Class: Voicemaker::TTSParams

Inherits:
Object
  • Object
show all
Defined in:
lib/voicemaker/tts_params.rb

Overview

Provides normalized access to all parameters needed for the TTS endpoint, including the auto identification of the Engine and Language based on voice ID, and including sensible defaults.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input_params = {}) ⇒ TTSParams

Returns a new instance of TTSParams.



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# File 'lib/voicemaker/tts_params.rb', line 12

def initialize(input_params = {})
  @input_params = input_params
end

Instance Attribute Details

#effect ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 32

def effect
  @effect ||= input_params[:effect] || 'default'
end

#input_params ⇒ Object (readonly)

Returns the value of attribute input_params.



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# File 'lib/voicemaker/tts_params.rb', line 8

def input_params
  @input_params
end

#master_pitch ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 48

def master_pitch
  @master_pitch ||= (input_params[:master_pitch] || 0).to_s
end

#master_speed ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 40

def master_speed
  @master_speed ||= (input_params[:master_speed] || 0).to_s
end

#master_volume ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 44

def master_volume
  @master_volume ||= (input_params[:master_volume] || 0).to_s
end

#output_format ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 28

def output_format
  @output_format ||= input_params[:output_format] || 'mp3'
end

#sample_rate ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 36

def sample_rate
  @sample_rate ||= (input_params[:sample_rate] || 48000).to_s
end

#text ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 24

def text
  @text ||= input_params[:text] || raise(InputError, "Missing parameter: text")
end

#voice ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 20

def voice
  @voice ||= find_voice || raise(InputError, "Missing or invalid parameter: voice")
end

Instance Method Details

#api_params ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 52

def api_params
  {
    "Engine" => engine,
    "VoiceId" => voice,
    "LanguageCode" => language,
    "OutputFormat" => output_format,
    "SampleRate" => sample_rate,
    "Effect" => effect,
    "MasterSpeed" => master_speed,
    "MasterVolume" => master_volume,
    "MasterPitch" => master_pitch,
    "Text" => text
  }
end

#inspect ⇒ Object 



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# File 'lib/voicemaker/tts_params.rb', line 16

def inspect
  %Q[#<Voicemaker::TTSParams api_params="#{api_params}"]
end