Class: Hornetseye::DC1394Input

Inherits:

Object

• Object
• Hornetseye::DC1394Input

show all

Includes:

ReaderConversion

Defined in:

docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb,
docs/hornetseye-dc1394/lib/hornetseye-dc1394/dc1394input.rb

Overview

Constant Summary

SPEED_100 =

Firewire bus speed

nil

SPEED_200 =

Firewire bus speed

nil

SPEED_400 =

Firewire bus speed

nil

SPEED_800 =

Firewire bus speed

nil

SPEED_1600 =

Firewire bus speed

nil

SPEED_3200 =

Firewire bus speed

nil

FRAMERATE_1_875 =

Frame rate

nil

FRAMERATE_3_75 =

Frame rate

nil

FRAMERATE_7_5 =

Frame rate

nil

FRAMERATE_15 =

Frame rate

nil

FRAMERATE_30 =

Frame rate

nil

FRAMERATE_60 =

Frame rate

nil

FRAMERATE_120 =

Frame rate

nil

FRAMERATE_240 =

Frame rate

nil

FEATURE_MIN =

First feature

nil

FEATURE_BRIGHTNESS =

A feature

nil

FEATURE_EXPOSURE =

A feature

nil

FEATURE_SHARPNESS =

A feature

nil

FEATURE_WHITE_BALANCE =

A feature

nil

FEATURE_HUE =

A feature

nil

FEATURE_SATURATION =

A feature

nil

FEATURE_GAMMA =

A feature

nil

FEATURE_SHUTTER =

A feature

nil

FEATURE_GAIN =

A feature

nil

FEATURE_IRIS =

A feature

nil

FEATURE_FOCUS =

A feature

nil

FEATURE_TEMPERATURE =

A feature

nil

FEATURE_TRIGGER =

A feature

nil

FEATURE_TRIGGER_DELAY =

A feature

nil

FEATURE_WHITE_SHADING =

A feature

nil

FEATURE_FRAME_RATE =

A feature

nil

FEATURE_ZOOM =

A feature

nil

FEATURE_PAN =

A feature

nil

FEATURE_TILT =

A feature

nil

FEATURE_OPTICAL_FILTER =

A feature

nil

FEATURE_CAPTURE_SIZE =

A feature

nil

FEATURE_CAPTURE_QUALITY =

A feature

nil

FEATURE_MAX =

Last feature

nil

FEATURE_MODE_MANUAL =

Feature mode

nil

FEATURE_MODE_AUTO =

Feature mode

nil

FEATURE_MODE_ONE_PUSH_AUTO =

Feature mode

nil

Class Method Summary (collapse)

• + (Object) new(node = 0, speed = SPEED_400, frame_rate = nil, &action)

  Open the firewire camera.

Instance Method Summary (collapse)

• - (DC1394Input) close

  Close the video device.

• - (Boolean) feature_exist?(id)

  Check for existence of feature.

• - (Integer) feature_max(id)

  Get maximum value of feature.

• - (Integer) feature_min(id)

  Get minimum value of feature.

• - (Integer) feature_mode_read(id)

  Get current mode of feature.

• - (Integer) feature_mode_write(id, mode)

  Set mode of feature.

• - (Array<Integer>) feature_modes(id)

  Get supported modes of feature.

• - (Boolean) feature_on(id, value)

  Switch feature on or off.

• - (Boolean) feature_on?(id)

  Check whether feature is switched on.

• - (Integer) feature_read(id)

  Get value of feature.

• - (Boolean) feature_readable?(id)

  Check whether feature can be read.

• - (Boolean) feature_switchable?(id)

  Check whether feature can be switched on and off.

• - (Integer) feature_write(id, value)

  Set value of feature.

• - (Integer) height

  Height of video input.

• - (MultiArray, Frame_) read

  Read a video frame.

• - (Boolean) status?

  Check whether device is not closed.

• - (Integer) width

  Width of video input.

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/dc1394input.rb', line 47

def new( node = 0, speed = SPEED_400, frame_rate = nil, &action )
  dc1394 = @@dc1394 || DC1394.new
  begin
    retval = orig_new dc1394, node, speed, frame_rate != nil,
             frame_rate || FRAMERATE_240 do |modes|
      map = { MODE_MONO8  => UBYTE,
              MODE_YUV422 => UYVY,
              MODE_RGB8   => UBYTERGB,
              MODE_MONO16 => USINT }
      frame_types, index = [], []
      modes.each do |mode|
        unless map[mode.first]
          warn "Unsupported video mode #{"0x%08x" % mode.first} #{mode[1]}x#{mode[2]}"
        end
      end
      modes.collect { |mode| [map[mode.first], *mode[1 .. 2]] }.
        each_with_index do |mode,i|
        if mode.first
          frame_types.push mode
          index.push i
        end
      end
      if action
        desired = action.call frame_types
      else
        preference = [ UBYTERGB, UYVY, USINT, UBYTE ]
        desired = frame_types.sort_by do |mode|
          [-preference.index(mode.first), mode[1] * mode[2]]
        end.last
        raise "Device does not support a known video mode" unless desired
      end
      unless frame_types.member? desired
        raise "Frame type #{desired.inspect} not supported by camera" 
      end
      index[frame_types.index(desired)]
    end
    @@dc1394 = dc1394
    retval
  ensure
    dc1394.close unless @@dc1394
  end
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 212

def close
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 260

def feature_exist?( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 334

def feature_max( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 326

def feature_min( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 309

def feature_mode_read( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 318

def feature_mode_write( id, mode )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 301

def feature_modes( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 293

def feature_on( id, value )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 284

def feature_on?( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 244

def feature_read( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 268

def feature_readable?( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 276

def feature_switchable?( id )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 252

def feature_write( id, value )
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 236

def height
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 218

def read
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 224

def status?
end

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# File 'docs/hornetseye-dc1394/lib/hornetseye-dc1394/docs.rb', line 230

def width
end