Class: MultimediaParadise::AnalyseMultimediaFile

Inherits:
Base
  • Object
show all
Defined in:
lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb

Overview

MultimediaParadise::AnalyseMultimediaFile

Constant Summary collapse

NAMESPACE =
#

NAMESPACE

#
inspect

Constants inherited from Base

Base::ERROR, Base::ERROR_LINE, Base::USE_THIS_NAMESPACE_FOR_THE_COLOURS, Base::USE_THIS_NAMESPACE_FOR_THE_CORE_COLOURS

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#actions, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #cartoons_directory?, #clear_the_internal_hash, #cliner, #cliner_with_time_stamp, #colourized_comment, #copy_file, #crimson, #dataset_from_file_video_collection, #dd_mm_yyyy, #debug?, #default_readlines, #directory_to_realvids?, #do_not_use_opn, #dodgerblue, #does_the_video_player_support_this_commandline?, #e, #ecomment, #ecrimson, #efancy, #enable_debug, #ensure_main_encoding, #ensure_that_the_output_directory_exists, #eparse, #erev, #esystem, #ewarn, #file_video_collection?, #filter_for_audio_files, #filter_for_video_files, #forestgreen, #gold, #grey, #hh_mm_ss, #home_x_video?, #indianred, #infer_the_namespace, #internal_hash?, #is_audio_file?, #is_mkv?, #is_mp3?, #is_mp4?, #is_multimedia_file?, #is_on_roebe?, #is_video_file?, #konsole_colour_peru, #lightblue, #lightgreen, #load_yaml, #local_audio_directory?, #log_dir?, #map_symbol_to_locally_existing_file, #mediumorchid, #mediumpurple, #mediumslateblue, #mkdir, #move_file, #namespace?, #no_file_exists, #no_file_exists_at, #olive, #olivedrab, #opne, #opnecomment, #orange, #palegoldenrod, #palegreen, #powderblue, #project_base_directory?, #rds, #register_sigint, #remove_file, #report_pwd, #reset_the_internal_hash, #return_all_video_files, #return_pwd, #return_random_video, #rev, #royalblue, #save_what_into, #sdir, #seagreen, #seconds_to_time_format, #select_only_video_files_from, #set_be_verbose, #set_use_colours, #sfancy, #sfile, #simp, #skyblue, #slateblue, #springgreen, #steelblue, #swarn, #teal, #time_right_now, #to_hh_mm_ss, #tomato, #true_rev, #try_to_rename_kde_konsole_tab, #ucliner, #use_colours?, #use_opn?, #use_which_video_player?, #verbose_truth, #video_collection?, #violet, #yaml_directory?, #yel

Methods included from CommandlineArgumentsModule

#all_input_starts_with_a_number?, #commandline_arguments?, #commandline_arguments_as_a_string, #first_argument?, #first_non_hyphened_commandline_argument?, #set_commandline_arguments

Constructor Details

#initialize(commandline_arguments = nil, run_already = true) ⇒ AnalyseMultimediaFile

#

initialize

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 31

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  reset
  set_commandline_arguments(
    commandline_arguments
  )
  run if run_already
end

Class Method Details

.[](i = '') ⇒ Object

#

MultimediaParadise::AnalyseMultimediaFile[]

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 174

def self.[](i = '')
  new(i)
end

Instance Method Details

#analyze_this_result(i) ⇒ Object

#

analyze_this_result

This method will analyse the result that “ffmpeg -i” gave us.

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 101

def analyze_this_result(i)
  # debug_this(i) # This can be enabled/disabled.
  if i.include? 'encoder         :'
    i =~ /encoder         : (.+)$/
    @encoder = $1.to_s.dup
    e 'The encoder is: '.ljust(@left_pad_n_times)+lightgreen(@encoder)
  end
  # ======================================================================= #
  # === Duration
  # ======================================================================= #
  if i.include? 'Duration: '
    i =~ /Duration: ([0-9:.]{2,12}),/ # See: https://rubular.com/r/Rq5lAuQnJUfiZd
    @duration = $1.to_s.dup
    n_seconds = return_this_duration_in_seconds(@duration)
    e rev+'The duration is: '.ljust(@left_pad_n_times)+
       lightgreen(@duration)+
       rev+
       " (#{olive(n_seconds.to_s)} #{rev}seconds)"
  end
  # ======================================================================= #
  # === Stream #0:0:
  # ======================================================================= #
  if i.include? 'Stream #0:0:'
    if i.include?('x') and (i =~ / (\d{1,3})x(\d{1,3}) /) 
      results = i.scan(/ (\d{1,3})x(\d{1,3}) /)
      e rev+'Video resolution is: '.ljust(@left_pad_n_times)+
         lightgreen(results.flatten.join('x').to_s)
    end
    # if i.include? 'Video:'
    #   e 'Codec: '.ljust(@left_pad_n_times)+
    #     'mpeg4'
    # end
  end
  if i.include? 'ENCODER   '
    # ===================================================================== #
    # ENCODER         : Lavf58.29.100
    # ===================================================================== #
    scanned_result = i.scan(/ENCODER\s*: (.+)/).flatten.first
    e rev+'The encoder is: '.ljust(@left_pad_n_times)+
       lightgreen(scanned_result)
  end
  if i.include? ': Audio: mp3, '
    e rev+'The file includes an audio stream '\
      "(#{royalblue('mp3 format')}#{rev})."
  end
end

#debug_this(i) ⇒ Object

#

debug_this

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 91

def debug_this(i)
  e crimson('Debugging:')
  pp i
end

#opnn(&block) ⇒ Object

#

opnn

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 57

def opnn(&block)
  super(namespace?, &block)
end

#process_the_input(i = commandline_arguments? ) ⇒ Object

#

process_the_input

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 64

def process_the_input(
    i = commandline_arguments?
  )
  i.each {|this_file|
    if is_a_multimedia_file?(this_file)
      opnn { :no_colon }
      e
      e
      e "The multimedia file #{sfile(this_file)}#{rev} "\
        "will be analysed"
      e "next, via #{orange('ffmpeg')}#{rev}."
      e
      cmd = "ffmpeg -i #{this_file} 2>&1"
      e slateblue("  #{cmd}")
      e
      result = `#{cmd}`
      analyze_this_result(result)
    else
      opne sfile(this_file)+rev+' can not be analysed as it is not a (registered)'
      opne 'audio/video (multimedia) file.'
    end
  }
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 45

def reset
  super()
  infer_the_namespace
  # ======================================================================= #
  # === @left_pad_n_times
  # ======================================================================= #
  @left_pad_n_times = 25
end

#return_this_duration_in_seconds(i = '00:03:52.15') ⇒ Object

#

return_this_duration_in_seconds

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 151

def return_this_duration_in_seconds(
    i = '00:03:52.15'
  )
  result = 0.0
  if i.include? ':'
    splitted = i.split(':')
    result += (splitted[0].to_f * 60 * 60)
    result += (splitted[1].to_f * 60) # These is the entry for minutes.
    result += splitted[2].to_f
  end
  result
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/multimedia_paradise/multimedia/analyse_multimedia_file.rb', line 167

def run
  process_the_input
end