defaults to: true)

Raises:

  • (ArgumentError) 


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# File 'lib/ropencv/ropencv_types.rb', line 29869

def self.new(*args)
    if args.first.is_a?(FFI::Pointer) || args.first.is_a?(VideoWriterStruct)
        raise ArgumentError, "too many arguments for creating #{self.name} from Pointer" unless args.size == 1
        return super(args.first)
    end
    # overloaded method wrapper for cv::VideoWriter::VideoWriter()
    @@cv_video_writer_video_writer_defaults0 ||= []
    if(args.size >= 0 && args.size <= 0)
        targs = args.clone
        targs.size.upto(-1) do |i|
            targs[i] = @@cv_video_writer_video_writer_defaults0[i]
        end
        begin
                return Rbind::cv_video_writer_video_writer(*targs)
        rescue TypeError => e
            @error = e
        end
    end

    # overloaded method wrapper for cv::VideoWriter::VideoWriter(const cv::String filename, int fourcc, double fps, const cv::Size frameSize, bool isColor = true)
    @@cv_video_writer_video_writer2_defaults1 ||= [nil, nil, nil, nil, true]
    if(args.size >= 4 && args.size <= 5)
        targs = args.clone
        targs.size.upto(4) do |i|
            targs[i] = @@cv_video_writer_video_writer2_defaults1[i]
        end
        begin
                return Rbind::cv_video_writer_video_writer2(*targs)
        rescue TypeError => e
            @error = e
        end
    end

    raise ArgumentError, "no constructor for #{self}(#{args.inspect})"
end

.null ⇒ Object

returns a null pointer to the object



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# File 'lib/ropencv/ropencv_types.rb', line 29857

def self.null
    new(VideoWriterStruct.new)
end

Instance Method Details

#is_opened ⇒ Bool Also known as: isOpened

Note:

method wrapper for bool cv::VideoWriter::isOpened()

Returns:

  • (Bool) 


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# File 'lib/ropencv/ropencv_types.rb', line 29992

def is_opened()
    __validate_pointer__
    Rbind::cv_video_writer_is_opened( self)
end

#open(filename, fourcc, fps, frame_size, is_color = true) ⇒ Bool

Note:

method wrapper for bool cv::VideoWriter::open(const cv::String filename, int fourcc, double fps, const cv::Size frameSize, bool isColor = true)

methods

Parameters:

  • filename (Cv::String)
  • fourcc (Fixnum)
  • fps (Double)
  • frame_size (Cv::Size)
  • is_color (Bool) (defaults to: true)

Returns:

  • (Bool) 


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# File 'lib/ropencv/ropencv_types.rb', line 29985

def open(filename, fourcc, fps, frame_size, is_color = true)
    __validate_pointer__
    Rbind::cv_video_writer_open( self, filename, fourcc, fps, frame_size, is_color)
end

#release ⇒ Void

Note:

method wrapper for void cv::VideoWriter::release()

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 30000

def release()
    __validate_pointer__
    Rbind::cv_video_writer_release( self)
end

#to_s ⇒ Object

converts VideoWriter into a string by crawling through all its attributes



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# File 'lib/ropencv/ropencv_types.rb', line 29969

def to_s
    "#<cv::VideoWriter >"
end

#write(image) ⇒ Void

Note:

method wrapper for void cv::VideoWriter::write(const cv::Mat image)

Parameters:

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 30008

def write(image)
    __validate_pointer__
    Rbind::cv_video_writer_write( self, image)
end