NoSampleRenderer

Artifact: androidx.media3:media3-exoplayer

Kotlin |Java

@UnstableApi
abstract class NoSampleRenderer : Renderer, RendererCapabilities

A Renderer implementation whose track type is TRACK_TYPE_NONE and does not consume data from its SampleStream.

Summary

Public constructors
`NoSampleRenderer()`

Public functions
`Unit`	`disable()` Disable the renderer, transitioning it to the `STATE_DISABLED` state.
`Unit`	`enable( configuration: RendererConfiguration!, formats: Array<Format!>!, stream: SampleStream!, positionUs: Long, joining: Boolean, mayRenderStartOfStream: Boolean, startPositionUs: Long, offsetUs: Long, mediaPeriodId: MediaSource.MediaPeriodId! )` Enables the renderer to consume from the specified `SampleStream`.
`RendererCapabilities!`	`getCapabilities()` Returns the capabilities of the renderer.
`MediaClock?`	`getMediaClock()` If the renderer advances its own playback position then this method returns a corresponding `MediaClock`.
`Long`	`getReadingPositionUs()` Returns the renderer time up to which the renderer has read samples, in microseconds, or `TIME_END_OF_SOURCE` if the renderer has read the current `SampleStream` to the end.
`Int`	`@C.TrackType getTrackType()` Returns the track type that the renderer handles.
`Unit`	`handleMessage(@Renderer.MessageType messageType: Int, message: Any?)` Handles a message delivered to the target.
`Boolean`	`hasReadStreamToEnd()` Returns whether the renderer has read the current `SampleStream` to the end.
`Unit`	`init(index: Int, playerId: PlayerId!, clock: Clock!)` Initializes the renderer for playback with a player.
`Boolean`	`isCurrentStreamFinal()` Returns whether the current `SampleStream` will be the final one supplied before the renderer is next disabled or reset.
`Boolean`	`isEnded()` Whether the renderer is ready for the `ExoPlayer` instance to transition to `STATE_ENDED`.
`Boolean`	`isReady()` Whether the renderer is able to immediately render media from the current position.
`Unit`	`maybeThrowStreamError()` Throws an error that's preventing the renderer from reading from its `SampleStream`.
`Unit`	`replaceStream( formats: Array<Format!>!, stream: SampleStream!, startPositionUs: Long, offsetUs: Long, mediaPeriodId: MediaSource.MediaPeriodId! )` Replaces the `SampleStream` from which samples will be consumed.
`Unit`	`reset()` Forces the renderer to give up any resources (e.g. media decoders) that it may be holding.
`Unit`	`resetPosition(positionUs: Long)` Signals to the renderer that a position discontinuity has occurred.
`Unit`	`setCurrentStreamFinal()` Signals to the renderer that the current `SampleStream` will be the final one supplied before it is next disabled or reset.
`Unit`	`setTimeline(timeline: Timeline!)` Sets the timeline that is currently being played.
`Unit`	`start()` Starts the renderer, meaning that calls to `render` will cause media to be rendered.
`Unit`	`stop()` Stops the renderer, transitioning it to the `STATE_ENABLED` state.
`Int`	`@RendererCapabilities.Capabilities supportsFormat(format: Format!)` Returns the extent to which the `Renderer` supports a given format.
`Int`	`@RendererCapabilities.AdaptiveSupport supportsMixedMimeTypeAdaptation()` Returns the extent to which the `Renderer` supports adapting between supported formats that have different MIME types.

Protected functions
`Unit`	`onDisabled()` Called when the renderer is disabled.
`Unit`	`onEnabled(joining: Boolean)` Called when the renderer is enabled.
`Unit`	`onPositionReset(positionUs: Long, joining: Boolean)` Called when the position is reset.
`Unit`	`onRendererOffsetChanged(offsetUs: Long)` Called when the renderer's offset has been changed.
`Unit`	`onReset()` Called when the renderer is reset.
`Unit`	`onStarted()` Called when the renderer is started.
`Unit`	`onStopped()` Called when the renderer is stopped.

Public properties
`Int`	`state`
`SampleStream?`	`stream`

Protected properties
`@MonotonicNonNull RendererConfiguration!`	`@MonotonicNonNull configuration`
`Int`	`index`

Inherited Constants

From androidx.media3.exoplayer.Renderer

`const Int`	`MSG_CUSTOM_BASE = 10000` Applications or extensions may define custom `MSG_*` constants that can be passed to renderers.
`const Int`	`MSG_SET_AUDIO_ATTRIBUTES = 3` A type of a message that can be passed to an audio renderer via `createMessage`.
`const Int`	`MSG_SET_AUDIO_SESSION_ID = 10` The type of a message that can be passed to audio and video renderers via `createMessage`.
`const Int`	`MSG_SET_AUX_EFFECT_INFO = 6` A type of a message that can be passed to an audio renderer via `createMessage`.
`const Int`	`MSG_SET_CAMERA_MOTION_LISTENER = 8` The type of a message that can be passed to a camera motion renderer via `createMessage`.
`const Int`	`MSG_SET_CHANGE_FRAME_RATE_STRATEGY = 5` The type of a message that can be passed to a video renderer via `createMessage`.
`const Int`	`MSG_SET_IMAGE_OUTPUT = 15` The type of message that can be passed to an image renderer to set a desired image output.
`const Int`	`MSG_SET_PREFERRED_AUDIO_DEVICE = 12` The type of a message that can be passed to audio renderers via `createMessage`.
`const Int`	`MSG_SET_SCALING_MODE = 4` The type of a message that can be passed to a `MediaCodec`-based video renderer via `createMessage`.
`const Int`	`MSG_SET_SKIP_SILENCE_ENABLED = 9` The type of a message that can be passed to an audio renderer via `createMessage`.
`const Int`	`MSG_SET_VIDEO_EFFECTS = 13` The type of a message that can be passed to a video renderer.
`const Int`	`MSG_SET_VIDEO_FRAME_METADATA_LISTENER = 7` The type of a message that can be passed to a video renderer via `createMessage`.
`const Int`	`MSG_SET_VIDEO_OUTPUT = 1` The type of a message that can be passed to a video renderer via `createMessage`.
`const Int`	`MSG_SET_VIDEO_OUTPUT_RESOLUTION = 14` The type of a message that can be passed to a video renderer to set the desired output resolution.
`const Int`	`MSG_SET_VOLUME = 2` A type of a message that can be passed to an audio renderer via `createMessage`.
`const Int`	`MSG_SET_WAKEUP_LISTENER = 11` The type of a message that can be passed to a `Renderer` via `createMessage`, to inform the renderer that it can schedule waking up another component.
`const Int`	`STATE_DISABLED = 0` The renderer is disabled.
`const Int`	`STATE_ENABLED = 1` The renderer is enabled but not started.
`const Int`	`STATE_STARTED = 2` The renderer is started.

From androidx.media3.exoplayer.RendererCapabilities

`const Int`	`ADAPTIVE_NOT_SEAMLESS = 8` The `Renderer` can adapt between formats, but may suffer a brief discontinuity (~50-100ms) when adaptation occurs.
`const Int`	`ADAPTIVE_NOT_SUPPORTED = 0` The `Renderer` does not support adaptation between formats.
`const Int`	`ADAPTIVE_SEAMLESS = 16` The `Renderer` can seamlessly adapt between formats.
`const Int`	`ADAPTIVE_SUPPORT_MASK = 24` A mask to apply to `Capabilities` to obtain the `AdaptiveSupport` only.
`const Int`	`AUDIO_OFFLOAD_GAPLESS_SUPPORTED = 1024` The renderer supports audio offload and gapless transitions with this format.
`const Int`	`AUDIO_OFFLOAD_NOT_SUPPORTED = 0` Audio offload is not supported with this format.
`const Int`	`AUDIO_OFFLOAD_SPEED_CHANGE_SUPPORTED = 2048` The renderer supports audio offload and speed changes with this format.
`const Int`	`AUDIO_OFFLOAD_SUPPORTED = 512` The renderer supports audio offload with this format.
`const Int`	`AUDIO_OFFLOAD_SUPPORT_MASK = 3584` A mask to apply to `Capabilities` to obtain `AudioOffloadSupport` only.
`const Int`	`DECODER_SUPPORT_FALLBACK = 0` The format exceeds the primary decoder's capabilities but is supported by fallback decoder
`const Int`	`DECODER_SUPPORT_FALLBACK_MIMETYPE = 256` The format's MIME type is unsupported and the renderer may use a decoder for a fallback MIME type.
`const Int`	`DECODER_SUPPORT_MASK = 384` A mask to apply to `Capabilities` to obtain `DecoderSupport` only.
`const Int`	`DECODER_SUPPORT_PRIMARY = 128` The renderer is able to use the primary decoder for the format's MIME type.
`const Int`	`FORMAT_EXCEEDS_CAPABILITIES = 3` This property is deprecated. Use `FORMAT_EXCEEDS_CAPABILITIES` instead.
`const Int`	`FORMAT_HANDLED = 4` This property is deprecated. Use `FORMAT_HANDLED` instead.
`const Int`	`FORMAT_SUPPORT_MASK = 7` A mask to apply to `Capabilities` to obtain the `C.FormatSupport` only.
`const Int`	`FORMAT_UNSUPPORTED_DRM = 2` This property is deprecated. Use `FORMAT_UNSUPPORTED_DRM` instead.
`const Int`	`FORMAT_UNSUPPORTED_SUBTYPE = 1` This property is deprecated. Use `FORMAT_UNSUPPORTED_SUBTYPE` instead.
`const Int`	`FORMAT_UNSUPPORTED_TYPE = 0` This property is deprecated. Use `FORMAT_UNSUPPORTED_TYPE` instead.
`const Int`	`HARDWARE_ACCELERATION_NOT_SUPPORTED = 0` The renderer is not able to use hardware acceleration.
`const Int`	`HARDWARE_ACCELERATION_SUPPORTED = 64` The renderer is able to use hardware acceleration.
`const Int`	`HARDWARE_ACCELERATION_SUPPORT_MASK = 64` A mask to apply to `Capabilities` to obtain `HardwareAccelerationSupport` only.
`const Int`	`TUNNELING_NOT_SUPPORTED = 0` The `Renderer` does not support tunneled output.
`const Int`	`TUNNELING_SUPPORTED = 32` The `Renderer` supports tunneled output.
`const Int`	`TUNNELING_SUPPORT_MASK = 32` A mask to apply to `Capabilities` to obtain `TunnelingSupport` only.

Inherited functions

From androidx.media3.exoplayer.Renderer

`Unit`	`enableMayRenderStartOfStream()` Enables this renderer to render the start of the stream even if the state is not `STATE_STARTED` yet.
`abstract String!`	`getName()` Returns the name of this renderer, for logging and debugging purposes.
`Unit`	`release()` Releases the renderer.
`abstract Unit`	`render(positionUs: Long, elapsedRealtimeUs: Long)` Incrementally renders the `SampleStream`.
`Unit`	`setPlaybackSpeed(currentPlaybackSpeed: Float, targetPlaybackSpeed: Float)` Indicates the playback speed to this renderer.

From androidx.media3.exoplayer.RendererCapabilities

`Unit`	`clearListener()` Clears the `Listener`.
`java-static Int`	`@RendererCapabilities.Capabilities create(@C.FormatSupport formatSupport: Int)` Returns `Capabilities` for the given `C.FormatSupport`.
`java-static Int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport formatSupport: Int, @RendererCapabilities.AdaptiveSupport adaptiveSupport: Int, @RendererCapabilities.TunnelingSupport tunnelingSupport: Int )` Returns `Capabilities` combining the given `C.FormatSupport`, and `TunnelingSupport`.
`java-static Int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport formatSupport: Int, @RendererCapabilities.AdaptiveSupport adaptiveSupport: Int, @RendererCapabilities.TunnelingSupport tunnelingSupport: Int, @RendererCapabilities.AudioOffloadSupport audioOffloadSupport: Int )` Returns `Capabilities` combining the given `C.FormatSupport`, , `TunnelingSupport`, and `AudioOffloadSupport`.
`java-static Int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport formatSupport: Int, @RendererCapabilities.AdaptiveSupport adaptiveSupport: Int, @RendererCapabilities.TunnelingSupport tunnelingSupport: Int, @RendererCapabilities.HardwareAccelerationSupport hardwareAccelerationSupport: Int, @RendererCapabilities.DecoderSupport decoderSupport: Int )` Returns `Capabilities` combining the given `C.FormatSupport`, , `TunnelingSupport`, `HardwareAccelerationSupport`, and .
`java-static Int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport formatSupport: Int, @RendererCapabilities.AdaptiveSupport adaptiveSupport: Int, @RendererCapabilities.TunnelingSupport tunnelingSupport: Int, @RendererCapabilities.HardwareAccelerationSupport hardwareAccelerationSupport: Int, @RendererCapabilities.DecoderSupport decoderSupport: Int, @RendererCapabilities.AudioOffloadSupport audioOffloadSupport: Int )` Returns `Capabilities` combining the given `C.FormatSupport`, , `TunnelingSupport`, `HardwareAccelerationSupport`, and `AudioOffloadSupport`.
`java-static Int`	`@RendererCapabilities.AdaptiveSupport getAdaptiveSupport(@RendererCapabilities.Capabilities supportFlags: Int)` Returns the `AdaptiveSupport` from the combined `Capabilities`.
`java-static Int`	`@RendererCapabilities.AudioOffloadSupport getAudioOffloadSupport( @RendererCapabilities.Capabilities supportFlags: Int )` Returns the `AudioOffloadSupport` from the combined `Capabilities`.
`java-static Int`	`@RendererCapabilities.DecoderSupport getDecoderSupport(@RendererCapabilities.Capabilities supportFlags: Int)` Returns the `DecoderSupport` from the combined `Capabilities`.
`java-static Int`	`@C.FormatSupport getFormatSupport(@RendererCapabilities.Capabilities supportFlags: Int)` Returns the `C.FormatSupport` from the combined `Capabilities`.
`java-static Int`	`@RendererCapabilities.HardwareAccelerationSupport getHardwareAccelerationSupport( @RendererCapabilities.Capabilities supportFlags: Int )` Returns the `HardwareAccelerationSupport` from the combined `Capabilities`.
`java-static Int`	`@RendererCapabilities.TunnelingSupport getTunnelingSupport(@RendererCapabilities.Capabilities supportFlags: Int)` Returns the `TunnelingSupport` from the combined `Capabilities`.
`Unit`	`setListener(listener: RendererCapabilities.Listener!)` Sets the `Listener`.

Public constructors

NoSampleRenderer

NoSampleRenderer()

Public functions

disable

fun disable(): Unit

Disable the renderer, transitioning it to the STATE_DISABLED state.

This method may be called when the renderer is in the following states: STATE_ENABLED.

enable

fun enable(
    configuration: RendererConfiguration!,
    formats: Array<Format!>!,
    stream: SampleStream!,
    positionUs: Long,
    joining: Boolean,
    mayRenderStartOfStream: Boolean,
    startPositionUs: Long,
    offsetUs: Long,
    mediaPeriodId: MediaSource.MediaPeriodId!
): Unit

Enables the renderer to consume from the specified SampleStream.

This method may be called when the renderer is in the following states: STATE_DISABLED.

Parameters
`configuration: RendererConfiguration!`	The renderer configuration.
`formats: Array<Format!>!`	The enabled formats.
`stream: SampleStream!`	The `SampleStream` from which the renderer should consume.
`positionUs: Long`	The player's current position.
`joining: Boolean`	Whether this renderer is being enabled to join an ongoing playback.
`mayRenderStartOfStream: Boolean`	Whether this renderer is allowed to render the start of the stream even if the state is not `STATE_STARTED` yet.
`startPositionUs: Long`	The start position of the stream in renderer time (microseconds).
`offsetUs: Long`	The offset to be added to timestamps of buffers read from `stream` before they are rendered.
`mediaPeriodId: MediaSource.MediaPeriodId!`	The `MediaPeriodId` of the `MediaPeriod` producing the `stream`.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

getCapabilities

fun getCapabilities(): RendererCapabilities!

Returns the capabilities of the renderer.

Returns
`RendererCapabilities!`	The capabilities of the renderer.

getMediaClock

fun getMediaClock(): MediaClock?

If the renderer advances its own playback position then this method returns a corresponding MediaClock. If provided, the player will use the returned MediaClock as its source of time during playback. A player may have at most one renderer that returns a from this method.

Returns
`MediaClock?`	The `MediaClock` tracking the playback position of the renderer, or null.

getReadingPositionUs

fun getReadingPositionUs(): Long

Returns the renderer time up to which the renderer has read samples, in microseconds, or TIME_END_OF_SOURCE if the renderer has read the current SampleStream to the end.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

getTrackType

@C.TrackType
fun getTrackType(): Int

Returns the track type that the renderer handles.

Returns
`Int`	The `track type`.

See also
`getRendererType`

handleMessage

fun handleMessage(@Renderer.MessageType messageType: Int, message: Any?): Unit

Handles a message delivered to the target.

Parameters
`@Renderer.MessageType messageType: Int`	The message type.
`message: Any?`	The message payload.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurred whilst handling the message. Should only be thrown by targets that handle messages on the playback thread.

hasReadStreamToEnd

fun hasReadStreamToEnd(): Boolean

Returns whether the renderer has read the current SampleStream to the end.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

init

fun init(index: Int, playerId: PlayerId!, clock: Clock!): Unit

Initializes the renderer for playback with a player.

Parameters
`index: Int`	The renderer index within the player.
`playerId: PlayerId!`	The `PlayerId` of the player.
`clock: Clock!`	The `Clock`.

isCurrentStreamFinal

fun isCurrentStreamFinal(): Boolean

Returns whether the current SampleStream will be the final one supplied before the renderer is next disabled or reset.

isEnded

fun isEnded(): Boolean

Whether the renderer is ready for the ExoPlayer instance to transition to STATE_ENDED. The player will make this transition as soon as true is returned by all of its renderers.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

Returns
`Boolean`	Whether the renderer is ready for the player to transition to the ended state.

isReady

fun isReady(): Boolean

Whether the renderer is able to immediately render media from the current position.

If the renderer is in the STATE_STARTED state then returning true indicates that the renderer has everything that it needs to continue playback. Returning false indicates that the player should pause until the renderer is ready.

If the renderer is in the STATE_ENABLED state then returning true indicates that the renderer is ready for playback to be started. Returning false indicates that it is not.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

Returns
`Boolean`	Whether the renderer is ready to render media.

maybeThrowStreamError

fun maybeThrowStreamError(): Unit

Throws an error that's preventing the renderer from reading from its SampleStream. Does nothing if no such error exists.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

Throws
`java.io.IOException`	An error that's preventing the renderer from making progress or buffering more data.

replaceStream

fun replaceStream(
    formats: Array<Format!>!,
    stream: SampleStream!,
    startPositionUs: Long,
    offsetUs: Long,
    mediaPeriodId: MediaSource.MediaPeriodId!
): Unit

Replaces the SampleStream from which samples will be consumed.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

Parameters
`formats: Array<Format!>!`	The enabled formats.
`stream: SampleStream!`	The `SampleStream` from which the renderer should consume.
`startPositionUs: Long`	The start position of the new stream in renderer time (microseconds).
`offsetUs: Long`	The offset to be added to timestamps of buffers read from `stream` before they are rendered.
`mediaPeriodId: MediaSource.MediaPeriodId!`	The `MediaPeriodId` of the `MediaPeriod` producing the `stream`.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

reset

fun reset(): Unit

Forces the renderer to give up any resources (e.g. media decoders) that it may be holding. If the renderer is not holding any resources, the call is a no-op.

This method may be called when the renderer is in the following states: STATE_DISABLED.

resetPosition

fun resetPosition(positionUs: Long): Unit

Signals to the renderer that a position discontinuity has occurred.

After a position discontinuity, the renderer's SampleStream is guaranteed to provide samples starting from a key frame.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

Parameters
`positionUs: Long`	The new playback position in microseconds.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs handling the reset.

setCurrentStreamFinal

fun setCurrentStreamFinal(): Unit

Signals to the renderer that the current SampleStream will be the final one supplied before it is next disabled or reset.

This method may be called when the renderer is in the following states: STATE_ENABLED, STATE_STARTED.

setTimeline

fun setTimeline(timeline: Timeline!): Unit

Sets the timeline that is currently being played.

start

fun start(): Unit

Starts the renderer, meaning that calls to render will cause media to be rendered.

This method may be called when the renderer is in the following states: STATE_ENABLED.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

stop

fun stop(): Unit

Stops the renderer, transitioning it to the STATE_ENABLED state.

This method may be called when the renderer is in the following states: STATE_STARTED.

supportsFormat

@RendererCapabilities.Capabilities
fun supportsFormat(format: Format!): Int

Returns the extent to which the Renderer supports a given format.

Parameters
`format: Format!`	The format.

Returns
`Int`	The `Capabilities` for this format.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

supportsMixedMimeTypeAdaptation

@RendererCapabilities.AdaptiveSupport
fun supportsMixedMimeTypeAdaptation(): Int

Returns the extent to which the Renderer supports adapting between supported formats that have different MIME types.

Returns
`Int`	The `AdaptiveSupport` for adapting between supported formats that have different MIME types.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

Protected functions

onDisabled

protected fun onDisabled(): Unit

Called when the renderer is disabled.

The default implementation is a no-op.

onEnabled

protected fun onEnabled(joining: Boolean): Unit

Called when the renderer is enabled.

The default implementation is a no-op.

Parameters
`joining: Boolean`	Whether this renderer is being enabled to join an ongoing playback.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

onPositionReset

protected fun onPositionReset(positionUs: Long, joining: Boolean): Unit

Called when the position is reset. This occurs when the renderer is enabled after onRendererOffsetChanged has been called, and also when a position discontinuity is encountered.

The default implementation is a no-op.

Parameters
`positionUs: Long`	The new playback position in microseconds.
`joining: Boolean`	Whether this renderer is being enabled to join an ongoing playback.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

onRendererOffsetChanged

protected fun onRendererOffsetChanged(offsetUs: Long): Unit

Called when the renderer's offset has been changed.

The default implementation is a no-op.

Parameters
`offsetUs: Long`	The offset that should be subtracted from `positionUs` in `render` to get the playback position with respect to the media.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

onReset

protected fun onReset(): Unit

Called when the renderer is reset.

The default implementation is a no-op.

onStarted

protected fun onStarted(): Unit

Called when the renderer is started.

The default implementation is a no-op.

Throws
`androidx.media3.exoplayer.ExoPlaybackException`	If an error occurs.

onStopped

protected fun onStopped(): Unit

Called when the renderer is stopped.

The default implementation is a no-op.

Public properties

state

val state: Int

stream

val stream: SampleStream?

Protected properties

configuration

@MonotonicNonNull
protected val configuration: @MonotonicNonNull RendererConfiguration!

index

protected val index: Int