创建图生视频任务

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      "prompt": {
        "type": "string",
        "description": "文本提示词\n生成视频的文本描述。\n注：字符长度不能超过 2000 个字符"
      },
      "model": {
        "type": "string",
        "description": "模型名称\n可选值：viduq2 、viduq1、viduq3-turbo、viduq3-pro\n- viduq3-turbo：对比viduq3-pro，生成速度更快\n- viduq3-pro：高效生成优质音视频内容，让视频内容更生动、更形象、更立体，效果更好\n- viduq2：最新模型\n- viduq1：画面清晰，平滑转场，运镜稳定"
      },
      "duration": {
        "type": "number",
        "description": "视频时长参数，默认值依据模型而定：\nviduq3-pro、viduq3-turbo 默认为 5，可选：1 - 16\n- viduq2 : 默认5秒，可选：1-10\n- viduq1 : 默认5秒，可选：5"
      },
      "seed": {
        "type": "string",
        "description": "随机种子\n当默认不传或者传0时，会使用随机数替代\n手动设置则使用设置的种子"
      },
      "resolution": {
        "type": "string",
        "description": "分辨率参数，默认值依据模型和视频时长而定：\n- viduq3-pro 、viduq3-turbo 1-16秒：默认 720p，可选：540p、720p、1080p\n- viduq2(1-10秒)：默认 720p，可选：540p、720p、1080p\n- viduq1(5秒)：默认 1080p，可选：1080p"
      },
      "movement_amplitude": {
        "type": "string",
        "description": "运动幅度\n默认 auto，可选值：auto、small、medium、large\n注：使用q2模型时该参数不生效"
      },
      "payload": {
        "type": "string",
        "description": "透传参数\n不做任何处理，仅数据传输\n注：最多 1048576个字符"
      },
      "off_peak": {
        "type": "string",
        "description": "错峰模式，默认为：false，可选值：\n- true：错峰生成视频；\n- false：即时生成视频；\n注1：错峰模式消耗的积分更低，具体请查看产品定价\n注2：错峰模式下提交的任务，会在48小时内生成，未能完成的任务会被自动取消，并返还该任务的积分；\n注3：您也可以手动取消错峰任务"
      },
      "watermark": {
        "type": "string",
        "description": "是否添加水印\n- true：添加水印；\n- false：不添加水印；\n注1：目前水印内容为固定，内容由AI生成，默认不加\n注2：您可以通过watermarked_url参数查询获取带水印的视频内容，详情见查询任务接口"
      },
      "wm_position": {
        "type": "string",
        "description": "水印位置，表示水印出现在图片的位置，可选项为：\n1：左上角\n2：右上角\n3：右下角\n4：左下角\n默认为：3"
      },
      "wm_url": {
        "type": "string",
        "description": "水印内容，此处为图片URL\n不传时，使用默认水印：内容由AI生成"
      },
      "meta_data": {
        "type": "string",
        "description": "元数据标识，json格式字符串，透传字段，您可以 自定义格式 或使用 示例格式 ，示例如下：\n{\n\"Label\": \"your_label\",\"ContentProducer\": \"yourcontentproducer\",\"ContentPropagator\": \"your_content_propagator\",\"ProduceID\": \"yourproductid\", \"PropagateID\": \"your_propagate_id\",\"ReservedCode1\": \"yourreservedcode1\", \"ReservedCode2\": \"your_reserved_code2\"\n}\n该参数为空时，默认使用vidu生成的元数据标识"
      },
      "callback_url": {
        "type": "string",
        "description": "Callback 协议\n需要您在创建任务时主动设置 callback_url，请求方法为 POST，当视频生成任务有状态变化时，Vidu 将向此地址发送包含任务最新状态的回调请求。回调请求内容结构与查询任务API的返回体一致\n回调返回的\"status\"包括以下状态：\n- processing 任务处理中\n- success 任务完成（如发送失败，回调三次）\n- failed 任务失败（如发送失败，回调三次）\nVidu采用回调签名算法进行认证，详情见：回调签名算法"
      },
      "images": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "description": "首帧图像\n模型将以此参数中传入的图片为首帧画面来生成视频。\n注1：支持传入图片 Base64 编码或图片URL（确保可访问）；\n注2：只支持输入 1 张图；\n注3：图片支持 png、jpeg、jpg、webp格式；\n注4：图片比例需要小于 1:4 或者 4:1 ；\n注5：图片大小不超过 50 MB；\n注6：请注意，http请求的post body不超过20MB，且编码必须包含适当的内容类型字符串，例如：\n\ndata:image/png;base64,{base64_encode}"
      },
      "audio": {
        "type": "string",
        "description": "是否使用音视频直出能力，默认为false，枚举值为：\n- false：不需要音视频直出，输出静音视频\n- true：需要音视频直出，输出带台词以及背景音的视频\n注1：该参数为true时，voice_id参数才生效\n注2：当model 为q3-pro或q3-turbo 时，该参数默认值为true\n注2：该参数为true时，不支持错峰模式"
      },
      "voice_id": {
        "type": "string",
        "description": "音色id\n用来决定视频中的声音音色，为空时系统会自动推荐，可选枚举值参考列表：新音色列表：https://shengshu.feishu.cn/sheets/EgFvs6DShhiEBStmjzccr5gonOg"
      },
      "is_rec": {
        "type": "string",
        "description": "是否使用推荐提示词\n- true：是，由系统自动推荐提示词，并使用提示词内容生成视频，推荐提示词数量=1\n- false：否，根据输入的prompt生成视频\n注意：启用推荐提示词后，每个任务多消耗10积分"
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      "images"
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      "movement_amplitude",
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      "off_peak",
      "watermark",
      "wm_position",
      "wm_url",
      "meta_data",
      "callback_url"
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  },
  "required": false,
  "mediaType": "",
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      "value": "{\r\n    \"model\": \"viduq2-pro\",\r\n    \"images\": [\r\n        \"https://imageproxy.zhongzhuan.chat/api/proxy/image/6fb238cc01649cb7580fbb2dd58f3d6d.png\"\r\n    ],\r\n    \"prompt\": \"镜头缓慢推进，展现画面中的细节，背景逐渐虚化\",\r\n    \"duration\": 2,\r\n    \"resolution\": \"1080p\",\r\n    \"aspect_ratio\": \"16:9\",\r\n    \"seed\": 12345,\r\n    \"movement_amplitude\": \"standard\",\r\n    \"bgm\": false,\r\n    \"audio\": false,\r\n    \"off_peak\": false,\r\n    \"watermark\": false,\r\n    // \"payload\": \"custom-tracking-id-123\",\r\n    // \"client_request_id\": \"unique-request-id-456\"\r\n}"
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