Simulating livestreams for testing
summary
Brightcove ships an open source tool called Murphy that actually converts HLS VOD master manifests into live streams on the fly, parsing renditions and VTT tracks, hosting segments to avoid CORS, and serving either a sliding window loop or an event/expanding window that turns into VOD. It supports scripted error injection and rendition failover simulation, runs in memory for automated tests, reproduces corrupt-segment and caption scenarios reliably, and materially speeds finding and fixing bugs.
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