readium-navigator-media-tts/org.readium.navigator.media.tts.android/AndroidTtsEngineProvider

AndroidTtsEngineProvider

class AndroidTtsEngineProvider(context: Context, defaults: AndroidTtsDefaults = AndroidTtsDefaults(), voiceSelector: AndroidTtsEngine.VoiceSelector = AndroidTtsEngine.VoiceSelector { _, _ -> null }) : TtsEngineProvider<AndroidTtsSettings, AndroidTtsPreferences, AndroidTtsPreferencesEditor, AndroidTtsEngine.Error, AndroidTtsEngine.Voice>

Constructors

AndroidTtsEngineProvider

constructor(context: Context, defaults: AndroidTtsDefaults = AndroidTtsDefaults(), voiceSelector: AndroidTtsEngine.VoiceSelector = AndroidTtsEngine.VoiceSelector { _, _ -> null })

Functions

createEmptyPreferences

open override fun createEmptyPreferences(): AndroidTtsPreferences

Creates an empty set of preferences of this TTS engine provider.

open suspend override fun createEngine(publication: Publication, initialPreferences: AndroidTtsPreferences): Try<AndroidTtsEngine, Error>

Creates a TtsEngine for publication and initialPreferences.

createPreferencesEditor

open override fun createPreferencesEditor(publication: Publication, initialPreferences: AndroidTtsPreferences): AndroidTtsPreferencesEditor

Creates a preferences editor for publication and initialPreferences.

getPlaybackParameters

open override fun getPlaybackParameters(settings: AndroidTtsSettings): PlaybackParameters

Computes Media3 PlaybackParameters from the given settings.

open override fun mapEngineError(error: AndroidTtsEngine.Error): PlaybackException

Maps an engine-specific error to Media3 PlaybackException.

updatePlaybackParameters

open override fun updatePlaybackParameters(previousPreferences: AndroidTtsPreferences, playbackParameters: PlaybackParameters): AndroidTtsPreferences

Updates previousPreferences to honor the given Media3 playbackParameters.