Class: Frames::FrameConstructor

Inherits:
Object
  • Object
show all
Defined in:
lib/frames/frame_constructor.rb

Instance Method Summary collapse

Constructor Details

#initialize(ffprobe_output) ⇒ FrameConstructor

Returns a new instance of FrameConstructor.



9
10
11
 
# File 'lib/frames/frame_constructor.rb', line 9

def initialize(ffprobe_output)
  @raw_output = ffprobe_output
end

Instance Method Details

#frame_hashes ⇒ Object

Internal: Converts each raw frame into Hash.

Returns Array of Hashes.



21
22
23
24
25
26
27
28
29
 
# File 'lib/frames/frame_constructor.rb', line 21

def frame_hashes
  hashes = []

  split_raw_frames.each do |frame|
    hashes << raw_frame_to_hash(frame)
  end

  hashes
end

#frames ⇒ Object

Internal: Maps Array of hashes from output into Array Frame objects.



14
15
16
 
# File 'lib/frames/frame_constructor.rb', line 14

def frames
  frame_hashes.map { |h| Frame.new(h) }
end

#split_raw_frames ⇒ Object

Internal: Splits ffprobe output into seperate frames.

Returns Array of raw ffprobe frames.



34
35
36
37
38
 
# File 'lib/frames/frame_constructor.rb', line 34

def split_raw_frames
  @raw_output.split('[/FRAME]').take_while { |f|
    f['[FRAME']
  }
end