import streamlit as st

# Check for Pygame availability for audio playback
try:
    import pygame
    PYGAME_AVAILABLE = True
except ImportError:
    PYGAME_AVAILABLE = False
    st.warning("Pygame not installed, video will play without sound. To install: pip install pygame")

# Check for MoviePy availability for audio extraction
try:
    from moviepy import VideoFileClip
    MOVIEPY_AVAILABLE = True
except ImportError:
    MOVIEPY_AVAILABLE = False
    if PYGAME_AVAILABLE:
        st.warning("MoviePy not installed, audio extraction from video is disabled. To install: pip install moviepy")

# Check for RealSense SDK availability
try:
    import pyrealsense2 as rs
    REALSENSE_AVAILABLE = True
except ImportError:
    REALSENSE_AVAILABLE = False
    st.warning("Intel RealSense SDK (pyrealsense2) not found. The app will use a standard USB camera.")