{
  "schemaVersion": 1,
  "sourceId": "compress-large-video-windows",
  "locale": "ja",
  "verifiedDate": "2026-10-12",
  "installedApp": {
    "version": "1.0.10.0",
    "platform": "Windows x64",
    "distribution": "Microsoft Store",
    "versionObservedIn": "Settings About"
  },
  "screenshotApp": {
    "version": "1.0.11.0",
    "platform": "Windows x64",
    "configuration": "Debug, unpackaged",
    "languageArgument": "ja",
    "method": "Fresh actual app captures through computer-use; no translated overlays. Separate fresh compression run on the same synthetic source."
  },
  "workflow": {
    "mode": "Compress",
    "strategy": "Target size",
    "outcome": "Custom",
    "targetValue": 18,
    "targetUnit": "MB",
    "targetBytes": 18874368,
    "shareSafely": false
  },
  "fixture": {
    "description": "Existing synthetic 12-second sample looped twice by stream copy; no personal footage.",
    "sourceSample": "/blog-media/compress-large-video-windows/samples/large-project-video.mp4",
    "reproduceCommand": "ffmpeg -stream_loop 1 -i large-project-video.mp4 -c copy refresh-video.mp4",
    "sha256Before": "6cfdd3c1ec2646a4f61d6e9926155dde59a812347b2882c2a6a8921e516fe84d",
    "sha256After": "6cfdd3c1ec2646a4f61d6e9926155dde59a812347b2882c2a6a8921e516fe84d",
    "programs": [],
    "stream_groups": [],
    "streams": [
      {
        "codec_name": "h264",
        "codec_type": "video",
        "width": 1920,
        "height": 1080,
        "r_frame_rate": "30/1"
      },
      {
        "codec_name": "aac",
        "codec_type": "audio",
        "sample_rate": "48000",
        "channels": 1,
        "r_frame_rate": "0/0"
      }
    ],
    "format": {
      "duration": "24.021354",
      "size": "36359845"
    }
  },
  "storeOutput": {
    "sha256": "7eea2672152f0d8117aa05c251f8e7132a39f8adee6c800e9ea178c294f561be",
    "programs": [],
    "stream_groups": [],
    "streams": [
      {
        "codec_name": "h264",
        "codec_type": "video",
        "width": 1920,
        "height": 1080,
        "r_frame_rate": "30/1"
      },
      {
        "codec_name": "aac",
        "codec_type": "audio",
        "sample_rate": "48000",
        "channels": 1,
        "r_frame_rate": "0/0"
      }
    ],
    "format": {
      "duration": "24.033333",
      "size": "14370495"
    }
  },
  "captureOutput": {
    "sha256": "7eea2672152f0d8117aa05c251f8e7132a39f8adee6c800e9ea178c294f561be",
    "sourceSha256After": "6cfdd3c1ec2646a4f61d6e9926155dde59a812347b2882c2a6a8921e516fe84d",
    "programs": [],
    "stream_groups": [],
    "streams": [
      {
        "codec_name": "h264",
        "codec_type": "video",
        "width": 1920,
        "height": 1080,
        "r_frame_rate": "30/1"
      },
      {
        "codec_name": "aac",
        "codec_type": "audio",
        "sample_rate": "48000",
        "channels": 1,
        "r_frame_rate": "0/0"
      }
    ],
    "format": {
      "duration": "24.033333",
      "size": "14370495"
    }
  },
  "result": {
    "sourceDisplay": "34.7 MB",
    "outputDisplay": "13.7 MB",
    "savedPercent": 60.48,
    "sourceUnchanged": true,
    "belowTarget": true,
    "belowIllustrativeDecimal20MB": true,
    "storeAndCaptureOutputsByteIdentical": true,
    "fullDecode": {
      "bothOutputs": true,
      "exitCode": 0,
      "errors": []
    },
    "visualReview": "Source and output sampled across the synthetic moving pattern; colors, diagonal lines and checkerboard remain recognizable. Not a real-footage or small-text quality guarantee.",
    "browserPlayback": {
      "browser": "Microsoft Edge, headless",
      "muted": true,
      "ended": true,
      "duration": 24.033333,
      "width": 1920,
      "height": 1080,
      "error": null
    }
  },
  "screenshots": [
    {
      "path": "screenshots/ja/refresh-01-ready.jpg",
      "bytes": 78133,
      "sha256": "a5e9f9c74e05b71fe7406487e5bd198f199b7578594e0f50fa90b5f06adbdf67",
      "width": 1139,
      "height": 858
    },
    {
      "path": "screenshots/ja/refresh-02-outcomes.jpg",
      "bytes": 80414,
      "sha256": "835ff87292d0cd67866679e10303034a59534a555972e40dd7d87b58a069dfcf",
      "width": 1139,
      "height": 858
    },
    {
      "path": "screenshots/ja/refresh-03-target.jpg",
      "bytes": 83691,
      "sha256": "ccdabcb53b95d7d4578eb71ad0ce61df7089e895427cba6a00ec3e1f98adb44f",
      "width": 1139,
      "height": 858
    },
    {
      "path": "screenshots/ja/refresh-04-completed.jpg",
      "bytes": 65633,
      "sha256": "d2d94c37a0871e03515946a4e9a472dc584429cba7a0e7aea38fe9cd417ef459",
      "width": 1139,
      "height": 858
    }
  ],
  "limitations": [
    "Synthetic high-bitrate sample; results are not a promised reduction or resolution guarantee.",
    "Store run and Japanese capture run use different versions, identified separately.",
    "No upload to any sharing service. No claim of all-player compatibility or subjective audio listening."
  ]
}