llm_engineering/application/rag/video_processor.py

import subprocess
from pathlib import Path

class VideoClipper:
    @staticmethod
    def create_clip(video_path: Path, start: float, end: float, output_path: Path):
        # Try to find ffmpeg in common locations
        ffmpeg_cmd = None
        for cmd in ["ffmpeg", "/usr/local/bin/ffmpeg", "/usr/bin/ffmpeg", "/opt/homebrew/bin/ffmpeg"]:
            try:
                # Check if the command exists
                subprocess.run([cmd, "-version"], capture_output=True, check=True)
                ffmpeg_cmd = cmd
                break
            except (subprocess.SubprocessError, FileNotFoundError):
                continue
        
        if not ffmpeg_cmd:
            raise FileNotFoundError("ffmpeg not found in PATH. Please install ffmpeg to create video clips.")
            
        cmd = [
            ffmpeg_cmd,
            "-ss", str(start),
            "-to", str(end),
            "-i", str(video_path),
            "-c", "copy",
            str(output_path)
        ]
        
        try:
            subprocess.run(cmd, check=True, capture_output=True)
        except subprocess.CalledProcessError as e:
            print("Error creating clip: {}".format(e))
            if hasattr(e, 'stderr') and e.stderr:
                print("FFmpeg error: {}".format(e.stderr))
            raise