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bg-fetch-after.gv
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bg-fetch-after.gv
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# Generate png with: dot -Tpng -O after.gv
digraph storage_after {
subgraph cluster_0 {
label="Shaka Player";
parse[label="Download and parse manifest (parseManifest)"];
drm[label="Make DRM engine and load keys (createDrmEngine)"]
filter[label="Filter manifest (filterManifest_)"];
segments[label="Download segments (downloadSegments_)"];
store[label="Store manifest (cell.addManifests)"];
parse -> drm;
drm -> filter;
filter -> store;
store -> segments[label="BG Fetch Not Available"];
}
subgraph cluster_1 {
label="Service Worker";
bgSegments[label="Download segments in background (backgroundFetch.fetch)"]
store -> bgSegments[label="BG Fetch Available"];
}
subgraph cluster_2 {
label="Shaka Player Static Methods";
storeSeg[label="Store segments one-by-one (assignStreamToManifest)"]
remove[label="Clean up (cleanStoredManifest)"];
segments -> remove[label="On Fail"];
segments -> storeSeg;
bgSegments -> storeSeg;
bgSegments -> remove[label="On Fail"];
}
}