ffmpeg-explorer/public/examples/crop_trim.json

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        "name": "punch.mp4",
        "url": "/punch.mp4",
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      "type": "ffmpeg",
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        "meta": "..C",
        "name": "crop",
        "type": "V->V",
        "description": "Crop the input video.",
        "params": [
          {
            "name": "out_w",
            "type": "string",
            "desc": "set the width crop area expression (default \"iw\")",
            "min": null,
            "max": null,
            "default": "iw",
            "value": "iw/2"
          },
          {
            "name": "w",
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            "max": null,
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            "value": "iw"
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          {
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            "max": null,
            "default": "ih",
            "value": "ih"
          },
          {
            "name": "h",
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            "max": null,
            "default": "ih",
            "value": "ih"
          },
          {
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            "max": null,
            "default": "(in_w-out_w",
            "value": "(in_w-out_w"
          },
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            "name": "y",
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            "desc": "set the y crop area expression (default \"(in_h-out_h)/2\")",
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            "max": null,
            "default": "(in_h-out_h",
            "value": "(in_h-out_h"
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          {
            "name": "keep_aspect",
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            "desc": "keep aspect ratio (default false)",
            "min": null,
            "max": null,
            "default": "false",
            "value": "false"
          },
          {
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            "type": "boolean",
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            "max": null,
            "default": "false",
            "value": "false"
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        "meta": "...",
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        "type": "V->V",
        "description": "Pick one continuous section from the input, drop the rest.",
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            "type": "duration",
            "desc": "Timestamp of the first frame that should be passed (default INT64_MAX)",
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            "max": null,
            "default": "INT64_MAX",
            "value": "1.7"
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            "default": "INT64_MAX",
            "value": "INT64_MAX"
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            "max": null,
            "default": "INT64_MAX",
            "value": "INT64_MAX"
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            "min": null,
            "max": null,
            "default": "INT64_MAX",
            "value": "INT64_MAX"
          },
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            "max": 2000,
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            "value": -2000
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            "value": -2000
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            "max": null,
            "default": "0",
            "value": "0.5"
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            "default": "0",
            "value": "0"
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            "default": -1,
            "value": -1
          },
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            "min": 0,
            "max": 2000,
            "default": 2000,
            "value": 2000
          }
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