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ARTICLES

Technical articles

Engineering notes about the practical problems behind Varinomics products: containing failures, moving data safely, and keeping live interfaces responsive. Each article starts with a concrete problem and follows the decisions that shaped the solution.

Qt desktop runtime

  1. C++ - Qt - concurrency10 min read

    Safe Qt Dispatch Without invokeMethod Soup

    Cross-thread Qt calls get hard to read when every call site spells out raw dispatch mechanics. A small named helper surface makes the policy legible again.

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IPC and isolation

  1. video - architecture8 min read

    One Decode Path, Multiple Consumers

    Four consumers of one video stream - preview, detector, recorder, plugin - should not each run their own decoder. What changes when the runtime decodes once and fans the result out, and which failure modes that avoids.

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  2. IPC - fault recovery8 min read

    Crash Containment: Treat Stale IPC State as Toxic

    A worker restart is not enough when the host still holds ring buffers, descriptors, and readers bound to the dead process. Why stale IPC state is toxic rather than merely old, and what a recovery contract has to say.

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  3. plugins - process isolation9 min read

    One Plugin Contract, Two Execution Modes

    How to keep one plugin surface while the host decides, per instance, whether a plugin runs in-process for latency or out-of-process for crash isolation.

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