Class: VCSRuby::LibAVVideoStream

Inherits:
Object
  • Object
show all
Defined in:
lib/libAV/libav_video_stream.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(video_stream) ⇒ LibAVVideoStream

Returns a new instance of LibAVVideoStream.



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# File 'lib/libAV/libav_video_stream.rb', line 11

def initialize video_stream
  @raw = video_stream
end

Instance Attribute Details

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



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# File 'lib/libAV/libav_video_stream.rb', line 9

def raw
  @raw
end

Instance Method Details

#aspect_ratio ⇒ Object 



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# File 'lib/libAV/libav_video_stream.rb', line 52

def aspect_ratio
  return nil if @raw['display_aspect_ratio'] == nil

  colon = ":"
  if @raw['display_aspect_ratio'].include? colon
    w,h = @raw['display_aspect_ratio'].split(colon).map { |n| n.to_i }
    Rational(w,h)
  else
    @raw['display_aspect_ratio'].to_f
  end
end

#bit_rate ⇒ Object 



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# File 'lib/libAV/libav_video_stream.rb', line 39

def bit_rate
  @raw['bit_rate'].to_i
end

#codec(short = false) ⇒ Object 



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# File 'lib/libAV/libav_video_stream.rb', line 23

def codec short = false
  if short
    @raw['codec_name']
  else
    @raw['codec_long_name']
  end
end

#color_space ⇒ Object 



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# File 'lib/libAV/libav_video_stream.rb', line 31

def color_space
  if ["unknown", "", nil].include? @raw['color_space']
    @raw['pix_fmt']
  else
    @raw['color_space']
  end
end

#frame_rate ⇒ Object 



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# File 'lib/libAV/libav_video_stream.rb', line 44

def frame_rate
  if @raw['r_frame_rate']
    @raw['r_frame_rate'].to_r
  elsif @raw['avg_frame_rate']
    @raw['avg_frame_rate'].to_r
  end
end

#height ⇒ Object 



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# File 'lib/libAV/libav_video_stream.rb', line 19

def height
  @raw['height'].to_i
end

#width ⇒ Object 



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# File 'lib/libAV/libav_video_stream.rb', line 15

def width
  @raw['width'].to_i
end