tv.danmaku.ijk.media.common.abr

Class DefaultBandwidthMeter

java.lang.Object

tv.danmaku.ijk.media.common.abr.DefaultBandwidthMeter

All Implemented Interfaces:

BandwidthMeter

public class DefaultBandwidthMeter
extends java.lang.Object
implements BandwidthMeter

Field Summary

Fields

Modifier and Type	Field and Description
static float	DEFAULT_BITRATE_ESTIMATE Default percentile for the bitrate estimate.
static long	DEFAULT_INITIAL_BITRATE_ESTIMATE Default initial bitrate estimate used when the device is offline or the network type cannot be determined, in bits per second.
static int	DEFAULT_SLIDING_WINDOW_MAX_WEIGHT Default maximum weight for the sliding window.
static float	DEFAULT_SLIDING_WINDOW_PERCENTILE Default percentile for the sliding window.

Constructor Summary

Constructors

Constructor and Description
DefaultBandwidthMeter()
DefaultBandwidthMeter(long bitrate, int maxWeight, float slidingPercentile, float bitratePercentile)

Method Summary

Modifier and Type	Method and Description
void	addSample(long sampleBytesTransferred, long sampleElapsedTimeMs)
long	getBitrateEstimate()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_INITIAL_BITRATE_ESTIMATE

public static final long DEFAULT_INITIAL_BITRATE_ESTIMATE

Default initial bitrate estimate used when the device is offline or the network type cannot be determined, in bits per second.

See Also:

Constant Field Values

DEFAULT_SLIDING_WINDOW_MAX_WEIGHT

public static final int DEFAULT_SLIDING_WINDOW_MAX_WEIGHT

Default maximum weight for the sliding window.

See Also:

Constant Field Values

DEFAULT_SLIDING_WINDOW_PERCENTILE

public static final float DEFAULT_SLIDING_WINDOW_PERCENTILE

Default percentile for the sliding window.

See Also:

Constant Field Values

DEFAULT_BITRATE_ESTIMATE

public static final float DEFAULT_BITRATE_ESTIMATE

Default percentile for the bitrate estimate.

See Also:

Constant Field Values

Constructor Detail

DefaultBandwidthMeter

public DefaultBandwidthMeter()

DefaultBandwidthMeter

public DefaultBandwidthMeter(long bitrate,
                             int maxWeight,
                             float slidingPercentile,
                             float bitratePercentile)

Method Detail

getBitrateEstimate

public long getBitrateEstimate()

Specified by:

getBitrateEstimate in interface BandwidthMeter

addSample

public void addSample(long sampleBytesTransferred,
                      long sampleElapsedTimeMs)

Specified by:

addSample in interface BandwidthMeter