Code Editor for app.py

import streamlit as st
from datetime import timedelta

st.title("Video Cutter")
st.write("Upload a video file and specify start/end times to cut it.")

# File uploader
uploaded_file = st.file_uploader(
    "Choose a video file", 
    type=['mp4', 'mov', 'avi', 'mkv', 'webm']
)

if uploaded_file is not None:
    # Display the original video
    st.subheader("Original Video")
    st.video(uploaded_file)
    
    # Create columns for start and end time inputs
    col1, col2 = st.columns(2)
    
    with col1:
        st.subheader("Start Time")
        start_minutes = st.number_input("Minutes", min_value=0, value=0, key="start_min")
        start_seconds = st.number_input("Seconds", min_value=0, max_value=59, value=0, key="start_sec")
    
    with col2:
        st.subheader("End Time")
        end_minutes = st.number_input("Minutes", min_value=0, value=1, key="end_min")
        end_seconds = st.number_input("Seconds", min_value=0, max_value=59, value=0, key="end_sec")
    
    # Calculate total seconds
    start_time_seconds = start_minutes * 60 + start_seconds
    end_time_seconds = end_minutes * 60 + end_seconds
    
    # Validation
    if end_time_seconds <= start_time_seconds:
        st.error("End time must be greater than start time!")
    else:
        # Display the cut video preview
        st.subheader("Video Preview (Cut)")
        st.write(f"Playing from {start_minutes}:{start_seconds:02d} to {end_minutes}:{end_seconds:02d}")
        
        # Show video with start and end times
        st.video(
            uploaded_file, 
            start_time=start_time_seconds,
            end_time=end_time_seconds
        )
        
        # Additional options
        st.subheader("Playback Options")
        col3, col4 = st.columns(2)
        
        with col3:
            loop_video = st.checkbox("Loop playback", value=False)
            muted = st.checkbox("Muted", value=False)
        
        with col4:
            autoplay = st.checkbox("Autoplay", value=False)
        
        # Show final video with all options
        if st.button("Apply Settings"):
            st.subheader("Final Video with Settings")
            st.video(
                uploaded_file,
                start_time=start_time_seconds,
                end_time=end_time_seconds,
                loop=loop_video,
                autoplay=autoplay,
                muted=muted
            )
            
            st.success(f"Video cut applied! Duration: {end_time_seconds - start_time_seconds} seconds")

else:
    st.info("Please upload a video file to get started.")
    
    # Show example with a sample video URL
    st.subheader("Example with Sample Video")
    st.write("Here's an example of how the video cutter works:")
    
    sample_url = "https://sample-videos.com/zip/10/mp4/SampleVideo_1280x720_1mb.mp4"
    
    # Note: Using a sample video URL - in a real scenario, you'd want to use an actual video
    st.write("Sample video (10 seconds, showing first 5 seconds):")
    try:
        st.video(sample_url, start_time=0, end_time=5)
    except:
        st.write("Sample video not available. Please upload your own video file above.")