{
  "captured_at": "2026-10-29T12:18:21.139Z",
  "viewer_revision": "ec2b0ccc61d7459d4d09e92849966514bf26bc87",
  "viewer_source": "https://github.com/amagimedia/avplumber/tree/ec2b0ccc61d7459d4d09e92849966514bf26bc87/tools/web-ui",
  "workload": {
    "inputs": 192,
    "nvdec_video_sources": 105,
    "browser_sources_including_keys": 40,
    "raw_nv12_sources": 47,
    "scenes": 256,
    "encoded_outputs": 24,
    "canvas": {
      "width": 1920,
      "height": 1080,
      "fps": 30
    },
    "gpu": "NVIDIA L4"
  },
  "topology": {
    "nodes": 999,
    "connected_queues": 5378,
    "reported_queues": 5379
  },
  "telemetry": {
    "sample_count": 32,
    "sample_span_seconds": 31.001,
    "queries": [
      "nodes.json",
      "queues.json",
      "mixer.status mixer",
      "sync_groups.json",
      "correction_groups.json"
    ]
  },
  "render": {
    "width": 3200,
    "height": 1800,
    "css_width": 1600,
    "css_height": 900,
    "device_scale_factor": 2,
    "fps": 30,
    "frames": 720,
    "duration_seconds": 24,
    "method": "Actual unmodified viewer rendered in Chrome with captured topology and telemetry replayed on a fixed animation timeline. Browser UI interactions select zoom levels and inspect a DMA-BUF-to-CUDA node. No synthesized engine statistics."
  },
  "chapters": [
    {
      "seconds": 0,
      "title": "Overview"
    },
    {
      "seconds": 5,
      "title": "Groups"
    },
    {
      "seconds": 9,
      "title": "Nodes"
    },
    {
      "seconds": 14,
      "title": "Details"
    },
    {
      "seconds": 17,
      "title": "Full parameters"
    },
    {
      "seconds": 20.5,
      "title": "Return to overview"
    }
  ],
  "screenshots": [
    {
      "name": "webgl-192-overview-20261029.png",
      "seconds": 1.5
    },
    {
      "name": "webgl-192-groups-20261029.png",
      "seconds": 7.5
    },
    {
      "name": "webgl-192-nodes-20261029.png",
      "seconds": 11.5
    },
    {
      "name": "webgl-192-details-20261029.png",
      "seconds": 15.5
    }
  ],
  "scope": "Documentation UI replay of a real running graph. Not a live viewer, mixer video output recording, new performance benchmark, or replacement for historical capacity measurements.",
  "validation": {
    "decoded_frames": 720,
    "presentation_timestamps": "Continuous 1/30-second steps",
    "browser_errors": 0,
    "screenshots": "Four PNGs, each 3200\u00d71800",
    "page_checks": [
      "Four screenshot views load",
      "Video chapter seeking and playback",
      "No horizontal overflow at 390 CSS pixels"
    ]
  }
}