Class: MultimediaParadise::ConvertAudioToVideoWithImage

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

Overview

MultimediaParadise::ConvertAudioToVideoWithImage.new

Constant Summary

Constants inherited from Base

Base::ERROR, Base::ERROR_LINE, Base::NAMESPACE, 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, #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(audio_file = nil, image_file = nil, run_already = true) ⇒ ConvertAudioToVideoWithImage

#

initialize

#


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

def initialize(
    audio_file  = nil,
    image_file  = nil,
    run_already = true
  )
  reset
  set_use_this_audio_file(audio_file)
  set_use_this_image_file(image_file)
  if block_given?
    yielded = yield
    case yielded
    # === :to_mp4
    when :to_mp4
      do_store_as_mp4_file
    end
  end
  run if run_already
end

Class Method Details

.[](i = '') ⇒ Object

#

MultimediaParadise::ConvertAudioToVideoWithImage[]

#


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 142

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

Instance Method Details

#audio_file? ⇒ Boolean

#

audio_file?

#

Returns:

  • (Boolean) 


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 79

def audio_file?
  @use_this_audio_file
end

#do_store_as_mp4_file ⇒ Object

#

do_store_as_mp4_file

#


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

def do_store_as_mp4_file
  @use_this_as_file_extension_for_the_output = 'mp4'
end

#do_the_conversion ⇒ Object

#

do_the_conversion

This is the method that does the actual conversion-step.

#


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 103

def do_the_conversion
  image_file = image_file?
  e "The image `#{sfile(image_file)}` will be used."
  output_file_name = audio_file?.dup.
                     sub(/\.mp3$/,'')+
                     '.'+
                     @use_this_as_file_extension_for_the_output
  # ======================================================================= #
  # _ = 'ffmpeg -loop 1 -r 1 -i '+image_file+
  #    ' -i '+audio_file?+' '\
  #    '-c:a copy -shortest '+
  #    output_file_name
  # ======================================================================= #
  # The next one was added as of 17.05.2020.
  #
  # Example:
  #
  #   ffmpeg -i pic-0.png -i slide1_audio.mp3 -acodec copy -vcodec libx264 final.mp4
  #
  # ======================================================================= #
  _ = 'ffmpeg'\
      ' -i '+image_file+
      ' -i '+audio_file?+
      ' -acodec copy'+
      ' -vcodec libx264'+
      ' '+output_file_name
  esystem _
end

#image_file? ⇒ Boolean

#

image_file?

#

Returns:

  • (Boolean) 


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 94

def image_file?
  @use_this_image_file
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 53

def reset
  super()
  # ======================================================================= #
  # === @use_this_as_file_extension_for_the_output
  # ======================================================================= #
  @use_this_as_file_extension_for_the_output = 'avi'
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 135

def run
  do_the_conversion
end

#set_use_this_audio_file(i) ⇒ Object

#

set_use_this_audio_file

#


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 71

def set_use_this_audio_file(i)
  i = i.first if i.is_a? Array
  @use_this_audio_file = i
end

#set_use_this_image_file(i) ⇒ Object

#

set_use_this_image_file

#


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# File 'lib/multimedia_paradise/multimedia/convert_audio_to_video_with_image.rb', line 86

def set_use_this_image_file(i)
  i = i.first if i.is_a? Array
  @use_this_image_file = i
end