Update api/ltx_server.py

api/ltx_server.py

@@ -516,10 +516,9 @@ class VideoService:
             # --- FADE_FIM ---
             if i < total_partes - 1:
                 video_fade_fim = os.path.join(pasta, f"{base}_fade_fim_{i}.mp4")
-                cmd_fim = (
-                    f'ffmpeg -y -hide_banner -loglevel error -i "{video_clone}" '
-                    f'-vf "trim=start_frame=nb_frames-{poda},setpts=PTS-STARTPTS" -an "{video_fade_fim}"'
-                )
+                totalframes = self.gettotalframes(videoclone)
+                startframe = totalframes - poda
+                cmd_fim = f'ffmpeg -y -hide_banner -loglevel error -i "{videoclone}" -vf "trim=start_frame={startframe},setpts=PTS-STARTPTS" -an "{videofadefim}"'
                 subprocess.run(cmd_fim, shell=True, check=True)
                 video_anterior_fade_fim = video_fade_fim
                 print(f"[DEBUG] Fade_fim preparado -> {video_fade_fim}")