Create auto_editor.py

utils/auto_editor.py

@@ -0,0 +1,112 @@
+"""
+auto_editor.py
+---------------------------------------
+Automatic video pacing editor
+
+Features:
+- Removes silence automatically
+- Speeds up slow segments
+- Keeps speech natural
+- CPU optimized (HuggingFace FREE tier safe)
+
+Input:
+    input.mp4
+
+Output:
+    edited.mp4
+"""
+
+import subprocess
+import os
+import sys
+from pathlib import Path
+
+INPUT_VIDEO = "input.mp4"
+OUTPUT_VIDEO = "edited.mp4"
+
+
+def run_command(cmd):
+    """Run shell command safely"""
+    try:
+        subprocess.run(
+            cmd,
+            shell=True,
+            check=True
+        )
+    except subprocess.CalledProcessError as e:
+        print("Command failed:", e)
+        sys.exit(1)
+
+
+def check_input():
+    if not os.path.exists(INPUT_VIDEO):
+        print(f"❌ Missing file: {INPUT_VIDEO}")
+        sys.exit(1)
+
+
+def install_auto_editor():
+    """
+    Ensures auto-editor exists.
+    Required because HF containers reset.
+    """
+    print("Installing auto-editor...")
+    run_command("pip install --no-cache-dir auto-editor")
+
+
+def auto_edit():
+    """
+    Main editing step.
+    Removes silence + improves pacing.
+    """
+
+    cmd = f"""
+    auto-editor "{INPUT_VIDEO}"
+        --margin 0.2s
+        --silent-speed 99999
+        --video-speed 1
+        --audio-normalize peak
+        --export mp4
+        --output "{OUTPUT_VIDEO}"
+    """
+
+    print("Running auto-editor...")
+    run_command(cmd)
+
+
+def optimize_output():
+    """
+    Re-encode for social media compatibility.
+    """
+
+    temp = "optimized.mp4"
+
+    cmd = f"""
+    ffmpeg -y -i "{OUTPUT_VIDEO}"
+        -vf scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2
+        -c:v libx264
+        -preset veryfast
+        -crf 23
+        -c:a aac
+        -b:a 128k
+        "{temp}"
+    """
+
+    print("Optimizing output...")
+    run_command(cmd)
+
+    os.replace(temp, OUTPUT_VIDEO)
+
+
+def main():
+    print("===== AUTO EDITOR START =====")
+
+    check_input()
+    install_auto_editor()
+    auto_edit()
+    optimize_output()
+
+    print("✅ Editing complete:", OUTPUT_VIDEO)
+
+
+if __name__ == "__main__":
+    main()