Method: CHD::CD#track_start

Defined in:
lib/chd/cd.rb

#track_start(track, phys = false) ⇒ Integer

Get the frame number that the track starts at.

Parameters:

  • track (Integer) —

    track number (start at 1)

Returns:

  • (Integer) —

    frame number



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# File 'lib/chd/cd.rb', line 131

def track_start(track, phys = false)
    frame_ofs_type = phys ? :physframeofs : :logframeofs
    
	# handle lead-out specially
	if track == 0xAA
 @mapping.last[frame_ofs_type]
    elsif ! (1 .. @toc.size).include?(track)
        raise RangeError, "track must be in 1..#{@toc.size}"
    else
        @mappging.dig(track - 1, frame_ofs_type)
    end
end