detect_film_start.py

def detect_film_start(self, video_file: types.File) -> Dict[str, float]:
    """Detect when the main film content begins."""
    
    prompt = """Analyze this video clip from the beginning of a film. 
    Identify the exact timestamp (in MM:SS format) where the first scene 
    of the main, continuous narrative body of the film begins. 
    
    This point must occur after the full conclusion of ALL of the following:
    - All studio logos and distributor cards
    - The main title card of the film itself  
    - All subsequent production company cards
    
    I'm looking for the moment the film transitions from opening textual 
    and logo elements into the primary storyline."""
    
    response = self.client.models.generate_content(
        model="gemini-2.5-pro-preview-05-06",
        contents=[video_content, prompt],
        config=types.GenerateContentConfig(response_mime_type="text/plain")
    )