
public interface TtsEngineProvider<S extends TtsEngine.Settings, P extends TtsEngine.Preferences<P>, E extends PreferencesEditor<P>, F extends TtsEngine.Error, V extends TtsEngine.Voice>

To be implemented by adapters for third-party TTS engines which can be used with TtsNavigator.

Method Summary

Modifier and Type	Method	Description
`abstract Try<TtsEngine<S, P, F, V>, Error>`	`createEngine(Publication publication, P initialPreferences)`	Creates a TtsEngine for publication and initialPreferences.
`abstract E`	`createPreferencesEditor(Publication publication, P initialPreferences)`	Creates a preferences editor for publication and initialPreferences.
`abstract P`	`createEmptyPreferences()`	Creates an empty set of preferences of this TTS engine provider.
`abstract PlaybackParameters`	`getPlaybackParameters(S settings)`	Computes Media3 PlaybackParameters from the given settings.
`abstract P`	`updatePlaybackParameters(P previousPreferences, PlaybackParameters playbackParameters)`	Updates previousPreferences to honor the given Media3 playbackParameters.
`abstract PlaybackException`	`mapEngineError(F error)`	Maps an engine-specific error to Media3 PlaybackException.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - createEngine
```
 abstract Try<TtsEngine<S, P, F, V>, Error> createEngine(Publication publication, P initialPreferences)
```
    Creates a TtsEngine for publication and initialPreferences.
  - createPreferencesEditor
```
 abstract E createPreferencesEditor(Publication publication, P initialPreferences)
```
    Creates a preferences editor for publication and initialPreferences.
  - createEmptyPreferences
```
 abstract P createEmptyPreferences()
```
    Creates an empty set of preferences of this TTS engine provider.
  - getPlaybackParameters
```
 abstract PlaybackParameters getPlaybackParameters(S settings)
```
    Computes Media3 PlaybackParameters from the given settings.
  - updatePlaybackParameters
```
 abstract P updatePlaybackParameters(P previousPreferences, PlaybackParameters playbackParameters)
```
    Updates previousPreferences to honor the given Media3 playbackParameters.
  - mapEngineError
```
 abstract PlaybackException mapEngineError(F error)
```
    Maps an engine-specific error to Media3 PlaybackException.

Interface TtsEngineProvider

Method Summary

Methods inherited from class java.lang.Object

Method Detail

createEngine

createPreferencesEditor

createEmptyPreferences

getPlaybackParameters

updatePlaybackParameters

mapEngineError