Class: MultimediaParadise::VideoMetadata

Inherits:
Base
  • Object
show all
Defined in:
lib/multimedia_paradise/video/video_metadata.rb

Overview

MultimediaParadise::VideoMetadata

Constant Summary collapse

NAMESPACE =
#

MultimediaParadise::VideoMetadata::NAMESPACE

#
inspect
STORE_INTO_THIS_FILE =
#

STORE_INTO_THIS_FILE

Where to store the information about a video file.

#
'metadata.txt'

Constants inherited from Base

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

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, #opnn, #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(this_file = ARGV, run_already = true) ⇒ VideoMetadata

#

initialize

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 34

def initialize(
    this_file   = ARGV,
    run_already = true
  )
  reset
  set_main_file(this_file)
  run if run_already
end

Instance Method Details

#delete_old_file_if_it_exists(i = store_where?) ) ⇒ Object

#

delete_old_file_if_it_exists

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 57

def delete_old_file_if_it_exists(i = store_where?)
  if File.exist? i # This must then be an old file.
    File.delete(i)
  end
end

#main_file? ⇒ Boolean Also known as: input_file?

#

main_file?

#

Returns:

  • (Boolean) 


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 112

def main_file?
  @main_file
end

#prepend_filename ⇒ Object

#

prepend_filename

This method will prepend the filename into the file.

It will use SaveFile for storing said content.

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 70

def prepend_filename
  dataset = read_from_main_file
  dataset.prepend 'Filename: '+@main_file+N
  write_what_into(dataset, store_where?)
end

#read_from_main_file ⇒ Object

#

read_from_main_file

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 79

def read_from_main_file
  File.read(store_where?)
end

#reset ⇒ Object

#

reset

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 46

def reset
  super()
  # ======================================================================= #
  # === @namespace
  # ======================================================================= #
  @namespace = NAMESPACE
end

#run ⇒ Object

#

run

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 119

def run
  delete_old_file_if_it_exists
  _ = 'ffmpeg -i '+@main_file+' -f ffmetadata '+store_where?
  esystem _
  prepend_filename
  show_content
  opnn; e 'Stored into file `'+sfile(store_where?)+'`.'
end

#set_main_file(i) ⇒ Object

#

set_main_file

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 104

def set_main_file(i)
  i = i.join(' ').strip if i.is_a? Array
  @main_file = i
end

#show_content ⇒ Object

#

show_content

Display the content to the user.

#


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 88

def show_content
  opnn; e 'We have gathered this information about the file '+
           sfile(input_file?)+':'
  e simp(read_from_main_file.chomp)
end

#store_where? ⇒ Boolean

#

store_where?

#

Returns:

  • (Boolean) 


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# File 'lib/multimedia_paradise/video/video_metadata.rb', line 97

def store_where?
  STORE_INTO_THIS_FILE
end