Sequence Diagram For Loading an HLS stream (Error connecting to remote server) for http://www.websequencediagrams.com/

SequenceDiagramForLoadingAnHLSStreamErrorConnectingToRemoteServer.wsd

<div class="wsd" wsd_style="vs2010"><pre>

# Errors connecting to remote server
title Sequence Diagram For Loading an HLS stream (Error connecting to remote server)
 
participant "Higher Layer (HTML page, JS)" as HigherLayer
participant "HTMLMediaElement" as MediaPlayer
participant "Video pipeline(Remote server, Demux, Decoder)" as VideoPipeline
 
note right of MediaPlayer
networkState: NETWORK_EMPTY
readyState: HAVE_NOTHING
end note
 
HigherLayer->MediaPlayer: load()
 
note right of MediaPlayer
networkState: NETWORK_NO_SOURCE
end note
 
MediaPlayer->VideoPipeline: Can you fetch the media data from the remote server?
 
note right of MediaPlayer
networkState: NETWORK_LOADING
end note
 
MediaPlayer->HigherLayer: loadstart
 
note right of VideoPipeline
# For HLS specification see http://tools.ietf.org/html/draft-pantos-http-live-streaming-11
1. Cannot connect to remote server because of the given URL cannot be resolved, or
2. The media resource failed to load.
end note
 
VideoPipeline->MediaPlayer: Error connecting to remote server.
 
note right of MediaPlayer
networkState: NETWORK_NO_SOURCE
error: MEDIA_ERR_SRC_NOT_SUPPORTED
end note
 
MediaPlayer->HigherLayer: error

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