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<?php |
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namespace GinoPane\PHPolyglot\API\Supplemental\TTS; |
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use GinoPane\PHPolyglot\Supplemental\GetConstantsTrait; |
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/** |
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* Interface TtsAudioFormats |
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* |
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* The interface provides constants for popular basic audio formats. They are completely optional, you can use |
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* every other identifier for audio format, just be sure that your chosen API supports that key and can correctly |
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* process it |
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* |
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* @author Sergey <Gino Pane> Karavay |
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*/ |
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class TtsAudioFormat |
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{ |
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const AUDIO_BASIC = 'basic'; |
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const AUDIO_FLAC = 'flac'; |
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const AUDIO_L16 = 'l16'; |
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const AUDIO_MP3 = 'mp3'; |
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const AUDIO_MPEG = 'mpeg'; |
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const AUDIO_MULAW = 'mulaw'; |
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const AUDIO_OGG = 'ogg'; |
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const AUDIO_WAV = 'wav'; |
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const AUDIO_WEBM = 'webm'; |
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/** |
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* @link https://console.bluemix.net/docs/services/speech-to-text/audio-formats.html |
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* |
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* @var string[] |
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*/ |
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private static $defaultFileExtensions = [ |
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self::AUDIO_BASIC => 'au', |
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self::AUDIO_FLAC => 'flac', |
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self::AUDIO_L16 => 'l16', |
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self::AUDIO_MP3 => 'mp3', |
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self::AUDIO_MPEG => 'mp3', |
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self::AUDIO_MULAW => 'ulaw', |
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self::AUDIO_OGG => 'ogg', |
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self::AUDIO_WAV => 'wav', |
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self::AUDIO_WEBM => 'webm' |
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]; |
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/** |
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* Stored audio format. Set to mp3 format by default |
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* |
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* @var string |
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*/ |
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private $format = self::AUDIO_MP3; |
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use GetConstantsTrait; |
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/** |
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* TtsAudioFormat constructor |
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* |
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* @param string $format |
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*/ |
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public function __construct(string $format = self::AUDIO_MP3) |
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{ |
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$format = strtolower($format); |
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if ($this->constantValueExists($format)) { |
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$this->format = $format; |
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} else { |
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$this->format = self::AUDIO_MP3; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getFormat(): string |
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{ |
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return $this->format; |
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} |
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/** |
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* @return string |
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*/ |
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public function getFileExtension(): string |
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{ |
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return self::$defaultFileExtensions[$this->format]; |
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} |
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} |
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