Paket | org.osmf.net.httpstreaming |
Sınıf | public class DefaultHTTPStreamingSwitchManager |
Miras Alma | DefaultHTTPStreamingSwitchManager RuleSwitchManagerBase NetStreamSwitchManagerBase EventDispatcher Object |
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
İlgili API Öğeleri
org.osmf.net.abr.RuleBase
Özellik | Tanımlayan: | ||
---|---|---|---|
actualIndex : int [salt okunur]
The index of the currently downloading quality level
| RuleSwitchManagerBase | ||
autoSwitch : Boolean [geçersiz kıl] | RuleSwitchManagerBase | ||
climbFactor : Number
A factor to be applied when switching up. | DefaultHTTPStreamingSwitchManager | ||
constructor : Object
Belirli bir nesne örneği için sınıf nesnesine veya yapıcı işlevine bir başvuru. | Object | ||
currentIndex : uint [geçersiz kıl] [salt okunur] | RuleSwitchManagerBase | ||
emergencyRules : Vector.<RuleBase> [salt okunur]
Array of normal rules to be used in the algorithm. | RuleSwitchManagerBase | ||
maxAllowedIndex : int
The highest stream index that the switching manager is
allowed to switch to. | NetStreamSwitchManagerBase | ||
maxDownSwitchLimit : int
The maximum difference between the indices of the old
and new quality level when switching down. | DefaultHTTPStreamingSwitchManager | ||
maxReliabilityRecordSize : uint
The maximum length of the reliability record (how many switches to remember)
| DefaultHTTPStreamingSwitchManager | ||
maxUpSwitchLimit : int
The maximum difference between the indices of the old
and new quality level when switching up. | DefaultHTTPStreamingSwitchManager | ||
metricRepository : MetricRepository [salt okunur]
The metric repository responsible with providing the metrics
| RuleSwitchManagerBase | ||
minReliability : Number
The minimum reliability for a quality level to be used. | DefaultHTTPStreamingSwitchManager | ||
minReliabilityRecordSize : uint
The minimum length of the reliability record below which reliability is not an issue
| DefaultHTTPStreamingSwitchManager | ||
normalRules : Vector.<RuleBase> [salt okunur]
Array of normal rules to be used in the algorithm. | DefaultHTTPStreamingSwitchManager | ||
normalRuleWeights : Vector.<Number>
The weights of the normal rules (their importance in the algorithm).
Valid values must obey the following rules:
same number of weights as there are rules
all rules must be equal or greater than zero
at least one weight must be non-zero
| DefaultHTTPStreamingSwitchManager |
Yöntem | Tanımlayan: | ||
---|---|---|---|
DefaultHTTPStreamingSwitchManager(notifier:EventDispatcher, switcher:NetStreamSwitcher, metricRepository:MetricRepository, emergencyRules:Vector.<RuleBase> = null, autoSwitch:Boolean = true, normalRules:Vector.<RuleBase> = null, normalRuleWeights:Vector.<Number> = null, minReliability:Number = 0.85, minReliabilityRecordSize:uint = 5, maxReliabilityRecordSize:uint = 30, climbFactor:Number = 0.9, maxUpSwitchLimit:int = 1, maxDownSwitchLimit:int = 2)
Constructor. | DefaultHTTPStreamingSwitchManager | ||
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
EventDispatcher nesnesi olan bir olay dinleyici nesnesini, dinleyicinin bir olayın bildirimini alması için kaydeder. | EventDispatcher | ||
Olay akışına bir olay gönderir. | EventDispatcher | ||
The current reliability of the specified index. | DefaultHTTPStreamingSwitchManager | ||
[geçersiz kıl]
Returns an index that satisfies the maxBitrate constraint
| DefaultHTTPStreamingSwitchManager | ||
[geçersiz kıl]
Computes the necessary rules and metrics and determines the index to switch to. | DefaultHTTPStreamingSwitchManager | ||
EventDispatcher nesnesinin belirli bir olay türü için kayıtlı dinleyicisi olup olmadığını kontrol eder. | EventDispatcher | ||
Bir nesnenin belirli bir özelliğinin tanımlı olup olmadığını gösterir. | Object | ||
Object sınıfının bir örneğinin parametre olarak belirtilen nesnenin prototip zincirinde olup olmadığını gösterir. | Object | ||
Belirtilen özelliğin bulunup bulunmadığını ve numaralandırılabilir olup olmadığını gösterir. | Object | ||
EventDispatcher nesnesinden bir dinleyiciyi kaldırır. | EventDispatcher | ||
Dinamik bir özelliğin döngü işlemlerinde kullanılabilirliğini ayarlar. | Object | ||
[geçersiz kıl] | RuleSwitchManagerBase | ||
Bu nesnenin, yerel ayara özel kurallara göre biçimlendirilmiş dize temsilini döndürür. | Object | ||
Belirtilen nesnenin dize olarak temsil edilen halini döndürür. | Object | ||
Belirtilen nesnenin temel değerini döndürür. | Object | ||
Bir olay dinleyicisinin bu EventDispatcher nesnesiyle mi, yoksa onun belirtilen olay türüne yönelik üst öğelerinden biriyle mi kayıtlı olduğunu kontrol eder. | EventDispatcher |
Yöntem | Tanımlayan: | ||
---|---|---|---|
Determines maximum available index whose declared bitrate is smaller than maxBitrate. | DefaultHTTPStreamingSwitchManager | ||
Determines whether an index is reliable.
This is achieved by comparing the index's reliability with the minimumReliability
| DefaultHTTPStreamingSwitchManager | ||
Array of normal rules to be used in the algorithm. | DefaultHTTPStreamingSwitchManager |
climbFactor | özellik |
climbFactor:Number
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
A factor to be applied when switching up. For example: currently playing 300kbps; new ideal bitrate = 1000kbps This means that: max bitrate = 300 + climbFactor x (1000 - 300)
It must be equal or greater than 0
Uygulama
public function get climbFactor():Number
public function set climbFactor(value:Number):void
Atar
ArgumentError — If it is set to a negative value
|
maxDownSwitchLimit | özellik |
maxDownSwitchLimit:int
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
The maximum difference between the indices of the old and new quality level when switching down. Set this to a -1 to disable the constraint.
This works in conjunction with the reliability constraint. If no reliable stream is available inside the maxDownSwitchLimit, no switch will be performed. The maxDownSwitchLimit constraint does not apply to emergency switches.
Uygulama
public function get maxDownSwitchLimit():int
public function set maxDownSwitchLimit(value:int):void
maxReliabilityRecordSize | özellik |
maxReliabilityRecordSize:uint
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
The maximum length of the reliability record (how many switches to remember)
Uygulama
public function get maxReliabilityRecordSize():uint
public function set maxReliabilityRecordSize(value:uint):void
maxUpSwitchLimit | özellik |
maxUpSwitchLimit:int
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
The maximum difference between the indices of the old and new quality level when switching up. Set this to a -1 to disable the constraint.
This works in conjunction with the reliability constraint. If no reliable stream is available inside the maxUpSwitchLlimit, no switch will be performed.
Uygulama
public function get maxUpSwitchLimit():int
public function set maxUpSwitchLimit(value:int):void
minReliability | özellik |
minReliability:Number
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
The minimum reliability for a quality level to be used. This value must be a number in the [0-1] interval (inclusive)
Uygulama
public function get minReliability():Number
public function set minReliability(value:Number):void
Atar
ArgumentError — If it is set to an invalid value
|
minReliabilityRecordSize | özellik |
minReliabilityRecordSize:uint
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
The minimum length of the reliability record below which reliability is not an issue
Uygulama
public function get minReliabilityRecordSize():uint
public function set minReliabilityRecordSize(value:uint):void
normalRules | özellik |
normalRules:Vector.<RuleBase>
[salt okunur] Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
Array of normal rules to be used in the algorithm. A normal rule can recommend both lower and higher bitrates than the current one
Uygulama
public function get normalRules():Vector.<RuleBase>
normalRuleWeights | özellik |
normalRuleWeights:Vector.<Number>
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
The weights of the normal rules (their importance in the algorithm). Valid values must obey the following rules:
- same number of weights as there are rules
- all rules must be equal or greater than zero
- at least one weight must be non-zero
Uygulama
public function get normalRuleWeights():Vector.<Number>
public function set normalRuleWeights(value:Vector.<Number>):void
Atar
ArgumentError — If the weights are not valid,
by breaking at least one of the above criteria
|
DefaultHTTPStreamingSwitchManager | () | Yapıcı |
public function DefaultHTTPStreamingSwitchManager(notifier:EventDispatcher, switcher:NetStreamSwitcher, metricRepository:MetricRepository, emergencyRules:Vector.<RuleBase> = null, autoSwitch:Boolean = true, normalRules:Vector.<RuleBase> = null, normalRuleWeights:Vector.<Number> = null, minReliability:Number = 0.85, minReliabilityRecordSize:uint = 5, maxReliabilityRecordSize:uint = 30, climbFactor:Number = 0.9, maxUpSwitchLimit:int = 1, maxDownSwitchLimit:int = 2)
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
Constructor.
Parametrelernotifier:EventDispatcher — An object that dispatches the HTTPStreamingEvent.RUN_ALGORITHM event
| |
switcher:NetStreamSwitcher — The NetStreamSwitcher to use for switching
| |
metricRepository:MetricRepository — The repository responsible with providing metrics
| |
emergencyRules:Vector.<RuleBase> (default = null ) — Array of rules to be used in the algorithm.
An emergency rule can only recommend lower bitrates than the current one.
| |
autoSwitch:Boolean (default = true ) — Flag deciding whether autoSwitch should be enabled
| |
normalRules:Vector.<RuleBase> (default = null ) — Array of normal rules to be used in the algorithm.
A normal rule can recommend both lower and higher bitrates than the current one.
| |
normalRuleWeights:Vector.<Number> (default = null ) — The weights of the normal rules (their importance in the algorithm)
| |
minReliability:Number (default = 0.85 ) — The minimum reliability for a quality level to be used
| |
minReliabilityRecordSize:uint (default = 5 ) — The maximum length of the reliability record (how many switches to remember)
| |
maxReliabilityRecordSize:uint (default = 30 ) — The minimum length of the reliability record below which reliability is not an issue
| |
climbFactor:Number (default = 0.9 ) — A factor to be applied when switching up. For example:
currently playing 300kbps; new ideal bitrate = 1000kbps
This means that: max bitrate = 300 + climbFactor x (1000 - 300)
| |
maxUpSwitchLimit:int (default = 1 ) — The maximum difference between the indices of the old and new quality level when switching up.
Set this to -1 to disable the constraint.
This works in conjunction with the reliability constraint. If no reliable stream is available inside the
maxUpSwitchLimit, no switch will be performed.
| |
maxDownSwitchLimit:int (default = 2 ) — The maximum difference between the indices of the old and new quality level when switching down.
Set this to -1 value to disable the constraint.
This works in conjunction with the reliability constraint. If no reliable stream is available inside the
maxDownSwitchLimit, no switch will be performed. The maxDownSwitchLimit constraint does not apply to
emergency switches.
|
getCurrentReliability | () | yöntem |
public function getCurrentReliability(index:uint):Number
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
The current reliability of the specified index.
Parametreler
index:uint |
Number — A number between 0 (most unreliable) and 1 (most reliable)
|
getMaxIndex | () | yöntem |
protected function getMaxIndex(maxBitrate:Number, emergencyFlag:Boolean = false):uint
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
Determines maximum available index whose declared bitrate is smaller than maxBitrate.
Only reliable indices (indices that pass the isReliable()
function) are taken into consideration.
Parametreler
maxBitrate:Number — The maximum bitrate to which the index must comply
| |
emergencyFlag:Boolean (default = false )
|
uint — The index satisfying the aforementioned condition
|
İlgili API Öğeleri
getNewEmergencyIndex | () | yöntem |
getNewIndex | () | yöntem |
isReliable | () | yöntem |
protected function isReliable(index:uint):Boolean
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
Determines whether an index is reliable. This is achieved by comparing the index's reliability with the minimumReliability
Parametreler
index:uint |
Boolean |
İlgili API Öğeleri
setNormalRules | () | yöntem |
protected function setNormalRules(value:Vector.<RuleBase>):void
Dil Sürümü: | ActionScript 3.0 |
Ürün Sürümü: | OSMF 2.0 |
Çalışma Zamanı Sürümleri: | Flash Player 10, AIR 1.5 |
Array of normal rules to be used in the algorithm. A normal rule can recommend both lower and higher bitrates than the current one.
Parametreler
value:Vector.<RuleBase> |
İlgili API Öğeleri
Tue Jun 12 2018, 01:09 PM Z