Class: Speedrun::Trimmer

Inherits:
Object
  • Object
show all
Defined in:
lib/speedrun/trimmer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input_file, output_file = nil, noise_threshold: -70,, min_duration: 1.0, quiet: false) ⇒ Trimmer

Returns a new instance of Trimmer.

Raises:

  • (ArgumentError) 


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# File 'lib/speedrun/trimmer.rb', line 10

def initialize(input_file, output_file = nil, noise_threshold: -70, min_duration: 1.0, quiet: false)
  raise ArgumentError, "File not found: #{input_file}" unless File.exist?(input_file)

  @input_file = input_file
  @output_file = output_file || generate_output_filename(input_file)
  @noise_threshold = noise_threshold
  @min_duration = min_duration
  @dry_run = false
  @quiet = quiet
end

Instance Attribute Details

#dry_run ⇒ Object

Returns the value of attribute dry_run.



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# File 'lib/speedrun/trimmer.rb', line 8

def dry_run
  @dry_run
end

#input_file ⇒ Object (readonly)

Returns the value of attribute input_file.



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# File 'lib/speedrun/trimmer.rb', line 7

def input_file
  @input_file
end

#output_file ⇒ Object (readonly)

Returns the value of attribute output_file.



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# File 'lib/speedrun/trimmer.rb', line 7

def output_file
  @output_file
end

Instance Method Details

#dry_run? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/speedrun/trimmer.rb', line 21

def dry_run?
  @dry_run
end

#quiet? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/speedrun/trimmer.rb', line 25

def quiet?
  @quiet
end

#run ⇒ Object 



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# File 'lib/speedrun/trimmer.rb', line 29

def run
  output "Input:  #{@input_file}"
  output "Output: #{@output_file}"
  output ""

  # Step 1: Detect freeze regions
  progress_bar = Progress.create(title: "Analyzing video", total: 100, quiet: @quiet)
  freeze_regions = FFmpeg.detect_freezes(
    @input_file,
    noise_threshold: @noise_threshold,
    min_duration: @min_duration,
    quiet: @quiet
  ) do |progress|
    progress_bar&.progress = progress if progress
  end
  progress_bar&.finish

  if freeze_regions.empty?
    output "No freeze regions detected. Copying original video..."
    FileUtils.cp(@input_file, @output_file) unless dry_run?
    return
  end

  # Step 2: Calculate keep regions
  video_duration = FFmpeg.get_duration(@input_file)
  keep_regions = calculate_keep_regions(freeze_regions, video_duration)

  if keep_regions.empty?
    raise "All video content would be removed!"
  end

  # Step 3: Print summary
  print_summary(freeze_regions, keep_regions, video_duration)

  # Step 4: Process or dry-run
  if dry_run?
    output ""
    output "DRY RUN - No files were modified"
  else
    output ""
    progress_bar = Progress.create(title: "Processing video", total: 100, quiet: @quiet)
    FFmpeg.extract_and_concat(@input_file, @output_file, keep_regions, quiet: @quiet) do |progress|
      progress_bar&.progress = progress if progress
    end
    progress_bar&.finish

    output_size = File.size(@output_file)
    output "Complete! Output saved to #{@output_file}"
    output "  File size: #{Formatter.format_filesize(output_size)}"
  end
end