{ "clientId": "81b3b1d6-b1d6-53b1d63c156-83b1d63c156a678-6a678e36", "currentIndex": 0, "tabs": [ { "name": "交互测试", "icon": "icon-robot", "type": "blank", "componentIndex": 3, "storage": { "activeNames": [ 0 ], "messages": [ { "role": "user", "content": "使用 ffmpeg 把视频 (0, 65) 到 (1173, 769) 的位置截取出来,视频的格式是 mov,我希望导出为 mp4", "extraInfo": { "created": 1749111492698, "state": "success", "serverName": "deepseek" } }, { "role": "assistant", "content": "你可以使用 `ffmpeg` 的 `crop` 滤镜来截取视频的指定区域,并将 `.mov` 转换为 `.mp4` 格式。以下是具体的命令:\n\n### 命令解析:\n1. **输入文件**:`input.mov`(替换为你的文件名)\n2. **裁剪参数**:\n - `crop=w:h:x:y`:从坐标 `(x,y)` 开始,截取宽度 `w`、高度 `h` 的区域。\n - 你的需求是从 `(0, 65)` 到 `(1173, 769)`,因此:\n - 宽度 `w = 1173 - 0 = 1173`\n - 高度 `h = 769 - 65 = 704`\n - 起始坐标 `(x,y) = (0, 65)`\n3. **输出格式**:`mp4`(默认使用 H.264 编码)\n\n### 完整命令:\n```bash\nffmpeg -i input.mov -filter:v \"crop=1173:704:0:65\" -c:a copy output.mp4\n```\n\n### 参数说明:\n- `-i input.mov`:指定输入文件。\n- `-filter:v \"crop=1173:704:0:65\"`:视频裁剪滤镜。\n- `-c:a copy`:直接复制音频流(无需重新编码,节省时间)。\n- `output.mp4`:输出文件名。\n\n### 其他选项:\n- 如果需要控制视频质量,可以添加 `-crf` 参数(默认 23,值越小质量越高):\n ```bash\n ffmpeg -i input.mov -filter:v \"crop=1173:704:0:65\" -crf 18 -c:a copy output.mp4\n ```\n- 如果需要硬件加速(如 NVIDIA GPU),可以添加 `-hwaccel cuda` 等参数。\n\n### 注意:\n1. 确保 `ffmpeg` 已安装并添加到系统路径。\n2. 如果视频有旋转/缩放等元数据,可能需要先处理(如用 `-vf \"transpose=1\"` 旋转)。\n\n运行命令后,`output.mp4` 就是你需要的裁剪后视频。", "extraInfo": { "created": 1749111520497, "state": "success", "serverName": "deepseek", "usage": { "prompt_tokens": 42, "completion_tokens": 487, "total_tokens": 529, "prompt_tokens_details": { "cached_tokens": 0 }, "prompt_cache_hit_tokens": 0, "prompt_cache_miss_tokens": 42 } } } ], "settings": { "modelIndex": 0, "enableTools": [ { "name": "k_navigate", "description": "Navigate to a URL", "inputSchema": { "type": "object", "properties": { "url": { "type": "string", "description": "URL to navigate to" }, "launchOptions": { "type": "object", "description": "PuppeteerJS LaunchOptions. Default null. If changed and not null, browser restarts. Example: { headless: true, args: ['--no-sandbox'] }" }, "allowDangerous": { "type": "boolean", "description": "Allow dangerous LaunchOptions that reduce security. When false, dangerous args like --no-sandbox will throw errors. Default false." } }, "required": [ "url" ] }, "enabled": false }, { "name": "k_screenshot", "description": "Take a screenshot of the current page or a specific element", "inputSchema": { "type": "object", "properties": { "name": { "type": "string", "description": "Name for the screenshot" }, "selector": { "type": "string", "description": "CSS selector for element to screenshot" }, "width": { "type": "number", "description": "Width in pixels (default: 800)" }, "height": { "type": "number", "description": "Height in pixels (default: 600)" } }, "required": [ "name" ] }, "enabled": false }, { "name": "k_click", "description": "Click an element on the page", "inputSchema": { "type": "object", "properties": { "selector": { "type": "string", "description": "CSS selector for element to click" } }, "required": [ "selector" ] }, "enabled": false }, { "name": "k_fill", "description": "Fill out an input field", "inputSchema": { "type": "object", "properties": { "selector": { "type": "string", "description": "CSS selector for input field" }, "value": { "type": "string", "description": "Value to fill" } }, "required": [ "selector", "value" ] }, "enabled": false }, { "name": "k_select", "description": "Select an element on the page with Select tag", "inputSchema": { "type": "object", "properties": { "selector": { "type": "string", "description": "CSS selector for element to select" }, "value": { "type": "string", "description": "Value to select" } }, "required": [ "selector", "value" ] }, "enabled": false }, { "name": "k_hover", "description": "Hover an element on the page", "inputSchema": { "type": "object", "properties": { "selector": { "type": "string", "description": "CSS selector for element to hover" } }, "required": [ "selector" ] }, "enabled": false }, { "name": "k_evaluate", "description": "Execute JavaScript in the browser console", "inputSchema": { "type": "object", "properties": { "script": { "type": "string", "description": "JavaScript code to execute" } }, "required": [ "script" ] }, "enabled": false }, { "name": "k_get_full_page_text", "description": "获取页面所有文本内容", "inputSchema": { "type": "object", "properties": {} }, "enabled": false } ], "enableWebSearch": false, "temperature": 0.6, "contextLength": 20, "systemPrompt": "", "parallelToolCalls": true } } } ] }