FakeVideoRenderer

Artifact: androidx.media3:media3-test-utils

Kotlin |Java

@UnstableApi
public class FakeVideoRenderer extends FakeRenderer

java.lang.Object
↳	androidx.media3.exoplayer.BaseRenderer
	↳	androidx.media3.test.utils.FakeRenderer
		↳	androidx.media3.test.utils.FakeVideoRenderer

A FakeRenderer that supports TRACK_TYPE_VIDEO.

Summary

Public constructors
`FakeVideoRenderer( HandlerWrapper handler, VideoRendererEventListener eventListener )`

Public methods
`void`	`handleMessage( @Renderer.MessageType int messageType, @Nullable Object message )` Handles a message delivered to the target.

Protected methods
`void`	`onDisabled()` Called when the renderer is disabled.
`void`	`onEnabled(boolean joining, boolean mayRenderStartOfStream)` Called when the renderer is enabled.
`void`	`onFormatChanged(Format format)` Called when the renderer reads a new format.
`void`	`onPositionReset(long positionUs, boolean joining)` Called when the position is reset.
`void`	`onStopped()` Called when the renderer is stopped.
`void`	`onStreamChanged( Format[] formats, long startPositionUs, long offsetUs, MediaSource.MediaPeriodId mediaPeriodId )` Called when the renderer's stream has changed.
`boolean`	`shouldProcessBuffer(long bufferTimeUs, long playbackPositionUs)` Called before the renderer processes a buffer.

Inherited Constants

From androidx.media3.exoplayer.Renderer

`static final long`	`DEFAULT_DURATION_TO_PROGRESS_US = 10000` Default minimum duration that the playback clock must advance before `render` can make progress.
`static final int`	`MSG_CUSTOM_BASE = 10000` Applications or extensions may define custom `MSG_*` constants that can be passed to renderers.
`static final int`	`MSG_SET_AUDIO_ATTRIBUTES = 3` A type of a message that can be passed to an audio renderer via `createMessage`.
`static final int`	`MSG_SET_AUDIO_SESSION_ID = 10` The type of a message that can be passed to audio and video renderers via `createMessage`.
`static final int`	`MSG_SET_AUX_EFFECT_INFO = 6` A type of a message that can be passed to an audio renderer via `createMessage`.
`static final int`	`MSG_SET_CAMERA_MOTION_LISTENER = 8` The type of a message that can be passed to a camera motion renderer via `createMessage`.
`static final int`	`MSG_SET_CHANGE_FRAME_RATE_STRATEGY = 5` The type of a message that can be passed to a video renderer via `createMessage`.
`static final int`	`MSG_SET_IMAGE_OUTPUT = 15` The type of message that can be passed to an image renderer to set a desired image output.
`static final int`	`MSG_SET_PREFERRED_AUDIO_DEVICE = 12` The type of a message that can be passed to audio renderers via `createMessage`.
`static final int`	`MSG_SET_PRIORITY = 16` The type of message that can be passed to a renderer to set its priority.
`static final int`	`MSG_SET_SCALING_MODE = 4` The type of a message that can be passed to a `MediaCodec`-based video renderer via `createMessage`.
`static final int`	`MSG_SET_SCRUBBING_MODE = 18` The type of message that can be passed to a renderer to direct it to enable or disable scrubbing mode.
`static final int`	`MSG_SET_SKIP_SILENCE_ENABLED = 9` The type of a message that can be passed to an audio renderer via `createMessage`.
`static final int`	`MSG_SET_VIDEO_EFFECTS = 13` The type of a message that can be passed to a video renderer.
`static final int`	`MSG_SET_VIDEO_FRAME_METADATA_LISTENER = 7` The type of a message that can be passed to a video renderer via `createMessage`.
`static final int`	`MSG_SET_VIDEO_OUTPUT = 1` The type of a message that can be passed to a video renderer via `createMessage`.
`static final 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.
`static final int`	`MSG_SET_VOLUME = 2` A type of a message that can be passed to an audio renderer via `createMessage`.
`static final 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.
`static final int`	`MSG_TRANSFER_RESOURCES = 17` The type of message that can be passed to a renderer to direct it to transfer relevant resources to another renderer.
`static final int`	`STATE_DISABLED = 0` The renderer is disabled.
`static final int`	`STATE_ENABLED = 1` The renderer is enabled but not started.
`static final int`	`STATE_STARTED = 2` The renderer is started.

From androidx.media3.exoplayer.RendererCapabilities

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

Inherited fields

From androidx.media3.exoplayer.BaseRenderer

`@MonotonicNonNull Clock`	`@MonotonicNonNull clock`
`@Nullable RendererConfiguration`	`configuration`
`final FormatHolder`	`formatHolder`
`int`	`index`
`long`	`lastResetPositionUs`
`@Nullable MediaSource.MediaPeriodId`	`mediaPeriodId`
`@MonotonicNonNull PlayerId`	`@MonotonicNonNull playerId`
`long`	`readingPositionUs`
`int`	`state`
`@Nullable SampleStream`	`stream`
`@Nullable Format[]`	`streamFormats`
`long`	`streamOffsetUs`
`Timeline`	`timeline`
`final int`	`@C.TrackType trackType`

From androidx.media3.test.utils.FakeRenderer

`int`	`enabledCount`
`List<Format>`	`formatsRead`
`boolean`	`isEnded`
`boolean`	`isInitialized`
`boolean`	`isReleased`
`int`	`positionResetCount`
`int`	`resetCount`
`int`	`sampleBufferReadCount`

Inherited methods

From androidx.media3.exoplayer.BaseRenderer

`final void`	`clearListener()` Clears the `Listener`.
`final ExoPlaybackException`	`createRendererException( Throwable cause, @Nullable Format format, @PlaybackException.ErrorCode int errorCode )` Creates an `ExoPlaybackException` of type `TYPE_RENDERER` for this renderer.
`final ExoPlaybackException`	`createRendererException( Throwable cause, @Nullable Format format, boolean isRecoverable, @PlaybackException.ErrorCode int errorCode )` Creates an `ExoPlaybackException` of type `TYPE_RENDERER` for this renderer.
`final void`	`disable()` Disable the renderer, transitioning it to the `STATE_DISABLED` state.
`final void`	`enable( RendererConfiguration configuration, Format[] formats, SampleStream stream, long positionUs, boolean joining, boolean mayRenderStartOfStream, long startPositionUs, long offsetUs, MediaSource.MediaPeriodId mediaPeriodId )` Enables the renderer to consume from the specified `SampleStream`.
`final RendererCapabilities`	`getCapabilities()` Returns the capabilities of the renderer.
`final Clock`	`getClock()` Returns the `Clock`.
`final RendererConfiguration`	`getConfiguration()` Returns the configuration set when the renderer was most recently enabled.
`final FormatHolder`	`getFormatHolder()` Returns a clear `FormatHolder`.
`final int`	`getIndex()` Returns the index of the renderer within the player.
`final long`	`getLastResetPositionUs()` Returns the position passed to the most recent call to `enable` or resetPosition.
`@Nullable MediaClock`	`getMediaClock()` If the renderer advances its own playback position then this method returns a corresponding `MediaClock`.
`final @Nullable MediaSource.MediaPeriodId`	`getMediaPeriodId()` The `MediaSource.MediaPeriodId` of the `MediaPeriod` producing the `stream`, or `null` if the renderer is disabled.
`final PlayerId`	`getPlayerId()` Returns the `PlayerId` of the player using this renderer.
`final 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.
`final int`	`getState()` Returns the current state of the renderer.
`final @Nullable SampleStream`	`getStream()` Returns the `SampleStream` being consumed, or null if the renderer is disabled.
`final Format[]`	`getStreamFormats()` Returns the formats of the currently enabled stream.
`final long`	`getStreamOffsetUs()` Returns the offset added to timestamps of buffers read from the `SampleStream`.
`final Timeline`	`getTimeline()` Returns the current `Timeline` containing the rendered stream.
`final int`	`@C.TrackType getTrackType()` Returns the track type that the renderer handles.
`final boolean`	`hasReadStreamToEnd()` Returns whether the renderer has read the current `SampleStream` to the end.
`final void`	`init(int index, PlayerId playerId, Clock clock)` Initializes the renderer for playback with a player.
`final boolean`	`isCurrentStreamFinal()` Returns whether the current `SampleStream` will be the final one supplied before the renderer is next disabled or reset.
`final boolean`	`isSourceReady()` Returns whether the upstream source is ready.
`final void`	`maybeThrowStreamError()` Throws an error that's preventing the renderer from reading from its `SampleStream`.
`final void`	`onRendererCapabilitiesChanged()` Called when the renderer capabilities are changed.
`void`	`onStarted()` Called when the renderer is started.
`void`	`onTimelineChanged(Timeline timeline)` Called when a new timeline is `set`.
`final int`	`@SampleStream.ReadDataResult readSource( FormatHolder formatHolder, DecoderInputBuffer buffer, @SampleStream.ReadFlags int readFlags )` Reads from the enabled upstream source.
`final void`	`release()` Releases the renderer.
`final void`	`replaceStream( Format[] formats, SampleStream stream, long startPositionUs, long offsetUs, MediaSource.MediaPeriodId mediaPeriodId )` Replaces the `SampleStream` from which samples will be consumed.
`final void`	`reset()` Forces the renderer to give up any resources (e.g. media decoders) that it may be holding.
`final void`	`resetPosition(long positionUs)` Signals to the renderer that a position discontinuity has occurred.
`final void`	`setCurrentStreamFinal()` Signals to the renderer that the current `SampleStream` will be the final one supplied before it is next disabled or reset.
`final void`	`setListener(RendererCapabilities.Listener listener)` Sets the `Listener`.
`final void`	`setTimeline(Timeline timeline)` Sets the timeline that is currently being played.
`int`	`skipSource(long positionUs)` Attempts to skip to the keyframe before the specified position, or to the end of the stream if `positionUs` is beyond it.
`final void`	`start()` Starts the renderer, meaning that calls to `render` will cause media to be rendered.
`final void`	`stop()` Stops the renderer, transitioning it to the `STATE_ENABLED` state.
`int`	`@RendererCapabilities.AdaptiveSupport supportsMixedMimeTypeAdaptation()` Returns the extent to which the `Renderer` supports adapting between supported formats that have different MIME types.

From androidx.media3.test.utils.FakeRenderer

`List<Format>`	`getFormatsRead()` Returns the list of formats read by the renderer.
`String`	`getName()` Returns the name of this renderer, for logging and debugging purposes.
`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.
`void`	`onInit()` Called when the renderer is initialized.
`void`	`onRelease()` Called when the renderer is released.
`void`	`onReset()` Called when the renderer is reset.
`void`	`render(long positionUs, long elapsedRealtimeUs)` Incrementally renders the `SampleStream`.
`int`	`@RendererCapabilities.Capabilities supportsFormat(Format format)` Returns the extent to which the `Renderer` supports a given format.

From androidx.media3.exoplayer.Renderer

`abstract void`	`enable( RendererConfiguration configuration, Format[] formats, SampleStream stream, long positionUs, boolean joining, boolean mayRenderStartOfStream, long startPositionUs, long offsetUs, MediaSource.MediaPeriodId mediaPeriodId )` Enables the renderer to consume from the specified `SampleStream`.
`void`	`enableMayRenderStartOfStream()` Enables this renderer to render the start of the stream even if the state is not `STATE_STARTED` yet.
`long`	`getDurationToProgressUs(long positionUs, long elapsedRealtimeUs)` Returns minimum amount of playback clock time that must pass in order for the `render` call to make progress.
`abstract void`	`replaceStream( Format[] formats, SampleStream stream, long startPositionUs, long offsetUs, MediaSource.MediaPeriodId mediaPeriodId )` Replaces the `SampleStream` from which samples will be consumed.
`void`	`setPlaybackSpeed(float currentPlaybackSpeed, float targetPlaybackSpeed)` Indicates the playback speed to this renderer.

From androidx.media3.exoplayer.RendererCapabilities

`static int`	`@RendererCapabilities.Capabilities create(@C.FormatSupport int formatSupport)` Returns `Capabilities` for the given `C.FormatSupport`.
`static int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport int formatSupport, @RendererCapabilities.AdaptiveSupport int adaptiveSupport, @RendererCapabilities.TunnelingSupport int tunnelingSupport )` Returns `Capabilities` combining the given `C.FormatSupport`, and `TunnelingSupport`.
`static int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport int formatSupport, @RendererCapabilities.AdaptiveSupport int adaptiveSupport, @RendererCapabilities.TunnelingSupport int tunnelingSupport, @RendererCapabilities.AudioOffloadSupport int audioOffloadSupport )` Returns `Capabilities` combining the given `C.FormatSupport`, , `TunnelingSupport`, and `AudioOffloadSupport`.
`static int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport int formatSupport, @RendererCapabilities.AdaptiveSupport int adaptiveSupport, @RendererCapabilities.TunnelingSupport int tunnelingSupport, @RendererCapabilities.HardwareAccelerationSupport int hardwareAccelerationSupport, @RendererCapabilities.DecoderSupport int decoderSupport )` Returns `Capabilities` combining the given `C.FormatSupport`, , `TunnelingSupport`, `HardwareAccelerationSupport`, and .
`static int`	`@RendererCapabilities.Capabilities create( @C.FormatSupport int formatSupport, @RendererCapabilities.AdaptiveSupport int adaptiveSupport, @RendererCapabilities.TunnelingSupport int tunnelingSupport, @RendererCapabilities.HardwareAccelerationSupport int hardwareAccelerationSupport, @RendererCapabilities.DecoderSupport int decoderSupport, @RendererCapabilities.AudioOffloadSupport int audioOffloadSupport )` Returns `Capabilities` combining the given `C.FormatSupport`, , `TunnelingSupport`, `HardwareAccelerationSupport`, and `AudioOffloadSupport`.
`static int`	`@RendererCapabilities.AdaptiveSupport getAdaptiveSupport(@RendererCapabilities.Capabilities int supportFlags)` Returns the `AdaptiveSupport` from the combined `Capabilities`.
`static int`	`@RendererCapabilities.AudioOffloadSupport getAudioOffloadSupport( @RendererCapabilities.Capabilities int supportFlags )` Returns the `AudioOffloadSupport` from the combined `Capabilities`.
`static int`	`@RendererCapabilities.DecoderSupport getDecoderSupport(@RendererCapabilities.Capabilities int supportFlags)` Returns the `DecoderSupport` from the combined `Capabilities`.
`static int`	`@C.FormatSupport getFormatSupport(@RendererCapabilities.Capabilities int supportFlags)` Returns the `C.FormatSupport` from the combined `Capabilities`.
`static int`	`@RendererCapabilities.HardwareAccelerationSupport getHardwareAccelerationSupport( @RendererCapabilities.Capabilities int supportFlags )` Returns the `HardwareAccelerationSupport` from the combined `Capabilities`.
`static int`	`@RendererCapabilities.TunnelingSupport getTunnelingSupport(@RendererCapabilities.Capabilities int supportFlags)` Returns the `TunnelingSupport` from the combined `Capabilities`.
`static boolean`	`isFormatSupported( @RendererCapabilities.Capabilities int supportFlags, boolean allowExceedsCapabilities )` Returns whether the `C.FormatSupport` from the combined `Capabilities` indicates the format is supported.
`void`	`setListener(RendererCapabilities.Listener listener)` Sets the `Listener`.

Public constructors

FakeVideoRenderer

public FakeVideoRenderer(
    HandlerWrapper handler,
    VideoRendererEventListener eventListener
)

Public methods

handleMessage

public void handleMessage(
    @Renderer.MessageType int messageType,
    @Nullable Object message
)

Handles a message delivered to the target.

Parameters
`@Renderer.MessageType int messageType`	The message type.
`@Nullable Object message`	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.

Protected methods

onDisabled

protected void onDisabled()

Called when the renderer is disabled.

The default implementation is a no-op.

onEnabled

protected void onEnabled(boolean joining, boolean mayRenderStartOfStream)

Called when the renderer is enabled.

The default implementation is a no-op.

Parameters
`boolean joining`	Whether this renderer is being enabled to join an ongoing playback.
`boolean mayRenderStartOfStream`	Whether this renderer is allowed to render the start of the stream even if the state is not `STATE_STARTED` yet.

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

onFormatChanged

protected void onFormatChanged(Format format)

Called when the renderer reads a new format.

onPositionReset

protected void onPositionReset(long positionUs, boolean joining)

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

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

The default implementation is a no-op.

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

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

onStopped

protected void onStopped()

Called when the renderer is stopped.

The default implementation is a no-op.

onStreamChanged

protected void onStreamChanged(
    Format[] formats,
    long startPositionUs,
    long offsetUs,
    MediaSource.MediaPeriodId mediaPeriodId
)

Called when the renderer's stream has changed. This occurs when the renderer is enabled after onEnabled has been called, and also when the stream has been replaced whilst the renderer is enabled or started.

The default implementation is a no-op.

Parameters
`Format[] formats`	The enabled formats.
`long startPositionUs`	The start position of the new stream in renderer time (microseconds).
`long offsetUs`	The offset that will be added to the timestamps of buffers read via `readSource` so that decoder input buffers have monotonically increasing timestamps.
`MediaSource.MediaPeriodId mediaPeriodId`	The `MediaSource.MediaPeriodId` of the `MediaPeriod` that produces the stream.

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

shouldProcessBuffer

protected boolean shouldProcessBuffer(long bufferTimeUs, long playbackPositionUs)

Called before the renderer processes a buffer.

Parameters
`long bufferTimeUs`	The buffer timestamp, in microseconds.
`long playbackPositionUs`	The playback position, in microseconds

Returns
`boolean`	Whether the buffer should be processed.