First release

node_modules/@videojs/http-streaming/docs/lhls/current-transmux-and-append-flow.plantuml

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+@startuml
+
+participant SegmentLoader order 1
+participant "media-segment-request" order 2
+participant "videojs-contrib-media-sources" order 3
+participant mux.js order 4
+participant "Native Source Buffer" order 5
+
+SegmentLoader -> "media-segment-request" : mediaSegmentRequest(...)
+
+group Request
+  "media-segment-request" -> SegmentLoader : doneFn(...)
+  note left
+    At end of all requests
+    (key/segment/init segment)
+  end note
+  SegmentLoader -> SegmentLoader : handleSegment(...)
+  note left
+    "Probe" (parse) segment for
+    timing and track information
+  end note
+  SegmentLoader -> "videojs-contrib-media-sources" : append to "fake" source buffer
+  note left
+    Source buffer here is a
+    wrapper around native buffers
+  end note
+  group Transmux
+    "videojs-contrib-media-sources" -> mux.js : postMessage(...setAudioAppendStart...)
+    note left
+      Used for checking for overlap when
+      prefixing audio with silence.
+    end note
+    "videojs-contrib-media-sources" -> mux.js : postMessage(...alignGopsWith...)
+    note left
+      Used for aligning gops when overlapping
+      content (switching renditions) to fix
+      some browser glitching.
+    end note
+
+    "videojs-contrib-media-sources" -> mux.js : postMessage(...push...)
+    note left
+      Pushes bytes into the transmuxer pipeline.
+    end note
+    "videojs-contrib-media-sources" -> mux.js : postMessage(...flush...)
+    "mux.js" -> "videojs-contrib-media-sources" : postMessage(...data...)
+    "videojs-contrib-media-sources" -> "Native Source Buffer" : append
+    "Native Source Buffer" -> "videojs-contrib-media-sources" : //updateend//
+    "videojs-contrib-media-sources" -> SegmentLoader : handleUpdateEnd(...)
+  end
+end
+SegmentLoader -> SegmentLoader : handleUpdateEnd_()
+note left
+  Saves segment timing info
+  and starts next request.
+end note
+
+@enduml