java.lang.Object
- com.google.android.exoplayer2.BaseRenderer
- - com.google.android.exoplayer2.video.DecoderVideoRenderer
  - - com.google.android.exoplayer2.ext.av1.Libgav1VideoRenderer

All Implemented Interfaces:

PlayerMessage.Target, Renderer, RendererCapabilities
```
public class Libgav1VideoRenderer
extends DecoderVideoRenderer
```
Decodes and renders video using libgav1 decoder.

Nested Class Summary
- Nested classes/interfaces inherited from interface com.google.android.exoplayer2.Renderer
  Renderer.State, Renderer.VideoScalingMode, Renderer.WakeupListener
- Nested classes/interfaces inherited from interface com.google.android.exoplayer2.RendererCapabilities
  RendererCapabilities.AdaptiveSupport, RendererCapabilities.Capabilities, RendererCapabilities.FormatSupport, RendererCapabilities.TunnelingSupport

Field Summary

Fields
Modifier and Type Field Description

static int THREAD_COUNT_AUTODETECT
Attempts to use as many threads as performance processors available on the device.
- Fields inherited from class com.google.android.exoplayer2.video.DecoderVideoRenderer
  decoderCounters
- Fields inherited from interface com.google.android.exoplayer2.Renderer
  MSG_CUSTOM_BASE, MSG_SET_AUDIO_ATTRIBUTES, MSG_SET_AUDIO_SESSION_ID, MSG_SET_AUX_EFFECT_INFO, MSG_SET_CAMERA_MOTION_LISTENER, MSG_SET_SCALING_MODE, MSG_SET_SKIP_SILENCE_ENABLED, MSG_SET_VIDEO_FRAME_METADATA_LISTENER, MSG_SET_VIDEO_OUTPUT, MSG_SET_VOLUME, MSG_SET_WAKEUP_LISTENER, STATE_DISABLED, STATE_ENABLED, STATE_STARTED, VIDEO_SCALING_MODE_DEFAULT, VIDEO_SCALING_MODE_SCALE_TO_FIT, VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING
- Fields inherited from interface com.google.android.exoplayer2.RendererCapabilities
  ADAPTIVE_NOT_SEAMLESS, ADAPTIVE_NOT_SUPPORTED, ADAPTIVE_SEAMLESS, ADAPTIVE_SUPPORT_MASK, FORMAT_EXCEEDS_CAPABILITIES, FORMAT_HANDLED, FORMAT_SUPPORT_MASK, FORMAT_UNSUPPORTED_DRM, FORMAT_UNSUPPORTED_SUBTYPE, FORMAT_UNSUPPORTED_TYPE, TUNNELING_NOT_SUPPORTED, TUNNELING_SUPPORT_MASK, TUNNELING_SUPPORTED

Constructor Summary

Constructors
Constructor	Description
`Libgav1VideoRenderer(long allowedJoiningTimeMs, Handler eventHandler, VideoRendererEventListener eventListener, int maxDroppedFramesToNotify)`	Creates a new instance.
`Libgav1VideoRenderer(long allowedJoiningTimeMs, Handler eventHandler, VideoRendererEventListener eventListener, int maxDroppedFramesToNotify, int threads, int numInputBuffers, int numOutputBuffers)`	Creates a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected DecoderReuseEvaluation`	`canReuseDecoder(String decoderName, Format oldFormat, Format newFormat)`	Evaluates whether the existing decoder can be reused for a new `Format`.
`protected Gav1Decoder`	`createDecoder(Format format, ExoMediaCrypto mediaCrypto)`	Creates a decoder for the given format.
`String`	`getName()`	Returns the name of this renderer, for logging and debugging purposes.
`protected void`	`renderOutputBufferToSurface(VideoDecoderOutputBuffer outputBuffer, Surface surface)`	Renders the specified output buffer to the passed surface.
`protected void`	`setDecoderOutputMode(int outputMode)`	Sets output mode of the decoder.
`int`	`supportsFormat(Format format)`	Returns the extent to which the `Renderer` supports a given format.

Methods inherited from class com.google.android.exoplayer2.video.DecoderVideoRenderer
dropOutputBuffer, flushDecoder, handleMessage, isEnded, isReady, maybeDropBuffersToKeyframe, onDisabled, onEnabled, onInputFormatChanged, onPositionReset, onProcessedOutputBuffer, onQueueInputBuffer, onStarted, onStopped, onStreamChanged, releaseDecoder, render, renderOutputBuffer, setOutput, shouldDropBuffersToKeyframe, shouldDropOutputBuffer, shouldForceRenderOutputBuffer, skipOutputBuffer, updateDroppedBufferCounters

Methods inherited from class com.google.android.exoplayer2.BaseRenderer
createRendererException, createRendererException, disable, enable, getCapabilities, getConfiguration, getFormatHolder, getIndex, getLastResetPositionUs, getMediaClock, getReadingPositionUs, getState, getStream, getStreamFormats, getTrackType, hasReadStreamToEnd, isCurrentStreamFinal, isSourceReady, maybeThrowStreamError, onReset, readSource, replaceStream, reset, resetPosition, setCurrentStreamFinal, setIndex, skipSource, start, stop, supportsMixedMimeTypeAdaptation

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

Methods inherited from interface com.google.android.exoplayer2.Renderer
setPlaybackSpeed

- Field Detail
  - THREAD_COUNT_AUTODETECT
```
public static final int THREAD_COUNT_AUTODETECT
```
    Attempts to use as many threads as performance processors available on the device. If the number of performance processors cannot be detected, the number of available processors is used.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Libgav1VideoRenderer
```
public Libgav1VideoRenderer(long allowedJoiningTimeMs,
                            @Nullable
                            Handler eventHandler,
                            @Nullable
                            VideoRendererEventListener eventListener,
                            int maxDroppedFramesToNotify)
```
    Creates a new instance.
    
    Parameters:
    
    allowedJoiningTimeMs - The maximum duration in milliseconds for which this video renderer can attempt to seamlessly join an ongoing playback.
    
    eventHandler - A handler to use when delivering events to eventListener. May be null if delivery of events is not required.
    
    eventListener - A listener of events. May be null if delivery of events is not required.
    
    maxDroppedFramesToNotify - The maximum number of frames that can be dropped between invocations of VideoRendererEventListener.onDroppedFrames(int, long).
  - Libgav1VideoRenderer
```
public Libgav1VideoRenderer(long allowedJoiningTimeMs,
                            @Nullable
                            Handler eventHandler,
                            @Nullable
                            VideoRendererEventListener eventListener,
                            int maxDroppedFramesToNotify,
                            int threads,
                            int numInputBuffers,
                            int numOutputBuffers)
```
    Creates a new instance.
    
    Parameters:
    
    allowedJoiningTimeMs - The maximum duration in milliseconds for which this video renderer can attempt to seamlessly join an ongoing playback.
    
    eventHandler - A handler to use when delivering events to eventListener. May be null if delivery of events is not required.
    
    eventListener - A listener of events. May be null if delivery of events is not required.
    
    maxDroppedFramesToNotify - The maximum number of frames that can be dropped between invocations of VideoRendererEventListener.onDroppedFrames(int, long).
    
    threads - Number of threads libgav1 will use to decode. If THREAD_COUNT_AUTODETECT is passed, then the number of threads to use is autodetected based on CPU capabilities.
    
    numInputBuffers - Number of input buffers.
    
    numOutputBuffers - Number of output buffers.
- Method Detail
  - getName
```
public String getName()
```
    Description copied from interface: Renderer
    
    Returns the name of this renderer, for logging and debugging purposes. Should typically be the renderer's (un-obfuscated) class name.
    
    Returns:
    
    The name of this renderer.
  - supportsFormat
```
@Capabilities
public final int supportsFormat(Format format)
```
    Description copied from interface: RendererCapabilities
    
    Returns the extent to which the Renderer supports a given format.
    
    Parameters:
    
    format - The format.
    
    Returns:
    
    The RendererCapabilities.Capabilities for this format.
  - createDecoder
```
protected Gav1Decoder createDecoder(Format format,
                                    @Nullable
                                    ExoMediaCrypto mediaCrypto)
                             throws Gav1DecoderException
```
    Description copied from class: DecoderVideoRenderer
    
    Creates a decoder for the given format.
    
    Specified by:
    
    createDecoder in class DecoderVideoRenderer
    
    Parameters:
    
    format - The format for which a decoder is required.
    
    mediaCrypto - The ExoMediaCrypto object required for decoding encrypted content. May be null and can be ignored if decoder does not handle encrypted content.
    
    Returns:
    
    The decoder.
    
    Throws:
    
    Gav1DecoderException
  - renderOutputBufferToSurface
```
protected void renderOutputBufferToSurface(VideoDecoderOutputBuffer outputBuffer,
                                           Surface surface)
                                    throws Gav1DecoderException
```
    Description copied from class: DecoderVideoRenderer
    
    Renders the specified output buffer to the passed surface.
    The implementation of this method takes ownership of the output buffer and is responsible for calling VideoDecoderOutputBuffer.release() either immediately or in the future.
    
    Specified by:
    
    renderOutputBufferToSurface in class DecoderVideoRenderer
    
    Parameters:
    
    outputBuffer - VideoDecoderOutputBuffer to render.
    
    surface - Output Surface.
    
    Throws:
    
    Gav1DecoderException
  - setDecoderOutputMode
```
protected void setDecoderOutputMode(@VideoOutputMode
                                    int outputMode)
```
    Description copied from class: DecoderVideoRenderer
    
    Sets output mode of the decoder.
    
    Specified by:
    
    setDecoderOutputMode in class DecoderVideoRenderer
    
    Parameters:
    
    outputMode - Output mode.
  - canReuseDecoder
```
protected DecoderReuseEvaluation canReuseDecoder(String decoderName,
                                                 Format oldFormat,
                                                 Format newFormat)
```
    Description copied from class: DecoderVideoRenderer
    
    Evaluates whether the existing decoder can be reused for a new Format.
    The default implementation does not allow decoder reuse.
    
    Overrides:
    
    canReuseDecoder in class DecoderVideoRenderer
    
    oldFormat - The previous format.
    
    newFormat - The new format.
    
    Returns:
    
    The result of the evaluation.

Class Libgav1VideoRenderer

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.android.exoplayer2.Renderer

Nested classes/interfaces inherited from interface com.google.android.exoplayer2.RendererCapabilities

Field Summary

Fields inherited from class com.google.android.exoplayer2.video.DecoderVideoRenderer

Fields inherited from interface com.google.android.exoplayer2.Renderer

Fields inherited from interface com.google.android.exoplayer2.RendererCapabilities

Constructor Summary

Method Summary

Methods inherited from class com.google.android.exoplayer2.video.DecoderVideoRenderer

Methods inherited from class com.google.android.exoplayer2.BaseRenderer

Methods inherited from class java.lang.Object

Methods inherited from interface com.google.android.exoplayer2.Renderer

Field Detail

THREAD_COUNT_AUTODETECT

Constructor Detail

Libgav1VideoRenderer

Libgav1VideoRenderer

Method Detail

getName

supportsFormat

createDecoder

renderOutputBufferToSurface

setDecoderOutputMode

canReuseDecoder