Video Keyframe Analyzer

Extract scene change frames from screen recordings and generate Excel reports with timestamps and thumbnails.

Capabilities

• Scene change detection using FFmpeg scdet filter
• Keyframe extraction at precise timestamps
• Inter-frame time consumption calculation
• Excel report generation with embedded thumbnails
• Automatic stable tail frame detection

Usage

When users ask about analyzing video keyframes, screen recordings, or video scene changes, invoke the video-keyframe-analyzer skill.

Implementation

The actual implementation is in video_keyframe_analyzer.py located at the project root.

Examples

• "分析这个录屏视频的关键帧"
• "提取视频场景切换时间戳"
• "计算帧间耗时并生成Excel"
• "分析App操作录屏的响应耗时"

Dependencies

• FFmpeg / ffprobe (must be installed)
• Python 3.7+
• openpyxl
• pillow