java.lang.Object
- com.google.android.exoplayer2.upstream.experimental.PercentileTimeToFirstByteEstimator

All Implemented Interfaces:

TimeToFirstByteEstimator
```
@Deprecated
public final class PercentileTimeToFirstByteEstimator
extends Object
implements TimeToFirstByteEstimator
```
Deprecated.
com.google.android.exoplayer2 is deprecated. Please migrate to androidx.media3 (which contains the same ExoPlayer code). See the migration guide for more details, including a script to help with the migration.

Implementation of TimeToFirstByteEstimator that returns a configured percentile of a sliding window of collected response times.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`DEFAULT_MAX_SAMPLES_COUNT`	Deprecated. The default maximum number of samples.
`static float`	`DEFAULT_PERCENTILE`	Deprecated. The default percentile to return.

Constructor Summary

Constructors
Constructor	Description
`PercentileTimeToFirstByteEstimator()`	Deprecated. Creates an instance that keeps up to `DEFAULT_MAX_SAMPLES_COUNT` samples and returns the `DEFAULT_PERCENTILE` percentile.
`PercentileTimeToFirstByteEstimator(int numberOfSamples, float percentile)`	Deprecated. Creates an instance.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`long`	`getTimeToFirstByteEstimateUs()`	Deprecated. Returns the estimated time to first byte of the response body, in microseconds, or `C.TIME_UNSET` if no estimate is available.
`void`	`onTransferInitializing(DataSpec dataSpec)`	Deprecated. Called when a transfer is being initialized.
`void`	`onTransferStart(DataSpec dataSpec)`	Deprecated. Called when a transfer starts.
`void`	`reset()`	Deprecated. Resets the estimator.

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

- Field Detail
  - DEFAULT_MAX_SAMPLES_COUNT
```
public static final int DEFAULT_MAX_SAMPLES_COUNT
```
    Deprecated.
    
    The default maximum number of samples.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_PERCENTILE
```
public static final float DEFAULT_PERCENTILE
```
    Deprecated.
    
    The default percentile to return.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - PercentileTimeToFirstByteEstimator
```
public PercentileTimeToFirstByteEstimator()
```
    Deprecated.
    
    Creates an instance that keeps up to DEFAULT_MAX_SAMPLES_COUNT samples and returns the DEFAULT_PERCENTILE percentile.
  - PercentileTimeToFirstByteEstimator
```
public PercentileTimeToFirstByteEstimator(int numberOfSamples,
                                          float percentile)
```
    Deprecated.
    
    Creates an instance.
    
    Parameters:
    
    numberOfSamples - The maximum number of samples to be kept in the sliding window.
    
    percentile - The percentile for estimating the time to the first byte.
- Method Detail
  - getTimeToFirstByteEstimateUs
```
public long getTimeToFirstByteEstimateUs()
```
    Deprecated.
    
    Description copied from interface: TimeToFirstByteEstimator
    
    Returns the estimated time to first byte of the response body, in microseconds, or C.TIME_UNSET if no estimate is available.
    
    Specified by:
    
    getTimeToFirstByteEstimateUs in interface TimeToFirstByteEstimator
  - reset
```
public void reset()
```
    Deprecated.
    
    Description copied from interface: TimeToFirstByteEstimator
    
    Resets the estimator.
    
    Specified by:
    
    reset in interface TimeToFirstByteEstimator
  - onTransferInitializing
```
public void onTransferInitializing(DataSpec dataSpec)
```
    Deprecated.
    
    Description copied from interface: TimeToFirstByteEstimator
    
    Called when a transfer is being initialized.
    
    Specified by:
    
    onTransferInitializing in interface TimeToFirstByteEstimator
    
    Parameters:
    
    dataSpec - Describes the data for which the transfer is initialized.
  - onTransferStart
```
public void onTransferStart(DataSpec dataSpec)
```
    Deprecated.
    
    Description copied from interface: TimeToFirstByteEstimator
    
    Called when a transfer starts.
    
    Specified by:
    
    onTransferStart in interface TimeToFirstByteEstimator
    
    Parameters:
    
    dataSpec - Describes the data being transferred.

Class PercentileTimeToFirstByteEstimator

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_MAX_SAMPLES_COUNT

DEFAULT_PERCENTILE

Constructor Detail

PercentileTimeToFirstByteEstimator

PercentileTimeToFirstByteEstimator

Method Detail

getTimeToFirstByteEstimateUs

reset

onTransferInitializing

onTransferStart