{"componentChunkName":"component---src-templates-acg-portal-new-template-tsx","path":"/zmwbl4bg2","result":{"data":{"markdownRemark":{"html":"\n
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POST
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\nhttps://qianfan.baidubce.com/beta/video/generations/kling/video-extend\n
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创建一个视频特效任务

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权限说明

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调用本文API，需使用API Key鉴权方式。使用API Key鉴权调用API流程，具体调用流程，请查看认证鉴权。

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请求参数

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Headers 参数
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除公共头域外，无其它特殊头域
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Body 参数
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\n\nvideo_id\n\nstring\n
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视频ID，说明：
\n（1）支持通过文本、图片和视频延长生成的视频的ID，原视频不能超过3分钟
\n（2）基于目前的清理策略、视频生成30天之后会被清理，则无法进行延长

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必选
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\n\nprompt\n\nstring\n
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正向文本提示词，不能超过2500个字符

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\n\nnegative_prompt\n\nstring\n
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负向文本提示词，不能超过2500个字符

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可选
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\n\ncfg_scale\n\nfloat\n
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提示词参考强度，说明：
\n（1）取值范围：[0,1]，数值越大参考强度越大
\n（2）默认值0.5

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\n\ncallback_url\n\nstring\n
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本次任务结果回调通知地址，如果配置，服务端会在任务状态发生变更时主动通知，具体通知的消息schema见“Callback协议”

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请求结构
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POST /beta/video/generations/kling/video-extend HTTP/1.1\nHost: qianfan.baidubce.com\nAuthorization: authorization string\n\n{\n    \"video_id\":\"f1733fea-23a***98bf828\"\n}
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示例代码

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请求示例
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curl 'https://qianfan.baidubce.com/beta/video/generations/kling/video-extend' \\\n--header 'Content-Type: application/json' \\\n--header 'Authorization: Bearer bce-v3/ALTAK-*********/614fb**********' \\\n--data '{\n    \"video_id\":\"f1733fea-23af-4e***bf828\"\n}'
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返回响应

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Headers 参数
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除公共头域外，无其它特殊头域
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返回参数
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\n\ncode\n\ninteger\n
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错误码，具体定义见错误码

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\n\nmessage\n\nstring\n
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错误信息

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可选
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\n\nrequest_id\n\nstring\n
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请求ID，系统生成，用于跟踪请求、排查问题

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可选
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\n\ndata\n\nobject {4}\n
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返回信息

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可选
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\n\n显示子属性\n隐藏子属性\n
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\n\ntask_id\n\nstring\n
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任务ID，系统生成

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可选
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\n\ntask_status\n\nstring\n
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任务状态，说明：
\n· submitted：已提交
\n· processing：处理中
\n· succeed：成功
\n· failed：失败

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可选
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\n\ncreated_at\n\ninteger\n
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任务创建时间，Unix时间戳、单位ms

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可选
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\n\nupdated_at\n\ninteger\n
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任务更新时间，Unix时间戳、单位ms

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响应示例
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HTTP/1.1 200 OK\nContent-Type: application/json;charset=UTF-8\n{\n    \"code\": 0,\n    \"message\": \"\",\n    \"request_id\": \"as-8jhimhhqhy\",\n    \"data\": {\n        \"task_id\": \"67adbb3b5b5ab6927a33478f\",\n        \"task_status\": \"submitted\",\n        \"created_at\": 1739438907194,\n        \"updated_at\": 1739438907194\n    }\n}
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错误码

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如果请求错误，请查看错误码说明。

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