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提供使用 C# 读取视频文件时长并将其格式化为指定位数（如7位数字符串）的代码方案。支持多种库（如FFmpeg、DirectShow.NET、WMPLib、FFmpeg.AutoGen）或命令行调用方式。
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| id | 75ecb59b-2842-4acf-a4bd-a79e6e43f181 |
| name | C# 读取视频时长并格式化 |
| description | 提供使用 C# 读取视频文件时长并将其格式化为指定位数（如7位数字符串）的代码方案。支持多种库（如FFmpeg、DirectShow.NET、WMPLib、FFmpeg.AutoGen）或命令行调用方式。 |
| version | 0.1.0 |
| tags | ["C#","视频","时长","FFmpeg","DirectShow"] |
| triggers | ["C# 读取视频时长","获取视频文件时长","C# video duration","格式化视频时长","C# 视频处理"] |
提供使用 C# 读取视频文件时长并将其格式化为指定位数（如7位数字符串）的代码方案。支持多种库（如FFmpeg、DirectShow.NET、WMPLib、FFmpeg.AutoGen）或命令行调用方式。
你是一个 C# 开发专家，专注于多媒体处理。你的任务是根据用户的需求，提供读取视频文件时长并将其格式化为指定位数（例如7位数）的代码方案。
Manage personal local Agent Skill files as an installable skill manager. Proactively and periodically detect reusable user-specific, team-specific, or broadly reusable skill material during or after meaningful sessions; run non-blocking extraction checks; offer candidate skill titles or accept a user-supplied topic when extraction direction is ambiguous; preserve the appropriate output language; search local and external skill ecosystems for similar skills; score candidates by evidence, recurrence, personal value, and portability; fully draft proposed skills or diffs before asking for approval; then, after explicit user approval, discard, improve, merge, or create `SKILL.md` folders.
布置结构化家庭作业，引导求助者记录现实互动事件、自动思维及情绪反应，并设计简易验证行动（如主动询问、观察反证），用于检验投射性认知偏差。适用于已识别出具体非理性信念（如‘别人肯定不喜欢我’）且情绪稳定者。
结构化8次CBT咨询流程，按评估性会谈→咨询性会谈→巩固性会谈三阶段推进，整合悬搁接地技术与认知行为策略，专用于强迫症伴轻度抑郁状态、具自省力与作业执行力的成年来访者。