{
  "schemaVersion": "1.0",
  "title": "Full Video: two-language editorial rendering demonstration",
  "createdAt": "2026-09-23T23:52:22.716Z",
  "durationSeconds": 11.867,
  "width": 1280,
  "height": 720,
  "byteSize": 1043069,
  "sha256": "eb1dd81f9f80d42b2b88288d1eed980b55b33d0511d02a3fe9ff8c0bd5eceed7",
  "renderSeconds": 25.961,
  "accessPath": "Isolated execution of the production Full Video renderer with network disabled, using only already-public first-party gallery inputs.",
  "newProviderCalls": 0,
  "newCreditsCharged": 0,
  "sourceGenerationCredits": "Historical input charges are recorded on the original gallery pages; not included in this render-only run.",
  "endToEndGenerationSeconds": null,
  "settings": {
    "aspectRatio": "16:9",
    "voiceId": "",
    "voiceKind": "builtin",
    "speed": 1,
    "subtitlePreset": "classic",
    "subtitleSize": 34,
    "subtitlePosition": "bottom",
    "subtitleShadow": true,
    "subtitleShadowStrength": 6,
    "subtitleOutline": 2,
    "subtitleOutlineColor": "#000000",
    "musicPrompt": "Cinematic instrumental soundtrack without vocals, accompanying a narrated story.",
    "musicVolume": 8,
    "musicEnabled": true,
    "ducking": true,
    "resolution": "720p",
    "transition": "fade"
  },
  "script": [
    {
      "chapter": "English narration",
      "narration": "Hello, this is a real English voice test generated by Donatello.",
      "prompt": "Previously published blue ceramic vase. Same original still, different camera motion.",
      "motion": "zoom_in"
    },
    {
      "chapter": "Spanish narration",
      "narration": "Hola, esta es una prueba real de voz en espa\u00f1ol generada por Donatello.",
      "prompt": "Previously published blue ceramic vase. Same original still, different camera motion.",
      "motion": "pan_left"
    }
  ],
  "inputs": [
    {
      "kind": "image",
      "slug": "blue-ceramic-vase",
      "prompt": "A small blue ceramic vase on a clean white table, soft daylight, no people, production safety QA",
      "url": "https://donatello.studio/gallery/image/blue-ceramic-vase.webp",
      "evidenceUrl": "https://donatello.studio/gallery/blue-ceramic-vase",
      "sha256": "0089dad7f8cb5eaee9e90c797d28e7a0919214602311b5a13af649253fb685bc",
      "byteSize": 41080,
      "mimeType": "image/webp"
    },
    {
      "kind": "voice",
      "slug": "english-text-to-speech",
      "prompt": "Hello, this is a real English voice test generated by Donatello.",
      "url": "https://donatello.studio/gallery/voice/english-tts.mp3",
      "evidenceUrl": "https://donatello.studio/gallery/english-text-to-speech",
      "sha256": "57864f113bda4558e8bf50db0becd493b4d5830515efbcdec60a92eae252479f",
      "byteSize": 82754,
      "mimeType": "audio/mpeg",
      "durationSeconds": 5.172
    },
    {
      "kind": "voice",
      "slug": "spanish-text-to-speech",
      "prompt": "Hola, esta es una prueba real de voz en espa\u00f1ol generada por Donatello.",
      "url": "https://donatello.studio/gallery/voice/spanish-tts.mp3",
      "evidenceUrl": "https://donatello.studio/gallery/spanish-text-to-speech",
      "sha256": "8e91b0296be7e855976fb2d0931bb943314ba16af5ce30a83596587c3ba59638",
      "byteSize": 74395,
      "mimeType": "audio/mpeg",
      "durationSeconds": 4.65
    },
    {
      "kind": "music",
      "slug": "cinematic-piano-and-violin",
      "prompt": "Create a deeply emotional and motivational cinematic soundtrack using only piano and solo violin. Start with a very intimate, delicate piano melody: slow, spacious, reflective and slightly melancholic, with natural pauses and a strong sense of emotion. Gradually introduce a warm, expressive solo violin with long sustained notes and subtle melodic responses to the piano. Increase the intensity naturally through stronger piano dynamics, richer chords, higher-register melodies and a more passionate violin performance. Build toward an emotional climax, then reduce the intensity and finish with a calm and hopeful resolution. No drums, percussion, orchestra, cello, pads, synths, bass, vocals, choir or sound effects. Avoid repetitive loops; the melody should continuously evolve and tell a story.",
      "url": "https://donatello.studio/gallery/music/cinematic-piano-violin.mp3",
      "evidenceUrl": "https://donatello.studio/gallery/cinematic-piano-and-violin",
      "sha256": "d2d76521d08c66040decdc748db6b4783154d532eeed433c07540f3ef5f5ad16",
      "byteSize": 553008,
      "mimeType": "audio/mpeg",
      "durationSeconds": 30.024
    }
  ],
  "stages": [
    {
      "percent": 9,
      "detail": "Preparing shot 1 of 2",
      "seconds": 0.237
    },
    {
      "percent": 15,
      "detail": "Preparing shot 2 of 2",
      "seconds": 0.31
    },
    {
      "percent": 53,
      "detail": "Rendering shot 1 of 2",
      "seconds": 20.048
    },
    {
      "percent": 88,
      "detail": "Rendering shot 2 of 2",
      "seconds": 25.448
    },
    {
      "percent": 92,
      "detail": "Preparing your asset package",
      "seconds": 25.921
    }
  ],
  "limitations": "This short render-only demonstration proves assembly, camera motion, subtitles, narration, music and export with reused editorial assets. It is not a new prompt-to-video run, a Relax wait-time measurement, a quality benchmark or a 20-minute end-to-end generation test.",
  "rendererSha256": "3f9f7a590f1ed1b25b22c3145716713a2aa7f0c64016efb3f80c73193da43218",
  "rendererImage": "donatello_story_video:20260924-story-20min"
}