{
  "measuredAt": "2026-09-10T04:17:25.7527475Z",
  "runtime": "native FFmpeg, not ffmpeg.wasm",
  "ffmpegVersion": "ffmpeg version 8.1-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
  "fixture": "Synthetic 1-second test pattern; two sine-wave audio tracks; subtitle, chapter, global and per-track synthetic tags. No personal media.",
  "cases": [
    {
      "mode": "all",
      "container": "mkv",
      "audioTracks": 2,
      "subtitleTracks": 0,
      "chapters": 0,
      "knownFixtureTagsRemaining": false,
      "unknownFixtureTagRemaining": false,
      "decodePassed": true
    },
    {
      "mode": "personal",
      "container": "mkv",
      "audioTracks": 2,
      "subtitleTracks": 0,
      "chapters": 0,
      "knownFixtureTagsRemaining": false,
      "unknownFixtureTagRemaining": true,
      "decodePassed": true
    },
    {
      "mode": "all",
      "container": "mp4",
      "audioTracks": 2,
      "subtitleTracks": 0,
      "chapters": 0,
      "knownFixtureTagsRemaining": false,
      "unknownFixtureTagRemaining": false,
      "decodePassed": true
    },
    {
      "mode": "personal",
      "container": "mp4",
      "audioTracks": 2,
      "subtitleTracks": 0,
      "chapters": 0,
      "knownFixtureTagsRemaining": false,
      "unknownFixtureTagRemaining": false,
      "decodePassed": true
    }
  ],
  "limitations": "Only these fixtures and tags were checked. No real phone files, proprietary metadata, codec bitstreams or browser runtime were certified."
}