PlaybackSpeedState

@UnstableApi
class PlaybackSpeedState

State that holds all interactions to correctly deal with a UI component representing a playback speed controller.

In most cases, this will be created via rememberPlaybackSpeedState.

Summary

Public constructors
`PlaybackSpeedState(player: Player?)`

Public functions
`suspend Unit`	`observe()` Subscribes to updates from `Player.Events` and listens to
`Unit`	`updatePlaybackSpeed(speed: Float)` Updates the playback speed of the `Player` backing this state.

Public properties
`Boolean`	`isEnabled` true if `player` is not `null` and `Player.COMMAND_SET_SPEED_AND_PITCH` is available.
`Float`	`playbackSpeed` determined by `Player.playbackParameters.speed`.

PlaybackSpeedState(player: Player?)

Parameters
`player: Player?`	`Player` object that operates as a state provider.

suspend fun observe(): Unit

Subscribes to updates from Player.Events and listens to

Player.EVENT_PLAYBACK_PARAMETERS_CHANGED in order to determine the latest playback speed.
Player.EVENT_AVAILABLE_COMMANDS_CHANGED in order to determine whether the UI element responsible for setting the playback speed should be enabled, i.e. respond to user input.

fun updatePlaybackSpeed(speed: Float): Unit

Updates the playback speed of the Player backing this state.

This method must only be programmatically called if the state is enabled.

See also
`setPlaybackSpeed`
`COMMAND_SET_SPEED_AND_PITCH`

val isEnabled: Boolean

true if player is not null and Player.COMMAND_SET_SPEED_AND_PITCH is available.

val playbackSpeed: Float

determined by Player.playbackParameters.speed. Defaults to 1f if the player is null.