Update app.py

app.py

@@ -43,14 +43,16 @@ def render_worker(json_data):
         bg_image = generate_ai_image(keyword, chunk_id)
         output_filename = f"chunk_{chunk_id}.mp4"
         
+        # 3. Render (Efek Zoom + Bakar Subtitle Kuning Besar di tengah)
         # 3. Render (Efek Zoom + Bakar Subtitle Kuning Besar di tengah)
         if bg_image:
             cmd = [
                 "ffmpeg", "-y",
-                "-loop", "1", "-framerate", "25",
+                "-loop", "1", "-framerate", "30", # Menggunakan 30fps standar medsos
                 "-i", bg_image,
                 "-i", audio_file,
-                "-vf", "scale=1080:1920:force_original_aspect_ratio=increase,crop=1080:1920,setsar=1:1,zoompan=z='min(zoom+0.001,1.1)':d=500,subtitles=sub_{chunk_id}.vtt:force_style='FontSize=26,PrimaryColour=&H00FFFF,Alignment=2,MarginV=180'",
+                # PERBAIKAN: Menambahkan huruf 'f' dan menggunakan variabel {vtt_file}
+                "-vf", f"scale=1080:1920:force_original_aspect_ratio=increase,crop=1080:1920,setsar=1:1,zoompan=z='min(zoom+0.001,1.1)':d=500,subtitles={vtt_file}:force_style='FontSize=26,PrimaryColour=&H00FFFF,Alignment=2,MarginV=180'",
                 "-c:v", "libx264", "-c:a", "aac",
                 "-shortest", "-pix_fmt", "yuv420p", output_filename
             ]