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Aman Gupta

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titleconferencedate
An FFmpeg maintainer's deep dive: iOS VideoToolbox and Android MediaCodec integrationDemuxed 20182018-10-17
FFmpeg exposes iOS VideoToolbox and Android MediaCodec so hardware H.264 decoding returns platform-specific frames instead of raw YUV buffers, enabling a…
Talk on
Ruby PanelRedDotRuby 20152015-06-04
Panelists state concrete developments: a tiny experimental stream language toy (200 lines, 3k stars) existed and gained attention, a lightweight implementation…
Panel on
Debugging RubyRubyConf 20102010-11-11
Walks through concrete Linux-first diagnostics: use strace to collect short traces and find sigprocmask 3.5M calls causing ~30% overhead; tcpdump + Wireshark…
Talk on
EventMachineMountainWest RubyConf 20102010-03-11
EventMachine is a Ruby reactor that handles 5–10k concurrent connections in one process by doing nonblocking IO and buffering, with a C++ reactor with…
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Everything you ever wanted to know about threads...LA RubyConf 20102010-02-19
Ruby 1.8’s green threads use setitimer and signal handlers so a single spawned thread leaves a periodic setitimer/sigvtalrm interrupt running forever; tracing…
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