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stroke-width: 1.0;" x1="984.5" x2="1106.5" y1="640.0938" y2="640.0938"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="85" x="996.5" y="635.1606">ackConnect()</text><polygon fill="#000000" points="858.5,675.2266,848.5,679.2266,858.5,683.2266,854.5,679.2266" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0;" x1="852.5" x2="968.5" y1="679.2266" y2="679.2266"/><polygon fill="#000000" points="1100.5,689.2266,1110.5,693.2266,1100.5,697.2266,1104.5,693.2266" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="974.5" x2="1106.5" y1="693.2266" y2="693.2266"/><polygon fill="#000000" points="1095.5,718.2266,1105.5,722.2266,1095.5,726.2266,1099.5,722.2266" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0;" x1="847.5" x2="1101.5" y1="722.2266" y2="722.2266"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="100" x="854.5" y="717.2935">asyncConnect()</text><polygon fill="#FBFB77" filter="url(#f1jw437lb3978k)" points="335,735.3594,335,866.3594,692,866.3594,692,745.3594,682,735.3594,335,735.3594" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="682" x2="682" y1="735.3594" y2="745.3594"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="692" x2="682" y1="745.3594" y2="745.3594"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="288" x="341" y="752.4263">Audio Manager have to know that Application</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="295" x="341" y="767.5591">certainly start preparing sound route, and wait</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="285" x="341" y="782.6919">proceeding until Application return feedback.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="333" x="341" y="797.8247">Main reason is to make sure that entire sound route</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="313" x="341" y="812.9575">is established before connection state transite to</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="336" x="341" y="828.0903">next phase. Otherwise it is possible for Application to</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="333" x="341" y="843.2231">face the problem that ALSA virtual device cannot be</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="270" x="341" y="858.356">opened after connection state is changed.</text><polygon fill="#000000" points="305.5,892.4219,295.5,896.4219,305.5,900.4219,301.5,896.4219" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0;" x1="299.5" x2="1106.5" y1="896.4219" y2="896.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="100" x="311.5" y="891.4888">asyncConnect()</text><polygon fill="#000000" points="61.5,921.5547,51.5,925.5547,61.5,929.5547,57.5,925.5547" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0;" x1="55.5" x2="283.5" y1="925.5547" y2="925.5547"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="140" x="67.5" y="920.6216">event [asyncConnect]</text><polygon fill="#000000" points="858.5,965.6875,848.5,969.6875,858.5,973.6875,854.5,969.6875" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="852.5" x2="1111.5" y1="969.6875" y2="969.6875"/><polygon fill="#000000" points="1095.5,994.6875,1105.5,998.6875,1095.5,1002.6875,1099.5,998.6875" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0;" x1="294.5" x2="1101.5" y1="998.6875" y2="998.6875"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="85" x="301.5" y="993.7544">ackConnect()</text><polygon fill="#000000" points="562.5,1038.8203,552.5,1042.8203,562.5,1046.8203,558.5,1042.8203" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0;" x1="556.5" x2="836.5" y1="1042.8203" y2="1042.8203"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="214" x="568.5" y="1022.8872">cbMainConnectionStateChanged(</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="112" x="584.5" y="1038.02">CS_SUSPENDED)</text><polygon fill="#000000" points="830.5,1078.0859,840.5,1082.0859,830.5,1086.0859,834.5,1082.0859" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="546.5" x2="836.5" y1="1082.0859" y2="1082.0859"/><polygon fill="#000000" points="300.5,1092.0859,290.5,1096.0859,300.5,1100.0859,296.5,1096.0859" style="stroke: #000000; stroke-width: 1.0;"/><line style="stroke: #000000; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="294.5" x2="1111.5" y1="1096.0859" y2="1096.0859"/><!-- +@startuml
+hide footbox
+
+'skinparam defaultFontSize 10
+skinparam backgroundColor #EEEBDC
+skinparam sequenceGroupHeaderFontSize 12
+
+skinparam sequence {
+ ArrowColor black
+
+ ActorBorderColor black
+
+ LifeLineBorderColor #404040
+ LifeLineBackgroundColor #404040
+
+ ParticipantBorderColor black
+ ParticipantBackgroundColor #00FF00
+ ParticipantFontSize 12
+ ParticipantFontColor black
+
+ ActorBackgroundColor #FFFACD
+ ActorFontColor black
+ ActorFontSize 12
+
+
+ BoxBorderColor #deb887
+ BoxFontSize 12
+ TitleFontSize 20
+}
+
+
+actor Application as AP
+participant SoundManager as SM
+box "CommandPlugIn" #EEEBDC
+ participant IAmCommandSend as CS
+end box
+box "Audio Manager Daemon" #EEEBDC
+ participant IAmCommandReceiver as CR
+ participant AudioManager as AM
+ participant IAmRoutingReceive as RR
+end box
+box "RoutingPlugIn" #EEEBDC
+ participant IAmRoutingSend as RS
+end box
+actor "Audio Domain" as AD
+
+AM -> CS : cbMainConnectionStateChanged(\n CS_CONNECTING)
+activate AM #00FF00
+activate CS #00FF00
+
+CS -> SM : signal("MmainConnectionChanged (\n CS_CONECTING)")
+activate SM #00FF00
+CS - -> AM
+deactivate CS
+SM -> AP : event [mainConnectionChanged (\n CS_CONECTING)]
+activate AP #00FF00
+deactivate SM
+
+deactivate AP
+
+
+note right of RR
+ Audio Manager Policy decides this main
+ connection have to be established.
+ At the beginning of sequence Audio Manager
+ should inform cbMainConnectionStateChanged
+ (CS_CONNECTING) to indicated pre-information
+ of establishment.
+end note
+
+AM -> RS : asyncConnect()
+activate RS #00FF00
+
+RS-> AD : asyncConnect()
+
+activate AD #00FF00
+deactivate AD
+RS - -> AM
+deactivate RS
+deactivate AM
+
+activate AD #00FF00
+AD -> AD : setAudioMode()
+activate AD #00FF00
+deactivate AD
+AD -> RS : ackConnect()
+activate RS #00FF00
+deactivate AD
+
+RS -> RR : ackConnect()
+activate RR #00FF00
+|||
+RR -> AM
+activate AM #00FF00
+
+RR - -> RS
+deactivate RR
+deactivate RS
+
+AM -> RS : asyncConnect()
+activate RS #00FF00
+
+note left of CR
+ Audio Manager have to know that Application
+ certainly start preparing sound route, and wait
+ proceeding until Application return feedback.
+ Main reason is to make sure that entire sound route
+ is established before connection state transite to
+ next phase. Otherwise it is possible for Application to
+ face the problem that ALSA virtual device cannot be
+ opened after connection state is changed.
+end note
+
+RS -> SM : asyncConnect()
+activate SM #00FF00
+SM -> AP : event [asyncConnect]
+activate AP #00FF00
+deactivate AP
+RS - -> AM
+deactivate RS
+SM -> RS : ackConnect()
+activate RS #00FF00
+
+AM -> CS : cbMainConnectionStateChanged(\n CS_SUSPENDED)
+activate CS #00FF00
+|||
+CS - -> AM
+deactivate CS
+deactivate AM
+RS- ->SM
+deactivate RS
+deactivate SM
+@enduml
+ +PlantUML version 1.2017.16beta5(Unknown compile time) +(GPL source distribution) +Java Runtime: Java(TM) SE Runtime Environment +JVM: Java HotSpot(TM) 64-Bit Server VM +Java Version: 1.7.0_25-b15 +Operating System: Linux +Default Encoding: UTF-8 +Language: en +Country: US +--></g></svg>
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