{
  "name": "media.listVariants \u2014 an HLS master playlist",
  "description": "The daemon parses the manifest; the extension never does. Keeping that logic in one language is the whole point.",
  "request": {
    "jsonrpc": "2.0",
    "id": 61,
    "method": "media.listVariants",
    "params": {
      "manifestUrl": "https://cdn.example.org/v/master.m3u8",
      "headers": {
        "Referer": "https://example.org/watch/42"
      }
    }
  },
  "response": {
    "jsonrpc": "2.0",
    "id": 61,
    "result": {
      "variants": [
        {
          "variantId": "v-1080p",
          "kind": "video",
          "resolution": "1920x1080",
          "bitrateBps": 5000000,
          "codec": "avc1.640028",
          "container": "ts",
          "frameRate": 25.0,
          "language": null,
          "sizeEstimate": 1875000000,
          "drm": false
        },
        {
          "variantId": "v-720p",
          "kind": "video",
          "resolution": "1280x720",
          "bitrateBps": 2800000,
          "codec": "avc1.4d401f",
          "container": "ts",
          "frameRate": 25.0,
          "language": null,
          "sizeEstimate": 1050000000,
          "drm": false
        },
        {
          "variantId": "a-en",
          "kind": "audio",
          "resolution": null,
          "bitrateBps": 128000,
          "codec": "mp4a.40.2",
          "container": "ts",
          "frameRate": null,
          "language": "en",
          "sizeEstimate": 48000000,
          "drm": false
        }
      ],
      "manifestType": "hls",
      "durationSec": 3000.0,
      "title": "Episode 42",
      "drmProtected": false
    }
  },
  "assertions": [
    "sizeEstimate is bitrate x duration and must be labelled as approximate in the UI",
    "a DRM-protected variant is reported with drm true and greyed out, never attempted"
  ]
}