app.py

import gradio as gr
import subprocess
import tempfile
import os
import time

def process_video(url):
    start_total = time.time()
    
    # Step 1: Download full episode
    full_file = "full_episode.mp4"
    t_download_start = time.time()
    subprocess.run([
        "ffmpeg", "-y", "-i", url,
        "-c", "copy", "-bsf:a", "aac_adtstoasc", full_file
    ], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
    t_download = time.time() - t_download_start
    size_full = os.path.getsize(full_file) / (1024**2)
    
    # Step 2: Watermark full episode
    watermarked_full = "watermarked_full.mp4"
    t_wm_start = time.time()
    filter_graph = "drawtext=text='nt-animes':x=8:y=8:fontcolor=white:fontsize=12"
    subprocess.run([
        "ffmpeg", "-y", "-i", full_file,
        "-vf", filter_graph,
        "-c:v", "libx264", "-preset", "ultrafast", "-crf", "23",
        "-c:a", "copy", watermarked_full
    ], check=True)
    t_wm = time.time() - t_wm_start
    size_wm = os.path.getsize(watermarked_full) / (1024**2)
    
    # Step 3: Trim 1s from 12:00 for quality test
    test_clip = "test_clip_12min.mp4"
    subprocess.run([
        "ffmpeg", "-y", "-i", watermarked_full,
        "-ss", "00:12:00", "-t", "00:00:01",
        "-c", "copy", test_clip
    ], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
    
    # Cleanup full files
    os.remove(full_file)
    os.remove(watermarked_full)
    
    total_time = time.time() - start_total
    
    stats = f"""
Total time: {total_time:.1f}s
Download: {t_download:.1f}s → {size_full:.1f} MB
Watermark full: {t_wm:.1f}s → {size_wm:.1f} MB
Test clip: 1s from 12:00 (for quality/watermark check)
"""
    
    return test_clip, stats

with gr.Blocks() as demo:
    gr.Markdown("# Full Download + Watermark + 12min Test Clip")
    url_in = gr.Textbox(value="https://hlsx3cdn.echovideo.to/naruto/1/master.m3u8", label="m3u8 URL")
    btn = gr.Button("Process")
    video_out = gr.Video(label="1s Test Clip (12:00)")
    info = gr.Textbox(label="Time & Size Stats")
    
    btn.click(process_video, url_in, [video_out, info])

demo.launch()