Update api/ltx_server.py

api/ltx_server.py

@@ -414,22 +414,19 @@ class VideoService:
         return primeira, segunda
         
     def _concat_mp4s_no_reencode(self, mp4_a: str, mp4_b: str, out_path: str):
-    # Concat demuxer do ffmpeg (sem reencode)
-    import tempfile, subprocess, shlex, os
-    with tempfile.NamedTemporaryFile("w", delete=False, suffix=".txt") as f:
-        f.write(f"file '{os.path.abspath(mp4_a)}'\n")
-        f.write(f"file '{os.path.abspath(mp4_b)}'\n")
-        list_path = f.name
-    cmd = f"ffmpeg -y -f concat -safe 0 -i {list_path} -c copy {out_path}"
-    print(f"[DEBUG] Concat: {cmd}")
-    try:
-        subprocess.check_call(shlex.split(cmd))
-    finally:
-        try: os.remove(list_path)
-        except Exception: pass
+        # Concat demuxer do ffmpeg (sem reencode)
+        with tempfile.NamedTemporaryFile("w", delete=False, suffix=".txt") as f:
+            f.write(f"file '{os.path.abspath(mp4_a)}'\n")
+            f.write(f"file '{os.path.abspath(mp4_b)}'\n")
+            list_path = f.name
+            cmd = f"ffmpeg -y -f concat -safe 0 -i {list_path} -c copy {out_path}"
+            print(f"[DEBUG] Concat: {cmd}")
+        try:
+            subprocess.check_call(shlex.split(cmd))
+        finally:
+            try: os.remove(list_path)
+            except Exception: pass
             
-    
-
     # --- 6. GERAÇÃO ---
     def generate(
         self,